10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2011

or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                                  to                                 

Commission file number: 1-33615

Concho Resources Inc.

(Exact name of registrant as specified in its charter)

Delaware	76-0818600
(State or other jurisdiction	(I.R.S. Employer
of incorporation or organization)	Identification No.)
550 West Texas Avenue, Suite 100
Midland, Texas	79701
(Address of principal executive offices)	(Zip code)

(432) 683-7443

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes  þ    No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).   Yes  þ    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	þ	Accelerated filer    ¨
Non-accelerated filer	¨  (Do not check if a smaller reporting company)	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ¨    No þ

Number of shares of the registrant’s common stock outstanding at August 1, 2011: 103,663,854 shares

TABLE OF CONTENTS

PART I – FINANCIAL INFORMATION	iii
Item 1. Consolidated Financial Statements (Unaudited)	iii
Item  2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	43
Item 3. Quantitative and Qualitative Disclosures About Market Risk	64
Item 4. Controls and Procedures	65
PART II – OTHER INFORMATION	66
Item 1. Legal Proceedings	66
Item 1A. Risk Factors	66
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	66
Item 6. Exhibits	67

i

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

Various statements contained in or incorporated by reference into this report that express a belief, expectation, or intention, or that are not statements of historical fact, are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 (the “Securities Act”) and Section 21E of the Securities Exchange Act of 1934 (the “Exchange Act”). These forward-looking statements include statements, projections and estimates concerning our operations, performance, business strategy, oil and natural gas reserves, drilling program capital expenditures, liquidity and capital resources, the timing and success of specific projects, outcomes and effects of litigation, claims and disputes, derivative activities and potential financing. Forward-looking statements are generally accompanied by words such as “estimate,” “project,” “predict,” “believe,” “expect,” “anticipate,” “potential,” “could,” “may,” “foresee,” “plan,” “goal” or other words that convey the uncertainty of future events or outcomes. Forward-looking statements are not guarantees of performance. We have based these forward-looking statements on our current expectations and assumptions about future events. These statements are based on certain assumptions and analyses made by us in light of our experience and our perception of historical trends, current conditions and expected future developments as well as other factors we believe are appropriate under the circumstances. Actual results may differ materially from those implied or expressed by the forward-looking statements. These forward-looking statements speak only as of the date of this report, or if earlier, as of the date they were made. We disclaim any obligation to update or revise these statements unless required by securities law, and we caution you not to rely on them unduly. While our management considers these expectations and assumptions to be reasonable, they are inherently subject to significant business, economic, competitive, regulatory and other risks, contingencies and uncertainties relating to, among other matters, the risks discussed in our Annual Report on Form 10-K for the year ended December 31, 2010, and in this report as well as those factors summarized below:

• sustained or further declines in the prices we receive for our oil and natural gas;

• uncertainties about the estimated quantities of oil and natural gas reserves;

• drilling and operating risks, including risks related to properties where we do not serve as the operator;

• the adequacy of our capital resources and liquidity including, but not limited to, access to additional borrowing capacity under our credit facility;

• the effects of government regulation, permitting and other legal requirements, including new legislation or regulation of hydraulic fracturing;

• difficult and adverse conditions in the domestic and global capital and credit markets;

• risks related to the concentration of our operations in the Permian Basin of Southeast New Mexico and West Texas;

• potential financial losses or earnings reductions from our commodity price management program;

• shortages of oilfield equipment, supplies, services and qualified personnel and increased costs for such equipment, supplies, services and personnel;

• risks and liabilities associated with acquired properties or businesses, including the assets acquired in connection with each of our recent acquisitions;

• uncertainties about our ability to successfully execute our business and financial plans and strategies;

• uncertainties about our ability to replace reserves and economically develop our current reserves;

• general economic and business conditions, either internationally or domestically or in the jurisdictions in which we operate;

• competition in the oil and natural gas industry; and

• uncertainty concerning our assumed or possible future results of operations.

Reserve engineering is a process of estimating underground accumulations of oil and natural gas that cannot be measured in an exact way. The accuracy of any reserve estimate depends on the quality of available data, the interpretation of such data and price and cost assumptions made by our reserve engineers. In addition, the results of drilling, testing and production activities may justify revisions of estimates that were made previously. If significant, such revisions would change the schedule of any further production and development drilling. Accordingly, reserve estimates may differ from the quantities of oil and natural gas that are ultimately recovered.

ii

PART I – FINANCIAL INFORMATION

Item 1. Consolidated Financial Statements (Unaudited)

Consolidated Balance Sheets at June 30, 2011 and December 31, 2010	1
Consolidated Statements of Operations for the Three and Six Months Ended June 30, 2011 and 2010	2
Consolidated Statement of Stockholders’ Equity for the Six Months Ended June 30, 2011	3
Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2011 and 2010	4
Condensed Notes to Consolidated Financial Statements	5

iii

Concho Resources Inc.

Consolidated Balance Sheets

Unaudited

(in thousands, except share and per share data)	June 30, 2011		December 31, 2010
Assets
Current assets:
Cash and cash equivalents	$	397	$	384
Accounts receivable, net of allowance for doubtful accounts:
Oil and natural gas		216,128		136,471
Joint operations and other		170,969		131,912
Related parties		156		169
Derivative instruments		4,958		6,855
Deferred income taxes		28,962		42,716
Prepaid costs and other		16,982		12,126
Total current assets		438,552		330,633
Property and equipment, at cost:
Oil and natural gas properties, successful efforts method		6,280,554		5,616,249
Accumulated depletion and depreciation		(881,607)		(730,509)
Total oil and natural gas properties, net		5,398,947		4,885,740
Other property and equipment, net		50,340		28,047
Total property and equipment, net		5,449,287		4,913,787
Deferred loan costs, net		70,941		52,828
Intangible asset - operating rights, net		34,199		34,973
Inventory		38,076		28,342
Noncurrent derivative instruments		512		2,233
Other assets		4,576		5,698
Total assets	$	6,036,143	$	5,368,494
Liabilities and Stockholders’ Equity
Current liabilities:
Accounts payable:
Trade	$	11,118	$	39,943
Related parties		534		1,197
Other current liabilities:
Bank overdrafts		30,357		12,314
Revenue payable		123,570		57,406
Accrued and prepaid drilling costs		296,681		215,079
Derivative instruments		74,399		97,775
Other current liabilities		100,450		83,275
Total current liabilities		637,109		506,989
Long-term debt		1,735,926		1,668,521
Deferred income taxes		845,702		720,889
Noncurrent derivative instruments		83,618		51,647
Asset retirement obligations and other long-term liabilities		39,427		36,574
Commitments and contingencies (Note K)
Stockholders’ equity:
Common stock, $0.001 par value; 300,000,000 authorized; 103,529,637 and 102,842,082 shares issued at June 30, 2011 and December 31, 2010, respectively		104		103
Additional paid-in capital		1,912,098		1,874,649
Retained earnings		785,494		510,737
Treasury stock, at cost; 48,849 and 31,963 shares at June 30, 2011 and December 31, 2010,respectively		(3,335)		(1,615)
Total stockholders’ equity		2,694,361		2,383,874
Total liabilities and stockholders’ equity	$	6,036,143	$	5,368,494

The accompanying notes are an integral part of these consolidated financial statements.

1

Concho Resources Inc.

Consolidated Statements of Operations

Unaudited

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands, except per share amounts)	2011		2010 (a)		2011		2010 (a)
Operating revenues:
Oil sales	$	342,747	$	159,292	$	625,174	$	312,080
Natural gas sales		103,485		40,023		181,898		86,408
Total operating revenues		446,232		199,315		807,072		398,488
Operating costs and expenses:
Oil and natural gas production		69,577		36,442		133,235		69,772
Exploration and abandonments		400		922		1,126		2,031
Depreciation, depletion and amortization		98,881		49,611		189,169		99,770
Accretion of discount on asset retirement obligations		715		316		1,419		657
Impairments of long-lived assets		76		3,489		76		3,745
General and administrative (including non-cash stock-based compensation of $4,725 and $2,871 for the three months ended June 30, 2011 and 2010, respectively, and $9,193 and $5,702 for the six months ended June 30, 2011 and 2010, respectively)		22,618		17,761		44,010		31,539
Bad debt expense		-		33		-		572
(Gain) loss on derivatives not designated as hedges		(144,882)		(112,763)		88,260		(128,336)
Total operating costs and expenses		47,385		(4,189)		457,295		79,750
Income from operations		398,847		203,504		349,777		318,738
Other income (expense):
Interest expense		(21,660)		(11,192)		(51,320)		(22,257)
Other, net		(1,735)		(304)		(2,087)		(377)
Total other expense		(23,395)		(11,496)		(53,407)		(22,634)
Income from continuing operations before income taxes		375,452		192,008		296,370		296,104
Income tax expense		(143,270)		(72,220)		(112,801)		(110,983)
Income from continuing operations		232,182		119,788		183,569		185,121
Income from discontinued operations, net of tax		-		4,383		91,188		6,590
Net income	$	232,182	$	124,171	$	274,757	$	191,711
Basic earnings per share:
Income from continuing operations	$	2.26	$	1.32	$	1.79	$	2.06
Income from discontinued operations, net of tax		-		0.04		0.89		0.07
Net income per share	$	2.26	$	1.36	$	2.68	$	2.13
Weighted average shares used in basic earnings per share		102,569		91,044		102,407		89,944
Diluted earnings per share:
Income from continuing operations	$	2.24	$	1.31	$	1.77	$	2.03
Income from discontinued operations, net of tax		-		0.04		0.88		0.07
Net income per share	$	2.24	$	1.35	$	2.65	$	2.10
Weighted average shares used in diluted earnings per share		103,638		92,297		103,570		91,220

(a)   Retrospectively adjusted for presentation of discontinued operations as described in Note B.

The accompanying notes are an integral part of these consolidated financial statements.

2

Concho Resources Inc.

Consolidated Statement of Stockholders’ Equity

Unaudited

					Additional								Total
	Common Stock				Paid-in		Retained		Treasury Stock				Stockholders’
(in thousands)	Shares		Amount		Capital		Earnings		Shares		Amount		Equity
BALANCE AT DECEMBER 31, 2010		102,842	$	103	$	1,874,649	$	510,737		32	$	(1,615)	$	2,383,874
Net income		-		-		-		274,757		-		-		274,757
Stock options exercised		590		1		7,139		-		-		-		7,140
Grants of restricted stock		123		-		-		-		-		-		-
Cancellation of restricted stock		(25)		-		-		-		-		-		-
Stock-based compensation		-		-		9,193		-		-		-		9,193
Excess tax benefits related to stock-based compensation		-		-		21,117		-		-		-		21,117
Purchase of treasury stock		-		-		-		-		17		(1,720)		(1,720)
BALANCE AT JUNE 30, 2011		103,530	$	104	$	1,912,098	$	785,494		49	$	(3,335)	$	2,694,361

The accompanying notes are an integral part of these consolidated financial statements.

3

Concho Resources Inc.

Consolidated Statements of Cash Flows

Unaudited

	Six Months Ended
	June 30,
(in thousands)	2011		2010 (a)
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	274,757	$	191,711
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization		189,169		99,770
Impairments of long-lived assets		76		3,745
Accretion of discount on asset retirement obligations		1,419		657
Exploration and abandonments, including dry holes		168		819
Non-cash compensation expense		9,193		5,702
Bad debt expense		-		572
Deferred income taxes		101,967		99,516
(Gain) loss on sale of assets		1,455		(169)
(Gain) loss on derivatives not designated as hedges		88,260		(128,336)
Discontinued operations		(82,118)		12,919
Other non-cash items		(2,321)		2,420
Changes in operating assets and liabilities:
Accounts receivable		(105,761)		(27,831)
Prepaid costs and other		(3,734)		105
Inventory		(10,868)		(3,834)
Accounts payable		(29,488)		(8,900)
Revenue payable		66,164		(897)
Other current liabilities		(12,491)		(8,439)
Net cash provided by operating activities		485,847		239,530
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures on oil and natural gas properties		(578,767)		(278,002)
Acquisition of oil and natural gas properties		(98,405)		(13,362)
Additions to other property and equipment		(24,981)		(2,292)
Proceeds from the sale of assets		196,252		790
Settlements paid on derivatives not designated as hedges		(76,047)		(9,299)
Net cash used in investing activities		(581,948)		(302,165)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of long-term debt		1,645,000		360,000
Payments of long-term debt		(1,569,000)		(562,000)
Net proceeds from issuance of common stock		-		219,308
Exercise of stock options		7,140		4,080
Excess tax benefit related to stock-based compensation		21,117		6,703
Payments for loan origination costs		(24,466)		(2,299)
Purchase of treasury stock		(1,720)		(585)
Bank overdrafts		18,043		34,577
Net cash provided by financing activities		96,114		59,784
Net increase (decrease) in cash and cash equivalents		13		(2,851)
Cash and cash equivalents at beginning of period		384		3,234
Cash and cash equivalents at end of period	$	397	$	383
SUPPLEMENTAL CASH FLOWS:
Cash paid for interest and fees, net of $73 and $56 capitalized interest	$	32,069	$	21,707
Cash paid for income taxes	$	14,322	$	16,715

(a)  Retrospectively adjusted for presentation of discontinued operations as described in Note B.

The accompanying notes are an integral part of these consolidated financial statements.

4

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Note A. Organization and nature of operations

Concho Resources Inc. (the “Company”) is a Delaware corporation formed on February 22, 2006. The Company’s principal business is the acquisition, development and exploration of oil and natural gas properties primarily located in the Permian Basin region of Southeast New Mexico and West Texas.

Note B. Summary of significant accounting policies

Principles of consolidation. The consolidated financial statements of the Company include the accounts of the Company and its wholly-owned subsidiaries. In addition, a third-party formed an entity to effectuate a tax-free exchange of assets for the Company. The Company had 100 percent control over the decisions of the entity, but had no current direct ownership. The third-party conveyed ownership to the Company upon completion of the tax-free exchange process in April 2011, and the entity was merged into a wholly-owned subsidiary of the Company. It has been consolidated in the Company’s financial statements. All material intercompany balances and transactions have been eliminated.

Discontinued operations. The Company made the following divestitures of assets:

	Asset Group
	Permian Basin	Bakken
(dollars in millions)	Assets	Assets
Date divested	December 2010	March 2011
Net proceeds	$                103.3	$            195.9
Gain on sale of assets	$                  29.1	$            142.0

As a result, the Company has reflected the results of operations of these divested assets as discontinued operations, rather than as a component of continuing operations. See Note N for additional information regarding these divestitures and their discontinued operations.

Use of estimates in the preparation of financial statements. Preparation of financial statements in conformity with generally accepted accounting principles in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from these estimates. Depletion of oil and natural gas properties are determined using estimates of proved oil and natural gas reserves. There are numerous uncertainties inherent in the estimation of quantities of proved reserves and in the projection of future rates of production and the timing of development expenditures. Similarly, evaluations for impairment of proved and unproved oil and natural gas properties are subject to numerous uncertainties including, among others, estimates of future recoverable reserves and commodity price outlooks. Other significant estimates include, but are not limited to, the asset retirement obligations, fair value of derivative financial instruments, fair value measurements of business combinations and oil and natural gas property acquisitions and fair value of stock-based compensation.

Interim financial statements. The accompanying consolidated financial statements of the Company have not been audited by the Company’s independent registered public accounting firm, except that the consolidated balance sheet at December 31, 2010 is derived from audited consolidated financial statements. In the opinion of management, the accompanying consolidated financial statements reflect all adjustments necessary to present fairly the Company’s financial position at June 30, 2011, and its results of operations for the three and six months ended June 30, 2011 and 2010, and its cash flows for the six months ended June 30, 2011 and 2010. All such adjustments are of a normal recurring nature. In preparing the accompanying consolidated financial statements, management has made certain estimates and assumptions that affect reported amounts in the consolidated financial statements and disclosures of contingencies. Actual results may differ from those estimates. The results for interim periods are not necessarily indicative of annual

5

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

results.

Certain disclosures have been condensed or omitted from these consolidated financial statements. Accordingly, these consolidated financial statements should be read with the audited consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010.

Deferred loan costs. Deferred loan costs are stated at cost, net of amortization, which is computed using the effective interest and straight-line methods.

Future amortization expense of deferred loan costs at June 30, 2011 was as follows:

(in thousands)
Remaining 2011	$	5,299
2012		10,758
2013		10,986
2014		11,232
2015		11,499
Thereafter		21,167
Total	$	70,941

Intangible assets. The Company capitalized certain operating rights acquired in an acquisition. The gross operating rights, which have no residual value, are amortized over the estimated economic life of 25 years. Impairment will be assessed if indicators of potential impairment exist or when there is a material change in the remaining useful economic life. The following table reflects the gross and net intangible assets at June 30, 2011 and December 31, 2010:

		00000000		00000000
	June 30,		December 31,
(in thousands)	2011		2010
Gross intangible - operating rights	$	38,717	$	38,717
Accumulated amortization		(4,518)		(3,744)
Net intangible - operating rights	$	34,199	$	34,973

The following table reflects amortization expense for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Amortization expense	$	387	$	387	$	774	$	774

6

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

The following table reflects the estimated aggregate amortization expense for each of the periods presented below at June 30, 2011:

(in thousands)
Remaining 2011	$	775
2012		1,549
2013		1,549
2014		1,549
2015		1,549
Thereafter		27,228
Total	$	34,199

Oil and natural gas sales and imbalances. Oil and natural gas revenues are recorded at the time of delivery of such products to pipelines for the account of the purchaser or at the time of physical transfer of such products to the purchaser. The Company follows the sales method of accounting for oil and natural gas sales, recognizing revenues based on the Company’s share of actual proceeds from the oil and natural gas sold to purchasers. Oil and natural gas imbalances are generated on properties for which two or more owners have the right to take production “in-kind” and, in doing so, take more or less than their respective entitled percentage. Imbalances are tracked by well, but the Company does not record any receivable from or payable to the other owners unless the imbalance has reached a level at which it exceeds the remaining reserves in the respective well. If reserves are insufficient to offset the imbalance and the Company is in an overtake position, a liability is recorded for the amount of shortfall in reserves valued at a contract price or the market price in effect at the time the imbalance is generated. If the Company is in an undertake position, a receivable is recorded for an amount that is reasonably expected to be received, not to exceed the current market value of such imbalance.

The following tables reflect the Company’s natural gas imbalance positions at June 30, 2011 and December 31, 2010, as well as amounts reflected in oil and natural gas production expense for the three and six months ended June 30, 2011 and 2010:

(dollars in thousands)					June 30, 2011		December 31, 2010
Natural gas imbalance liability (included in asset retirement obligations and other long-term liabilities)					$	432	$	403
Overtake position (Mcf)						78,074		71,153
Natural gas imbalance receivable (included in other assets)					$	100	$	100
Undertake position (Mcf)						22,228		22,240
	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2011		2010		2011		2010
Value of net overtake arising during the period increasing oil and natural gas production expense	$	29	$	10	$	29	$	5
Net overtake position arising during the period (Mcf)		6,952		2,292		6,933		1,008

7

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Treasury stock. Treasury stock purchases are recorded at cost. Upon reissuance, the cost of treasury shares held is reduced by the average purchase price per share of the aggregate treasury shares held.

General and administrative expense. The Company receives fees for the operation of jointly owned oil and natural gas properties and records such reimbursements as reductions of general and administrative expense. Such fees from continuing and discontinued operations totaled approximately $3.1 million and $3.6 million for the three months ended June 30, 2011 and 2010, respectively, and $5.7 million and $6.5 million for the six months ended June 30, 2011 and 2010, respectively.

Recent accounting pronouncements. In May 2011, the Financial Accounting Standards Board (the “FASB”) issued amendments as a result of the work by the FASB and the International Accounting Standards Board (the “IASB”) to develop common requirements for measuring fair value and for disclosing information about fair value measurements in accordance with generally accepted accounting principles in the United States (“U.S. GAAP”) and the International Financial Reporting Standards (“IFRSs”).

The boards worked together to ensure that fair value has the same meaning in U.S. GAAP and in IFRSs and that their respective fair value measurement and disclosure requirements are the same (except for minor differences in wording and style). The boards concluded that the amendments in this update will improve the comparability of fair value measurements presented and disclosed in financial statements prepared in accordance with U.S. GAAP and IFRSs. The amendments in this update explain how to measure fair value. They do not require additional fair value measurements and are not intended to establish valuation standards or affect valuation practices outside of financial reporting.

The amendments in this update are to be applied prospectively and are effective during interim and annual periods beginning after December 15, 2011. The Company does not expect this update to have a significant impact on the consolidated financial statements.

Note C. Exploratory well costs

The Company capitalizes exploratory well costs until a determination is made that the well has either found proved reserves or that it is impaired. The capitalized exploratory well costs are presented in unproved properties in the consolidated balance sheets. If the exploratory well is determined to be impaired, the well costs are charged to expense.

The following table reflects the Company’s capitalized exploratory well activity during the three and six months ended June 30, 2011:

(in thousands)	Three Months Ended June 30, 2011		Six Months Ended June 30, 2011
Beginning capitalized exploratory well costs	$	69,558	$	46,826
Additions to exploratory well costs pending the determination of proved reserves		86,905		138,262
Reclassifications due to determination of proved reserves		(44,579)		(73,204)
Exploratory well costs charged to expense		-		-
Ending capitalized exploratory well costs	$	111,884	$	111,884

8

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

The following table provides an aging, at June 30, 2011 and December 31, 2010, of capitalized exploratory well costs based on the date drilling was completed:

(in thousands)	June 30, 2011		December 31, 2010
Exploratory wells in progress	$	13,858	$	19,190
Capitalized exploratory well costs that have been capitalized for a period of one year or less		98,026		27,636
Capitalized exploratory well costs that have been capitalized for a period greater than one year		-		-
Total capitalized exploratory well costs	$	111,884	$	46,826

At June 30, 2011, the Company had 97 gross exploratory wells either drilling or waiting on results from completion. There were 26 wells in the Texas Permian area, 30 in the Delaware Basin area and 41 wells in the New Mexico Shelf area.

Note D. Acquisitions and business combinations

Marbob and Settlement Acquisitions. In July 2010, the Company entered into an asset purchase agreement to acquire certain of the oil and natural gas leases, interests, properties and related assets owned by Marbob Energy Corporation and its affiliates (collectively, “Marbob”) for aggregate consideration of (i) cash in the amount of $1.45 billion, (ii) the issuance to Marbob of a $150 million 8.0% unsecured senior note due 2018 and (iii) the issuance to Marbob of approximately 1.1 million shares of the Company’s common stock, subject to purchase price adjustments, which included downward purchase price adjustments based on the exercise by third parties of contractual preferential purchase rights in properties to be acquired from Marbob (“Marbob Acquisition”).

On October 7, 2010, the Company closed the Marbob Acquisition. At closing, the Company paid approximately $1.1 billion in cash plus the unsecured senior note and common stock described above for a total purchase price of approximately $1.4 billion. The total purchase price as originally announced was reduced due to third party contractual preferential purchase rights in the Marbob properties. Certain of the third parties’ contractual preferential purchase rights became subject to litigation, as discussed below.

The Company funded the cash consideration in the Marbob Acquisition with (a) borrowings under its credit facility and (b) net proceeds of $292.7 million from a private placement of approximately 6.6 million shares of the Company’s common stock at a price of $45.30 per share that closed on October 7, 2010.

Certain of the Marbob interests in properties contained contractual preferential purchase rights by third parties if Marbob were to sell them. Marbob informed the Company of its receipt of a notice from BP America Production Company (“BP”) electing to exercise its contractual preferential purchase rights in certain of Marbob’s properties as a result of the Marbob Acquisition.

On July 20, 2010, BP announced it was selling all its assets in the Permian Basin to a subsidiary of Apache Corporation (“Apache”). Marbob and BP owned common interests in certain properties subject to contractual preferential purchase rights. BP and Apache contested Marbob’s ability to exercise its contractual preferential purchase rights in this situation. As a result, Marbob and the Company filed suit against BP and Apache seeking declaratory judgment and injunctive relief to protect Marbob’s contractual right to have the option to purchase these interests in these common properties.

On October 15, 2010, the Company and Marbob resolved the litigation with BP and Apache related to the disputed contractual preferential purchase rights. As a result of the settlement, the Company acquired a non-operated interest in substantially all of the oil and natural gas assets subject to the litigation for approximately $286 million in cash (the “Settlement Acquisition”). The Company funded the Settlement Acquisition with borrowings under its credit facility.

The results of operations of the Marbob and Settlement Acquisitions are included in the Company’s results of operations since their respective closing dates in October 2010.

9

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

The following tables represent the allocation of the total purchase price of the Marbob and Settlement Acquisitions to the acquired assets and liabilities assumed. The allocation represents the fair values assigned to each of the assets acquired and liabilities assumed:

	Marbob			Settlement
(in thousands)	Acquisition			Acquisition
Fair value of net assets:
Proved oil and natural gas properties	$	1,014,734		$	185,337
Unproved oil and natural gas properties		334,866			101,582
Other long-term assets		20,771			-
Total assets acquired		1,370,371			286,919
Asset retirement obligations and other liabilities assumed		(7,851)			(689)
Total purchase price	$	1,362,520		$	286,230
Fair value of consideration paid for net assets:
Cash consideration	$	1,127,747		$	286,230
Marbob $150 million senior unsecured 8% note, due 2018		159,000	(a)		-
Common stock, $0.001 par value; 1,103,752 shares issued		75,773	(b)		-
Total purchase price	$	1,362,520		$	286,230

^(a)  The fair value of the $150 million 8.0% senior unsecured note due 2018 issued to Marbob, was calculated by reference to the traded market yield of Concho’s 8.625% senior unsecured notes due 2017, at September 30, 2010.

^(b)  The fair value of the Concho common stock issued to Marbob was valued at the average of the high and low price on the closing date (October 7, 2010) of $68.65 per share.

10

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Pro forma data. The following unaudited pro forma combined condensed financial data for the three and six months ended June 30, 2010, was derived from the historical financial statements of the Company giving effect to the Marbob and Settlement Acquisitions as if they had occurred on January 1, 2010. The results of operations of the Marbob and Settlement Acquisitions are included in the Company’s results of operations for the three and six months ended June 30, 2011.

The unaudited pro forma combined condensed financial data has been included for comparative purposes only and is not necessarily indicative of the results that might have occurred had these acquisitions taken place as of the date indicated and is not intended to be a projection of future results.

	Three Months Ended June 30,		Six Months Ended June 30,
(in thousands, except per share data)	2010		2010
	(unaudited)
Operating revenues from continuing operations	$	269,246	$	512,088
Income from continuing operations	$	126,614	$	188,936
Income from continuing operations per common share:
Basic	$	1.28	$	1.93
Diluted	$	1.27	$	1.91

11

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Note E. Asset retirement obligations

The Company’s asset retirement obligations represent the estimated present value of the estimated cash flows the Company will incur to plug, abandon and remediate its producing properties at the end of their productive lives, in accordance with applicable state laws and contractual obligations. The Company does not provide for a market risk premium associated with asset retirement obligations because a reliable estimate cannot be determined. The Company has no assets that are legally restricted for purposes of settling asset retirement obligations.

The following table summarizes the Company’s asset retirement obligation activity recorded during the three and six months ended June 30, 2011 and 2010:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Asset retirement obligations, beginning of period	$	43,788	$	20,837	$	43,326	$	22,754
Liabilities incurred from new wells		1,416		665		3,239		1,111
Liabilities assumed in acquisitions		-		-		148		-
Accretion expense on continuing operations		715		316		1,419		657
Accretion expense on discontinued operations		-		56		8		115
Disposition of wells		-		-		(412)		-
Liabilities settled upon plugging and abandoning wells		(385)		(112)		(686)		(297)
Revision of estimates		(339)		295		(1,847)		(2,283)
Asset retirement obligations, end of period	$	45,195	$	22,057	$	45,195	$	22,057

Note F. Stockholders’ equity

Public common stock offering. In December 2010, the Company issued, including the over-allotment option, in a secondary public offering 2.9 million shares of its common stock at $82.50 per share, and it received net proceeds of approximately $227.4 million. The Company used the net proceeds from this offering to repay a portion of the outstanding borrowings under its credit facility.

In February 2010, the Company issued, including the over-allotment option, in a secondary public offering 5.3 million shares of its common stock at $42.75 per share, and it received net proceeds of approximately $219.3 million. The Company used the net proceeds from this offering to repay a portion of the outstanding borrowings under its credit facility.

Private placement of common stock. In October 2010, the Company closed the private placement of its common stock, simultaneously with the closing of the Marbob Acquisition, on 6.6 million shares at a price of $45.30 per share for net proceeds of approximately $292.7 million.

Treasury stock. The restrictions on certain restricted stock awards issued to certain of the Company’s officers and key employees lapsed during the six months ended June 30, 2011 and 2010. Immediately upon the lapse of restrictions, these officers and key employees became liable for income taxes on the value of such shares. In accordance with the Company’s 2006 Stock Incentive Plan (the “Plan”) and the applicable restricted stock award agreements, some of such officers and key employees elected to deliver shares of the Company’s common stock to the Company in exchange for cash used to satisfy such tax liability. In total, at June 30, 2011 and December 31, 2010, the Company had acquired 48,849 and 31,963 shares of the Company’s common stock, respectively, that are held as treasury stock in the approximate amount of $3.3 million and $1.6 million, respectively.

12

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Note G. Incentive plans

Defined contribution plan. The Company sponsors a 401(k) defined contribution plan for the benefit of substantially all employees. Currently, the Company matches 100 percent of employee contributions, not to exceed 6 percent of the employee’s annual salary. The Company’s contributions to the plans for the three months ended June 30, 2011 and 2010 were approximately $0.5 million and $0.4 million, respectively, and approximately $0.9 million and $0.6 million for the six months ended June 30, 2011 and 2010, respectively.

Stock incentive plan. The Plan provides for granting stock options and restricted stock awards to employees and individuals associated with the Company. The following table shows the number of existing awards and awards available under the Plan at June 30, 2011:

	Number of
	Common Shares
Approved and authorized awards		5,850,000
Restricted stock grants, net of forfeitures		(1,420,736)
Stock option grants, net of forfeitures		(3,463,720)
Awards available for future grant		965,544

Restricted stock awards. All restricted shares are treated as issued and outstanding in the accompanying consolidated balance sheets. If an employee terminates employment prior the restriction lapse date, the awarded shares are forfeited and cancelled and are no longer considered issued and outstanding. A summary of the Company’s restricted stock awards for the six months ended June 30, 2011 is presented below:

	Number of		Grant Date
	Restricted		Fair Value
	Shares		Per Share
Restricted stock:
Outstanding at December 31, 2010		820,884
Shares granted		122,787	$	102.83
Shares cancelled / forteited		(24,992)
Lapse of restrictions		(121,188)
Outstanding at June 30, 2011		797,491

13

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

The following table summarizes information about stock-based compensation for the Company’s restricted stock awards for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Grant date fair value for awards during the period and change in fair value due to modification:
Employee grants	$	1,646	$	5,751	$	3,576	$	7,341
Officer and director grants		250		-		9,050		5,075
Total	$	1,896	$	5,751	$	12,626	$	12,416
Stock-based compensation expense from restricted stock:
Employee grants	$	1,809	$	1,140	$	3,651	$	2,118
Officer and director grants		2,707		1,152		4,993		1,996
Total	$	4,516	$	2,292	$	8,644	$	4,114
Income taxes and other information:
Income tax benefit related to restricted stock	$	1,727	$	864	$	3,305	$	1,553
Deductions in current taxable income related to restricted stock	$	4,934	$	1,252	$	12,012	$	2,959

Stock option awards. A summary of the Company’s stock option awards activity under the Plan for the six months ended June 30, 2011 is presented below:

			Weighted
			Average
	Number of		Exercise
	Options		Price
Stock options:
Outstanding at December 31, 2010		1,597,003	$	15.43
Options exercised		(589,760)	$	12.11
Outstanding at June 30, 2011		1,007,243	$	17.37
Vested at end of period		775,349	$	16.48
Exercisable at end of period		725,446	$	17.06

14

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

The following table summarizes information about the Company’s vested and exercisable stock options outstanding at June 30, 2011:

			Weighted
			Average		Weighted
Range of	Number		Remaining		Average
Exercise	Vested and		Contractual		Exercise		Intrinsic
Prices	Exercisable		Life		Price		Value
							(in thousands)
June 30, 2011:
Vested options:
$8.00		200,422		2.08 years	$	8.00	$	16,805
$12.00		53,535		4.26 years	$	12.00		4,275
$12.50 - $15.50		186,250		5.34 years	$	14.56		14,395
$20.00 - $23.00		276,712		6.82 years	$	21.66		19,422
$28.00 - $37.27		58,430		6.91 years	$	31.26		3,540
		775,349		5.07 years	$	16.48	$	58,437
Exercisable options:
$8.00		150,519		2.69 years	$	8.00	$	12,621
$12.00		53,535		4.26 years	$	12.00		4,275
$12.50 - $15.50		186,250		5.34 years	$	14.56		14,395
$20.00 - $23.00		276,712		6.82 years	$	21.66		19,422
$28.00 - $37.27		58,430		6.91 years	$	31.26		3,540
		725,446		5.40 years	$	17.06	$	54,253

The following table summarizes information about stock-based compensation for stock options for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Stock-based compensation expense from stock options:
Employee grants	$	22	$	42	$	45	$	86
Officer and director grants		187		537		504		1,502
Total	$	209	$	579	$	549	$	1,588
Income taxes and other information:
Income tax benefit related to stock options	$	80	$	218	$	210	$	599
Deductions in current taxable income related to stock options exercised	$	8,914	$	8,473	$	52,155	$	18,124

15

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Future stock-based compensation expense. The following table reflects the future stock-based compensation expense to be recorded for all the stock-based compensation awards that are outstanding at June 30, 2011:

	Restricted		Stock
(in thousands)	Stock		Options		Total
Remaining 2011	$	8,590	$	331	$	8,921
2012		11,518		184		11,702
2013		7,268		15		7,283
2014		3,930		-		3,930
2015		116		-		116
Total	$	31,422	$	530	$	31,952

Note H. Disclosures about fair value of financial instruments

The Company uses a valuation framework based upon inputs that market participants use in pricing an asset or liability, which are classified into two categories: observable inputs and unobservable inputs. Observable inputs represent market data obtained from independent sources; whereas, unobservable inputs reflect a company’s own market assumptions, which are used if observable inputs are not reasonably available without undue cost and effort. These two types of inputs are further prioritized into the following fair value input hierarchy:

Level 1:	Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. The Company considers active markets to be those in which transactions for the assets or liabilities occur in sufficient frequency and volume to provide pricing information on an ongoing basis.
Level 2:	Quoted prices in markets that are not active, or inputs which are observable, either directly or indirectly, for substantially the full term of the asset or liability. This category includes those derivative instruments that the Company values using observable market data. Substantially all of these inputs are observable in the marketplace throughout the full term of the derivative instrument, can be derived from observable data, or supported by observable levels at which transactions are executed in the marketplace. Level 2 instruments primarily include non-exchange traded derivatives such as over-the-counter commodity price swaps, basis swaps, investments and interest rate swaps. The Company’s valuation models are primarily industry-standard models that consider various inputs including: (i) quoted forward prices for commodities, (ii) time value and (iii) current market and contractual prices for the underlying instruments, as well as other relevant economic measures. The Company utilizes its counterparties’ valuations to assess the reasonableness of its prices and valuation techniques.
Level 3:	Measured based on prices or valuation models that require inputs that are both significant to the fair value measurement and less observable from objective sources (i.e., supported by little or no market activity). Level 3 instruments primarily include derivative instruments, such as commodity price collars, as well as investments. The Company’s valuation models are primarily industry-standard models that consider various inputs including: (i) quoted forward prices for commodities, (ii) time value, (iii) volatility factors and (iv) current market and contractual prices for the underlying instruments, as well as other relevant economic measures. Although the Company utilizes its counterparties’ valuations to assess the reasonableness of our prices and valuation techniques, the Company does not have sufficient corroborating market evidence to support classifying these assets and liabilities as Level 2.

16

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

The fair value input hierarchy level to which an asset or liability measurement in its entirety falls is determined based on the lowest level input that is significant to the measurement in its entirety. The following table presents the Company’s assets and liabilities that are measured at fair value on a recurring basis at June 30, 2011, for each of the fair value hierarchy levels:

	Fair Value Measurements at Reporting Date  Using
			Significant
	Quoted Prices in		Other		Significant
	Active Markets for		Observable		Unobservable		Fair Value at
	Identical Assets		Inputs		Inputs		June 30,
(in thousands)	(Level 1)		(Level 2)		(Level 3)		2011
Assets:
Commodity derivative price swap contracts	$	-	$	50,253	$	-	$	50,253
		-		50,253		-		50,253
Liabilities:
Commodity derivative price swap contracts		-		(200,764)		-		(200,764)
Commodity derivative basis swap contracts		-		(2,036)		-		(2,036)
		-		(202,800)		-		(202,800)
Net derivative liabilities	$	-	$	(152,547)	$	-	$	(152,547)

The following table sets forth a reconciliation of changes in the fair value of financial assets classified as Level 3 in the fair value hierarchy:

(in thousands)
Balance at December 31, 2010	$	2,481
Realized and unrealized gains, net		356
Settlements		(2,837)
Balance at June 30, 2011	$	-
Total gains for the period included in earnings attributable to the change in unrealized gains	$	(2,481)

17

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table presents the carrying amounts and fair values of the Company’s financial instruments at June 30, 2011 and December 31, 2010:

	June 30, 2011				December 31, 2010
	Carrying		Fair		Carrying		Fair
(in thousands)	Value		Value		Value		Value
Assets:
Derivative instruments	$	5,470	$	5,470	$	9,088	$	9,088
Liabilities:
Derivative instruments	$	158,017	$	158,017	$	149,422	$	149,422
Credit facility	$	239,500	$	226,363	$	613,500	$	606,042
8.625% senior notes due 2017	$	296,426	$	323,103	$	296,219	$	322,879
8.0% senior note due 2018	$	-	$	-	$	158,802	$	162,772
7.0% senior notes due 2021	$	600,000	$	621,000	$	600,000	$	615,000
6.5% senior notes due 2022	$	600,000	$	601,500	$	-	$	-

Cash and cash equivalents, accounts receivable, other current assets, accounts payable, interest payable and other current liabilities. The carrying amounts approximate fair value due to the short maturity of these instruments.

Credit facility. The fair value of the Company’s credit facility is estimated by discounting the principal and interest payments at the Company’s credit adjusted discount rate at the reporting date.

Senior notes. The fair values of the Company’s 8.625%, 7.0%, and 6.5% senior notes are based on quoted market prices. The fair value of the $150 million 8.0% senior note issued to Marbob at December 31, 2010, was based on a risk-adjusted quoted market price of similar publicly-traded debt securities. On May 2, 2011, the Company paid off the 8.0% unsecured senior note at face value with borrowings under the credit facility.

18

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Derivative instruments. The fair value of the Company’s derivative instruments are estimated by management considering various factors, including closing exchange and over-the-counter quotations and the time value of the underlying commitments. Financial assets and liabilities are classified based on the lowest level of input that is significant to the fair value measurement. The Company’s assessment of the significance of a particular input to the fair value measurement requires judgment, and may affect the valuation of the fair value of assets and liabilities and their placement within the fair value hierarchy levels. The following table (i) summarizes the valuation of each of the Company’s financial instruments by required pricing levels and (ii) summarizes the gross fair value by the appropriate balance sheet classification, even when the derivative instruments are subject to netting arrangements and qualify for net presentation in the Company’s consolidated balance sheets at June 30, 2011 and December 31, 2010:

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant         Other          Observable         Inputs         (Level 2)		Significant         Unobservable         Inputs         (Level 3)		Total Fair Value at June 30, 2011
Assets (a)
Current:(b)
Commodity derivative price swap contracts	$	-	$	37,559	$	-	$	37,559
		-		37,559		-		37,559
Noncurrent:(c)
Commodity derivative price swap contracts		-		12,694		-		12,694
		-		12,694		-		12,694
Liabilities (a)
Current:(b)
Commodity derivative price swap contracts		-		(104,964)		-		(104,964)
Commodity derivative basis swap contracts		-		(2,036)		-		(2,036)
		-		(107,000)		-		(107,000)
Noncurrent:(c)
Commodity derivative price swap contracts		-		(95,800)		-		(95,800)
		-		(95,800)		-		(95,800)
Net derivative liabilities	$	-	$	(152,547)	$	-	$	(152,547)
(b) Total current derivative liabilities, gross basis							$	(69,441)
(c) Total noncurrent derivative liabilities, gross basis								(83,106)
Net derivative liabilities							$	(152,547)

19

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value at December 31, 2010
Assets (a)
Current:(b)
Commodity derivative price swap contracts	$	-	$	32,877	$	-	$	32,877
Commodity derivative price collar contracts		-		-		2,481		2,481
		-		32,877		2,481		35,358
Noncurrent:(c)
Commodity derivative price swap contracts		-		16,642		-		16,642
		-		16,642		-		16,642
Liabilities (a)
Current:(b)
Commodity derivative price swap contracts		-		(118,131)		-		(118,131)
Commodity derivative basis swap contracts		-		(3,552)		-		(3,552)
Interest rate derivative swap contracts		-		(4,595)		-		(4,595)
		-		(126,278)		-		(126,278)
Noncurrent:(c)
Commodity derivative price swap contracts		-		(64,897)		-		(64,897)
Interest rate derivative swap contracts		-		(1,159)		-		(1,159)
		-		(66,056)		-		(66,056)
Net derivative assets (liabilities)	$	-	$	(142,815)	$	2,481	$	(140,334)
(b) Total current derivative liabilities, gross basis							$	(90,920)
(c) Total noncurrent derivative liabilities, gross basis								(49,414)
Net derivative liabilities							$	(140,334)

(a) The fair value of derivative instruments reported in the Company’s consolidated balance sheets are subject to netting arrangements and qualify for net presentation. The following table reports the net basis derivative fair values as reported in the consolidated balance sheets at June 30, 2011 and December 31, 2010:

	June 30,		December 31,
(in thousands)	2011		2010
Consolidated Balance Sheet Classification:
Current derivative contracts:
Assets	$	4,958	$	6,855
Liabilities		(74,399)		(97,775)
Net current	$	(69,441)	$	(90,920)
Noncurrent derivative contracts:
Assets	$	512	$	2,233
Liabilities		(83,618)		(51,647)
Net noncurrent	$	(83,106)	$	(49,414)

20

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

Certain assets and liabilities are reported at fair value on a nonrecurring basis in the Company’s consolidated balance sheets. The following methods and assumptions were used to estimate the fair values:

Impairments of long-lived assets – The Company reviews its long-lived assets to be held and used, including proved oil and natural gas properties, whenever events or circumstances indicate that the carrying value of those assets may not be recoverable. An impairment loss is indicated if the sum of the expected undiscounted future net cash flows is less than the carrying amount of the assets. In this circumstance, the Company recognizes an impairment loss for the amount by which the carrying amount of the asset exceeds the estimated fair value of the asset. The Company reviews its oil and natural gas properties by amortization base or by individual well for those wells not constituting part of an amortization base. For each property determined to be impaired, an impairment loss equal to the difference between the carrying value of the properties and the estimated fair value (discounted future cash flows) of the properties would be recognized at that time. Estimating future cash flows involves the use of judgments, including estimation of the proved oil and natural gas reserve quantities, timing of development and production, expected future commodity prices, capital expenditures and production costs.

The Company periodically reviews its proved oil and natural gas properties that are sensitive to oil and natural gas prices for impairment. Impairment expense is caused primarily due to declines in commodity prices and well performance. The following table reports the carrying amounts, estimated fair values and impairment expense of long-lived assets for continuing and discontinued operations for the three and six months ended June 30, 2011 and 2010:

(in thousands)	Carrying Amount		Estimated Fair Value		Impairment Expense
Three Months Ended June 30, 2011	$	77	$	1	$	76
Three Months Ended June 30, 2010	$	7,884	$	3,192	$	4,692
Six Months Ended June 30, 2011	$	77	$	1	$	76
Six Months Ended June 30, 2010	$	13,776	$	6,464	$	7,312

Asset retirement obligations – The Company estimates the fair value of Asset Retirement Obligations (“AROs”) based on discounted cash flow projections using numerous estimates, assumptions and judgments regarding such factors as the existence of a legal obligation for an ARO; amounts and timing of settlements; the credit-adjusted risk-free rate to be used; and inflation rates. See Note E for a summary of changes in AROs.

21

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

The following table sets forth the measurement information for assets measured at fair value on a nonrecurring basis:

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other     Observable     Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Impairment Loss
Three Months Ended June 30, 2011:
Impairment of long-lived assets	$	-	$	-	$	1	$	76
Asset retirement obligations incurred in current period		-		-		1,416
Three Months Ended June 30, 2010:
Impairment of long-lived assets	$	-	$	-	$	3,192	$	4,692
Asset retirement obligations incurred in current period		-		-		665
Six Months Ended June 30, 2011:
Impairment of long-lived assets	$	-	$	-	$	1	$	76
Asset retirement obligations incurred in current period		-		-		3,387
Six Months Ended June 30, 2010:
Impairment of long-lived assets	$	-	$	-	$	6,464	$	7,312
Asset retirement obligations incurred in current period		-		-		1,111

Note I. Derivative financial instruments

The Company uses derivative financial contracts to manage exposures to commodity price and interest rate fluctuations. Commodity hedges are used to (i) reduce the effect of the volatility of price changes on the oil and natural gas the Company produces and sells, (ii) support the Company’s capital budget and expenditure plans and (iii) support the economics associated with acquisitions. Interest rate hedges are used to mitigate the cash flow risk associated with rising interest rates. The Company does not enter into derivative financial instruments for speculative or trading purposes. The Company also may enter into physical delivery contracts to effectively provide commodity price hedges. Because these contracts are not expected to be net cash settled, they are considered to be normal sales contracts and not derivatives. Therefore, these contracts are not recorded in the Company’s consolidated financial statements.

Currently, the Company does not designate its derivative instruments to qualify for hedge accounting. Accordingly, the Company reflects changes in the fair value of its derivative instruments in its statements of operations.

22

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

New commodity derivative contracts in the first six months of 2011. During the six months ended June 30, 2011, the Company entered into additional commodity derivative contracts to hedge a portion of its estimated future production. The following table summarizes information about these additional commodity derivative contracts. When aggregating multiple contracts, the weighted average contract price is disclosed.

	Aggregate Volume		Index Price (a)		Contract Period
Oil (volumes in Bbls):
Price swap		115,000	$	96.65		03/01/11 - 11/30/11
Price swap		200,000	$	97.20		03/01/11 - 12/31/11
Price swap		190,000	$	111.41		05/01/11 - 07/31/11
Price swap		736,000	$	110.21		05/01/11 - 12/31/11
Price swap		66,000	$	111.80		08/01/11 - 11/30/11
Price swap		45,000	$	99.35		01/01/12 - 03/31/12
Price swap		176,000	$	110.34		01/01/12 - 11/30/12
Price swap		900,000	$	106.20		01/01/12 - 12/31/12
Price swap		555,000	$	99.00		07/01/12 - 12/31/12
Price swap		2,844,000	$	100.73		01/01/13 - 12/31/13

(a) The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

23

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Commodity derivative contracts at June 30, 2011. The following table sets forth the Company’s outstanding commodity derivative contracts at June 30, 2011. When aggregating multiple contracts, the weighted average contract price is disclosed.

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total
Oil Swaps: (a)
2011:
Volume (Bbl)						2,855,436		2,598,436		5,453,872
Price per Bbl						$87.09		$86.60		$86.86
2012:
Volume (Bbl)		2,409,500		2,261,500		2,143,500		2,042,500		8,857,000
Price per Bbl		$92.40		$92.22		$94.09		$94.11		$93.16
2013:
Volume (Bbl)		1,056,000		1,056,000		1,056,000		1,056,000		4,224,000
Price per Bbl		$94.80		$94.80		$94.80		$94.80		$94.80
2014:
Volume (Bbl)		312,000		312,000		312,000		312,000		1,248,000
Price per Bbl		$83.94		$83.94		$83.94		$83.94		$83.94
2015:
Volume (Bbl)		300,000		300,000		-		-		600,000
Price per Bbl		$84.50		$84.50		$    -		$    -		$84.50
Natural Gas Swaps: (b)
2011:
Volume (MMBtu)						3,069,000		3,069,000		6,138,000
Price per MMBtu						$6.62		$6.62		$6.62
2012:
Volume (MMBtu)		75,000		75,000		75,000		75,000		300,000
Price per MMBtu		$6.54		$6.54		$6.54		$6.54		$6.54
Natural Gas Basis Swaps: (c)
2011:
Volume (MMBtu)						1,800,000		1,800,000		3,600,000
Price per MMBtu						$0.76		$0.76		$0.76

(a) The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

(b) The index prices for the natural gas price swaps are based on the NYMEX-Henry Hub last trading day futures price.

(c) The basis differential between the El Paso Permian delivery point and NYMEX-Henry Hub delivery point.

24

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Interest rate derivative contracts. The Company had interest rate swaps that fixed the LIBOR interest rate on $300 million of its borrowings under its credit facility at 1.90 percent for three years beginning in May 2009. In May 2011, in connection with issuing additional senior notes and a review of amounts that may be outstanding under its credit facility, the Company terminated its interest rate swaps for approximately $5.0 million. For this portion of the Company’s borrowings under its credit facility, the all-in interest rate was calculated by adding the fixed rate of 1.90 percent to a margin that ranged from 1.50 percent to 2.50 percent, depending on the amount of borrowings under its credit facility outstanding. See Note J for further discussion of the Company’s credit facility.

The following table summarizes the gains and losses reported in earnings related to the commodity and interest rate derivative instruments for the three and six months ended June 30, 2011 and 2010:

		00000000000		00000000000		00000000000		00000000000
	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Gain (loss) on derivatives not designated as hedges:
Cash (payments on) receipts from derivatives not designated as hedges:
Commodity derivatives:
Oil	$	(48,398)	$	(2,852)	$	(80,628)	$	(12,985)
Natural gas		6,076		5,614		11,205		6,120
Interest rate derivatives		(5,429)		(1,221)		(6,624)		(2,434)
Mark-to-market gain (loss):
Commodity derivatives:
Oil		192,566		119,303		(8,942)		120,741
Natural gas		(4,802)		(6,509)		(9,025)		20,678
Interest rate derivatives		4,869		(1,572)		5,754		(3,784)
Total gain (loss) on derivatives not designated as hedges	$	144,882	$	112,763	$	(88,260)	$	128,336

All of the Company’s derivative contracts at June 30, 2011 are expected to settle by June 30, 2015.

Note J. Debt

The Company’s debt consisted of the following at June 30, 2011 and December 31, 2010:

		00000000000		00000000000
(in thousands)	June 30, 2011		December 31, 2010
Credit facility	$	239,500	$	613,500
8.625% unsecured senior notes due 2017		300,000		300,000
8.0% unsecured senior note due 2018		-		150,000
7.0% unsecured senior notes due 2021		600,000		600,000
6.5% unsecured senior notes due 2022		600,000		-
Unamortized original issue (discount) premium, net		(3,574)		5,021
Total long-term debt	$	1,735,926	$	1,668,521

25

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Credit facility. The Company’s credit facility, as amended (the “Credit Facility”), has a maturity date of April 25, 2016. The Company’s borrowing base is $2.5 billion until the next scheduled borrowing base redetermination in October 2011, and commitments from the Company’s bank group total $2.0 billion. Between scheduled borrowing base redeterminations, the Company and, if requested by 66 2/3 percent of the lenders, the lenders, may each request one special redetermination. At June 30, 2011, the Company had no letters of credit outstanding under the Credit Facility.

Advances on the Credit Facility bear interest, at the Company’s option, based on (i) the prime rate of JPMorgan Chase Bank (“JPM Prime Rate”) (3.25 percent at June 30, 2011) or (ii) a Eurodollar rate (substantially equal to the London Interbank Offered Rate). The Credit Facility’s interest rates of Eurodollar rate advances and JPM Prime Rate advances varied, with interest margins ranging from 150 to 250 basis points and 50 to 150 basis points, respectively, per annum depending on the debt balance outstanding. The Company pays commitment fees on the unused portion of the available commitment ranging from 37.5 to 50 basis points per annum, depending on utilization of the commitments.

The Credit Facility also includes a same-day advance facility under which the Company may borrow funds from the administrative agent. Same-day advances cannot exceed $25 million, and the maturity dates cannot exceed fourteen days. The interest rate on this facility is the JPM Prime Rate plus the applicable interest margin.

The Company’s obligations under the Credit Facility are secured by a first lien on substantially all of its oil and natural gas properties. In addition, all of the Company’s subsidiaries are guarantors, and the equity interests in such subsidiaries have been pledged to secure borrowings under the Credit Facility.

The credit agreement contains various restrictive covenants and compliance requirements, which include:

• maintenance of certain financial ratios, including (i) maintenance of a quarterly ratio of total debt to consolidated earnings before interest expense, income taxes, depletion, depreciation, and amortization, exploration expense and other noncash income and expenses to be no greater than 4.0 to 1.0, and (ii) maintenance of a ratio of current assets to current liabilities, excluding noncash assets and liabilities related to financial derivatives and asset retirement obligations and including the unfunded amounts under the Credit Facility, to be not less than 1.0 to 1.0;

• limits on the incurrence of additional indebtedness and certain types of liens;

• restrictions as to mergers, combinations and dispositions of assets; and

• restrictions on the payment of cash dividends.

At June 30, 2011, the Company was in compliance with all of the covenants under the Credit Facility.

8.625% unsecured senior notes. In September 2009, the Company issued $300 million aggregate principal amount of 8.625% senior notes due 2017 at 98.578 percent of par (the “2017 Senior Notes”). The 2017 Senior Notes mature on October 1, 2017, and interest is paid in arrears semi-annually on April 1 and October 1 beginning April 1, 2010. The 2017 Senior Notes are fully and unconditionally guaranteed on a senior unsecured basis by all of the Company’s subsidiaries.

7.0% unsecured senior notes. In December 2010, the Company issued $600 million aggregate principal amount of 7.0% senior notes due 2021 at 100 percent of par (the “2021 Senior Notes”). The 2021 Senior Notes mature on January 15, 2021, and interest is paid in arrears semi-annually on January 15 and July 15 beginning July 15, 2011. The 2021 Senior Notes are fully and unconditionally guaranteed on a senior unsecured basis by all of the Company’s subsidiaries.

6.5% unsecured senior notes. In May 2011, the Company issued $600 million aggregate principal amount of 6.5% senior notes due 2022 at 100 percent of par (the “2022 Senior Notes”). The 2022 Senior Notes mature on January 15, 2022, and interest is paid in arrears semi-annually on January 15 and July 15 beginning January 15, 2012. The 2022 Senior Notes are fully and unconditionally guaranteed on a senior unsecured basis by all of the Company’s subsidiaries.

26

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

The following table summarizes future interest expense from the net original issue discount at June 30, 2011:

		0000000000
(in thousands)
Remaining 2011	$	215
2012		462
2013		507
2014		557
2015		612
Thereafter		1,221
Total	$	3,574

Principal maturities of debt. The following table summarizes the principal maturities of long-term debt outstanding at June 30, 2011:

(in thousands)
2011	$	-
2012		-
2013		-
2014		-
2015		-
Thereafter		1,739,500
Total	$	1,739,500

Interest expense. The following amounts have been incurred and charged to interest expense for the three and six months ended June 30, 2011 and 2010:

		000000000000		000000000000		000000000000		000000000000
	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Cash payments for interest	$	21,747	$	18,016	$	32,142	$	21,763
Amortization of net original issue discount (premium)		32		95		(82)		187
Amortization of deferred loan origination costs		2,810		1,164		6,353		2,204
Write-off of original issue premium		(8,513)		-		(8,513)		-
Net changes in accruals		5,584		(8,045)		21,493		(1,841)
Interest costs incurred		21,660		11,230		51,393		22,313
Less: capitalized interest		-		(38)		(73)		(56)
Total interest expense	$	21,660	$	11,192	$	51,320	$	22,257

27

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Note K. Commitments and contingencies

Severance agreements. The Company has entered into severance and change in control agreements with all of its senior officers. The current annual salaries for the Company’s officers covered under such agreements total approximately $3.6 million.

Indemnification. The Company has agreed to indemnify its directors and officers, with respect to claims and damages arising from certain acts or omissions taken in such capacity.

Legal actions. The Company is a party to proceedings and claims incidental to its business. While many of these matters involve inherent uncertainty, the Company believes that the amount of the liability, if any, ultimately incurred with respect to any such proceedings or claims will not have a material adverse effect on the Company’s consolidated financial position as a whole or on its liquidity, capital resources or future results of operations. The Company will continue to evaluate proceedings and claims involving the Company on a quarter-by-quarter basis and will establish and adjust any reserves as appropriate to reflect its assessment of the then current status of the matters.

Daywork commitments. The Company periodically enters into contractual arrangements under which the Company is committed to expend funds to drill wells in the future, including agreements to secure drilling rig services, which require the Company to make future minimum payments to the rig operators. The Company records drilling commitments in the periods in which well capital is incurred or rig services are provided. The following table summarizes the Company’s future drilling commitments at June 30, 2011:

		00000000000		00000000000		00000000000		00000000000		00000000000
	Payments Due By Period
(in thousands)	Total		Less than 1 year		1 - 3 years		3 - 5 years		More than         5 years
Daywork drilling contracts with related parties (a)	$	2,769	$	2,769	$	-	$	-	$	-
Other daywork drilling contracts		1,975		1,975		-		-		-
Total contractual drilling commitments	$	4,744	$	4,744	$	-	$	-	$	-

^(a)  Consists of daywork drilling contracts with (i) Silver Oak Drilling, LLC, an affiliate of Chase Oil Corporation (“Chase Oil”), a stockholder of the Company and (ii) a company in which one of the Company's employees owns a 3 percent interest.

28

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Operating leases. The Company leases vehicles, equipment and office facilities under non-cancellable operating leases. Lease payments associated with these operating leases for the three months ended June 30, 2011 and 2010 were approximately $1.2 million and $0.5 million, respectively, and approximately $1.7 million and $1.1 million for the six months ended June 30, 2011 and 2010, respectively.

Future minimum lease commitments under non-cancellable operating leases at June 30, 2011 were as follows:

		0000000000
(in thousands)
Remaining 2011	$	1,896
2012		3,500
2013		2,994
2014		2,476
2015		2,595
Thereafter		1,295
Total	$	14,756

Note L. Income taxes

The Company uses an asset and liability approach for financial accounting and reporting for income taxes. The Company’s objectives of accounting for income taxes are to recognize (i) the amount of taxes payable or refundable for the current year and (ii) deferred tax liabilities and assets for the future tax consequences of events that have been recognized in its financial statements or tax returns. The Company and its subsidiaries file a federal corporate income tax return on a consolidated basis. The tax returns and the amount of taxable income or loss are subject to examination by federal and state taxing authorities.

The Company continually assesses both positive and negative evidence to determine whether it is more likely than not that deferred tax assets can be realized prior to their expiration. Management monitors company-specific, oil and natural gas industry and worldwide economic factors and assesses the likelihood that the Company’s net operating loss carryforwards (“NOLs”) and other deferred tax attributes in the United States, state, and local tax jurisdictions will be utilized prior to their expiration. At June 30, 2011 and December 31, 2010, the Company had no valuation allowances related to its deferred tax assets.

At June 30, 2011, the Company did not have any significant uncertain tax positions requiring recognition in the financial statements. The tax years 2007 through 2010 remain subject to examination by the major tax jurisdictions.

29

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Income tax provision. The Company’s income tax provision and amounts separately allocated were attributable to the following items for the three and six months ended June 30, 2011 and 2010:

		000000000000		000000000000		000000000000		000000000000
	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Income from continuing operations	$	143,270	$	72,220	$	112,801	$	110,983
Income from discontinued operations		-		2,524		56,529		3,701
Changes in stockholders’ equity:
Excess tax benefits related to stock-based compensation		(4,074)		(3,205)		(21,117)		(6,703)
	$	139,196	$	71,539	$	148,213	$	107,981

The Company’s income tax provision attributable to income from continuing operations consisted of the following for the three and six months ended June 30, 2011 and 2010:

		000000000000		000000000000		000000000000		000000000000
	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Current:
U.S. federal	$	3,208	$	393	$	9,552	$	9,753
U.S. state and local		519		487		1,282		1,714
Total current income tax provision		3,727		880		10,834		11,467
Deferred:
U.S. federal		121,452		63,898		88,599		89,049
U.S. state and local		18,091		7,442		13,368		10,467
Total deferred income tax provision		139,543		71,340		101,967		99,516
Total income tax provision attributable to income from continuing operations	$	143,270	$	72,220	$	112,801	$	110,983

The reconciliation between the income tax expense computed by multiplying pretax income from continuing operations by the United States federal statutory rate and the reported amounts of income tax expense from continuing operations is as follows:

		000000000000		000000000000		000000000000		000000000000
	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Income at U.S. federal statutory rate	$	131,409	$	67,203	$	103,730	$	103,636
State income taxes, net of federal tax effect		12,097		5,156		9,523		7,917
Statutory depletion		(144)		46		(186)		(178)
Nondeductible expense & other		(92)		(185)		(266)		(392)
Income tax expense	$	143,270	$	72,220	$	112,801	$	110,983
Effective tax rate		38.2%		37.6%		38.1%		37.5%

30

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

The Company’s income tax provision attributable to income from discontinued operations consisted of the following for the three and six months ended June 30, 2011 and 2010:

		0000000000		0000000000		0000000000		0000000000
	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Current:
U.S. federal	$	-	$	1,234	$	(1,192)	$	2,753
U.S. state and local		-		5		4		11
Total current income tax provision (benefit)		-		1,239		(1,188)		2,764
Deferred:
U.S. federal		-		1,014		50,373		543
U.S. state and local		-		271		7,344		394
Total deferred income tax provision		-		1,285		57,717		937
Total income tax provision attributable to income from discontinued operations	$	-	$	2,524	$	56,529	$	3,701

31

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Note M. Related party transactions

The following tables summarize charges incurred with and payments made to the Company’s related parties and reported in the consolidated statements of operations, as well as outstanding payables and receivables included in the consolidated balance sheets for the periods presented:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Charges incurred with Chase Oil and affiliates (a)	$	15,227	$	422	$	23,722	$	15,507
Working interests owned by employees: (b)
Revenues distributed to employees	$	138	$	93	$	189	$	171
Joint interest payments received from employees	$	186	$	345	$	363	$	575
Overriding royalty interests paid to Chase Oil affiliates (c)	$	622	$	517	$	1,142	$	1,046
Royalty interests paid to a director of the Company (d)	$	33	$	38	$	62	$	79
Amounts paid under consulting agreement with a director (e)	$	60	$	67	$	120	$	130
Amounts paid under daywork drilling contracts (f)	$	3,623	$	-	$	7,328	$	-

	June 30,		December 31,
(in thousands)	2011		2010
Amounts included in accounts receivable - related parties:
Chase Oil and affiliates (a)	$	72	$	115
Working interests owned by employees (b)	$	84	$	54
Amounts included in accounts payable - related parties:
Chase Oil and affiliates (a)	$	-	$	771
Working interests owned by employees (b)	$	21	$	8
Overriding royalty interests of Chase Oil affiliates (c)	$	501	$	407
Royalty interests of a director of the Company (d)	$	12	$	11

(a) The Company incurred charges for services rendered in the ordinary course of business from Chase Oil and its affiliates including a drilling contractor, an oilfield services company, a supply company, a drilling fluids supply company, a pipe and tubing supplier, a fixed base operator of aircraft services and a software company. The Company also operates oil and natural gas wells in which Chase Oil owns a working interest. As such, the Company has outstanding receivables related to these oil and natural gas properties from time to time. The tables above summarize the charges incurred as well as outstanding receivables and payables.

(b) The Company purchased oil and natural gas properties from third parties in which employees of the Company owned a working interest. The tables above summarize the Company’s activities with these employees.

32

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

(c) Certain persons affiliated with Chase Oil own overriding royalty interests in certain of the Company’s properties. The tables above summarize the amounts paid attributable to such interests and amounts due at period end.

(d) Royalties are paid on certain properties, located in Andrews County, Texas, to a partnership of which one of the Company’s directors is the general partner and owns a 3.5 percent partnership interest. The tables above summarize the amounts paid to such partnership and amounts due at period end.

(e) In June 2009, the Company entered into a consulting agreement (the “Consulting Agreement”) with Steven L. Beal, under which Mr. Beal began serving as a consultant to the Company on July 1, 2009. Either the Company or Mr. Beal may terminate the consulting relationship at any time by giving ninety days written notice to the other party; however, the Company may terminate the relationship immediately for cause. During the term of the consulting relationship, Mr. Beal will receive a consulting fee of $20,000 per month and a monthly reimbursement for his medical and dental coverage costs. If Mr. Beal dies during the term of the Consulting Agreement, his estate will receive a $60,000 lump sum payment.

(f) The Company incurred charges for services rendered in the ordinary course of business from a drilling contractor in which one of the Company’s employees owns a 3 percent interest.

Saltwater disposal services agreement. Among the assets the Company acquired from Chase Oil is an undivided interest in a saltwater gathering and disposal system, which is owned and maintained under a written agreement among the Company and Chase Oil and certain of its affiliates, and under which the Company as operator gathers and disposes of produced water. The system is owned jointly by the Company and Chase Oil and its affiliates in undivided ownership percentages, which are annually redetermined as of January 1 on the basis of each party’s percentage contribution of the total volume of produced water disposed of through the system during the prior calendar year. The Company owned 97.5 percent of the system and Chase Oil and its affiliates owned 2.5 percent.

33

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Note N. Discontinued operations

In March 2011, the Company sold its Bakken assets for cash consideration of approximately $195.9 million. The Company recognized a gain on the disposition of assets in discontinued operations of approximately $142.0 million.

In December 2010, the Company sold certain of its non-core Permian Basin assets for cash consideration of approximately $103.3 million. The Company recorded a gain on the disposition of assets in discontinued operations of approximately $29.1 million.

The Company has reflected the results of operations of these two divestitures as discontinued operations, rather than as a component of continuing operations. The following table represents the components of the Company’s discontinued operations for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Operating revenues:
Oil sales	$	-	$	15,135	$	9,456	$	25,072
Natural gas sales		-		1,260		68		4,150
Total operating revenues		-		16,395		9,524		29,222
Operating costs and expenses:
Oil and natural gas production		-		4,006		1,642		7,376
Exploration and abandonments		-		(44)		-		142
Depreciation, depletion and amortization (a)		-		4,490		2,107		8,174
Accretion of discount on asset retirement obligations (a)		-		56		8		115
Impairments of long-lived assets (a)		-		1,203		-		3,567
General and administrative (b)		-		(223)		-		(443)
Total operating costs and expenses		-		9,488		3,757		18,931
Income from operations		-		6,907		5,767		10,291
Other income (expense):
Gain on disposition of assets, net (a)		-		-		141,950		-
Income from discontinued operations before income taxes		-		6,907		147,717		10,291
Income tax benefit (expense):
Current		-		(1,239)		1,188		(2,764)
Deferred (a)		-		(1,285)		(57,717)		(937)
Income from discontinued operations, net of tax	$	-	$	4,383	$	91,188	$	6,590

(a) Represents the significant non-cash components of discontinued operations.

(b) Represents the fees received from third-parties for operating oil and natural gas properties that were sold. The Company reflects these fees as a reduction of general and administrative expenses.

34

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Note O. Net income per share

Basic net income per share is computed by dividing net income applicable to common shareholders by the weighted average number of common shares treated as outstanding for the period.

The computation of diluted income per share reflects the potential dilution that could occur if securities or other contracts to issue common stock that are dilutive to income were exercised or converted into common stock or resulted in the issuance of common stock that would then share in the earnings of the Company. These amounts include unexercised common stock options and restricted stock. Potentially dilutive effects are calculated using the treasury stock method.

The following table is a reconciliation of the basic weighted average common shares outstanding to diluted weighted average common shares outstanding for the three and six months ended June 30, 2011 and 2010:

		0000000000		0000000000		0000000000		0000000000
	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Weighted average common shares outstanding:
Basic		102,569		91,044		102,407		89,944
Dilutive common stock options		575		869		656		916
Dilutive restricted stock		494		384		507		360
Diluted		103,638		92,297		103,570		91,220

The following table is a summary of the common stock options and restricted stock which were not included in the computation of diluted net income per share, as inclusion of these items would be antidilutive:

		0000000000		0000000000		0000000000		0000000000
	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Number of antidilutive common shares:
Anti-dilutive common stock options		-		-		-		1
Anti-dilutive restricted stock		47		2		25		4

35

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Note P. Other current liabilities

The following table provides the components of the Company’s other current liabilities at June 30, 2011 and December 31, 2010:

(in thousands)	June 30, 2011		December 31, 2010
Other current liabilities:
Accrued production costs	$	36,761	$	31,149
Payroll related matters		6,163		13,790
Accrued interest		36,987		15,494
Asset retirement obligations		6,317		7,378
Settlements due on derivative instruments		9,065		7,371
Other		5,157		8,093
Other current liabilities	$	100,450	$	83,275

Note Q. Subsidiary guarantors

All of the Company’s wholly-owned subsidiaries have fully and unconditionally guaranteed the senior notes of the Company (see Note J). In accordance with practices accepted by the United States Securities and Exchange Commission (the “SEC”), the Company has prepared Condensed Consolidating Financial Statements in order to quantify the assets and liabilities, results of operations and cash flows of such subsidiaries as subsidiary guarantors. The following Condensed Consolidating Balance Sheets at June 30, 2011 and December 31, 2010, Condensed Consolidating Statements of Operations for the three and six months ended June 30, 2011 and 2010 and Condensed Consolidating Statements of Cash Flows for the six months ended June 30, 2011 and 2010, present financial information for Concho Resources Inc. as the parent on a stand-alone basis (carrying any investments in subsidiaries under the equity method), financial information for the subsidiary guarantors on a stand-alone basis (carrying any investment in non-guarantor subsidiaries under the equity method), and the consolidation and elimination entries necessary to arrive at the information for the Company on a consolidated basis. All current and deferred income taxes are recorded on Concho Resources Inc., as the subsidiaries are flow-through entities for income tax purposes. The subsidiary guarantors are not restricted from making distributions to the parent company.

36

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Condensed Consolidating Balance Sheet

June 30, 2011

		000000000000		000000000000		000000000000		000000000000
	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
ASSETS
Accounts receivable - related parties	$	4,689,765	$	190,246	$	(4,879,855)	$	156
Other current assets		40,688		397,708		-		438,396
Oil and natural gas properties, net		-		5,398,947		-		5,398,947
Property and equipment, net		-		50,340		-		50,340
Investment in subsidiaries		1,946,903		-		(1,946,903)		-
Other long-term assets		71,453		76,851		-		148,304
Total assets	$	6,748,809	$	6,114,092	$	(6,826,758)	$	6,036,143
LIABILITIES AND EQUITY
Accounts payable - related parties	$	1,271,524	$	3,608,865	$	(4,879,855)	$	534
Other current liabilities		117,678		518,897		-		636,575
Other long-term liabilities		929,320		39,427		-		968,747
Long-term debt		1,735,926		-		-		1,735,926
Equity		2,694,361		1,946,903		(1,946,903)		2,694,361
Total liabilities and equity	$	6,748,809	$	6,114,092	$	(6,826,758)	$	6,036,143

Condensed Consolidating Balance Sheet

December 31, 2010

		000000000000		000000000000		000000000000		000000000000
	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
ASSETS
Accounts receivable - related parties	$	5,532,317	$	534,447	$	(6,066,595)	$	169
Other current assets		51,084		279,380		-		330,464
Oil and natural gas properties, net		-		4,885,740		-		4,885,740
Property and equipment, net		-		28,047		-		28,047
Investment in subsidiaries		1,363,908		-		(1,363,908)		-
Other long-term assets		55,061		69,013		-		124,074
Total assets	$	7,002,370	$	5,796,627	$	(7,430,503)	$	5,368,494
LIABILITIES AND EQUITY
Accounts payable - related parties	$	2,061,777	$	4,006,015	$	(6,066,595)	$	1,197
Other current liabilities		115,662		390,130		-		505,792
Other long-term liabilities		772,536		36,574		-		809,110
Long-term debt		1,668,521		-		-		1,668,521
Equity		2,383,874		1,363,908		(1,363,908)		2,383,874
Total liabilities and equity	$	7,002,370	$	5,796,627	$	(7,430,503)	$	5,368,494

37

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Condensed Consolidating Statement of Operations

Three Months Ended June 30, 2011

		000000000000		000000000000		000000000000		000000000000
	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	446,232	$	-	$	446,232
Total operating costs and expenses		143,175		(190,560)		-		(47,385)
Income from continuing operations		143,175		255,672		-		398,847
Interest expense		(21,660)		-		-		(21,660)
Other, net		253,937		(1,635)		(254,037)		(1,735)
Income from continuing operations before income taxes		375,452		254,037		(254,037)		375,452
Income tax expense		(143,270)		-		-		(143,270)
Net income		232,182		254,037		(254,037)		232,182

Condensed Consolidating Statement of Operations

Three Months Ended June 30, 2010

		000000000000		000000000000		000000000000		000000000000
	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	199,315	$	-	$	199,315
Total operating costs and expenses		109,112		(104,923)		-		4,189
Income from continuing operations		109,112		94,392		-		203,504
Interest expense		(11,192)		-		-		(11,192)
Other, net		100,995		(304)		(100,995)		(304)
Income from continuing operations before income taxes		198,915		94,088		(100,995)		192,008
Income tax expense		(72,220)		-		-		(72,220)
Income from continuing operations		126,695		94,088		(100,995)		119,788
Income from discontinued operations, net of tax		(2,524)		6,907		-		4,383
Net income	$	124,171	$	100,995	$	(100,995)	$	124,171

38

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Condensed Consolidating Statement of Operations

Six Months Ended June 30, 2011

		000000000000		000000000000		000000000000		000000000000
	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	807,072	$	-	$	807,072
Total operating costs and expenses		(87,688)		(369,607)		-		(457,295)
Income (loss) from continuing operations		(87,688)		437,465		-		349,777
Interest expense		(51,320)		-		-		(51,320)
Other, net		583,095		(2,187)		(582,995)		(2,087)
Income from continuing operations before income taxes		444,087		435,278		(582,995)		296,370
Income tax expense		(112,801)		-		-		(112,801)
Income from continuing operations		331,286		435,278		(582,995)		183,569
Income from discontinued operations, net of tax		(56,529)		147,717		-		91,188
Net income	$	274,757	$	582,995	$	(582,995)	$	274,757

Condensed Consolidating Statement of Operations

Six Months Ended June 30, 2010

		000000000000		000000000000		000000000000		000000000000
	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	398,488	$	-	$	398,488
Total operating costs and expenses		125,055		(204,805)		-		(79,750)
Income from continuing operations		125,055		193,683		-		318,738
Interest expense		(22,257)		-		-		(22,257)
Other, net		203,597		(377)		(203,597)		(377)
Income from continuing operations before income taxes		306,395		193,306		(203,597)		296,104
Income tax expense		(110,983)		-		-		(110,983)
Income from continuing operations		195,412		193,306		(203,597)		185,121
Income from discontinued operations, net of tax		(3,701)		10,291		-		6,590
Net income	$	191,711	$	203,597	$	(203,597)	$	191,711

39

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Condensed Consolidating Statement of Cash Flows

Six Months Ended June 30, 2011

		000000000000		000000000000		000000000000		000000000000
	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Net cash flows provided by (used in) operating activities	$	(4,955)	$	490,802	$	-	$	485,847
Net cash flows used in investing activities		(72,787)		(509,161)		-		(581,948)
Net cash flows provided by financing activities		78,071		18,043		-		96,114
Net increase (decrease) in cash and cash equivalents		329		(316)		-		13
Cash and cash equivalents at beginning of period		46		338		-		384
Cash and cash equivalents at end of period	$	375	$	22	$	-	$	397

Condensed Consolidating Statement of Cash Flows

Six Months Ended June 30, 2010

		000000000000		000000000000		000000000000		000000000000
	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Net cash flows provided by (used in) operating activities	$	(17,206)	$	256,736	$	-	$	239,530
Net cash flows used in investing activities		(8,024)		(294,141)		-		(302,165)
Net cash flows provided by financing activities		25,207		34,577		-		59,784
Net decrease in cash and cash equivalents		(23)		(2,828)		-		(2,851)
Cash and cash equivalents at beginning of period		48		3,186		-		3,234
Cash and cash equivalents at end of period	$	25	$	358	$	-	$	383

40

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Note R. Subsequent events

New commodity derivative contracts. In July 2011, the Company entered into the following commodity derivative contracts to hedge additional amounts of its estimated future production:

	Aggregate		Index		Contract
	Volume		Price (a)		Period
Oil (volumes in Bbls):
Price swap		535,000	$	100.66		10/01/11 - 12/31/11
Price swap		1,344,000	$	102.24		01/01/12 - 12/31/12
Price swap		810,000	$	103.66		01/01/13 - 12/31/13

(a) The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

41

Concho Resources Inc.

Condensed Notes to Consolidated Financial Statements

June 30, 2011

Unaudited

Note S. Supplementary information

Capitalized costs

		000000000000		000000000000
	June 30,		December 31,
(in thousands)	2011		2010
Oil and natural gas properties:
Proved	$	5,546,152	$	4,982,316
Unproved		734,402		633,933
Less: accumulated depletion and depreciation		(881,607)		(730,509)
Net capitalized costs for oil and natural gas properties	$	5,398,947	$	4,885,740

Costs incurred for oil and natural gas producing activities ^(a)

		000000000000		000000000000		000000000000		000000000000
	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Property acquisition costs:
Proved	$	3,230	$	3,897	$	69,148	$	13,739
Unproved		18,132		15,673		75,340		21,029
Exploration		181,353		36,434		271,919		61,933
Development		140,768		134,206		334,485		245,912
Total costs incurred for oil and natural gas properties	$	343,483	$	190,210	$	750,892	$	342,613

^(a) The costs incurred for oil and natural gas producing activities includes the following amounts of asset retirement obligations:

		000000000000		000000000000		000000000000		000000000000
	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Proved property acquisition costs	$	-	$	-	$	148	$	-
Exploration costs		320		184		640		252
Development costs		757		776		752		(1,424)
Total	$	1,077	$	960	$	1,540	$	(1,172)

42

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following discussion is intended to assist you in understanding our business and results of operations together with our financial condition. This section should be read in conjunction with our historical consolidated financial statements and notes.

In March 2011, we sold our Bakken assets for cash consideration of approximately $195.9 million and recognized a gain on the disposition of assets (included in discontinued operations) of approximately $142.0 million as discussed in Note N of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited).” For the three months ended March 31, 2011, these assets produced an average of 1,369 barrels of oil equivalents (“Boe”) per day, of which approximately 95 percent was oil.

In December 2010, we sold certain of our non-core Permian Basin assets for cash consideration of approximately $103.3 million and recognized a gain of approximately $29.1 million as discussed in Note N of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited).” For 2010, these assets produced an average of 1,393 Boe per day, of which approximately 46 percent was oil.

In October 2010, we closed the Marbob and Settlement Acquisitions, as discussed in Note D of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited).” The results of these acquisitions are included in our results of operations for periods after their respective closing dates in October 2010. As a result, many comparisons between periods will be difficult.

Certain statements in our discussion below are forward-looking statements. These forward-looking statements involve risks and uncertainties. We caution that a number of factors could cause actual results to differ materially from these implied or expressed by the forward-looking statements. Please see “Cautionary Statement Regarding Forward-Looking Statements.”

Overview

We are an independent oil and natural gas company engaged in the acquisition, development and exploration of oil and natural gas properties. Our core operations are primarily focused in the Permian Basin of Southeast New Mexico and West Texas. We refer to our three core operating areas as the (i) New Mexico Shelf, where we primarily target the Yeso and Lower Abo formations, (ii) Delaware Basin, where we primarily target the Bone Spring formation, and (iii) Texas Permian, where we primarily target the Wolfberry, a term applied to the combined Wolfcamp and Spraberry horizons. Oil comprised 65 percent of our 323.5 million barrels of oil equivalents (“MMBoe”) of estimated proved reserves at December 31, 2010 and 62 percent of our 10.8 MMBoe of production for the six months ended June 30, 2011. We seek to operate the wells in which we own an interest, and we operated wells that accounted for 92.3 percent of our proved developed producing PV-10 and 69.8 percent of our 5,196 gross wells at December 31, 2010. By controlling operations, we are able to more effectively manage the cost and timing of exploration and development of our properties, including the drilling and stimulation methods used.

Financial and Operating Performance

Our financial and operating performance for the six months ended June 30, 2011, as compared to the six months ended June 30, 2010, included the following:

• Net income was $274.8 million ($2.65 per diluted share) for the first six months of 2011, as compared to $191.7 million ($2.10 per diluted share) during the first six months of 2010. The increase in earnings is primarily due to:

n $408.6 million increase in oil and natural gas revenues primarily as a result of a 74 percent increase in production from continuing operations due to (i) the Marbob and Settlement Acquisitions and (ii) new wells that were successfully drilled and completed in 2010 and 2011;

n $142.0 million gain from the divestiture of our Bakken assets in the first quarter of 2011, included in discontinued operations; partially offset by,

Ø a $63.5 million increase in oil and natural gas production costs during the first six months of 2011, due in part to the increase in (i) the number of new wells that were successfully drilled and completed in 2010 and 2011, (ii) the Marbob and Settlement Acquisitions and (iii) oil and natural gas revenues in 2011, which directly increased our oil and natural gas production taxes;

43

Ø an $89.4 million increase in depreciation, depletion and amortization during the first six months of 2011, primarily due to capitalized costs associated with new wells that were successfully drilled and completed in 2010 and 2011 and the Marbob and Settlement Acquisitions, offset in part by the increase in the oil and natural gas prices between the periods utilized to determine proved reserves;

Ø an $88.3 million net loss on derivatives not designated as hedges during the first six months of 2011, as compared to a $128.3 million net gain on derivatives not designated as hedges during the first six months of 2010, primarily the result of decreases in the forward looking commodity prices; and

Ø a $29.1 million increase in interest expense due to (i) increased average debt levels during 2011 compared to 2010, primarily related to the Marbob and Settlement Acquisitions, and (ii) an increase in our overall interest rate, primarily from the higher interest rates on our various issues of senior notes as compared to interest rates on borrowings on our credit facility.

• Average daily sales volumes from continuing operations increased by 74 percent, from 33,979 Boe per day during the first six months of 2010 to 58,995 Boe per day during the six months of 2011. The increase is primarily attributable to (i) the Marbob and Settlement Acquisitions and (ii) our successful drilling efforts during 2010 and 2011, partially offset by interruptions in production during the first quarter of 2011 and asset divestitures.

• Long-term debt increased by $67.4 million from December 31, 2010 to June 30, 2011.

• At June 30, 2011, our availability under our credit facility was approximately $1.8 billion.

Commodity Prices

Our results of operations are heavily influenced by commodity prices. Factors that may impact future commodity prices, including the price of oil and natural gas, include:

• developments generally impacting the Middle East, including Iraq and Iran;

• the extent to which members of the Organization of Petroleum Exporting Countries and other oil exporting nations are able to continue to manage oil supply through export quotas;

• the overall global demand for oil; and

• the overall North American natural gas supply and demand fundamentals, including:

n the United States economy,

n weather conditions, and

n liquefied natural gas deliveries to the United States.

Although we cannot predict the occurrence of events that may affect future commodity prices or the degree to which these prices will be affected, the prices for any commodity that we produce will generally approximate current market prices in the geographic region of the production. From time to time, we expect that we may use derivative financial instruments to economically hedge a portion of our commodity price risk to mitigate the impact of price volatility on our business. See Note I of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited)” for additional information regarding our commodity hedge position at June 30, 2011.

44

Oil and natural gas prices have been subject to significant fluctuations during the past several years. In general, oil prices were higher during the comparable periods of 2011 measured against 2010, while natural gas prices were relatively consistent. The following table sets forth the average NYMEX oil and natural gas prices for the three and six months ended June 30, 2011 and 2010, as well as the high and low NYMEX prices for the same periods:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2011		2010		2011		2010
Average NYMEX prices:
Oil (Bbl)	$	102.58	$	78.12	$	98.44	$	78.36
Natural gas (MMBtu)	$	4.38	$	4.35	$	4.29	$	4.69
High and Low NYMEX prices:
Oil (Bbl):
High	$	113.93	$	86.84	$	113.93	$	86.84
Low	$	90.61	$	68.01	$	84.32	$	68.01
Natural gas (MMBtu):
High	$	4.85	$	5.19	$	4.85	$	6.01
Low	$	4.04	$	3.91	$	3.78	$	3.84

Further, the NYMEX oil price and NYMEX natural gas price reached highs and lows of $99.87 and $94.89 per Bbl and $4.55 and $4.13 per MMBtu, respectively, during the period from June 30, 2011 to August 1, 2011. At August 1, 2011, the NYMEX oil price and NYMEX natural gas price were $94.89 per Bbl and $4.19 per MMBtu, respectively.

Recent Events

Credit facility amendment. On April 25, 2011, we amended our credit facility to (i) extend the maturity date by approximately three years to April 2016, (ii) increase the borrowing base from $2.0 billion to $2.5 billion, but kept our commitments from our bank group at $2.0 billion and (iii) provide us with the ability to issue up to an additional $1.0 billion in senior notes with no adjustment to our borrowing base if the notes are issued prior to May 2012. We paid our bank group approximately $11.5 million associated with the amendment to increase the borrowing base. At June 30, 2011, we had borrowings outstanding under our credit facility of approximately $0.2 billion, and our availability under our credit facility was approximately $1.8 billion.

Senior notes issuance. In May 2011, we issued $600 million in principal amount of 6.5% unsecured senior notes due 2022 and we received net proceeds of approximately $587.1 million. We used the net proceeds to repay a portion of the borrowings under our credit facility, which increased our liquidity for future activities.

Bakken divestiture. In March 2011, we sold our Bakken assets for cash consideration of approximately $195.9 million and recognized a gain on the disposition of assets (included in discontinued operations) of approximately $142.0 million. For 2011, these assets produced an average of 1,369 Boe per day, of which approximately 95 percent was oil. The proved reserves of these assets were approximately 8.2 MMBoe at closing.

2011 capital budget. In November 2010, we announced our 2011 capital budget of approximately $1.1 billion. In May 2011, we increased our expected 2011 capital expenditures to total approximately $1.35 billion (which does not include the costs of acquisitions other than customary leasehold purchases of acreage). The increase was a result of (i) additional drilling of wells in the Delaware Basin, (ii) incremental drilling on Wolfberry assets acquired in the first quarter of 2011, (iii) additional planned expenditures on acquisition of customary leasehold acquisitions and (iv) inflation of service costs, primarily completion costs. Cost inflation is being experienced industry wide and particularly in the Permian Basin due to the increased activity levels. Based on current commodity prices and our expectation, we believe our 2011 planned capital expenditures, excluding the effects of acquisitions, will exceed our 2011 cash flow. As our size and financial flexibility have grown, we now take a longer-term view on spending substantially within our cash flow, and our spending during any specific period may exceed our cash flow for that period. However, our capital budget is largely discretionary, and if we experience sustained oil and natural gas prices significantly below the current levels or substantial increases in our costs, we may reduce our capital spending program to be substantially within our cash flow.

45

Our capital budget does not include acquisitions (other than the customary purchase of leasehold acreage). The following is a summary of our 2011 capital expenditure plans:

	2011
	Planned
(in millions)	Expenditures
Core Operating Areas:
New Mexico Shelf	$	644
Delaware Basin		252
Texas Permian		276
Acquisition of leasehold acreage, geological and geophysical and other		75	(a)
Facilities and other capital in our core operating areas		100
Total	$	1,347

(a) Excludes approximately $98.4 million of acquisitions of producing oil and natural gas assets we acquired in the first six months of 2011. We do not budget for these types of acquisitions.

Short-term interruptions in production. During February 2011, we experienced interruptions in production on most of our properties located in the Permian Basin due to sustained sub-freezing temperatures which caused operational problems with third party natural gas processing plants and the operational effectiveness of our well equipment. We estimate that these interruptions reduced our first quarter 2011 production by approximately 350 to 400 MBoe.

Derivative Financial Instruments

Derivative financial instrument exposure. At June 30, 2011, the fair value of our financial derivatives was a net liability of $152.5 million. All of our counterparties to these financial derivatives are parties to our credit facility and have their outstanding debt commitments and derivative exposures collateralized pursuant to our credit facility. Under the terms of our financial derivative instruments and their collateralization under our credit facility, we do not have exposure to potential “margin calls” on our financial derivative instruments. We currently have no reason to believe that our counterparties to these derivative contracts are not financially viable. Our credit facility does not allow us to offset amounts we may owe a lender against amounts we may be owed related to our financial instruments with such party.

46

New commodity derivative contracts. During the six months ended June 30, 2011, we entered into additional commodity derivative contracts to hedge a portion of our estimated future production. The following table summarizes information about these additional commodity derivative contracts for the six months ended June 30, 2011. When aggregating multiple contracts, the weighted average contract price is disclosed.

	Aggregate		Index		Contract
	Volume		Price (a)		Period
Oil (volumes in Bbls):
Price swap		115,000	$	96.65		03/01/11 - 11/30/11
Price swap		200,000	$	97.20		03/01/11 - 12/31/11
Price swap		190,000	$	111.41		05/01/11 - 07/31/11
Price swap		736,000	$	110.21		05/01/11 - 12/31/11
Price swap		66,000	$	111.80		08/01/11 - 11/30/11
Price swap		45,000	$	99.35		01/01/12 - 03/31/12
Price swap		176,000	$	110.34		01/01/12 - 11/30/12
Price swap		900,000	$	106.20		01/01/12 - 12/31/12
Price swap		555,000	$	99.00		07/01/12 - 12/31/12
Price swap		2,844,000	$	100.73		01/01/13 - 12/31/13

(a) The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

In July 2011, we entered into the following commodity derivative contracts to hedge additional amounts of our estimated future production:

	Aggregate		Index		Contract
	Volume		Price (a)		Period
Oil (volumes in Bbls):
Price swap		535,000	$	100.66		10/01/11 - 12/31/11
Price swap		1,344,000	$	102.24		01/01/12 - 12/31/12
Price swap		810,000	$	103.66		01/01/13 - 12/31/13

(a) The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

47

Results of Operations

The following table sets forth summary information from our continuing operations concerning our production and operating data for the three and six months ended June 30, 2011 and 2010. The data in this table excludes results from the Marbob and Settlement Acquisitions for periods prior to their respective closing dates in October 2010. Also, the table below excludes production and operating data that we have classified as discontinued operations, which is more fully described in Note N of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited).”

		00000000		00000000		00000000		00000000
	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2011		2010		2011		2010
Production and operating data:
Net production volumes:
Oil (MBbl)		3,522		2,123		6,632		4,153
Natural gas (MMcf)		12,307		6,266		24,277		11,983
Total (MBoe)		5,573		3,167		10,678		6,150
Average daily production volumes:
Oil (Bbl)		38,703		23,330		36,641		22,945
Natural gas (Mcf)		135,242		68,857		134,127		66,204
Total (Boe)		61,244		34,806		58,995		33,979
Average prices:
Oil, without derivatives (Bbl)	$	97.32	$	75.03	$	94.27	$	75.15
Oil, with derivatives (Bbl) (a)	$	83.57	$	73.69	$	82.11	$	72.02
Natural gas, without derivatives (Mcf)	$	8.41	$	6.39	$	7.49	$	7.21
Natural gas, with derivatives (Mcf) (a)	$	8.90	$	7.28	$	7.95	$	7.72
Total, without derivatives (Boe)	$	80.07	$	62.93	$	75.58	$	64.79
Total, with derivatives (Boe) (a)	$	72.48	$	63.81	$	69.08	$	63.68
Operating costs and expenses per Boe:
Lease operating expenses and workover costs	$	5.97	$	6.52	$	6.31	$	6.06
Oil and natural gas taxes	$	6.51	$	4.99	$	6.17	$	5.29
Depreciation, depletion and amortization	$	17.74	$	15.66	$	17.72	$	16.22
General and administrative	$	4.06	$	5.61	$	4.12	$	5.13

(a) Includes the effect of the cash settlements received from (paid on) commodity derivatives not designated as hedges and reported in operating costs and expenses. The following table reflects the amounts of cash settlements received from (paid on) commodity derivatives not designated as hedges that were included in computing average prices with derivatives and reconciles to the amount in gain (loss) on derivatives not designated as hedges as reported in the consolidated statements of operations:

		0000000000		0000000000		0000000000		0000000000
	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Gain (loss) on derivatives not designated as hedges:
Cash payments on oil derivatives	$	(48,398)	$	(2,852)	$	(80,628)	$	(12,985)
Cash receipts from natural gas derivatives		6,076		5,614		11,205		6,120
Cash payments on interest rate derivatives		(5,429)		(1,221)		(6,624)		(2,434)
Unrealized mark-to-market gain (loss) on commodity and interest rate derivatives		192,633		111,222		(12,213)		137,635
Gain (loss) on derivatives not designated as hedges	$	144,882	$	112,763	$	(88,260)	$	128,336

The presentation of average prices with derivatives is a non-GAAP measure as a result of including the cash payments on/receipts from commodity derivatives that are presented in gain (loss) on derivatives not designated as hedges in the statements of operations. This presentation of average prices with derivatives is a means by which to reflect the actual cash performance of our commodity derivatives for the respective periods and presents oil and natural gas prices with derivatives in a manner consistent with the presentation generally used by the investment community.

48

The following table sets forth summary production and operating data from our discontinued operations for the three and six months ended June 30, 2011 and 2010. The discontinued operations presentation is the result of reclassifying the results of operations from the divestitures of our non-core Permian Basin assets in December 2010 and our Bakken assets in March 2011, which are more fully described in Note N of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited).”

		000000		000000			000000		000000
	Three Months Ended					Six Months Ended
	June 30,					June 30,
	2011		2010			2011		2010
Production and operating data:
Net production volumes:
Oil (MBbl)		-		214			117		354
Natural gas (MMcf)		-		426			37		950
Total (MBoe)		-		285			123		512
Average daily production volumes:
Oil (Bbl)		-		2,352			646		1,956
Natural gas (Mcf)		-		4,681			204		5,249
Total (Boe)		-		3,132			680		2,831
Average prices:
Oil, without derivatives (Bbl)	$	-	$	70.72		$	80.82	$	70.82
Oil, with derivatives (Bbl) (a)	$	-	$	70.72		$	80.82	$	70.82
Natural gas, without derivatives (Mcf)	$	-	$	2.96		$	1.84	$	4.37
Natural gas, with derivatives (Mcf) (a)	$	-	$	2.96		$	1.84	$	4.37
Total, without derivatives (Boe)	$	-	$	57.53		$	77.43	$	57.07
Total, with derivatives (Boe) (a)	$	-	$	57.53		$	77.43	$	57.07
Operating costs and expenses per Boe:
Lease operating expenses and workover costs	$	-	$	8.80		$	3.85	$	9.10
Oil and natural gas taxes	$	-	$	5.25		$	9.50	$	5.31
Depreciation, depletion and amortization	$	-	$	15.75		$	17.13	$	15.96
General and administrative	$	-	$	(0.78	) (b)	$	-	$	(0.87	) (b)

  (a) None of our derivatives not designated as hedges related to discontinued operations.

  (b) Represents the fees received from third-parties for operating oil and natural gas properties that were sold. We reflect these fees as a reduction of general and administrative expenses.

49

Three Months Ended June 30, 2011 Compared to Three Months Ended June 30, 2010

Oil and natural gas revenues. Revenue from oil and natural gas operations was $446.2 million for the three months ended June 30, 2011, an increase of $246.9 million (124 percent) from $199.3 million for the three months ended June 30, 2010. This increase was primarily due to (i) increases in realized oil and natural gas prices, (ii) increased production as a result of the Marbob and Settlement Acquisitions and (iii) successful drilling efforts during 2010 and 2011. Specifics include the following:

• the average realized oil price (excluding the effects of derivative activities) was $97.32 per Bbl during the three months ended June 30, 2011, an increase of 30 percent from $75.03 per Bbl during the three months ended June 30, 2010;

• total oil production was 3,522 MBbl for the three months ended June 30, 2011, an increase of 1,399 MBbl (66 percent) from 2,123 MBbl for the three months ended June 30, 2010;

• the average realized natural gas price (excluding the effects of derivative activities) was $8.41 per Mcf during the three months ended June 30, 2011, an increase of 32 percent from $6.39 per Mcf during the three months ended June 30, 2010. Our natural gas prices have been significantly higher than the related NYMEX prices primarily due to the value of the natural gas liquids in our liquids-rich natural gas stream; and

• total natural gas production was 12,307 MMcf for the three months ended March 31, 2011, an increase of 6,041 MMcf (96 percent) from 6,266 MMcf for the three months ended June 30, 2010.

Production expenses. The following table provides the components of our total oil and natural gas production costs for the three months ended June 30, 2011 and 2010:

		000000000		000000000		000000000		000000000
	Three Months Ended June 30,
	2011				2010
			Per				Per
(in thousands, except per unit amounts)	Amount		Boe		Amount		Boe
Lease operating expenses	$	32,549	$	5.84	$	17,832	$	5.63
Taxes:
Ad valorem		2,676		0.48		1,990		0.63
Production		33,611		6.03		13,805		4.36
Workover costs		741		0.13		2,815		0.89
Total oil and natural gas production expenses	$	69,577	$	12.48	$	36,442	$	11.51

Among the cost components of production expenses, in general, we have some control over lease operating expenses and workover costs on properties we operate, but production and ad valorem taxes are directly related to commodity price changes.

Lease operating expenses were $32.5 million ($5.84 per Boe) for the three months ended June 30, 2011, an increase of $14.7 million (83 percent) from $17.8 million ($5.63 per Boe) for the three months ended June 30, 2010. The increase in lease operating expenses was primarily due to (i) our wells successfully drilled and completed in 2010 and 2011 and (ii) the Marbob and Settlement Acquisitions which closed in October 2010. The increase in lease operating expenses per Boe was primarily due to cost increases in services and supplies primarily related to increase in commodity prices offset in part by additional production from our wells successfully drilled and completed in 2010 and 2011 where we are receiving benefits from economies of scale.

Ad valorem taxes have increased primarily as a result of increased valuations of our Texas properties and the increase in our number of wells primarily associated with 2010 and 2011 drilling activity in Texas.

Production taxes per unit of production were $6.03 per Boe during the three months ended June 30, 2011, an increase of 38 percent from $4.36 per Boe during the three months ended June 30, 2010. The increase was directly related to our increased revenues. Over the same period, our per Boe commodity prices (excluding the effects of derivatives) increased 27 percent.

50

Workover expenses were approximately $0.7 million and $2.8 million for the three months ended June 30, 2011 and 2010, respectively. The 2011 amounts related primarily to workovers in the Texas Permian area, while the 2010 amounts related primarily to activity in both the Texas Permian and New Mexico Shelf areas performed to increase production.

Exploration and abandonments expense. The following table provides a breakdown of our exploration and abandonments expense for the three months ended June 30, 2011 and 2010:

		000000000000		000000000000
	Three Months Ended June 30,
(in thousands)	2011		2010
Geological and geophysical	$	370	$	551
Exploratory dry holes		-		53
Leasehold abandonments and other		30		318
Total exploration and abandonments	$	400	$	922

Our geological and geophysical expense, which primarily consists of the costs of acquiring and processing seismic data, geophysical data and core analysis, was $0.4 million and $0.6 million for the three months ended June 30, 2011 and 2010, respectively.

Depreciation, depletion and amortization expense. The following table provides components of our depreciation, depletion and amortization expense for the three months ended June 30, 2011 and 2010:

		0000000000		0000000000		0000000000		0000000000
	Three Months Ended June 30,
	2011				2010
			Per				Per
(in thousands, except per unit amounts)	Amount		Boe		Amount		Boe
Depletion of proved oil and natural gas properties	$	97,298	$	17.46	$	48,511	$	15.32
Depreciation of other property and equipment		1,196		0.21		713		0.23
Amortization of intangible asset  -  operating rights		387		0.07		387		0.11
Total depletion, depreciation and amortization	$	98,881	$	17.74	$	49,611	$	15.66
Oil price used to estimate proved oil reserves at period end	$	86.60			$	72.23
Natural gas price used to estimate proved natural gas reserves at period end	$	4.21			$	4.10

Depletion of proved oil and natural gas properties was $97.3 million ($17.46 per Boe) for the three months ended June 30, 2011, an increase of $48.8 million (101 percent) from $48.5 million ($15.32 per Boe) for the three months ended June 30, 2010. The increase in depletion expense was primarily due to capitalized costs associated with new wells that were successfully drilled and completed in 2010 and 2011 and the Marbob and Settlement Acquisitions, and was offset in part by the increase in the oil and natural gas prices between the periods utilized to determine proved reserves.

The amortization of the intangible asset is a result of the value assigned to the operating rights that we acquired in the July 2008 acquisition of Henry Petroleum LP and certain entities and individuals affiliated with Henry Petroleum LP (collectively the “Henry Entities”). The intangible asset is currently being amortized over an estimated life of 25 years.

Impairment of long-lived assets. We periodically review our long-lived assets to be held and used, including proved oil and natural gas properties accounted for under the successful efforts method of accounting. Due primarily to downward adjustments to the economically recoverable proved reserves associated with declines in well performance, we recognized a non-cash charge against earnings of approximately $0.1 million and $3.5 million during the three months ended June 30, 2011 and 2010, respectively, which were primarily attributable to natural gas related properties in our New Mexico Shelf area.

51

General and administrative expenses. The following table provides components of our general and administrative expenses for the three months ended June 30, 2011 and 2010:

		000000000		000000000		000000000		000000000
	Three Months Ended June 30,
	2011				2010
			Per				Per
(in thousands, except per unit amounts)	Amount		Boe		Amount		Boe
General and administrative expenses  -  recurring	$	21,021	$	3.77	$	15,875	$	5.02
Non-recurring bonus paid to Henry Entities’ employees		-		-		2,470		0.78
Non-cash stock-based compensation		4,725		0.85		2,871		0.90
Less: Third-party operating fee reimbursements		(3,128)		(0.56)		(3,455)		(1.09)
Total general and administrative expenses	$	22,618	$	4.06	$	17,761	$	5.61

General and administrative expenses were $22.6 million ($4.06 per Boe) for the three months ended June 30, 2011, an increase of $4.8 million (27 percent) from $17.8 million ($5.61 per Boe) for the three months ended June 30, 2010. The increase in general and administrative expenses was primarily due to an increase in (i) non-cash stock-based compensation expense for stock-based compensation awards and (ii) the number of employees and related personnel expenses to handle our increased activities, partially offset by an absence of a non-recurring bonus due to the former Henry Entities’ employees during the three months ended June 30, 2011. The decrease in total general and administrative expenses per Boe was primarily due to increased production associated with (i) additional production from our wells successfully drilled and completed in 2010 and 2011 and (ii) additional production from our Marbob and Settlement Acquisitions for which we added an incremental number of administrative personnel.

In connection with the Henry Entities acquisition in July 2008, we agreed to pay certain of the Henry Entities’ former employees a predetermined bonus amount, in addition to the compensation we pay these employees, at each of the first and second anniversaries of the closing of the acquisition. Since these employees earned this bonus over the two years following the acquisition and it is outside of our control, we are reflecting the cost in our general and administrative costs as non-recurring. The final payment of the Henry Entities bonuses occurred in July 2010.

As the operator of certain oil and natural gas properties in which we own an interest, we earn overhead reimbursements during the drilling and production phases of the property. As we drill more wells in which we own a higher working interest, these reimbursements could decrease over time. We earned reimbursements of $3.1 million and $3.5 million during the three months ended June 30, 2011 and 2010, respectively. This reimbursement is reflected as a reduction of general and administrative expenses in the consolidated statements of operations.

52

Gain on derivatives not designated as hedges. The following table sets forth the cash settlements and the non-cash mark-to-market adjustments for the derivative contracts not designated as hedges for the three months ended June 30, 2011 and 2010:

		000000000000		000000000000
	Three Months Ended
	June 30,
(in thousands)	2011		2010
Cash payments (receipts):
Commodity derivatives  -  oil	$	48,398	$	2,852
Commodity derivatives  -  natural gas		(6,076)		(5,614)
Financial derivatives  -  interest		5,429		1,221
Mark-to-market (gain) loss:
Commodity derivatives  -  oil		(192,566)		(119,303)
Commodity derivatives  -  natural gas		4,802		6,509
Financial derivatives  -  interest		(4,869)		1,572
Gain on derivatives not designated as hedges	$	(144,882)	$	(112,763)

Interest expense. The following table sets forth interest expense, weighted average interest rates and weighted average debt balances for the three months ended June 30, 2011 and 2010:

		0000000000		0000000000
	Three Months Ended
	June 30,
(dollars in thousands)	2011		2010
Interest expense	$	21,660	$	11,192
Weighted average cash interest rate		5.9%		5.4%
Weighted average debt balance	$	1,740,117	$	663,385

The increase in weighted average debt balance during the three months ended June 30, 2011 was due primarily to borrowings in October 2010 to fund the cash consideration for the Marbob and Settlement Acquisitions. The increase in interest expense is due to (i) an increase in the weighted average debt balance between periods, (ii) an increase in amortization of capitalized loan costs, primarily associated with the financing costs of the Marbob Acquisition, (iii) the December 2010 issuance of senior notes due 2021 and (iv) the May 2011 issuance of senior notes due 2022 partially offset by an $8.5 million benefit from the remaining original issue premium on the 8% unsecured senior note paid in full to Marbob in May 2011. The increase in the weighted average cash interest rate is primarily due to the issuance of our senior notes.

Income tax provisions. We recorded an income tax expense from continuing operations of $143.3 million and $72.2 million for the three months ended June 30, 2011 and 2010, respectively. The effective income tax rate for the three months ended June 30, 2011 and 2010 was 38.2 percent and 37.6 percent, respectively.

53

Income from discontinued operations, net of tax. We made the following divestitures:

	Asset Group
	Permian Basin	Bakken
(dollars in millions)	Assets	Assets
Date divested	December 2010	March 2011
Net proceeds	$              103.3	$            195.9
Gain on sale of assets	$                29.1	$            142.0

As a result, we have reflected the results of operations of these divested assets as discontinued operations, rather than as a component of continuing operations. See Note N of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited)” for additional information regarding these divestitures and their discontinued operations. We recognized income from discontinued operations of $4.4 million for the three months ended June 30, 2010. There was no activity related to the divested assets during the three months ended June 30, 2011.

54

Six Months Ended June 30, 2011 Compared to Six Months Ended June 30, 2010

Oil and natural gas revenues. Revenue from oil and natural gas operations was $807.1 million for the six months ended June 30, 2011, an increase of $408.6 million (103 percent) from $398.5 million for the six months ended June 30, 2010. This increase was primarily due to (i) increases in realized oil and natural gas prices, (ii) increased production as a result of the Marbob and Settlement Acquisitions and (iii) due to successful drilling efforts during 2010 and 2011, partially offset by the previously discussed production interruptions due to weather in February 2011. Specifics include the following:

• the average realized oil price (excluding the effects of derivative activities) was $94.27 per Bbl during the six months ended June 30, 2011, an increase of 25 percent from $75.15 per Bbl during the six months ended June 30, 2010;

• total oil production was 6,632 MBbl for the six months ended June 30, 2011, an increase of 2,479 MBbl (60 percent) from 4,153 MBbl for the six months ended June 30, 2010;

• the average realized natural gas price (excluding the effects of derivative activities) was $7.49 per Mcf during the six months ended June 30, 2011, an increase of 4 percent from $7.21 per Mcf during the six months ended June 30, 2010. Our natural gas prices have been significantly higher than the related NYMEX prices primarily due to the value of the natural gas liquids in our liquids-rich natural gas stream; and

• total natural gas production was 24,277 MMcf for the six months ended June 30, 2011, an increase of 12,294 MMcf (103 percent) from 11,983 MMcf for the six months ended June 30, 2010.

Production expenses. The following table provides the components of our total oil and natural gas production costs for the six months ended June 30, 2011 and 2010:

		00000000		00000000		00000000		00000000
	Six Months Ended June 30,
	2011				2010
			Per				Per
(in thousands, except per unit amounts)	Amount		Boe		Amount		Boe
Lease operating expenses	$	66,462	$	6.23	$	34,058	$	5.54
Taxes:
Ad valorem		5,342		0.50		4,527		0.74
Production		60,563		5.67		28,001		4.55
Workover costs		868		0.08		3,186		0.52
Total oil and natural gas production expenses	$	133,235	$	12.48	$	69,772	$	11.35

Among the cost components of production expenses, in general, we have some control over lease operating expenses and workover costs on properties we operate, but production and ad valorem taxes are directly related to commodity price changes.

Lease operating expenses were $66.5 million ($6.23 per Boe) for the six months ended June 30, 2011, an increase of $32.4 million (95 percent) from $34.1 million ($5.54 per Boe) for the six months ended June 30, 2010. The increase in lease operating expenses was primarily due to (i) our wells successfully drilled and completed in 2010 and 2011, (ii) the Marbob and Settlement Acquisitions which closed in October 2010 and (iii) to a lesser extent, our under accrual of estimated costs at December 31, 2010 of approximately $4.3 million ($0.40 per Boe). The increase in lease operating expenses per Boe was primarily due to (i) cost increases in services and supplies primarily related to increase in commodity prices, (ii) the effect of the previously discussed under accrual of estimated costs, offset in part by additional production from our wells successfully drilled and completed in 2010 and 2011 where we are receiving benefits from economies of scale.

Ad valorem taxes have increased primarily as a result of increased valuations of our Texas properties and the increase in our number of wells primarily associated with 2010 and 2011 drilling activity in Texas.

55

Production taxes per unit of production were $5.67 per Boe during the six months ended June 30, 2011, an increase of 25 percent from $4.55 per Boe during the six months ended June 30, 2010. The increase was directly related to our increased revenues. Over the same period, our per Boe commodity prices (excluding the effects of derivatives) increased 17 percent.

Workover expenses were approximately $0.9 million and $3.2 million for the six months ended June 30, 2011 and 2010, respectively. The 2011 amounts related primarily to workovers in the Texas Permian area, while the 2010 amounts related primarily to activity in both the Texas Permian and New Mexico Shelf areas performed to increase production.

Exploration and abandonments expense. The following table provides a breakdown of our exploration and abandonments expense for the six months ended June 30, 2011 and 2010:

		00000000		00000000
	Six Months Ended June 30,
(in thousands)	2011		2010
Geological and geophysical	$	958	$	1,212
Exploratory dry holes		12		92
Leasehold abandonments and other		156		727
Total exploration and abandonments	$	1,126	$	2,031

Our geological and geophysical expense, which primarily consists of the costs of acquiring and processing seismic data, geophysical data and core analysis, was $1.0 million and $1.2 million for the six months ended June 30, 2011 and 2010, respectively.

Depreciation, depletion and amortization expense. The following table provides components of our depreciation, depletion and amortization expense for the six months ended June 30, 2011 and 2010:

		00000000		00000000		00000000		00000000
	Six Months Ended June 30,
	2011				2010
			Per				Per
(in thousands, except per unit amounts)	Amount		Boe		Amount		Boe
Depletion of proved oil and natural gas properties	$	186,241	$	17.44	$	97,594	$	15.87
Depreciation of other property and equipment		2,154		0.20		1,402		0.23
Amortization of intangible asset - operating rights		774		0.08		774		0.12
Total depletion, depreciation and amortization	$	189,169	$	17.72	$	99,770	$	16.22
Oil price used to estimate proved oil reserves at period end	$	86.60			$	72.23
Natural gas price used to estimate proved natural gas reserves at period end	$	4.21			$	4.10

Depletion of proved oil and natural gas properties was $186.2 million ($17.44 per Boe) for the six months ended June 30, 2011, an increase of $88.6 million (91 percent) from $97.6 million ($15.87 per Boe) for the six months ended June, 2010. The increase in depletion expense was primarily due to capitalized costs associated with new wells that were successfully drilled and completed in 2010 and 2011 and the Marbob and Settlement Acquisitions, and was offset in part by the increase in the oil and natural gas prices between the periods utilized to determine proved reserves.

The amortization of the intangible asset is a result of the value assigned to the operating rights that we acquired in the July 2008 acquisition of the Henry Entities. The intangible asset is currently being amortized over an estimated life of 25 years.

Impairment of long-lived assets. We periodically review our long-lived assets to be held and used, including proved oil and natural gas properties accounted for under the successful efforts method of accounting. Due primarily to downward adjustments to the economically recoverable proved reserves associated with declines in well performance, we recognized a non-cash charge against earnings of approximately $0.1 million and $3.7 million during the six months ended June 30, 2011 and 2010, respectively, which was primarily attributable to natural gas related properties in our New Mexico Shelf area.

56

General and administrative expenses. The following table provides components of our general and administrative expenses for the six months ended June 30, 2011 and 2010:

		00000000		00000000		00000000		00000000
	Six Months Ended June 30,
	2011				2010
			Per				Per
(in thousands, except per unit amounts)	Amount		Boe		Amount		Boe
General and administrative expenses - recurring	$	40,532	$	3.80	$	26,996	$	4.39
Non-recurring bonus paid to Henry Entities’ employees		-		-		4,938		0.80
Non-cash stock-based compensation		9,193		0.86		5,702		0.93
Less: Third-party operating fee reimbursements		(5,715)		(0.54)		(6,097)		(0.99)
Total general and administrative expenses	$	44,010		4.12	$	31,539	$	5.13

General and administrative expenses were $44.0 million ($4.12 per Boe) for the six months ended June 30, 2011, an increase of $12.5 million (40 percent) from $31.5 million ($5.13 per Boe) for the six months ended June 30, 2010. The increase in general and administrative expenses was primarily due to an increase in (i) non-cash stock-based compensation expense for stock-based compensation awards and (ii) the number of employees and related personnel expenses to handle our increased activities, partially offset by the absence of a non-recurring bonus due to the former Henry Entities’ employees during the six months ended June 30, 2011. The decrease in total general and administrative expenses per Boe was primarily due to increased production associated with (i) additional production from our wells successfully drilled and completed in 2010 and 2011 and (ii) additional production from our Marbob and Settlement Acquisitions for which we added an incremental number of administrative personnel.

In connection with the Henry Entities acquisition in July 2008, we agreed to pay certain of the Henry Entities’ former employees a predetermined bonus amount, in addition to the compensation we pay these employees, at each of the first and second anniversaries of the closing of the acquisition. Since these employees earned this bonus over the two years following the acquisition and it is outside of our control, we are reflecting the cost in our general and administrative costs as non-recurring. The final payment of the Henry Entities bonuses occurred in July 2010.

As the operator of certain oil and natural gas properties in which we own an interest, we earn overhead reimbursements during the drilling and production phases of the property. As we drill more wells in which we own a higher working interest, these reimbursements could decrease over time. We earned reimbursements of $5.7 million and $6.1 million during the six months ended June 30, 2011 and 2010, respectively. This reimbursement is reflected as a reduction of general and administrative expenses in the consolidated statements of operations.

57

(Gain) loss on derivatives not designated as hedges. The following table sets forth the cash settlements and the non-cash mark-to-market adjustments for the derivative contracts not designated as hedges for the six months ended June 30, 2011 and 2010:

		00000000		00000000
	Six Months Ended June 30,
(in thousands)	2011		2010
Cash payments (receipts):
Commodity derivatives - oil	$	80,628	$	12,985
Commodity derivatives - natural gas		(11,205)		(6,120)
Financial derivatives - interest		6,624		2,434
Mark-to-market (gain) loss:
Commodity derivatives - oil		8,942		(120,741)
Commodity derivatives - natural gas		9,025		(20,678)
Financial derivatives - interest		(5,754)		3,784
(Gain) loss on derivatives not designated as hedges	$	88,260	$	(128,336)

Interest expense. The following table sets forth interest expense, weighted average interest rates and weighted average debt balances for the six months ended June 30, 2011 and 2010:

	Six Months Ended June 30,
(dollars in thousands)	2011		2010
Interest expense	$	51,320	$	22,257
Weighted average cash interest rate		5.8%		5.3%
Weighted average debt balance	$	1,724,911	$	687,116

The increase in weighted average debt balance during the six months ended June 30, 2011 was due primarily to borrowings in October 2010 to fund the cash consideration for the Marbob and Settlement Acquisitions. The increase in interest expense is due to (i) an increase in the weighted average debt balance between periods, (ii) an increase in amortization of capitalized loan costs, primarily associated with the financing costs of the Marbob Acquisition, (iii) the December 2010 issuance of senior notes due 2021 and (iv) the May 2011 issuance of senior notes due 2022; partially offset by an $8.5 million benefit from the remaining original issue premium on the 8% unsecured senior note paid in full to Marbob in May 2011. The increase in the weighted average cash interest rate is primarily due to the issuance of our senior notes.

Income tax provisions. We recorded an income tax expense from continuing operations of $112.8 million and $111.0 million for the six months ended June 30, 2011 and 2010, respectively. The effective income tax rate for the six months ended June 30, 2011 and 2010 was 38.1 percent and 37.5 percent, respectively.

58

Income from discontinued operations, net of tax. We made the following divestitures:

	Asset Group
	Permian Basin	Bakken
(dollars in millions)	Assets	Assets
Date divested	December 2010	March 2011
Net proceeds	$              103.3	$            195.9
Gain on sale of assets	$                29.1	$            142.0

As a result, we have reflected the results of operations of these divested assets as discontinued operations, rather than as a component of continuing operations. See Note N of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited)” for additional information regarding these divestitures and their discontinued operations. We recognized income from discontinued operations of $91.2 million and $6.6 million for the six months ended June 30, 2011 and 2010, respectively. In 2011, income from discontinued operations included a pre-tax gain on the sale of these assets of approximately $142.0 million.

59

Capital Commitments, Capital Resources and Liquidity

Capital commitments. Our primary needs for cash are development, exploration and acquisition of oil and natural gas assets, payment of contractual obligations and working capital obligations. Funding for these cash needs may be provided by any combination of internally-generated cash flow, financing under our credit facility and proceeds from the disposition of assets or alternative financing sources, as discussed in “— Capital resources” below.

Oil and natural gas properties. Our costs incurred on oil and natural gas properties, excluding acquisitions and asset retirement obligations, during the six months ended June 30, 2011 and 2010 totaled $605.0 million and $309.0 million, respectively, as compared to the comparable amount in cash flows used by investing activities of $578.8 million and $278.0 million for the respective periods. The primary reason for the differences in the costs incurred and cash flow expenditures is the timing of payments. These 2011 expenditures were funded in part from borrowings under our credit facility.

In November 2010, we announced our 2011 capital budget of approximately $1.1 billion and in the first quarter of 2011 we increased our expected 2011 capital expenditures to total approximately $1.35 billion (which does not include the costs of acquisitions other than customary leasehold purchases of acreage). The increase is a result of (i) additional drilling of wells in the Delaware Basin, (ii) incremental drilling on Wolfberry assets acquired in the first quarter of 2011, (iii) additional planned expenditures on acquisition of customary leasehold acquisitions and (iv) inflation of service costs, primarily completion costs. Cost inflation is being experienced industry wide and particularly in the Permian Basin due to the increased activity levels. Based on current commodity prices and our expectation, we believe our 2011 planned capital expenditures, excluding the effects of acquisitions, will exceed our 2011 cash flow. As our size and financial flexibility have grown, we now take a longer-term view on spending substantially within our cash flow, and our spending during any specific period may exceed our cash flow for that period. However, our capital budget is largely discretionary, and if we experience sustained oil and natural gas prices significantly below the current levels or substantial increases in our costs, we may reduce our capital spending program to be substantially within our cash flow.

Although we cannot provide any assurance, we generally attempt to fund our non-acquisition expenditures with our available cash and cash flow as adjusted from time to time; however, we may also use our credit facility, or other alternative financing sources, to fund such expenditures. The actual amount and timing of our expenditures may differ materially from our estimates as a result of, among other things, actual drilling results, the timing of expenditures by third parties on projects that we do not operate, the availability of drilling rigs and other services and equipment, regulatory, technological and competitive developments and market conditions. In addition, under certain circumstances we would consider increasing or reallocating our capital spending plans.

Other than the purchase of leasehold acreage, our 2011 capital budget is exclusive of acquisitions. We do not have a specific acquisition budget, since the timing and size of acquisitions are difficult to forecast. We evaluate opportunities to purchase or sell oil and natural gas properties in the marketplace and could participate as a buyer or seller of properties at various times. We seek to acquire oil and natural gas properties that provide opportunities for the addition of reserves and production through a combination of development, high-potential exploration and control of operations that will allow us to apply our operating expertise.

Acquisitions. Our expenditures for acquisitions of proved and unproved properties during the three months ended June 30, 2011 and 2010 totaled approximately $21.4 million and $19.6 million, respectively, and approximately $144.5 million and $34.8 million during the six months ended June 30, 2011 and 2010, respectively. The acquisitions of proved properties during the six months ended June 30, 2011 primarily relate to additional Wolfberry assets. Expenditures for leasehold acreage acquisitions (which are expenditures we generally provide for in the budget) included in the total above were approximately $45.9 million and $18.9 million for the six months ended June 30, 2011 and 2010, respectively.

Divestitures. In March 2011, we sold our Bakken assets for cash consideration of approximately $195.9 million and recognized a gain on the disposition of assets (included in discontinued operations) of approximately $142.0 million. For the first quarter 2011, these assets produced an average of approximately 1,369 Boe per day, of which approximately 95 percent was oil. We used the net proceeds from this divestiture to initially repay a portion of the outstanding borrowings under our credit facility.

In December 2010, we sold certain of our non-core Permian Basin assets for cash consideration of approximately $103.3 million and recognized a gain of approximately $29.1 million. For all of 2010, these assets produced an average of approximately 1,393 Boe per day, of which approximately 46 percent was oil. We used the net proceeds from this divestiture to initially repay a portion of the outstanding borrowings under our credit facility.

Contractual obligations. Our contractual obligations include long-term debt, cash interest expense on debt, operating lease obligations, drilling commitments, employment agreements with our officers, derivative liabilities and other obligations. Since December 31, 2010, the material changes in our contractual obligations included a $67.4 million increase in outstanding long-term

60

borrowings, a $306.1 million increase in cash interest expense on debt and a $12.2 million increase in our net commodity derivative liability. See Note J of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited)” for additional information regarding our long-term debt and “Item 3. Quantitative and Qualitative Disclosures About Market Risk” for information regarding the interest on our long-term debt and information on changes in the fair value of our open derivative obligations during the six months ended June 30, 2011.

Off-balance sheet arrangements. Currently, we do not have any material off-balance sheet arrangements.

Capital resources. Our primary sources of liquidity have been cash flows generated from operating activities (including the cash settlements received from (paid on) derivatives not designated as hedges presented in our investing activities) and financing provided by our credit facility. We currently believe that our cash flows alone will not meet both our short-term working capital requirements and our current 2011 capital expenditure plans. We believe, however, that we have adequate availability under our credit facility to fund any cash flow deficits, though we could reduce our capital spending program to remain substantially within our cash flow.

The following table summarizes our net increase in cash and cash equivalents for the six months ended June 30, 2011 and 2010:

		0000000000000		0000000000000
	Six Months Ended June 30,
(in thousands)	2011		2010
Net cash provided by operating activities	$	485,847	$	239,530
Net cash used in investing activities		(581,948)		(302,165)
Net cash provided by financing activities		96,114		59,784
Net increase (decrease) in cash and cash equivalents	$	13	$	(2,851)

Cash flow from operating activities. Our net cash provided by operating activities was $485.8 million and $239.5 million for the six months ended June 30, 2011 and 2010, respectively. The increase in operating cash flows during the six months ended June 30, 2011 over the same period in 2010 was principally due to increases in average realized oil prices coupled with increased production, offset by cost increases in services and supplies primarily related to the increase in oil prices. Our net cash provided by operating activities also includes reductions of $96.2 million and $49.8 million for the six months ended June 30, 2011 and 2010, respectively, associated with changes in working capital items. Changes in working capital items adjust for the timing of receipts and payments of actual cash.

Cash flow used in investing activities. During the six months ended June 30, 2011 and 2010, we invested $582.0 million and $302.2 million, respectively, for additions to, and acquisitions of, oil and natural gas properties inclusive of dry hole costs, proceeds from the sale of assets and settlements paid on derivatives not designated as hedges. Cash flows used in investing activities were higher during the six months ended June 30, 2011 over 2010, due to an increase in (i) our capital expenditures on oil and natural gas properties and (ii) our settlements on derivatives offset by the proceeds from the sale of our divested assets in the first quarter of 2011.

Cash flow from financing activities. Net cash provided by financing activities was $96.1 million and $59.8 million for the six months ended June 30, 2011 and 2010, respectively. Below is a description of our financing activities. During the six months ended June 30, 2011 and 2010, we completed the following significant capital markets activities:

• in May 2011, we issued $600 million in principal amount of 6.5% unsecured senior notes due 2022 at par, and we received net proceeds of approximately $587.1 million. We used the net proceeds from this offering to repay a portion of the borrowings under our credit facility to increase our liquidity for future activities; and

• In February 2010, we issued 5,347,500 share of our common stock at $42.75 per share. After deducting underwriting discounts of approximately $9.1 million and transaction costs, we received net proceeds of approximately $219.3 million. The net proceeds from this offering were used to repay a portion of the borrowings under our credit facility.

During the six months ended June 30, 2011, we reduced our outstanding balance on our credit facility by $374.0 million primarily using the $195.9 million of proceeds from the sale of our Bakken assets and the net proceeds of our May 2011 debt offering of approximately $587.1 million, offset by our capital expenditures exceeding our operating cash flow in the first quarter of 2011. During

61

the six months ended June 30, 2010, we made net payments of $202.0 million on our credit facility, primarily funded by our issuance of 5.3 million shares of our common stock for approximately $219.3 million in the first quarter of 2010.

On April 25, 2011, we entered into an amendment to our credit facility to increase the borrowing base from $2.0 billion to $2.5 billion and maintained our commitments from our bank group at $2.0 billion. The next scheduled borrowing base redetermination will be in October 2011. Between scheduled borrowing base redeterminations, we and, if requested by 66 2/3 percent of the lenders, the lenders, may each request one special redetermination. Our credit facility has a maturity date of April 25, 2016. At June 30, 2011, we had no letters of credit outstanding under the credit facility, and our availability to borrow additional funds was approximately $1.8 billion based on the bank commitments of $2.0 billion.

Advances on the Credit Facility bear interest, at our option, based on (i) the prime rate of JPMorgan Chase Bank (“JPM Prime Rate”) (3.25 percent at June 30, 2011) or (ii) a Eurodollar rate (substantially equal to the London Interbank Offered Rate). The Credit Facility’s interest rates of Eurodollar rate advances and JPM Prime Rate advances varied, with interest margins ranging from 150 to 250 basis points and 50 to 150 basis points, respectively, per annum depending on the debt balance outstanding. We pay commitment fees on the unused portion of the available commitment ranging from 37.5 to 50 basis points per annum, depending on utilization of the commitments.

In conducting our business, we may utilize various financing sources, including the issuance of (i) fixed and floating rate debt, (ii) convertible securities, (iii) preferred stock, (iv) common stock and (v) other securities. Over the last three years, we have demonstrated our use of the capital markets by issuing common stock in public offerings and private placements and issuing senior unsecured debt. However, there are no assurances that we can access the capital markets to obtain additional funding, if needed, and at what cost and terms. We may also sell assets and issue securities in exchange for oil and natural gas assets or interests in oil and natural gas companies. Additional securities may be of a class senior to common stock with respect to such matters as dividends and liquidation rights and may also have other rights and preferences as determined from time to time by our board of directors. Utilization of some of these financing sources may require approval from the lenders under our credit facility.

Liquidity. Our principal sources of short-term liquidity are cash on hand and available borrowing capacity under our credit facility. At June 30, 2011, we had $0.4 million of cash on hand, and our availability to borrow additional funds under our credit facility was approximately $1.8 billion.

At June 30, 2011, the commitments under our credit facility were $2.0 billion (which remained unchanged as part of our April 2011 amendment), which provided us with approximately $1.8 billion of available borrowing capacity. In April 2011, we amended our credit facility, which primarily (i) increased our borrowing base $500 million to $2.5 billion (we kept our $2.0 billion in commitments from our bank group in place) until the next borrowing base redetermination in October 2011, (ii) extended maturity approximately three years to April 2016, (iii) improved our pricing grid and (iv) allowed us to issue up to an additional $1.0 billion in senior notes ($600 million of which we issued in May 2011).

Upon a redetermination, our borrowing base could be substantially reduced. There is no assurance that our borrowing base will not be reduced, which could affect our liquidity.

Debt ratings. We receive debt credit ratings from Standard & Poor’s Ratings Group, Inc. (“S&P”) and Moody’s Investors Service, Inc. (“Moody’s”), which are subject to regular reviews. S&P’s corporate rating for us is “BB” with a stable outlook. Moody’s corporate rating for us is “B1” with a stable outlook. S&P and Moody’s consider many factors in determining our ratings including: production growth opportunities, liquidity, debt levels and asset and reserve mix. A reduction in our debt ratings could negatively affect our ability to obtain additional financing or the interest rate, fees and other terms associated with such additional financing.

Book capitalization and current ratio. Our book capitalization at June 30, 2011 was $4.4 billion, consisting of debt of $1.7 billion and stockholders’ equity of $2.7 billion. Our debt to book capitalization was 39.2 percent and 41.2 percent at June 30, 2011 and December 31, 2010, respectively. Our ratio of current assets to current liabilities was 0.68 to 1.0 at June 30, 2011 as compared to 0.65 to 1.0 at December 31, 2010.

Inflation and changes in prices. Our revenues, the value of our assets, and our ability to obtain bank financing or additional capital on attractive terms have been and will continue to be affected by changes in commodity prices and the costs to produce our reserves. Commodity prices are subject to significant fluctuations that are beyond our ability to control or predict. During the six months ended June 30, 2011, we received an average of $94.27 per barrel of oil and $7.49 per Mcf of natural gas before consideration of commodity derivative contracts compared to $75.15 per barrel of oil and $7.21 per Mcf of natural gas in the six months ended June 30, 2010. Although certain of our costs are affected by general inflation, inflation does not normally have a significant effect on our business. In a trend that began in 2004 and continued through the first six months of 2008, commodity prices for oil and natural gas

62

increased significantly. The higher prices led to increased activity in the industry and, consequently, rising costs. These cost trends have put pressure not only on our operating costs, but also on capital costs. We expect these costs to reflect upward pressure during 2011 as a result of the improvements in oil prices in 2010 and the early part of 2011.

Critical Accounting Policies, Practices and Estimates

Our historical consolidated financial statements and related notes to consolidated financial statements contain information that is pertinent to our management’s discussion and analysis of financial condition and results of operations. Preparation of financial statements in conformity with accounting principles generally accepted in the United States requires that our management make estimates, judgments and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, and the disclosure of contingent assets and liabilities. However, the accounting principles used by us generally do not change our reported cash flows or liquidity. Interpretation of the existing rules must be done and judgments made on how the specifics of a given rule apply to us.

In management’s opinion, the more significant reporting areas impacted by management’s judgments and estimates are revenue recognition, the choice of accounting method for oil and natural gas activities, oil and natural gas reserve estimation, asset retirement obligations, impairment of long-lived assets, valuation of stock-based compensation, valuation of business combinations and valuation of financial derivative instruments. Management’s judgments and estimates in these areas are based on information available from both internal and external sources, including engineers, geologists and historical experience in similar matters. Actual results could differ from the estimates, as additional information becomes known.

There has been no material changes in our critical accounting policies and procedures during the six months ended June 30, 2011. See our disclosure of critical accounting policies in “Item 8. Financial Statements and Supplementary Data” of our Annual Report on Form 10-K for the year ended December 31, 2010, filed with the United States Securities and Exchange Commission (the “SEC”) on February 25, 2011.

63

Item 3. Quantitative and Qualitative Disclosures About Market Risk

The following market risk disclosures should be read in conjunction with the quantitative and qualitative disclosures about market risk contained in our Annual Report on Form 10-K for the year ended December 31, 2010.

We are exposed to a variety of market risks including credit risk, commodity price risk and interest rate risk. We address these risks through a program of risk management which includes the use of derivative instruments. The following quantitative and qualitative information is provided about financial instruments to which we are a party at June 30, 2011, and from which we may incur future gains or losses from changes in market interest rates or commodity prices and losses from extension of credit. We do not enter into derivative or other financial instruments for speculative or trading purposes.

Hypothetical changes in interest rates and commodity prices chosen for the following estimated sensitivity analysis are considered to be reasonably possible near-term changes generally based on consideration of past fluctuations for each risk category. However, since it is not possible to accurately predict future changes in interest rates and commodity prices, these hypothetical changes may not necessarily be an indicator of probable future fluctuations.

Credit risk. We monitor our risk of loss due to non-performance by counterparties of their contractual obligations. Our principal exposure to credit risk is through the sale of our oil and natural gas production, which we market to energy marketing companies and refineries and to a lesser extent our derivative counterparties. We monitor our exposure to these counterparties primarily by reviewing credit ratings, financial statements and payment history. We extend credit terms based on our evaluation of each counterparty’s creditworthiness. Although we have not generally required our counterparties to provide collateral to support their obligation to us, we may, if circumstances dictate, require collateral in the future. In this manner, we reduce credit risk.

Commodity price risk. We are exposed to market risk as the prices of oil and natural gas are subject to fluctuations resulting from changes in supply and demand. To reduce our exposure to changes in the prices of oil and natural gas we have entered into, and may in the future enter into additional commodity price risk management arrangements for a portion of our oil and natural gas production. The agreements that we have entered into generally have the effect of providing us with a fixed price for a portion of our expected future oil and natural gas production over a fixed period of time. Our commodity price risk management activities could have the effect of reducing net income and the value of our common stock. An average increase in the commodity price of $10.00 per barrel of oil and $1.00 per MMBtu for natural gas from the commodity prices at June 30, 2011, would have increased the net unrealized loss on our commodity price risk management contracts by approximately $204.4 million.

At June 30, 2011, we had (i) oil price swaps that settle on a monthly basis covering future oil production from July 1, 2011 through June 30, 2015 and (ii) a natural gas price swap and natural gas basis swaps covering future natural gas production from July 1, 2011 to December 31, 2012. See Note I of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited)” for additional information on our commodity derivative contracts. The average NYMEX oil price and average NYMEX natural gas prices for the six months ended June 30, 2011 was $98.44 per Bbl and $4.29 per MMBtu, respectively. At August 1, 2011, the NYMEX oil price and NYMEX natural gas price were $94.89 per Bbl and $4.19 per MMBtu, respectively. A decrease in oil and natural gas prices would decrease the fair value liability of our commodity derivative contracts from their recorded balance at June 30, 2011. Changes in the recorded fair value of the undesignated commodity derivative contracts are marked to market through earnings as unrealized gains or losses. The potential decrease in our fair value liability would be recorded in earnings as an unrealized gain. However, an increase in the average NYMEX oil and natural gas price above those at June 30, 2011, would result in an increase in our fair value liability and be recorded as an unrealized loss in earnings. We are currently unable to estimate the effects on the earnings of future periods resulting from changes in the market value of our commodity derivative contracts.

Interest rate risk. Our exposure to changes in interest rates relates primarily to debt obligations. We manage our interest rate exposure by limiting our variable-rate debt to a certain percentage of total capitalization and by monitoring the effects of market changes in interest rates. In the past we have entered into interest rate risk management arrangements for a portion of our outstanding debt in order to reduce our exposure to changes in interest rates. We may enter into additional interest rate risk management arrangements in the future. Interest rate derivatives are used solely to modify interest rate exposure and not to modify the overall leverage of the debt portfolio. We are exposed to changes in interest rates as a result of our credit facility, and the terms of our credit facility require us to pay higher interest rate margins as we utilize a larger percentage of our available borrowing base.

We had total indebtedness of $0.2 billion outstanding under our credit facility at June 30, 2011. The impact of a 1 percent increase in interest rates on this amount of debt would result in increased annual interest expense of approximately $2.4 million.

64

The fair value of our derivative instruments is determined based on our valuation models. We did not change our valuation method during 2011. During 2011, we were party to commodity and interest rate derivative instruments. See Note I of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited)” for additional information regarding our derivative instruments. The following table reconciles the changes that occurred in the fair values of our derivative instruments during the six months ended June 30, 2011:

		000000000000		000000000000		000000000000
	Derivative Instruments Net Assets (Liabilities)  (a)
(in thousands)	Commodities		Interest Rate (b)		Total
Fair value of contracts outstanding at December 31, 2010	$	(134,580)	$	(5,754)	$	(140,334)
Changes in fair values (c)		(87,390)		(870)		(88,260)
Contract maturities and terminations		69,423		6,624		76,047
Fair value of contracts outstanding at June 30, 2011	$	(152,547)	$	-	$	(152,547)

(a) Represents the fair values of open derivative contracts subject to market risk.

(b) We terminated our interest rate swaps in May 2011.

(c) New derivative contracts entered into by us have no intrinsic value at inception.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures. As required by Rule 13a-15(b) of the Exchange Act, we have evaluated, under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this report. Our disclosure controls and procedures are designed to provide reasonable assurance that the information required to be disclosed by us in reports that we file under the Exchange Act is accumulated and communicated to our management, including our principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure and is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the SEC. Based upon the evaluation, our principal executive officer and principal financial officer have concluded that our disclosure controls and procedures were effective at June 30, 2011 at the reasonable assurance level.

Changes in Internal Control over Financial Reporting. There have been no changes in our internal controls over financial reporting (as defined in Rule 13a-15(f) and Rule 15d-15(f) under the Exchange Act) that occurred during our last fiscal quarter that have materially affected or are reasonably likely to materially affect our internal controls over financial reporting.

65

PART II – OTHER INFORMATION

Item 1. Legal Proceedings

We are party to the legal proceedings that are described in Note K of the Condensed Notes to Consolidated Financial Statements included in “Item 1. Consolidated Financial Statements (Unaudited).” We are also party to other proceedings and claims incidental to our business. While many of these other matters involve inherent uncertainty, we believe that the liability, if any, ultimately incurred with respect to such other proceedings and claims will not have a material adverse effect on our consolidated financial position as a whole or on our liquidity, capital resources or future results of operations.

Item 1A. Risk Factors

In addition to the other information set forth in this Quarterly Report on Form 10-Q, you should carefully consider the risks discussed in our Annual Report on Form 10-K for the year ended December 31, 2010, under the headings “Item 1. Business – Competition,” “— Marketing Arrangements” and “— Applicable Laws and Regulations,” “Item 1A. Risk Factors,” “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Item 7A. Quantitative and Qualitative Disclosures About Market Risk,” which risks could materially affect our business, financial condition or future results. Except for the risk factor set forth below, there have been no material changes in our risk factors from those described in our Annual Report on Form 10-K for the year ended December 31, 2010. The risks described in this Quarterly Report on Form 10-Q and in our Annual Report on Form 10-K are not the only risks facing our company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition or future results.

Recently Proposed Rules Regulating Air Emissions from Oil and Natural Gas Operations Could Cause Us to Incur Increased Capital Expenditures and Operating Costs

On July 28, 2011, the Environmental Protection Agency (“EPA”) proposed rules that would establish new air emission controls for oil and natural gas production and natural gas processing operations. Specifically, EPA’s proposed rule package includes New Source Performance Standards to address emissions of sulfur dioxide and volatile organic compounds (“VOCs”) and a separate set of emission standards to address hazardous air pollutants frequently associated with oil and natural gas production and processing activities. EPA’s proposal would require the reduction of VOC emissions from oil and natural gas production facilities by mandating the use of “green completions” for hydraulic fracturing, which requires the operator to recover rather than vent the natural gas and natural gas liquids that come to the surface during completion of the fracturing process. The proposed rules also would establish specific requirements regarding emissions from compressors, dehydrators, storage tanks, and other production equipment. In addition, the rules would establish new leak detection requirements for natural gas processing plants. EPA will receive public comment and hold hearings regarding the proposed rules and must take final action on them by February 28, 2012. If finalized, these rules could require a number of modifications to our operations including the installation of new equipment. Compliance with such rules could result in significant costs, including increased capital expenditures and operating costs, and could adversely impact our business.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

					Total number		Maximum
Period	Total number of shares withheld (1)		Average price per share		of shares purchased as part of publicly announced plans		number of shares that may yet be purchased under the plan
April 1, 2011 - April 30, 2011		-	$	-		-
May 1, 2011 - May 31, 2011		2,209	$	90.80		-
June 1, 2011 - June 30, 2011		2,118	$	85.70		-

⁽¹⁾  Represents shares that were withheld by us to satisfy tax withholding obligations of certain of our officers, directors and key employees that arose upon the lapse of restrictions on restricted stock.

66

Item 6. Exhibits

Exhibit Number	Exhibit
3.1	Restated Certificate of Incorporation (filed as Exhibit 3.1 to the Company’s Current Report on Form 8-K on August 8, 2007, and incorporated herein by reference).
3.2	Amended and Restated Bylaws of Concho Resources Inc., as amended March 25, 2008 (filed as Exhibit 3.1 to the Company’s Current Report on Form 8-K on March 26, 2008, and incorporated herein by reference).
4.1	Specimen Common Stock Certificate (filed as Exhibit 4.1 to the Company's Current Report on Form S-1/A on July 5, 2007, and incorporated herein by reference).
4.2	Fourth Supplemental Indenture, dated May 23, 2011, between Concho Resources Inc., the subsidiary guarantors named therein, and Wells Fargo Bank, National Association, as trustee (filed as Exhibit 4.1 to the Company’s Current Report on Form 8-K on May 23, 2011, and incorporated herein by reference).
4.3	Form of 6.5% Senior Notes due 2022 (included in Exhibit 10.3) (filed as Exhibit 4.2 to the Company’s Current Report on Form 8-K on May 23, 2011, and incorporated herein by reference).
10.1	Sixth Amendment to Amended and Restated Credit Agreement, dated as of April 25, 2011, among Concho Resources Inc. and the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent (filed as Exhibit 10.1 to the Company's Current Report on Form 8-K on April 27, 2011, and incorporated herein by reference).
31.1 (a)	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2 (a)	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1 (b)	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2 (b)	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS (a)	XBRL Instance Document.
101.SCH (a)	XBRL Schema Document.
101.CAL (a)	XBRL Calculation Linkbase Document.
101.DEF (a)	XBRL Definition Linkbase Document.
101.LAB (a)	XBRL Labels Linkbase Document.
101.PRE (a)	XBRL Presentation Linkbase Document.

(a)   Filed herewith.

(b)   Furnished herewith.

67

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		CONCHO RESOURCES INC.
Date:	August 4, 2011	By	/s/ Timothy A. Leach
			Timothy A. Leach
			Director, Chairman of the Board of Directors, Chief Executive
			Officer and President (Principal Executive Officer)
		By
			/s/ Darin G. Holderness
			Darin G. Holderness
			Senior Vice President, Chief Financial Officer and Treasurer
			(Principal Financial Officer)
		By
			/s/ Don O. McCormack
			Don O. McCormack
			Vice President and Chief Accounting Officer
			(Principal Accounting Officer)

68

EXHIBIT INDEX

Exhibit Number	Exhibit
3.1	Restated Certificate of Incorporation (filed as Exhibit 3.1 to the Company’s Current Report on Form 8-K on August 8, 2007, and incorporated herein by reference).
3.2	Amended and Restated Bylaws of Concho Resources Inc., as amended March 25, 2008 (filed as Exhibit 3.1 to the Company’s Current Report on Form 8-K on March 26, 2008, and incorporated herein by reference).
4.1	Specimen Common Stock Certificate (filed as Exhibit 4.1 to the Company’s Current Report on Form S-1/A on July 5, 2007, and incorporated herein by reference).
4.2	Fourth Supplemental Indenture, dated May 23, 2011, between Concho Resources Inc., the subsidiary guarantors named therein, and Wells Fargo Bank, National Association, as trustee (filed as Exhibit 4.1 to the Company’s Current Report on Form 8-K on May 23, 2011, and incorporated herein by reference).
4.3	Form of 6.5% Senior Notes due 2022 (included in Exhibit 10.3) (filed as Exhibit 4.2 to the Company’s Current Report on Form 8-K on May 23, 2011, and incorporated herein by reference).
10.1	Sixth Amendment to Amended and Restated Credit Agreement, dated as of April 25, 2011, among Concho Resources Inc. and the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K on April 27, 2011, and incorporated herein by reference).
31.1 (a)	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2 (a)	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1 (b)	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2 (b)	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS (a)	XBRL Instance Document.
101.SCH (a)	XBRL Schema Document.
101.CAL (a)	XBRL Calculation Linkbase Document.
101.DEF (a)	XBRL Definition Linkbase Document.
101.LAB (a)	XBRL Labels Linkbase Document.
101.PRE (a)	XBRL Presentation Linkbase Document.

(a)   Filed herewith.

(b)   Furnished herewith.

EX-31.1

EXHIBIT 31.1

CERTIFICATIONS

I, Timothy A. Leach, certify that:

1. I have reviewed this quarterly report of Concho Resources Inc. (the “Registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

4. The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date:	August 4, 2011	/s/ Timothy A. Leach
		Timothy A. Leach
		Director, Chairman of the Board of Directors, Chief Executive Officer
		and President (Principal Executive Officer)

EX-31.2

EXHIBIT 31.2

CERTIFICATIONS

I, Darin G. Holderness, certify that:

1. I have reviewed this quarterly report of Concho Resources Inc. (the “Registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

4. The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date:	August 4, 2011	/s/ Darin G. Holderness
		Darin G. Holderness
		Senior Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer)

EX-32.1

EXHIBIT 32.1

Certification of Chief Executive Officer of Concho Resources Inc.

(Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)

  In connection with the quarterly report of Concho Resources Inc. (the “Company”) for the period ended June 30, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Timothy A. Leach, Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	August 4, 2011	/s/ Timothy A. Leach
		Timothy A. Leach
		Director, Chairman of the Board of Directors, Chief Executive Officer
		and President (Principal Executive Officer)

EX-32.2

EXHIBIT 32.2

Certification of Chief Financial Officer of Concho Resources Inc.

(Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)

  In connection with the quarterly report of Concho Resources Inc. (the “Company”) for the period ended June 30, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Darin G. Holderness, Chief Financial Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	August 4, 2011	/s/ Darin G. Holderness
		Darin G. Holderness
		Senior Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer)

XML



Debt (Future Interest Expense From Original Issue Discount On Senior Notes) (Details) (USD $) In Thousands	Jun. 30, 2011
Debt
Remaining 2011	$ 215
2012	462
2013	507
2014	557
2015	612
Thereafter	1,221
Total	$ 3,574

XML



Summary Of Significant Accounting Policies (Estimated Aggregate Amortization Expense) (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011
Summary Of Significant Accounting Policies
Remaining 2011	$ 775
2012	1,549
2013	1,549
2014	1,549
2015	1,549
Thereafter	27,228
Total	$ 34,199

XML



Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Stockholders' equity:
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	103,529,637	102,842,082
Treasury stock, shares	48,849	31,963

XML



Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended			6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010		Jun. 30, 2011	Jun. 30, 2010
Operating revenues:
Oil sales	$ 342,747	$ 159,292	[1]	$ 625,174	$ 312,080	[1]
Natural gas sales	103,485	40,023	[1]	181,898	86,408	[1]
Total operating revenues	446,232	199,315	[1]	807,072	398,488	[1]
Operating costs and expenses:
Oil and natural gas production	69,577	36,442	[1]	133,235	69,772	[1]
Exploration and abandonments	400	922	[1]	1,126	2,031	[1]
Depreciation, depletion and amortization	98,881	49,611	[1]	189,169	99,770	[1]
Accretion of discount on asset retirement obligations	715	316	[1]	1,419	657	[1]
Impairments of long-lived assets	76	3,489	[1]	76	3,745	[1]
General and administrative (including non-cash stock-based compensation of $4,725 and $2,871 for the three months ended June 30, 2011 and 2010, respectively, and $9,193 and $5,702 for the six months ended June 30, 2011 and 2010, respectively)	22,618	17,761	[1]	44,010	31,539	[1]
Bad debt expense		33	[1]		572	[1]
(Gain) loss on derivatives not designated as hedges	(144,882)	(112,763)	[1]	88,260	(128,336)	[1]
Total operating costs and expenses	47,385	(4,189)	[1]	457,295	79,750	[1]
Income from operations	398,847	203,504	[1]	349,777	318,738	[1]
Other income (expense):
Interest expense	(21,660)	(11,192)	[1]	(51,320)	(22,257)	[1]
Other, net	(1,735)	(304)	[1]	(2,087)	(377)	[1]
Total other expense	(23,395)	(11,496)	[1]	(53,407)	(22,634)	[1]
Income from continuing operations before income taxes	375,452	192,008	[1]	296,370	296,104	[1]
Income tax expense	(143,270)	(72,220)	[1]	(112,801)	(110,983)	[1]
Income from continuing operations	232,182	119,788	[1]	183,569	185,121	[1]
Income from discontinued operations, net of tax		4,383	[1]	91,188	6,590	[1]
Net income	$ 232,182	$ 124,171	[1]	$ 274,757	$ 191,711	[1]
Basic earnings per share:
Income from continuing operations	$ 2.26	$ 1.32	[1]	$ 1.79	$ 2.06	[1]
Income from discontinued operations, net of tax		$ 0.04	[1]	$ 0.89	$ 0.07	[1]
Net income per share	$ 2.26	$ 1.36	[1]	$ 2.68	$ 2.13	[1]
Weighted average shares used in basic earnings per share	102,569	91,044	[1]	102,407	89,944	[1]
Diluted earnings per share:
Income from continuing operations	$ 2.24	$ 1.31	[1]	$ 1.77	$ 2.03	[1]
Income from discontinued operations, net of tax		$ 0.04	[1]	$ 0.88	$ 0.07	[1]
Net income per share	$ 2.24	$ 1.35	[1]	$ 2.65	$ 2.10	[1]
Weighted average shares used in diluted earnings per share	103,638	92,297	[1]	103,570	91,220	[1]

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Disclosures About Fair Value Of Financial Instruments (Carrying Amounts And Fair Values Of The Company's Financial Instruments) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Credit facility	$ 239,500	$ 613,500
8.625% Unsecured Senior Notes [Member]
Unsecured senior notes	300,000	300,000
8.625% Unsecured Senior Notes [Member] | Carrying Value [Member]
Unsecured senior notes	296,426	296,219
8.625% Unsecured Senior Notes [Member] | Fair Value [Member]
Unsecured senior notes	323,103	322,879
8.0% Unsecured Senior Note [Member]
Unsecured senior notes		150,000
8.0% Unsecured Senior Note [Member] | Carrying Value [Member]
Unsecured senior notes		158,802
8.0% Unsecured Senior Note [Member] | Fair Value [Member]
Unsecured senior notes		162,772
7.0% Unsecured Senior Notes [Member]
Unsecured senior notes	600,000	600,000
7.0% Unsecured Senior Notes [Member] | Carrying Value [Member]
Unsecured senior notes	600,000	600,000
7.0% Unsecured Senior Notes [Member] | Fair Value [Member]
Unsecured senior notes	621,000	615,000
6.5% Unsecured Senior Notes [Member]
Unsecured senior notes	600,000
6.5% Unsecured Senior Notes [Member] | Carrying Value [Member]
Unsecured senior notes	600,000
6.5% Unsecured Senior Notes [Member] | Fair Value [Member]
Unsecured senior notes	601,500
Carrying Value [Member]
Derivative instruments, Assets	5,470	9,088
Derivative instruments, Liabilities	158,017	149,422
Credit facility	239,500	613,500
Fair Value [Member]
Derivative instruments, Assets	5,470	9,088
Derivative instruments, Liabilities	158,017	149,422
Credit facility	$ 226,363	$ 606,042

XML



Exploratory Well Costs (Narrative) (Details)	6 Months Ended
	Jun. 30, 2011
Gross exploratory wells	97
Delaware Basin Area [Member]
Gross exploratory wells	30
Texas Permian Area [Member]
Gross exploratory wells	26
New Mexico Shelf Area [Member]
Gross exploratory wells	41

XML



Debt (Summary Of Interest Expense) (Details) (USD $) In Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010		Jun. 30, 2011	Jun. 30, 2010
Debt
Cash payments for interest	$ 21,747	$ 18,016		$ 32,142	$ 21,763
Amortization of original issue discount (premium)	32	95		(82)	187
Amortization of deferred loan origination costs	2,810	1,164		6,353	2,204
Write-off of original issue premium	(8,513)			(8,513)
Net changes in accruals	5,584	(8,045)		21,493	(1,841)
Interest costs incurred	21,660	11,230		51,393	22,313
Less: capitalized interest		(38)		(73)	(56)
Total interest expense	$ 21,660	$ 11,192	[1]	$ 51,320	$ 22,257	[1]

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Income Taxes (Company's Income Tax Provision Attributable To Income From Operations) (Details) (USD $) In Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010		Jun. 30, 2011	Jun. 30, 2010
Income Taxes
U.S. federal	$ 3,208	$ 393		$ 9,552	$ 9,753
U.S. state and local	519	487		1,282	1,714
Total current income tax provision	3,727	880		10,834	11,467
U.S. federal	121,452	63,898		88,599	89,049
U.S. state and local	18,091	7,442		13,368	10,467
Total deferred income tax provision	139,543	71,340		101,967	99,516
Income tax expense (benefit)	$ 143,270	$ 72,220	[1]	$ 112,801	$ 110,983	[1]

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Net Income Per Share

6 Months Ended

Jun. 30, 2011

Net Income Per Share

Net Income Per Share

Note O. Net income per share

Basic net income per share is computed by dividing net income applicable to common shareholders by the weighted average number of common shares treated as outstanding for the period.

The computation of diluted income per share reflects the potential dilution that could occur if securities or other contracts to issue common stock that are dilutive to income were exercised or converted into common stock or resulted in the issuance of common stock that would then share in the earnings of the Company. These amounts include unexercised common stock options and restricted stock. Potentially dilutive effects are calculated using the treasury stock method.

The following table is a reconciliation of the basic weighted average common shares outstanding to diluted weighted average common shares outstanding for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Weighted average common shares outstanding:
Basic		102,569		91,044		102,407		89,944
Dilutive common stock options		575		869		656		916
Dilutive restricted stock		494		384		507		360
Diluted		103,638		92,297		103,570		91,220

The following table is a summary of the common stock options and restricted stock which were not included in the computation of diluted net income per share, as inclusion of these items would be antidilutive:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Number of antidilutive common shares:
Anti-dilutive common stock options		-		-		-		1
Anti-dilutive restricted stock		47		2		25		4

XML



Debt (Narrative) (Details) (USD $)	3 Months Ended	6 Months Ended				6 Months Ended		6 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2011	Jun. 30, 2011 Minimum [Member]	Jun. 30, 2011 Maximum [Member]	Jun. 30, 2011 Same Day Advance Facility [Member]	Jun. 30, 2011 8.625% Unsecured Senior Notes [Member]	Dec. 31, 2010 8.625% Unsecured Senior Notes [Member]	Jun. 30, 2011 7.0% Unsecured Senior Notes [Member]	Dec. 31, 2010 7.0% Unsecured Senior Notes [Member]	Jun. 30, 2011 6.5% Unsecured Senior Notes [Member]	Jun. 30, 2011 Credit Facility [Member]
Debt instrument maturity date						October 1, 2017		January 15, 2021		January 15, 2022	April 25, 2016
Letters of credit, amount outstanding	$ 0	$ 0
Credit facility borrowing capacity	2,500,000,000	2,500,000,000			25,000,000
Commitments from bank group	2,000,000,000	2,000,000,000
Debt instrument amount issued									600,000,000
Percentage of lenders required for special redetermination		66.66%
Credit facility interest rate description	Advances on the Credit Facility bear interest, at the Company's option, based on (i) the prime rate of JPMorgan Chase Bank ("JPM Prime Rate") (3.25 percent at June 30, 2011) or (ii) a Eurodollar rate (substantially equal to the London Interbank Offered Rate). The Credit Facility's interest rates of Eurodollar rate advances and JPM Prime Rate advances varied, with interest margins ranging from 150 to 250 basis points and 50 to 150 basis points, respectively, per annum depending on the debt balance outstanding.
Debt instrument stated interest rate						8.625%		7.00%	7.00%	6.50%	3.25%
Senior Notes, Noncurrent						$ 300,000,000	$ 300,000,000	$ 600,000,000	$ 600,000,000	$ 600,000,000
Interest margins range for Eurodollar rate advances, basis points			150	250
Interest margins range for JPM Prime Rate advances, basis points			50	150
Commitment fees range			37.5	50
Commitment fees on the unused portion of the available borrowing base	The Company pays commitment fees on the unused portion of the available commitment ranging from 37.5 to 50 basis points per annum, depending on utilization of the commitments.
Debt to earnings ratio	no greater than 4.0 to 1.0
Current assets to current liabilities ratio	not less than 1.0 to 1.0
Debt instrument percent of par due						98.578%		100.00%		100.00%

XML



Document And Entity Information	6 Months Ended
	Jun. 30, 2011	Aug. 01, 2011
Document And Entity Information
Entity Registrant Name	CONCHO RESOURCES INC
Entity Central Index Key	0001358071
Document Type	10-Q
Document Period End Date	Jun. 30, 2011
Amendment Flag	false
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		103,663,854

XML



Summary Of Significant Accounting Policies (Gross And Net Intangible Assets) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Summary Of Significant Accounting Policies
Gross intangible - operating rights	$ 38,717	$ 38,717
Accumulated amortization	(4,518)	(3,744)
Net intangible - operating rights	$ 34,199	$ 34,973

XML



Subsequent Events

6 Months Ended

Jun. 30, 2011

Subsequent Events

Subsequent Events

Note R. Subsequent events

New commodity derivative contracts. In July 2011, the Company entered into the following commodity derivative contracts to hedge additional amounts of its estimated future production:

	Aggregate		Index		Contract
	Volume		Price (a)		Period
Oil (volumes in Bbls):
Price swap		535,000	$	100.66		10/01/11 - 12/31/11
Price swap		1,344,000	$	102.24		01/01/12 - 12/31/12
Price swap		810,000	$	103.66		01/01/13 - 12/31/13

(a) The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

XML



Summary Of Significant Accounting Policies (Future Amortization Expense Of Deferred Loan Costs) (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011
Summary Of Significant Accounting Policies
Remaining 2011	$ 5,299
2012	10,758
2013	10,986
2014	11,232
2015	11,499
Thereafter	21,167
Total	$ 70,941

XML



Derivative Financial Instruments (Hedging Of Estimated Future Production) (Details)	Jun. 30, 2011
Oil Price Swap One [Member]
Aggregate Volume	115,000
Index Price	96.65
Derivative, Inception Date	Mar. 01, 2011
Derivative, Maturity Date	Nov. 30, 2011
Oil Price Swap Two [Member]
Aggregate Volume	200,000
Index Price	97.20
Derivative, Inception Date	Mar. 01, 2011
Derivative, Maturity Date	Dec. 31, 2011
Oil Price Swap Three [Member]
Aggregate Volume	190,000
Index Price	111.41
Derivative, Inception Date	May 01, 2011
Derivative, Maturity Date	Jul. 31, 2011
Oil Price Swap Four [Member]
Aggregate Volume	736,000
Index Price	110.21
Derivative, Inception Date	May 01, 2011
Derivative, Maturity Date	Dec. 31, 2011
Oil Price Swap Five [Member]
Aggregate Volume	66,000
Index Price	111.80
Derivative, Inception Date	Aug. 01, 2011
Derivative, Maturity Date	Nov. 30, 2011
Oil Price Swap Six [Member]
Aggregate Volume	45,000
Index Price	99.35
Derivative, Inception Date	Jan. 01, 2012
Derivative, Maturity Date	Mar. 31, 2012
Oil Price Swap Seven [Member]
Aggregate Volume	176,000
Index Price	110.34
Derivative, Inception Date	Jan. 01, 2012
Derivative, Maturity Date	Nov. 30, 2012
Oil Price Swap Eight [Member]
Aggregate Volume	900,000
Index Price	106.20
Derivative, Inception Date	Jan. 01, 2012
Derivative, Maturity Date	Dec. 31, 2012
Oil Price Swap Nine [Member]
Aggregate Volume	555,000
Index Price	99.00
Derivative, Inception Date	Jul. 01, 2012
Derivative, Maturity Date	Dec. 31, 2012
Oil Price Swap Ten [Member]
Aggregate Volume	2,844,000
Index Price	100.73
Derivative, Inception Date	Jan. 01, 2013
Derivative, Maturity Date	Dec. 31, 2013

XML



Acquisitions And Business Combinations

6 Months Ended

Jun. 30, 2011

Acquisitions And Business Combinations

Acquisitions And Business Combinations

Note D. Acquisitions and business combinations

Marbob and Settlement Acquisitions. In July 2010, the Company entered into an asset purchase agreement to acquire certain of the oil and natural gas leases, interests, properties and related assets owned by Marbob Energy Corporation and its affiliates (collectively, "Marbob") for aggregate consideration of (i) cash in the amount of $1.45 billion, (ii) the issuance to Marbob of a $150 million 8.0% unsecured senior note due 2018 and (iii) the issuance to Marbob of approximately 1.1 million shares of the Company's common stock, subject to purchase price adjustments, which included downward purchase price adjustments based on the exercise by third parties of contractual preferential purchase rights in properties to be acquired from Marbob ("Marbob Acquisition").

On October 7, 2010, the Company closed the Marbob Acquisition. At closing, the Company paid approximately $1.1 billion in cash plus the unsecured senior note and common stock described above for a total purchase price of approximately $1.4 billion. The total purchase price as originally announced was reduced due to third party contractual preferential purchase rights in the Marbob properties. Certain of the third parties' contractual preferential purchase rights became subject to litigation, as discussed below.

The Company funded the cash consideration in the Marbob Acquisition with (a) borrowings under its credit facility and (b) net proceeds of $292.7 million from a private placement of approximately 6.6 million shares of the Company's common stock at a price of $45.30 per share that closed on October 7, 2010.

Certain of the Marbob interests in properties contained contractual preferential purchase rights by third parties if Marbob were to sell them. Marbob informed the Company of its receipt of a notice from BP America Production Company ("BP") electing to exercise its contractual preferential purchase rights in certain of Marbob's properties as a result of the Marbob Acquisition.

On July 20, 2010, BP announced it was selling all its assets in the Permian Basin to a subsidiary of Apache Corporation ("Apache"). Marbob and BP owned common interests in certain properties subject to contractual preferential purchase rights. BP and Apache contested Marbob's ability to exercise its contractual preferential purchase rights in this situation. As a result, Marbob and the Company filed suit against BP and Apache seeking declaratory judgment and injunctive relief to protect Marbob's contractual right to have the option to purchase these interests in these common properties.

On October 15, 2010, the Company and Marbob resolved the litigation with BP and Apache related to the disputed contractual preferential purchase rights. As a result of the settlement, the Company acquired a non-operated interest in substantially all of the oil and natural gas assets subject to the litigation for approximately $286 million in cash (the "Settlement Acquisition"). The Company funded the Settlement Acquisition with borrowings under its credit facility.

The results of operations of the Marbob and Settlement Acquisitions are included in the Company's results of operations since their respective closing dates in October 2010.

The following tables represent the allocation of the total purchase price of the Marbob and Settlement Acquisitions to the acquired assets and liabilities assumed. The allocation represents the fair values assigned to each of the assets acquired and liabilities assumed:

	Marbob			Settlement
(in thousands)	Acquisition			Acquisition
Fair value of net assets:
Proved oil and natural gas properties	$	1,014,734		$	185,337
Unproved oil and natural gas properties		334,866			101,582
Other long-term assets		20,771			-
Total assets acquired		1,370,371			286,919
Asset retirement obligations and other liabilities assumed		(7,851)			(689)
Total purchase price	$	1,362,520		$	286,230
Fair value of consideration paid for net assets:
Cash consideration	$	1,127,747		$	286,230
Marbob $150 million senior unsecured 8% note, due 2018		159,000	(a)		-
Common stock, $0.001 par value; 1,103,752 shares issued		75,773	(b)		-
Total purchase price	$	1,362,520		$	286,230

^(a)  The fair value of the $150 million 8.0% senior unsecured note due 2018 issued to Marbob, was calculated by reference to the traded market yield of Concho's 8.625% senior unsecured notes due 2017, at September 30, 2010.

^(b)  The fair value of the Concho common stock issued to Marbob was valued at the average of the high and low price on the closing date (October 7, 2010) of $68.65 per share.

Pro forma data. The following unaudited pro forma combined condensed financial data for the three and six months ended June 30, 2010, was derived from the historical financial statements of the Company giving effect to the Marbob and Settlement Acquisitions as if they had occurred on January 1, 2010. The results of operations of the Marbob and Settlement Acquisitions are included in the Company's results of operations for the three and six months ended June 30, 2011.

The unaudited pro forma combined condensed financial data has been included for comparative purposes only and is not necessarily indicative of the results that might have occurred had these acquisitions taken place as of the date indicated and is not intended to be a projection of future results.

	Three Months Ended June 30,		Six Months Ended June 30,
(in thousands, except per share data)	2010		2010
	(unaudited)
Operating revenues from continuing operations	$	269,246	$	512,088
Income from continuing operations	$	126,614	$	188,936
Income from continuing operations per common share:
Basic	$	1.28	$	1.93
Diluted	$	1.27	$	1.91

Note E. Asset retirement obligations

The Company's asset retirement obligations represent the estimated present value of the estimated cash flows the Company will incur to plug, abandon and remediate its producing properties at the end of their productive lives, in accordance with applicable state laws and contractual obligations. The Company does not provide for a market risk premium associated with asset retirement obligations because a reliable estimate cannot be determined. The Company has no assets that are legally restricted for purposes of settling asset retirement obligations.

The following table summarizes the Company's asset retirement obligation activity recorded during the three and six months ended June 30, 2011 and 2010:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Asset retirement obligations, beginning of period	$	43,788	$	20,837	$	43,326	$	22,754
Liabilities incurred from new wells		1,416		665		3,239		1,111
Liabilities assumed in acquisitions		-		-		148		-
Accretion expense on continuing operations		715		316		1,419		657
Accretion expense on discontinued operations		-		56		8		115
Disposition of wells		-		-		(412)		-
Liabilities settled upon plugging and abandoning wells		(385)		(112)		(686)		(297)
Revision of estimates		(339)		295		(1,847)		(2,283)
Asset retirement obligations, end of period	$	45,195	$	22,057	$	45,195	$	22,057

XML



Supplementary Information

6 Months Ended

Jun. 30, 2011

Supplementary Information

Supplementary Information

Note S. Supplementary information

Capitalized costs

	June 30,		December 31,
(in thousands)	2011		2010
Oil and natural gas properties:
Proved	$	5,546,152	$	4,982,316
Unproved		734,402		633,933
Less: accumulated depletion and depreciation		(881,607)		(730,509)
Net capitalized costs for oil and natural gas properties	$	5,398,947	$	4,885,740

Costs incurred for oil and natural gas producing activities ^(a)

Three Months Ended					Six Months Ended
	June 30,					June 30,
(in thousands)	2011		2010			2011		2010
Property acquisition costs:
Proved	$	3,230	$	3,897		$	69,148	$	13,739
Unproved		18,132		15,673			75,340		21,029
Exploration		181,353		36,434			271,919		61,933
Development		140,768		134,206			334,485		245,912
Total costs incurred for oil and natural gas properties	$	343,483	$	190,210		$	750,892	$	342,613

^(a) The costs incurred for oil and natural gas producing activities includes the following amounts of asset retirement obligations:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Proved property acquisition costs	$	-	$	-	$	148	$	-
Exploration costs		320		184		640		252
Development costs		757		776		752		(1,424)
Total	$	1,077	$	960	$	1,540	$	(1,172)

XML



Subsidiary Guarantors (Tables)

3 Months Ended

6 Months Ended

12 Months Ended

Jun. 30, 2011

Jun. 30, 2010

Jun. 30, 2011

Jun. 30, 2010

Dec. 31, 2010

Subsidiary Guarantors

Condensed Consolidating Balance Sheet

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
ASSETS
Accounts receivable - related parties	$	4,689,765	$	190,246	$	(4,879,855)	$	156
Other current assets		40,688		397,708		-		438,396
Oil and natural gas properties, net		-		5,398,947		-		5,398,947
Property and equipment, net		-		50,340		-		50,340
Investment in subsidiaries		1,946,903		-		(1,946,903)		-
Other long-term assets		71,453		76,851		-		148,304
Total assets	$	6,748,809	$	6,114,092	$	(6,826,758)	$	6,036,143
LIABILITIES AND EQUITY
Accounts payable - related parties	$	1,271,524	$	3,608,865	$	(4,879,855)	$	534
Other current liabilities		117,678		518,897		-		636,575
Other long-term liabilities		929,320		39,427		-		968,747
Long-term debt		1,735,926		-		-		1,735,926
Equity		2,694,361		1,946,903		(1,946,903)		2,694,361
Total liabilities and equity	$	6,748,809	$	6,114,092	$	(6,826,758)	$	6,036,143

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
ASSETS
Accounts receivable - related parties	$	5,532,317	$	534,447	$	(6,066,595)	$	169
Other current assets		51,084		279,380		-		330,464
Oil and natural gas properties, net		-		4,885,740		-		4,885,740
Property and equipment, net		-		28,047		-		28,047
Investment in subsidiaries		1,363,908		-		(1,363,908)		-
Other long-term assets		55,061		69,013		-		124,074
Total assets	$	7,002,370	$	5,796,627	$	(7,430,503)	$	5,368,494
LIABILITIES AND EQUITY
Accounts payable - related parties	$	2,061,777	$	4,006,015	$	(6,066,595)	$	1,197
Other current liabilities		115,662		390,130		-		505,792
Other long-term liabilities		772,536		36,574		-		809,110
Long-term debt		1,668,521		-		-		1,668,521
Equity		2,383,874		1,363,908		(1,363,908)		2,383,874
Total liabilities and equity	$	7,002,370	$	5,796,627	$	(7,430,503)	$	5,368,494

Condensed Consolidating Statement Of Operations

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	446,232	$	-	$	446,232
Total operating costs and expenses		143,175		(190,560)		-		(47,385)
Income from continuing operations		143,175		255,672		-		398,847
Interest expense		(21,660)		-		-		(21,660)
Other, net		253,937		(1,635)		(254,037)		(1,735)
Income from continuing operations before income taxes		375,452		254,037		(254,037)		375,452
Income tax expense		(143,270)		-		-		(143,270)
Net income		232,182		254,037		(254,037)		232,182

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	199,315	$	-	$	199,315
Total operating costs and expenses		109,112		(104,923)		-		4,189
Income from continuing operations		109,112		94,392		-		203,504
Interest expense		(11,192)		-		-		(11,192)
Other, net		100,995		(304)		(100,995)		(304)
Income from continuing operations before income taxes		198,915		94,088		(100,995)		192,008
Income tax expense		(72,220)		-		-		(72,220)
Income from continuing operations		126,695		94,088		(100,995)		119,788
Income from discontinued operations, net of tax		(2,524)		6,907		-		4,383
Net income	$	124,171	$	100,995	$	(100,995)	$	124,171

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	807,072	$	-	$	807,072
Total operating costs and expenses		(87,688)		(369,607)		-		(457,295)
Income (loss) from continuing operations		(87,688)		437,465		-		349,777
Interest expense		(51,320)		-		-		(51,320)
Other, net		583,095		(2,187)		(582,995)		(2,087)
Income from continuing operations before income taxes		444,087		435,278		(582,995)		296,370
Income tax expense		(112,801)		-		-		(112,801)
Income from continuing operations		331,286		435,278		(582,995)		183,569
Income from discontinued operations, net of tax		(56,529)		147,717		-		91,188
Net income	$	274,757	$	582,995	$	(582,995)	$	274,757

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	398,488	$	-	$	398,488
Total operating costs and expenses		125,055		(204,805)		-		(79,750)
Income from continuing operations		125,055		193,683		-		318,738
Interest expense		(22,257)		-		-		(22,257)
Other, net		203,597		(377)		(203,597)		(377)
Income from continuing operations before income taxes		306,395		193,306		(203,597)		296,104
Income tax expense		(110,983)		-		-		(110,983)
Income from continuing operations		195,412		193,306		(203,597)		185,121
Income from discontinued operations, net of tax		(3,701)		10,291		-		6,590
Net income	$	191,711	$	203,597	$	(203,597)	$	191,711

Condensed Consolidating Statement Of Cash Flows

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Net cash flows provided by (used in) operating activities	$	(4,955)	$	490,802	$	-	$	485,847
Net cash flows used in investing activities		(72,787)		(509,161)		-		(581,948)
Net cash flows provided by financing activities		78,071		18,043		-		96,114
Net increase (decrease) in cash and cash equivalents		329		(316)		-		13
Cash and cash equivalents at beginning of period		46		338		-		384
Cash and cash equivalents at end of period	$	375	$	22	$	-	$	397

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Net cash flows provided by (used in) operating activities	$	(17,206)	$	256,736	$	-	$	239,530
Net cash flows used in investing activities		(8,024)		(294,141)		-		(302,165)
Net cash flows provided by financing activities		25,207		34,577		-		59,784
Net decrease in cash and cash equivalents		(23)		(2,828)		-		(2,851)
Cash and cash equivalents at beginning of period		48		3,186		-		3,234
Cash and cash equivalents at end of period	$	25	$	358	$	-	$	383

XML



Income Taxes (Tables)

6 Months Ended

Jun. 30, 2011

Income Taxes

Company's Income Tax Provision

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Income from continuing operations	$	143,270	$	72,220	$	112,801	$	110,983
Income from discontinued operations		-		2,524		56,529		3,701
Changes in stockholders' equity:
Excess tax benefits related to stock-based compensation		(4,074)		(3,205)		(21,117)		(6,703)
	$	139,196	$	71,539	$	148,213	$	107,981

Company's Income Tax Provision Attributable To Income From Operations

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Current:
U.S. federal	$	3,208	$	393	$	9,552	$	9,753
U.S. state and local		519		487		1,282		1,714
Total current income tax provision		3,727		880		10,834		11,467
Deferred:
U.S. federal		121,452		63,898		88,599		89,049
U.S. state and local		18,091		7,442		13,368		10,467
Total deferred income tax provision		139,543		71,340		101,967		99,516
Total income tax provision attributable to income from continuing operations	$	143,270	$	72,220	$	112,801	$	110,983

Reconciliation Between The Tax Expense And The Reported Amounts Of Income Tax Expense

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Income at U.S. federal statutory rate	$	131,409	$	67,203	$	103,730	$	103,636
State income taxes, net of federal tax effect		12,097		5,156		9,523		7,917
Statutory depletion		(144)		46		(186)		(178)
Nondeductible expense & other		(92)		(185)		(266)		(392)
Income tax expense	$	143,270	$	72,220	$	112,801	$	110,983
Effective tax rate		38.2%		37.6%		38.1%		37.5%

Company's Income Tax Provision Attributable To Income From Discontinued Operations

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Current:
U.S. federal	$	-	$	1,234	$	(1,192)	$	2,753
U.S. state and local		-		5		4		11
Total current income tax provision (benefit)		-		1,239		(1,188)		2,764
Deferred:
U.S. federal		-		1,014		50,373		543
U.S. state and local		-		271		7,344		394
Total deferred income tax provision		-		1,285		57,717		937
Total income tax provision attributable to income from discontinued operations	$	-	$	2,524	$	56,529	$	3,701

XML



Discontinued Operations (Schedule Of Discontinued Operations) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Discontinued Operations
Oil sales	$ 15,135		$ 9,456		$ 25,072
Natural gas sales	1,260		68		4,150
Total operating revenues	16,395		9,524		29,222
Oil and natural gas production	4,006	[1]	1,642	[1]	7,376	[1]
Exploration and abandonments	(44)	[1]			142	[1]
Depreciation, depletion and amortization	4,490	[1]	2,107	[1]	8,174	[1]
Accretion of discount on asset retirement obligations	56	[1]	8	[1]	115	[1]
Impairments of long-lived assets	1,203	[1]			3,567	[1]
General and administrative	(223)	[2]			(443)	[2]
Total operating costs and expenses	9,488		3,757		18,931
Income from operations	6,907	[1]	5,767	[1]	10,291	[1]
Gain on disposition of assets, net			141,950	[1]
Income from discontinued operations before income taxes	6,907		147,717		10,291
Current	(1,239)		1,188		(2,764)
Deferred	(1,285)	[1]	(57,717)	[1]	(937)	[1]
Income from discontinued operations, net of tax	$ 4,383	[3]	$ 91,188		$ 6,590	[3]

[1] Represents the significant non-cash components of discontinued operations.

[2] Represents the fees received from third-parties for operating oil and natural gas properties that were sold. The Company reflects these fees as a reduction of general and administrative expenses.

[3] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Subsidiary Guarantors

6 Months Ended

Jun. 30, 2011

Subsidiary Guarantors

Subsidiary Guarantors

Note Q. Subsidiary guarantors

All of the Company's wholly-owned subsidiaries have fully and unconditionally guaranteed the senior notes of the Company (see Note J). In accordance with practices accepted by the United States Securities and Exchange Commission (the "SEC"), the Company has prepared Condensed Consolidating Financial Statements in order to quantify the assets and liabilities, results of operations and cash flows of such subsidiaries as subsidiary guarantors. The following Condensed Consolidating Balance Sheets at June 30, 2011 and December 31, 2010, Condensed Consolidating Statements of Operations for the three and six months ended June 30, 2011 and 2010 and Condensed Consolidating Statements of Cash Flows for the six months ended June 30, 2011 and 2010, present financial information for Concho Resources Inc. as the parent on a stand-alone basis (carrying any investments in subsidiaries under the equity method), financial information for the subsidiary guarantors on a stand-alone basis (carrying any investment in non-guarantor subsidiaries under the equity method), and the consolidation and elimination entries necessary to arrive at the information for the Company on a consolidated basis. All current and deferred income taxes are recorded on Concho Resources Inc., as the subsidiaries are flow-through entities for income tax purposes. The subsidiary guarantors are not restricted from making distributions to the parent company.

Condensed Consolidating Balance Sheet

June 30, 2011

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
ASSETS
Accounts receivable - related parties	$	4,689,765	$	190,246	$	(4,879,855)	$	156
Other current assets		40,688		397,708		-		438,396
Oil and natural gas properties, net		-		5,398,947		-		5,398,947
Property and equipment, net		-		50,340		-		50,340
Investment in subsidiaries		1,946,903		-		(1,946,903)		-
Other long-term assets		71,453		76,851		-		148,304
Total assets	$	6,748,809	$	6,114,092	$	(6,826,758)	$	6,036,143
LIABILITIES AND EQUITY
Accounts payable - related parties	$	1,271,524	$	3,608,865	$	(4,879,855)	$	534
Other current liabilities		117,678		518,897		-		636,575
Other long-term liabilities		929,320		39,427		-		968,747
Long-term debt		1,735,926		-		-		1,735,926
Equity		2,694,361		1,946,903		(1,946,903)		2,694,361
Total liabilities and equity	$	6,748,809	$	6,114,092	$	(6,826,758)	$	6,036,143

Condensed Consolidating Balance Sheet

December 31, 2010

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
ASSETS
Accounts receivable - related parties	$	5,532,317	$	534,447	$	(6,066,595)	$	169
Other current assets		51,084		279,380		-		330,464
Oil and natural gas properties, net		-		4,885,740		-		4,885,740
Property and equipment, net		-		28,047		-		28,047
Investment in subsidiaries		1,363,908		-		(1,363,908)		-
Other long-term assets		55,061		69,013		-		124,074
Total assets	$	7,002,370	$	5,796,627	$	(7,430,503)	$	5,368,494
LIABILITIES AND EQUITY
Accounts payable - related parties	$	2,061,777	$	4,006,015	$	(6,066,595)	$	1,197
Other current liabilities		115,662		390,130		-		505,792
Other long-term liabilities		772,536		36,574		-		809,110
Long-term debt		1,668,521		-		-		1,668,521
Equity		2,383,874		1,363,908		(1,363,908)		2,383,874
Total liabilities and equity	$	7,002,370	$	5,796,627	$	(7,430,503)	$	5,368,494

Condensed Consolidating Statement of Operations

Three Months Ended June 30, 2011

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	446,232	$	-	$	446,232
Total operating costs and expenses		143,175		(190,560)		-		(47,385)
Income from continuing operations		143,175		255,672		-		398,847
Interest expense		(21,660)		-		-		(21,660)
Other, net		253,937		(1,635)		(254,037)		(1,735)
Income from continuing operations before income taxes		375,452		254,037		(254,037)		375,452
Income tax expense		(143,270)		-		-		(143,270)
Net income		232,182		254,037		(254,037)		232,182

Condensed Consolidating Statement of Operations

Three Months Ended June 30, 2010

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	199,315	$	-	$	199,315
Total operating costs and expenses		109,112		(104,923)		-		4,189
Income from continuing operations		109,112		94,392		-		203,504
Interest expense		(11,192)		-		-		(11,192)
Other, net		100,995		(304)		(100,995)		(304)
Income from continuing operations before income taxes		198,915		94,088		(100,995)		192,008
Income tax expense		(72,220)		-		-		(72,220)
Income from continuing operations		126,695		94,088		(100,995)		119,788
Income from discontinued operations, net of tax		(2,524)		6,907		-		4,383
Net income	$	124,171	$	100,995	$	(100,995)	$	124,171

Condensed Consolidating Statement of Operations

Six Months Ended June 30, 2011

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	807,072	$	-	$	807,072
Total operating costs and expenses		(87,688)		(369,607)		-		(457,295)
Income (loss) from continuing operations		(87,688)		437,465		-		349,777
Interest expense		(51,320)		-		-		(51,320)
Other, net		583,095		(2,187)		(582,995)		(2,087)
Income from continuing operations before income taxes		444,087		435,278		(582,995)		296,370
Income tax expense		(112,801)		-		-		(112,801)
Income from continuing operations		331,286		435,278		(582,995)		183,569
Income from discontinued operations, net of tax		(56,529)		147,717		-		91,188
Net income	$	274,757	$	582,995	$	(582,995)	$	274,757

Condensed Consolidating Statement of Operations

Six Months Ended June 30, 2010

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Total operating revenues	$	-	$	398,488	$	-	$	398,488
Total operating costs and expenses		125,055		(204,805)		-		(79,750)
Income from continuing operations		125,055		193,683		-		318,738
Interest expense		(22,257)		-		-		(22,257)
Other, net		203,597		(377)		(203,597)		(377)
Income from continuing operations before income taxes		306,395		193,306		(203,597)		296,104
Income tax expense		(110,983)		-		-		(110,983)
Income from continuing operations		195,412		193,306		(203,597)		185,121
Income from discontinued operations, net of tax		(3,701)		10,291		-		6,590
Net income	$	191,711	$	203,597	$	(203,597)	$	191,711

Condensed Consolidating Statement of Cash Flows

Six Months Ended June 30, 2011

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Net cash flows provided by (used in) operating activities	$	(4,955)	$	490,802	$	-	$	485,847
Net cash flows used in investing activities		(72,787)		(509,161)		-		(581,948)
Net cash flows provided by financing activities		78,071		18,043		-		96,114
Net increase (decrease) in cash and cash equivalents		329		(316)		-		13
Cash and cash equivalents at beginning of period		46		338		-		384
Cash and cash equivalents at end of period	$	375	$	22	$	-	$	397

Condensed Consolidating Statement of Cash Flows

Six Months Ended June 30, 2010

	Parent		Subsidiary		Consolidating
(in thousands)	Issuer		Guarantors		Entries		Total
Net cash flows provided by (used in) operating activities	$	(17,206)	$	256,736	$	-	$	239,530
Net cash flows used in investing activities		(8,024)		(294,141)		-		(302,165)
Net cash flows provided by financing activities		25,207		34,577		-		59,784
Net decrease in cash and cash equivalents		(23)		(2,828)		-		(2,851)
Cash and cash equivalents at beginning of period		48		3,186		-		3,234
Cash and cash equivalents at end of period	$	25	$	358	$	-	$	383

XML



Supplementary Information (Asset Retirement Obligations For Oil And Natural Gas Producing Activities) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Supplementary Information
Proved property acquisition costs			$ 148
Exploration costs	320	184	640	252
Development Costs	757	776	752	(1,424)
Total	$ 1,077	$ 960	$ 1,540	$ (1,172)

XML



Derivative Financial Instruments

6 Months Ended

Jun. 30, 2011

Derivative Financial Instruments

Derivative Financial Instruments

Note I. Derivative financial instruments

The Company uses derivative financial contracts to manage exposures to commodity price and interest rate fluctuations. Commodity hedges are used to (i) reduce the effect of the volatility of price changes on the oil and natural gas the Company produces and sells, (ii) support the Company's capital budget and expenditure plans and (iii) support the economics associated with acquisitions. Interest rate hedges are used to mitigate the cash flow risk associated with rising interest rates. The Company does not enter into derivative financial instruments for speculative or trading purposes. The Company also may enter into physical delivery contracts to effectively provide commodity price hedges. Because these contracts are not expected to be net cash settled, they are considered to be normal sales contracts and not derivatives. Therefore, these contracts are not recorded in the Company's consolidated financial statements.

Currently, the Company does not designate its derivative instruments to qualify for hedge accounting. Accordingly, the Company reflects changes in the fair value of its derivative instruments in its statements of operations.

New commodity derivative contracts in the first six months of 2011. During the six months ended June 30, 2011, the Company entered into additional commodity derivative contracts to hedge a portion of its estimated future production. The following table summarizes information about these additional commodity derivative contracts. When aggregating multiple contracts, the weighted average contract price is disclosed.

	Aggregate Volume		Index Price (a)		Contract Period
Oil (volumes in Bbls):
Price swap		115,000	$	96.65		03/01/11 - 11/30/11
Price swap		200,000	$	97.20		03/01/11 - 12/31/11
Price swap		190,000	$	111.41		05/01/11 - 07/31/11
Price swap		736,000	$	110.21		05/01/11 - 12/31/11
Price swap		66,000	$	111.80		08/01/11 - 11/30/11
Price swap		45,000	$	99.35		01/01/12 - 03/31/12
Price swap		176,000	$	110.34		01/01/12 - 11/30/12
Price swap		900,000	$	106.20		01/01/12 - 12/31/12
Price swap		555,000	$	99.00		07/01/12 - 12/31/12
Price swap		2,844,000	$	100.73		01/01/13 - 12/31/13

(a) The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

Commodity derivative contracts at June 30, 2011. The following table sets forth the Company's outstanding commodity derivative contracts at June 30, 2011. When aggregating multiple contracts, the weighted average contract price is disclosed.

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total
Oil Swaps: (a)
2011:
Volume (Bbl)						2,855,436		2,598,436		5,453,872
Price per Bbl						$87.09		$86.60		$86.86
2012:
Volume (Bbl)		2,409,500		2,261,500		2,143,500		2,042,500		8,857,000
Price per Bbl		$92.40		$92.22		$94.09		$94.11		$93.16
2013:
Volume (Bbl)		1,056,000		1,056,000		1,056,000		1,056,000		4,224,000
Price per Bbl		$94.80		$94.80		$94.80		$94.80		$94.80
2014:
Volume (Bbl)		312,000		312,000		312,000		312,000		1,248,000
Price per Bbl		$83.94		$83.94		$83.94		$83.94		$83.94
2015:
Volume (Bbl)		300,000		300,000		-		-		600,000
Price per Bbl		$84.50		$84.50		$    -		$    -		$84.50
Natural Gas Swaps: (b)
2011:
Volume (MMBtu)						3,069,000		3,069,000		6,138,000
Price per MMBtu						$6.62		$6.62		$6.62
2012:
Volume (MMBtu)		75,000		75,000		75,000		75,000		300,000
Price per MMBtu		$6.54		$6.54		$6.54		$6.54		$6.54
Natural Gas Basis Swaps: (c)
2011:
Volume (MMBtu)						1,800,000		1,800,000		3,600,000
Price per MMBtu						$0.76		$0.76		$0.76

(a) The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

(b) The index prices for the natural gas price swaps are based on the NYMEX-Henry Hub last trading day futures price.

(c) The basis differential between the El Paso Permian delivery point and NYMEX-Henry Hub delivery point.

Interest rate derivative contracts. The Company had interest rate swaps that fixed the LIBOR interest rate on $300 million of its borrowings under its credit facility at 1.90 percent for three years beginning in May 2009. In May 2011, in connection with issuing additional senior notes and a review of amounts that may be outstanding under its credit facility, the Company terminated its interest rate swaps for approximately $5.0 million. For this portion of the Company's borrowings under its credit facility, the all-in interest rate was calculated by adding the fixed rate of 1.90 percent to a margin that ranged from 1.50 percent to 2.50 percent, depending on the amount of borrowings under its credit facility outstanding. See Note J for further discussion of the Company's credit facility.

The following table summarizes the gains and losses reported in earnings related to the commodity and interest rate derivative instruments for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Gain (loss) on derivatives not designated as hedges:
Cash (payments on) receipts from derivatives not designated as hedges:
Commodity derivatives:
Oil	$	(48,398)	$	(2,852)	$	(80,628)	$	(12,985)
Natural gas		6,076		5,614		11,205		6,120
Interest rate derivatives		(5,429)		(1,221)		(6,624)		(2,434)
Mark-to-market gain (loss):
Commodity derivatives:
Oil		192,566		119,303		(8,942)		120,741
Natural gas		(4,802)		(6,509)		(9,025)		20,678
Interest rate derivatives		4,869		(1,572)		5,754		(3,784)
Total gain (loss) on derivatives not designated as hedges	$	144,882	$	112,763	$	(88,260)	$	128,336

All of the Company's derivative contracts at June 30, 2011 are expected to settle by June 30, 2015.

XML



Consolidated Statements Of Cash Flows (Parenthetical) (USD $) In Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
SUPPLEMENTAL CASH FLOWS:
Cash paid for capitalized interest	$ 38	$ 73	$ 56

XML



Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2011

Derivative Financial Instruments

Hedging Of Estimated Future Production

	Aggregate Volume		Index Price (a)		Contract Period
Oil (volumes in Bbls):
Price swap		115,000	$	96.65		03/01/11 - 11/30/11
Price swap		200,000	$	97.20		03/01/11 - 12/31/11
Price swap		190,000	$	111.41		05/01/11 - 07/31/11
Price swap		736,000	$	110.21		05/01/11 - 12/31/11
Price swap		66,000	$	111.80		08/01/11 - 11/30/11
Price swap		45,000	$	99.35		01/01/12 - 03/31/12
Price swap		176,000	$	110.34		01/01/12 - 11/30/12
Price swap		900,000	$	106.20		01/01/12 - 12/31/12
Price swap		555,000	$	99.00		07/01/12 - 12/31/12
Price swap		2,844,000	$	100.73		01/01/13 - 12/31/13

(a) The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

Outstanding Commodity Derivative Contracts

 

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total
Oil Swaps: (a)
2011:
Volume (Bbl)						2,855,436		2,598,436		5,453,872
Price per Bbl						$87.09		$86.60		$86.86
2012:
Volume (Bbl)		2,409,500		2,261,500		2,143,500		2,042,500		8,857,000
Price per Bbl		$92.40		$92.22		$94.09		$94.11		$93.16
2013:
Volume (Bbl)		1,056,000		1,056,000		1,056,000		1,056,000		4,224,000
Price per Bbl		$94.80		$94.80		$94.80		$94.80		$94.80
2014:
Volume (Bbl)		312,000		312,000		312,000		312,000		1,248,000
Price per Bbl		$83.94		$83.94		$83.94		$83.94		$83.94
2015:
Volume (Bbl)		300,000		300,000		-		-		600,000
Price per Bbl		$84.50		$84.50		$    -		$    -		$84.50
Natural Gas Swaps: (b)
2011:
Volume (MMBtu)						3,069,000		3,069,000		6,138,000
Price per MMBtu						$6.62		$6.62		$6.62
2012:
Volume (MMBtu)		75,000		75,000		75,000		75,000		300,000
Price per MMBtu		$6.54		$6.54		$6.54		$6.54		$6.54
Natural Gas Basis Swaps: (c)
2011:
Volume (MMBtu)						1,800,000		1,800,000		3,600,000
Price per MMBtu						$0.76		$0.76		$0.76

(a) The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

(b) The index prices for the natural gas price swaps are based on the NYMEX-Henry Hub last trading day futures price.

(c) The basis differential between the El Paso Permian delivery point and NYMEX-Henry Hub delivery point.

Gains And Losses Reported In Earnings Related To The Commodity And Interest Rate Derivative Instruments

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Gain (loss) on derivatives not designated as hedges:
Cash (payments on) receipts from derivatives not designated as hedges:
Commodity derivatives:
Oil	$	(48,398)	$	(2,852)	$	(80,628)	$	(12,985)
Natural gas		6,076		5,614		11,205		6,120
Interest rate derivatives		(5,429)		(1,221)		(6,624)		(2,434)
Mark-to-market gain (loss):
Commodity derivatives:
Oil		192,566		119,303		(8,942)		120,741
Natural gas		(4,802)		(6,509)		(9,025)		20,678
Interest rate derivatives		4,869		(1,572)		5,754		(3,784)
Total gain (loss) on derivatives not designated as hedges	$	144,882	$	112,763	$	(88,260)	$	128,336

XML



Stockholders' Equity

6 Months Ended

Jun. 30, 2011

Stockholders' Equity

Stockholders' Equity

Note F. Stockholders' equity

Public common stock offering. In December 2010, the Company issued, including the over-allotment option, in a secondary public offering 2.9 million shares of its common stock at $82.50 per share, and it received net proceeds of approximately $227.4 million. The Company used the net proceeds from this offering to repay a portion of the outstanding borrowings under its credit facility.

In February 2010, the Company issued, including the over-allotment option, in a secondary public offering 5.3 million shares of its common stock at $42.75 per share, and it received net proceeds of approximately $219.3 million. The Company used the net proceeds from this offering to repay a portion of the outstanding borrowings under its credit facility.

Private placement of common stock. In October 2010, the Company closed the private placement of its common stock, simultaneously with the closing of the Marbob Acquisition, on 6.6 million shares at a price of $45.30 per share for net proceeds of approximately $292.7 million.

Treasury stock. The restrictions on certain restricted stock awards issued to certain of the Company's officers and key employees lapsed during the six months ended June 30, 2011 and 2010. Immediately upon the lapse of restrictions, these officers and key employees became liable for income taxes on the value of such shares. In accordance with the Company's 2006 Stock Incentive Plan (the "Plan") and the applicable restricted stock award agreements, some of such officers and key employees elected to deliver shares of the Company's common stock to the Company in exchange for cash used to satisfy such tax liability. In total, at June 30, 2011 and December 31, 2010, the Company had acquired 48,849 and 31,963 shares of the Company's common stock, respectively, that are held as treasury stock in the approximate amount of $3.3 million and $1.6 million, respectively.

XML



Commitments And Contingencies

6 Months Ended

Jun. 30, 2011

Commitments And Contingencies

Commitments And Contingencies

Note K. Commitments and contingencies

Severance agreements. The Company has entered into severance and change in control agreements with all of its senior officers. The current annual salaries for the Company's officers covered under such agreements total approximately $3.6 million.

Indemnification. The Company has agreed to indemnify its directors and officers, with respect to claims and damages arising from certain acts or omissions taken in such capacity.

Legal actions. The Company is a party to proceedings and claims incidental to its business. While many of these matters involve inherent uncertainty, the Company believes that the amount of the liability, if any, ultimately incurred with respect to any such proceedings or claims will not have a material adverse effect on the Company's consolidated financial position as a whole or on its liquidity, capital resources or future results of operations. The Company will continue to evaluate proceedings and claims involving the Company on a quarter-by-quarter basis and will establish and adjust any reserves as appropriate to reflect its assessment of the then current status of the matters.

Daywork commitments. The Company periodically enters into contractual arrangements under which the Company is committed to expend funds to drill wells in the future, including agreements to secure drilling rig services, which require the Company to make future minimum payments to the rig operators. The Company records drilling commitments in the periods in which well capital is incurred or rig services are provided. The following table summarizes the Company's future drilling commitments at June 30, 2011:

Payments Due By Period
(in thousands)	Total		Less than 1 year		1 - 3 years		3 - 5 years		More than         5 years
Daywork drilling contracts with related parties (a)	$	2,769	$	2,769	$	-	$	-	$	-
Other daywork drilling contracts		1,975		1,975		-		-		-
Total contractual drilling commitments	$	4,744	$	4,744	$	-	$	-	$	-

^(a)  Consists of daywork drilling contracts with (i) Silver Oak Drilling, LLC, an affiliate of Chase Oil Corporation ("Chase Oil"), a stockholder of the Company and (ii) a company in which one of the Company's employees owns a 3 percent interest.

Operating leases. The Company leases vehicles, equipment and office facilities under non-cancellable operating leases. Lease payments associated with these operating leases for the three months ended June 30, 2011 and 2010 were approximately $1.2 million and $0.5 million, respectively, and approximately $1.7 million and $1.1 million for the six months ended June 30, 2011 and 2010, respectively.

Future minimum lease commitments under non-cancellable operating leases at June 30, 2011 were as follows:

(in thousands)
Remaining 2011	$	1,896
2012		3,500
2013		2,994
2014		2,476
2015		2,595
Thereafter		1,295
Total	$	14,756

XML



Disclosures About Fair Value Of Financial Instruments (Net Basis Derivative Fair Values) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Disclosures About Fair Value Of Financial Instruments
Assets Current	$ 4,958	$ 6,855
Liabilities Current	(74,399)	(97,775)
Net current	(69,441)	(90,920)
Assets Noncurrent	512	2,233
Noncurrent derivative instruments	(83,618)	(51,647)
Net noncurrent	$ (83,106)	$ (49,414)

XML



Incentive Plans

6 Months Ended

Jun. 30, 2011

Incentive Plans

Incentive Plans

Note G. Incentive plans

Defined contribution plan. The Company sponsors a 401(k) defined contribution plan for the benefit of substantially all employees. Currently, the Company matches 100 percent of employee contributions, not to exceed 6 percent of the employee's annual salary. The Company's contributions to the plans for the three months ended June 30, 2011 and 2010 were approximately $0.5 million and $0.4 million, respectively, and approximately $0.9 million and $0.6 million for the six months ended June 30, 2011 and 2010, respectively.

Stock incentive plan. The Plan provides for granting stock options and restricted stock awards to employees and individuals associated with the Company. The following table shows the number of existing awards and awards available under the Plan at June 30, 2011:

	Number of
	Common Shares
Approved and authorized awards		5,850,000
Restricted stock grants, net of forfeitures		(1,420,736)
Stock option grants, net of forfeitures		(3,463,720)
Awards available for future grant		965,544

Restricted stock awards. All restricted shares are treated as issued and outstanding in the accompanying consolidated balance sheets. If an employee terminates employment prior the restriction lapse date, the awarded shares are forfeited and cancelled and are no longer considered issued and outstanding. A summary of the Company's restricted stock awards for the six months ended June 30, 2011 is presented below:

	Number of		Grant Date
	Restricted		Fair Value
	Shares		Per Share
Restricted stock:
Outstanding at December 31, 2010		820,884
Shares granted		122,787	$	102.83
Shares cancelled / forteited		(24,992)
Lapse of restrictions		(121,188)
Outstanding at June 30, 2011		797,491

The following table summarizes information about stock-based compensation for the Company's restricted stock awards for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Grant date fair value for awards during the period and change in fair value due to modification:
Employee grants	$	1,646	$	5,751	$	3,576	$	7,341
Officer and director grants		250		-		9,050		5,075
Total	$	1,896	$	5,751	$	12,626	$	12,416
Stock-based compensation expense from restricted stock:
Employee grants	$	1,809	$	1,140	$	3,651	$	2,118
Officer and director grants		2,707		1,152		4,993		1,996
Total	$	4,516	$	2,292	$	8,644	$	4,114
Income taxes and other information:
Income tax benefit related to restricted stock	$	1,727	$	864	$	3,305	$	1,553
Deductions in current taxable income related to restricted stock	$	4,934	$	1,252	$	12,012	$	2,959

Stock option awards. A summary of the Company's stock option awards activity under the Plan for the six months ended June 30, 2011 is presented below:

			Weighted
			Average
	Number of		Exercise
	Options		Price
Stock options:
Outstanding at December 31, 2010		1,597,003	$	15.43
Options exercised		(589,760)	$	12.11
Outstanding at June 30, 2011		1,007,243	$	17.37
Vested at end of period		775,349	$	16.48
Exercisable at end of period		725,446	$	17.06

The following table summarizes information about the Company's vested and exercisable stock options outstanding at June 30, 2011:

			Weighted
			Average		Weighted
Range of	Number		Remaining		Average
Exercise	Vested and		Contractual		Exercise		Intrinsic
Prices	Exercisable		Life		Price		Value
							(in thousands)
June 30, 2011:
Vested options:
$8.00		200,422		2.08 years	$	8.00	$	16,805
$12.00		53,535		4.26 years	$	12.00		4,275
$12.50 - $15.50		186,250		5.34 years	$	14.56		14,395
$20.00 - $23.00		276,712		6.82 years	$	21.66		19,422
$28.00 - $37.27		58,430		6.91 years	$	31.26		3,540
		775,349		5.07 years	$	16.48	$	58,437
Exercisable options:
$8.00		150,519		2.69 years	$	8.00	$	12,621
$12.00		53,535		4.26 years	$	12.00		4,275
$12.50 - $15.50		186,250		5.34 years	$	14.56		14,395
$20.00 - $23.00		276,712		6.82 years	$	21.66		19,422
$28.00 - $37.27		58,430		6.91 years	$	31.26		3,540
		725,446		5.40 years	$	17.06	$	54,253

The following table summarizes information about stock-based compensation for stock options for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Stock-based compensation expense from stock options:
Employee grants	$	22	$	42	$	45	$	86
Officer and director grants		187		537		504		1,502
Total	$	209	$	579	$	549	$	1,588
Income taxes and other information:
Income tax benefit related to stock options	$	80	$	218	$	210	$	599
Deductions in current taxable income related to stock options exercised	$	8,914	$	8,473	$	52,155	$	18,124

Future stock-based compensation expense. The following table reflects the future stock-based compensation expense to be recorded for all the stock-based compensation awards that are outstanding at June 30, 2011:

	Restricted		Stock
(in thousands)	Stock		Options		Total
Remaining 2011	$	8,590	$	331	$	8,921
2012		11,518		184		11,702
2013		7,268		15		7,283
2014		3,930		-		3,930
2015		116		-		116
Total	$	31,422	$	530	$	31,952

XML



Net Income Per Share (Summary of the common stock options and restricted stock) (Details) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount				1
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	47	2	25	4

XML



Subsidiary Guarantors (Condensed Consolidating Statement Of Cash Flows) (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Net cash flows provided by operating activities	$ 485,847	$ 239,530	[1]
Net cash flows used in investing activities	(581,948)	(302,165)	[1]
Net cash flows provided by financing activities	96,114	59,784	[1]
Net decrease in cash and cash equivalents	13	(2,851)	[1]
Cash and cash equivalents at beginning of period	384	3,234	[1]
Cash and cash equivalents at end of period	397	383	[1]
Parent Issuer [Member]
Net cash flows provided by operating activities	(4,955)	(17,206)
Net cash flows used in investing activities	(72,787)	(8,024)
Net cash flows provided by financing activities	78,071	25,207
Net decrease in cash and cash equivalents	329	(23)
Cash and cash equivalents at beginning of period	46	48
Cash and cash equivalents at end of period	375	25
Subsidiary Guarantors [Member]
Net cash flows provided by operating activities	490,802	256,736
Net cash flows used in investing activities	(509,161)	(294,141)
Net cash flows provided by financing activities	18,043	34,577
Net decrease in cash and cash equivalents	(316)	(2,828)
Cash and cash equivalents at beginning of period	338	3,186
Cash and cash equivalents at end of period	22	358
Consolidating Entries [Member]
Net cash flows provided by operating activities
Net cash flows used in investing activities
Net cash flows provided by financing activities
Net decrease in cash and cash equivalents
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Income Taxes (Company's Income Tax Provision) (Details) (USD $) In Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010		Jun. 30, 2011	Jun. 30, 2010
Income Taxes
Tax expense (benefit) related to income (loss) from operations	$ 143,270	$ 72,220	[1]	$ 112,801	$ 110,983	[1]
Total income tax provision attributable to income from discontinued operations		2,524		56,529	3,701
Excess tax benefits related to stock-based compensation	(4,074)	(3,205)		(21,117)	(6,703)
Income tax expense benefit, net of excess tax benefits	139,196	71,539		148,213	107,981
Valuation allowances related to deferred tax assets	$ 0	$ 0		$ 0	$ 0

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Commitments And Contingencies (Narrative) (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Commitments And Contingencies
Senior officers covered under severance agreements			$ 3.6
Operating lease payments associated with operating leases	$ 1.2	$ 0.5	$ 1.7	$ 1.1

XML



Asset Retirement Obligations (Tables)

6 Months Ended

Jun. 30, 2011

Asset Retirement Obligations

Asset Retirement Obligation Transactions

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Asset retirement obligations, beginning of period	$	43,788	$	20,837	$	43,326	$	22,754
Liabilities incurred from new wells		1,416		665		3,239		1,111
Liabilities assumed in acquisitions		-		-		148		-
Accretion expense on continuing operations		715		316		1,419		657
Accretion expense on discontinued operations		-		56		8		115
Disposition of wells		-		-		(412)		-
Liabilities settled upon plugging and abandoning wells		(385)		(112)		(686)		(297)
Revision of estimates		(339)		295		(1,847)		(2,283)
Asset retirement obligations, end of period	$	45,195	$	22,057	$	45,195	$	22,057

XML



Asset Retirement Obligations

6 Months Ended

Jun. 30, 2011

Asset Retirement Obligations

Asset Retirement Obligations

Note E. Asset retirement obligations

The Company's asset retirement obligations represent the estimated present value of the estimated cash flows the Company will incur to plug, abandon and remediate its producing properties at the end of their productive lives, in accordance with applicable state laws and contractual obligations. The Company does not provide for a market risk premium associated with asset retirement obligations because a reliable estimate cannot be determined. The Company has no assets that are legally restricted for purposes of settling asset retirement obligations.

The following table summarizes the Company's asset retirement obligation activity recorded during the three and six months ended June 30, 2011 and 2010:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Asset retirement obligations, beginning of period	$	43,788	$	20,837	$	43,326	$	22,754
Liabilities incurred from new wells		1,416		665		3,239		1,111
Liabilities assumed in acquisitions		-		-		148		-
Accretion expense on continuing operations		715		316		1,419		657
Accretion expense on discontinued operations		-		56		8		115
Disposition of wells		-		-		(412)		-
Liabilities settled upon plugging and abandoning wells		(385)		(112)		(686)		(297)
Revision of estimates		(339)		295		(1,847)		(2,283)
Asset retirement obligations, end of period	$	45,195	$	22,057	$	45,195	$	22,057

XML



Summary Of Significant Accounting Policies (Oil And Natural Gas Production Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Summary Of Significant Accounting Policies
Value of net overtake arising during the period increasing oil and natural gas production expense	$ 29	$ 10	$ 29	$ 5
Net overtake position arising during the period (Mcf)	6,952	2,292	6,933	1,008

XML



Consolidated Statement Of Stockholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
BEGINNING BALANCE at Dec. 31, 2010	$ 103	$ 1,874,649	$ 510,737	$ (1,615)	$ 2,383,874
BEGINNING BALANCE, shares at Dec. 31, 2010	102,842			32
Net income			274,757		274,757
Stock options exercised	1	7,139			7,140
Stock options exercised, shares	590
Grants of restricted stock, shares	123
Cancellation of restricted stock	(25)
Cancellation of restricted stock (value)
Stock-based compensation		9,193			9,193
Excess tax benefits related to stock-based compensation		21,117			21,117
Purchase of treasury stock				(1,720)	(1,720)
Purchase of treasury stock, shares				17
ENDING BALANCE at Jun. 30, 2011	$ 104	$ 1,912,098	$ 785,494	$ (3,335)	$ 2,694,361
ENDING BALANCE, shares at Jun. 30, 2011	103,530			49

XML



Debt (Principal Maturities Of Debt) (Details) (USD $) In Thousands	Jun. 30, 2011
Debt
2011
2012
2013
2014
2015
Thereafter	1,739,500
Total	$ 1,739,500

XML



Organization And Nature Of Operations

6 Months Ended

Jun. 30, 2011

Organization And Nature Of Operations

Organization And Nature Of Operations

Note A. Organization and nature of operations

Concho Resources Inc. (the "Company") is a Delaware corporation formed on February 22, 2006. The Company's principal business is the acquisition, development and exploration of oil and natural gas properties primarily located in the Permian Basin region of Southeast New Mexico and West Texas.

XML



Discontinued Operations (Tables)

6 Months Ended

Jun. 30, 2011

Discontinued Operations

Schedule Of Discontinued Operations

Three Months Ended					Six Months Ended
	June 30,					June 30,
(in thousands)	2011		2010			2011		2010
Operating revenues:
Oil sales	$	-	$	15,135		$	9,456	$	25,072
Natural gas sales		-		1,260			68		4,150
Total operating revenues		-		16,395			9,524		29,222
Operating costs and expenses:
Oil and natural gas production		-		4,006			1,642		7,376
Exploration and abandonments		-		(44)			-		142
Depreciation, depletion and amortization (a)		-		4,490			2,107		8,174
Accretion of discount on asset retirement obligations (a)		-		56			8		115
Impairments of long-lived assets (a)		-		1,203			-		3,567
General and administrative (b)		-		(223)			-		(443)
Total operating costs and expenses		-		9,488			3,757		18,931
Income from operations		-		6,907			5,767		10,291
Other income (expense):
Gain on disposition of assets, net (a)		-		-			141,950		-
Income from discontinued operations before income taxes		-		6,907			147,717		10,291
Income tax benefit (expense):
Current		-		(1,239)			1,188		(2,764)
Deferred (a)		-		(1,285)			(57,717)		(937)
Income from discontinued operations, net of tax	$	-	$	4,383		$	91,188	$	6,590

(a) Represents the significant non-cash components of discontinued operations.

(b) Represents the fees received from third-parties for operating oil and natural gas properties that were sold. The Company reflects these fees as a reduction of general and administrative expenses.

XML



Acquisitions And Business Combinations (Tables)

6 Months Ended

Jun. 30, 2011

Acquisitions And Business Combinations

Fair Values Assigned To Each Of Assets Acquired And Liabilities Assumed

	Marbob			Settlement
(in thousands)	Acquisition			Acquisition
Fair value of net assets:
Proved oil and natural gas properties	$	1,014,734		$	185,337
Unproved oil and natural gas properties		334,866			101,582
Other long-term assets		20,771			-
Total assets acquired		1,370,371			286,919
Asset retirement obligations and other liabilities assumed		(7,851)			(689)
Total purchase price	$	1,362,520		$	286,230
Fair value of consideration paid for net assets:
Cash consideration	$	1,127,747		$	286,230
Marbob $150 million senior unsecured 8% note, due 2018		159,000	(a)		-
Common stock, $0.001 par value; 1,103,752 shares issued		75,773	(b)		-
Total purchase price	$	1,362,520		$	286,230

^(a)  The fair value of the $150 million 8.0% senior unsecured note due 2018 issued to Marbob, was calculated by reference to the traded market yield of Concho's 8.625% senior unsecured notes due 2017, at September 30, 2010.

^(b)  The fair value of the Concho common stock issued to Marbob was valued at the average of the high and low price on the closing date (October 7, 2010) of $68.65 per share.

Business Acquisition Pro Forma Net Income Loss

	Three Months Ended June 30,		Six Months Ended June 30,
(in thousands, except per share data)	2010		2010
	(unaudited)
Operating revenues from continuing operations	$	269,246	$	512,088
Income from continuing operations	$	126,614	$	188,936
Income from continuing operations per common share:
Basic	$	1.28	$	1.93
Diluted	$	1.27	$	1.91

XML



Discontinued Operations (Narrative) (Details) (USD $) In Millions	1 Months Ended
	Mar. 31, 2011 Bakken [Member]	Dec. 31, 2010 Permian Basin [Member]
Discontinued operation disposal sale price	$ 195.9	$ 103.3
Discontinued operation gain on disposition of assets	$ 142.0	$ 29.1

XML



Acquisitions And Business Combinations (Business Acquisition Pro Forma Net Income Loss) (Details) (Marbob And Settlement Acquisitions [Member], USD $) In Thousands, except Per Share data	3 Months Ended	6 Months Ended
	Jun. 30, 2010	Jun. 30, 2010
Marbob And Settlement Acquisitions [Member]
Operating revenues from continuing operations	$ 269,246	$ 512,088
Income from continuing operations	$ 126,614	$ 188,936
Basic	$ 1.28	$ 1.93
Diluted	$ 1.27	$ 1.91

XML



Stockholders' Equity (Details) (USD $) In Millions, except Share data	6 Months Ended	12 Months Ended	1 Months Ended
	Jun. 30, 2011	Dec. 31, 2010	Dec. 31, 2010 Secondary Public Offering, December 2010 [Member]	Feb. 28, 2010 Secondary Public Offering, February 2010 [Member]	Oct. 31, 2010 Private Placement [Member]
Issuance of common stock, shares			2,900,000	5,300,000	6,600,000
Issuance of common stock, price per share			$ 82.50	$ 42.75	$ 45.30
Issuance of common stock, new issues, value			$ 227.4	$ 219.3	$ 292.7
Treasury stock, shares	48,849	31,963
Treasury stock rounded value acquired cost method	$ 3.3	$ 1.6

XML



Summary Of Significant Accounting Policies (Natural Gas Imbalance Positions) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2011	Dec. 31, 2010
Summary Of Significant Accounting Policies
Natural gas imbalance liability (included in asset retirement obligations and other long term liabilities)	$ 432	$ 403
Overtake position (Mcf)	78,074	71,153
Natural gas imbalance receivable (included in other assets)	$ 100	$ 100
Undertake position (Mcf)	22,228	22,240

XML



Incentive Plans (Summary Information For Stock-Based Compensation For Restricted Stock Awards) (Details) (Restricted Stock [Member], USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Grant date fair value for awards during the period and change in fair value due to modification	$ 1,896	$ 5,751	$ 12,626	$ 12,416
Stock-based compensation expense from stock options	4,516	2,292	8,644	4,114
Income tax benefit related to restricted stock	1,727	864	3,305	1,553
Deductions in current taxable income related to restricted stock	4,934	1,252	12,012	2,959
Employee Grants [Member]
Grant date fair value for awards during the period and change in fair value due to modification	1,646	5,751	3,576	7,341
Stock-based compensation expense from stock options	1,809	1,140	3,651	2,118
Officer And Director Grants [Member]
Grant date fair value for awards during the period and change in fair value due to modification	250		9,050	5,075
Stock-based compensation expense from stock options	$ 2,707	$ 1,152	$ 4,993	$ 1,996

XML



Summary Of Significant Accounting Policies

6 Months Ended

Jun. 30, 2011

Summary Of Significant Accounting Policies

Summary Of Significant Accounting Policies

Note B. Summary of significant accounting policies

Principles of consolidation. The consolidated financial statements of the Company include the accounts of the Company and its wholly-owned subsidiaries. In addition, a third-party formed an entity to effectuate a tax-free exchange of assets for the Company. The Company had 100 percent control over the decisions of the entity, but had no current direct ownership. The third-party conveyed ownership to the Company upon completion of the tax-free exchange process in April 2011, and the entity was merged into a wholly-owned subsidiary of the Company. It has been consolidated in the Company's financial statements. All material intercompany balances and transactions have been eliminated.

Discontinued operations. The Company made the following divestitures of assets:

	Asset Group
	Permian Basin	Bakken
(dollars in millions)	Assets	Assets
Date divested	December 2010	March 2011
Net proceeds	$                103.3	$            195.9
Gain on sale of assets	$                  29.1	$            142.0

As a result, the Company has reflected the results of operations of these divested assets as discontinued operations, rather than as a component of continuing operations. See Note N for additional information regarding these divestitures and their discontinued operations.

Use of estimates in the preparation of financial statements. Preparation of financial statements in conformity with generally accepted accounting principles in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from these estimates. Depletion of oil and natural gas properties are determined using estimates of proved oil and natural gas reserves. There are numerous uncertainties inherent in the estimation of quantities of proved reserves and in the projection of future rates of production and the timing of development expenditures. Similarly, evaluations for impairment of proved and unproved oil and natural gas properties are subject to numerous uncertainties including, among others, estimates of future recoverable reserves and commodity price outlooks. Other significant estimates include, but are not limited to, the asset retirement obligations, fair value of derivative financial instruments, fair value measurements of business combinations and oil and natural gas property acquisitions and fair value of stock-based compensation.

Interim financial statements. The accompanying consolidated financial statements of the Company have not been audited by the Company's independent registered public accounting firm, except that the consolidated balance sheet at December 31, 2010 is derived from audited consolidated financial statements. In the opinion of management, the accompanying consolidated financial statements reflect all adjustments necessary to present fairly the Company's financial position at June 30, 2011, and its results of operations for the three and six months ended June 30, 2011 and 2010, and its cash flows for the six months ended June 30, 2011 and 2010. All such adjustments are of a normal recurring nature. In preparing the accompanying consolidated financial statements, management has made certain estimates and assumptions that affect reported amounts in the consolidated financial statements and disclosures of contingencies. Actual results may differ from those estimates. The results for interim periods are not necessarily indicative of annual results.

Certain disclosures have been condensed or omitted from these consolidated financial statements. Accordingly, these consolidated financial statements should be read with the audited consolidated financial statements and notes included in the Company's Annual Report on Form 10-K for the year ended December 31, 2010.

Deferred loan costs. Deferred loan costs are stated at cost, net of amortization, which is computed using the effective interest and straight-line methods.

Future amortization expense of deferred loan costs at June 30, 2011 was as follows:

(in thousands)
Remaining 2011	$	5,299
2012		10,758
2013		10,986
2014		11,232
2015		11,499
Thereafter		21,167
Total	$	70,941

Intangible assets. The Company capitalized certain operating rights acquired in an acquisition. The gross operating rights, which have no residual value, are amortized over the estimated economic life of 25 years. Impairment will be assessed if indicators of potential impairment exist or when there is a material change in the remaining useful economic life. The following table reflects the gross and net intangible assets at June 30, 2011 and December 31, 2010:

	June 30,		December 31,
(in thousands)	2011		2010
Gross intangible - operating rights	$	38,717	$	38,717
Accumulated amortization		(4,518)		(3,744)
Net intangible - operating rights	$	34,199	$	34,973

The following table reflects amortization expense for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Amortization expense	$	387	$	387	$	774	$	774

The following table reflects the estimated aggregate amortization expense for each of the periods presented below at June 30, 2011:

(in thousands)
Remaining 2011	$	775
2012		1,549
2013		1,549
2014		1,549
2015		1,549
Thereafter		27,228
Total	$	34,199

Oil and natural gas sales and imbalances. Oil and natural gas revenues are recorded at the time of delivery of such products to pipelines for the account of the purchaser or at the time of physical transfer of such products to the purchaser. The Company follows the sales method of accounting for oil and natural gas sales, recognizing revenues based on the Company's share of actual proceeds from the oil and natural gas sold to purchasers. Oil and natural gas imbalances are generated on properties for which two or more owners have the right to take production "in-kind" and, in doing so, take more or less than their respective entitled percentage. Imbalances are tracked by well, but the Company does not record any receivable from or payable to the other owners unless the imbalance has reached a level at which it exceeds the remaining reserves in the respective well. If reserves are insufficient to offset the imbalance and the Company is in an overtake position, a liability is recorded for the amount of shortfall in reserves valued at a contract price or the market price in effect at the time the imbalance is generated. If the Company is in an undertake position, a receivable is recorded for an amount that is reasonably expected to be received, not to exceed the current market value of such imbalance.

The following tables reflect the Company's natural gas imbalance positions at June 30, 2011 and December 31, 2010, as well as amounts reflected in oil and natural gas production expense for the three and six months ended June 30, 2011 and 2010:

(dollars in thousands)					June 30, 2011		December 31, 2010
Natural gas imbalance liability (included in asset retirement obligations and other long-term liabilities)					$	432	$	403
Overtake position (Mcf)						78,074		71,153
Natural gas imbalance receivable (included in other assets)					$	100	$	100
Undertake position (Mcf)						22,228		22,240
	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2011		2010		2011		2010
Value of net overtake arising during the period increasing oil and natural gas production expense	$	29	$	10	$	29	$	5
Net overtake position arising during the period (Mcf)		6,952		2,292		6,933		1,008

 Treasury stock. Treasury stock purchases are recorded at cost. Upon reissuance, the cost of treasury shares held is reduced by the average purchase price per share of the aggregate treasury shares held.

General and administrative expense. The Company receives fees for the operation of jointly owned oil and natural gas properties and records such reimbursements as reductions of general and administrative expense. Such fees from continuing and discontinued operations totaled approximately $3.1 million and $3.6 million for the three months ended June 30, 2011 and 2010, respectively, and $5.7 million and $6.5 million for the six months ended June 30, 2011 and 2010, respectively.

Recent accounting pronouncements. In May 2011, the Financial Accounting Standards Board (the "FASB") issued amendments as a result of the work by the FASB and the International Accounting Standards Board (the "IASB") to develop common requirements for measuring fair value and for disclosing information about fair value measurements in accordance with generally accepted accounting principles in the United States ("U.S. GAAP") and the International Financial Reporting Standards ("IFRSs").

The boards worked together to ensure that fair value has the same meaning in U.S. GAAP and in IFRSs and that their respective fair value measurement and disclosure requirements are the same (except for minor differences in wording and style). The boards concluded that the amendments in this update will improve the comparability of fair value measurements presented and disclosed in financial statements prepared in accordance with U.S. GAAP and IFRSs. The amendments in this update explain how to measure fair value. They do not require additional fair value measurements and are not intended to establish valuation standards or affect valuation practices outside of financial reporting.

The amendments in this update are to be applied prospectively and are effective during interim and annual periods beginning after December 15, 2011. The Company does not expect this update to have a significant impact on the consolidated financial statements.

XML



Derivative Financial Instruments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
	May 31, 2011	Jun. 30, 2011
Derivative Financial Instruments
Borrowings under credit facility		$ 300
Fixed interest rate on interest rate swap		1.90%
Lower interest margin to be added in fixed interest rate		1.50%
Higher interest margin to be added in fixed interest rate		2.50%
Settlement on interest rate swaps	$ 5.0

XML



Other Current Liabilities (Tables)

6 Months Ended

Jun. 30, 2011

Other Liabilities Current

Other Current Liabilities

(in thousands)	June 30, 2011		December 31, 2010
Other current liabilities:
Accrued production costs	$	36,761	$	31,149
Payroll related matters		6,163		13,790
Accrued interest		36,987		15,494
Asset retirement obligations		6,317		7,378
Settlements due on derivative instruments		9,065		7,371
Other		5,157		8,093
Other current liabilities	$	100,450	$	83,275

XML



Summary Of Significant Accounting Policies (Policy)

6 Months Ended

Jun. 30, 2011

Summary Of Significant Accounting Policies

Principles Of Consolidation

Principles of consolidation. The consolidated financial statements of the Company include the accounts of the Company and its wholly-owned subsidiaries. In addition, a third-party formed an entity to effectuate a tax-free exchange of assets for the Company. The Company had 100 percent control over the decisions of the entity, but had no current direct ownership. The third-party conveyed ownership to the Company upon completion of the tax-free exchange process in April 2011, and the entity was merged into a wholly-owned subsidiary of the Company. It has been consolidated in the Company's financial statements. All material intercompany balances and transactions have been eliminated.

Discontinued Operations

Discontinued operations. The Company made the following divestitures of assets:

	Asset Group
	Permian Basin	Bakken
(dollars in millions)	Assets	Assets
Date divested	December 2010	March 2011
Net proceeds	$                103.3	$            195.9
Gain on sale of assets	$                  29.1	$            142.0

As a result, the Company has reflected the results of operations of these divested assets as discontinued operations, rather than as a component of continuing operations. See Note N for additional information regarding these divestitures and their discontinued operations.

Use Of Estimates In The Preparation Of Financial Statements

Use of estimates in the preparation of financial statements. Preparation of financial statements in conformity with generally accepted accounting principles in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from these estimates. Depletion of oil and natural gas properties are determined using estimates of proved oil and natural gas reserves. There are numerous uncertainties inherent in the estimation of quantities of proved reserves and in the projection of future rates of production and the timing of development expenditures. Similarly, evaluations for impairment of proved and unproved oil and natural gas properties are subject to numerous uncertainties including, among others, estimates of future recoverable reserves and commodity price outlooks. Other significant estimates include, but are not limited to, the asset retirement obligations, fair value of derivative financial instruments, fair value measurements of business combinations and oil and natural gas property acquisitions and fair value of stock-based compensation.

Interim Financial Statements

Interim financial statements. The accompanying consolidated financial statements of the Company have not been audited by the Company's independent registered public accounting firm, except that the consolidated balance sheet at December 31, 2010 is derived from audited consolidated financial statements. In the opinion of management, the accompanying consolidated financial statements reflect all adjustments necessary to present fairly the Company's financial position at June 30, 2011, and its results of operations for the three and six months ended June 30, 2011 and 2010, and its cash flows for the six months ended June 30, 2011 and 2010. All such adjustments are of a normal recurring nature. In preparing the accompanying consolidated financial statements, management has made certain estimates and assumptions that affect reported amounts in the consolidated financial statements and disclosures of contingencies. Actual results may differ from those estimates. The results for interim periods are not necessarily indicative of annual results.

Certain disclosures have been condensed or omitted from these consolidated financial statements. Accordingly, these consolidated financial statements should be read with the audited consolidated financial statements and notes included in the Company's Annual Report on Form 10-K for the year ended December 31, 2010.

Deferred Loan Costs

Deferred loan costs. Deferred loan costs are stated at cost, net of amortization, which is computed using the effective interest and straight-line methods.

Future amortization expense of deferred loan costs at June 30, 2011 was as follows:

(in thousands)
Remaining 2011	$	5,299
2012		10,758
2013		10,986
2014		11,232
2015		11,499
Thereafter		21,167
Total	$	70,941

Intangible Assets

	June 30,		December 31,
(in thousands)	2011		2010
Gross intangible - operating rights	$	38,717	$	38,717
Accumulated amortization		(4,518)		(3,744)
Net intangible - operating rights	$	34,199	$	34,973

The following table reflects amortization expense for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Amortization expense	$	387	$	387	$	774	$	774

The following table reflects the estimated aggregate amortization expense for each of the periods presented below at June 30, 2011:

(in thousands)
Remaining 2011	$	775
2012		1,549
2013		1,549
2014		1,549
2015		1,549
Thereafter		27,228
Total	$	34,199

Oil And Natural Gas Sales And Imbalances

Oil and natural gas sales and imbalances. Oil and natural gas revenues are recorded at the time of delivery of such products to pipelines for the account of the purchaser or at the time of physical transfer of such products to the purchaser. The Company follows the sales method of accounting for oil and natural gas sales, recognizing revenues based on the Company's share of actual proceeds from the oil and natural gas sold to purchasers. Oil and natural gas imbalances are generated on properties for which two or more owners have the right to take production "in-kind" and, in doing so, take more or less than their respective entitled percentage. Imbalances are tracked by well, but the Company does not record any receivable from or payable to the other owners unless the imbalance has reached a level at which it exceeds the remaining reserves in the respective well. If reserves are insufficient to offset the imbalance and the Company is in an overtake position, a liability is recorded for the amount of shortfall in reserves valued at a contract price or the market price in effect at the time the imbalance is generated. If the Company is in an undertake position, a receivable is recorded for an amount that is reasonably expected to be received, not to exceed the current market value of such imbalance.

The following tables reflect the Company's natural gas imbalance positions at June 30, 2011 and December 31, 2010, as well as amounts reflected in oil and natural gas production expense for the three and six months ended June 30, 2011 and 2010:

(dollars in thousands)					June 30, 2011		December 31, 2010
Natural gas imbalance liability (included in asset retirement obligations and other long-term liabilities)					$	432	$	403
Overtake position (Mcf)						78,074		71,153
Natural gas imbalance receivable (included in other assets)					$	100	$	100
Undertake position (Mcf)						22,228		22,240
	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2011		2010		2011		2010
Value of net overtake arising during the period increasing oil and natural gas production expense	$	29	$	10	$	29	$	5
Net overtake position arising during the period (Mcf)		6,952		2,292		6,933		1,008

Treasury Stock

 Treasury stock. Treasury stock purchases are recorded at cost. Upon reissuance, the cost of treasury shares held is reduced by the average purchase price per share of the aggregate treasury shares held.

General And Administrative Expense

General and administrative expense. The Company receives fees for the operation of jointly owned oil and natural gas properties and records such reimbursements as reductions of general and administrative expense. Such fees from continuing and discontinued operations totaled approximately $3.1 million and $3.6 million for the three months ended June 30, 2011 and 2010, respectively, and $5.7 million and $6.5 million for the six months ended June 30, 2011 and 2010, respectively.

XML



Incentive Plans (Summary Information For Vested And Exercisable Stock Options Outstanding) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2011
Summarizes information of vested and exercisable stock options outstanding
Number of Stock Options, Vested options	775,349
Number of Stock Options, Exercisable options	725,446
Weighted Average Remaining Contractual Life, Vested options, years	5.07
Weighted Average Remaining Contractual Life, Exercisable options, years	5.40
Weighted Average Exercise Price, Vested options	$ 16.48
Weighted Average Exercise Price, Exercisable options	$ 17.06
Intrinsic Value, Vested options	$ 58,437
Intrinsic Value, Exercisable options	54,253
Range One [Member]
Summarizes information of vested and exercisable stock options outstanding
Exercise price	$ 8.00
Number of Stock Options, Vested options	200,422
Number of Stock Options, Exercisable options	150,519
Weighted Average Remaining Contractual Life, Vested options, years	2.08
Weighted Average Remaining Contractual Life, Exercisable options, years	2.69
Weighted Average Exercise Price, Vested options	$ 8.00
Weighted Average Exercise Price, Exercisable options	$ 8.00
Intrinsic Value, Vested options	16,805
Intrinsic Value, Exercisable options	12,621
Range Two [Member]
Summarizes information of vested and exercisable stock options outstanding
Exercise price	$ 12.00
Number of Stock Options, Vested options	53,535
Number of Stock Options, Exercisable options	53,535
Weighted Average Remaining Contractual Life, Vested options, years	4.26
Weighted Average Remaining Contractual Life, Exercisable options, years	4.26
Weighted Average Exercise Price, Vested options	$ 12.00
Weighted Average Exercise Price, Exercisable options	$ 12.00
Intrinsic Value, Vested options	4,275
Intrinsic Value, Exercisable options	4,275
Range Three [Member]
Summarizes information of vested and exercisable stock options outstanding
Lower Range	$ 12.50
Upper Range	$ 15.50
Number of Stock Options, Vested options	186,250
Number of Stock Options, Exercisable options	186,250
Weighted Average Remaining Contractual Life, Vested options, years	5.34
Weighted Average Remaining Contractual Life, Exercisable options, years	5.34
Weighted Average Exercise Price, Vested options	$ 14.56
Weighted Average Exercise Price, Exercisable options	$ 14.56
Intrinsic Value, Vested options	14,395
Intrinsic Value, Exercisable options	14,395
Range Four [Member]
Summarizes information of vested and exercisable stock options outstanding
Lower Range	$ 20.00
Upper Range	$ 23.00
Number of Stock Options, Vested options	276,712
Number of Stock Options, Exercisable options	276,712
Weighted Average Remaining Contractual Life, Vested options, years	6.82
Weighted Average Remaining Contractual Life, Exercisable options, years	6.82
Weighted Average Exercise Price, Vested options	$ 21.66
Weighted Average Exercise Price, Exercisable options	$ 21.66
Intrinsic Value, Vested options	19,422
Intrinsic Value, Exercisable options	19,422
Range Five [Member]
Summarizes information of vested and exercisable stock options outstanding
Lower Range	$ 28.00
Upper Range	$ 37.27
Number of Stock Options, Vested options	58,430
Number of Stock Options, Exercisable options	58,430
Weighted Average Remaining Contractual Life, Vested options, years	6.91
Weighted Average Remaining Contractual Life, Exercisable options, years	6.91
Weighted Average Exercise Price, Vested options	$ 31.26
Weighted Average Exercise Price, Exercisable options	$ 31.26
Intrinsic Value, Vested options	3,540
Intrinsic Value, Exercisable options	$ 3,540

XML



Commitments And Contingencies (Lease Commitments Under Non-Cancellable Operating Leases) (Details) (USD $) In Thousands	Jun. 30, 2011
Commitments And Contingencies
Remaining 2011	$ 1,896
2012	3,500
2013	2,994
2014	2,476
2015	2,595
Thereafter	1,295
Total	$ 14,756

XML



Subsidiary Guarantors (Condensed Consolidating Balance Sheet) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Accounts receivable - related parties	$ 156	$ 169
Other current assets	438,396	330,464
Oil and natural gas properties, net	5,398,947	4,885,740
Property and equipment, net	50,340	28,047
Other long-term assets	148,304	124,074
Total assets	6,036,143	5,368,494
LIABILITIES AND EQUITY
Accounts payable - related parties	534	1,197
Other current liabilities	636,575	505,792
Other long-term liabilities	968,747	809,110
Long-term debt	1,735,926	1,668,521
Equity	2,694,361	2,383,874
Total liabilities and stockholders' equity	6,036,143	5,368,494
Parent Issuer [Member]
ASSETS
Accounts receivable - related parties	4,689,765	5,532,317
Other current assets	40,688	51,084
Investment in subsidiaries	1,946,903	1,363,908
Other long-term assets	71,453	55,061
Total assets	6,748,809	7,002,370
LIABILITIES AND EQUITY
Accounts payable - related parties	1,271,524	2,061,777
Other current liabilities	117,678	115,662
Other long-term liabilities	929,320	772,536
Long-term debt	1,735,926	1,668,521
Equity	2,694,361	2,383,874
Total liabilities and stockholders' equity	6,748,809	7,002,370
Subsidiary Guarantors [Member]
ASSETS
Accounts receivable - related parties	190,246	534,447
Other current assets	397,708	279,380
Oil and natural gas properties, net	5,398,947	4,885,740
Property and equipment, net	50,340	28,047
Other long-term assets	76,851	69,013
Total assets	6,114,092	5,796,627
LIABILITIES AND EQUITY
Accounts payable - related parties	3,608,865	4,006,015
Other current liabilities	518,897	390,130
Other long-term liabilities	39,427	36,574
Equity	1,946,903	1,363,908
Total liabilities and stockholders' equity	6,114,092	5,796,627
Consolidating Entries [Member]
ASSETS
Accounts receivable - related parties	(4,879,855)	(6,066,595)
Investment in subsidiaries	(1,946,903)	(1,363,908)
Total assets	(6,826,758)	(7,430,503)
LIABILITIES AND EQUITY
Accounts payable - related parties	(4,879,855)	(6,066,595)
Equity	(1,946,903)	(1,363,908)
Total liabilities and stockholders' equity	$ (6,826,758)	$ (7,430,503)

XML



Derivative Financial Instruments (Outstanding Commodity Derivative Contracts) (Details)	Jun. 30, 2011
First Quarter [Member] | Oil Swaps Due Year One [Member]
Aggregate Volume	2,409,500	[1]
Derivative Price	92.40	[1]
First Quarter [Member] | Oil Swaps Due Year Two [Member]
Aggregate Volume	1,056,000	[1]
Derivative Price	94.80	[1]
First Quarter [Member] | Oil Swaps Due Year Three [Member]
Aggregate Volume	312,000	[1]
Derivative Price	83.94	[1]
First Quarter [Member] | Oil Swaps Due Year Four [Member]
Aggregate Volume	300,000	[1]
Derivative Price	84.50	[1]
First Quarter [Member] | Natural Gas Swaps Due Year One [Member]
Aggregate Volume	75,000	[2]
Derivative Price	6.54	[2]
Second Quarter [Member] | Oil Swaps Due Year One [Member]
Aggregate Volume	2,261,500	[1]
Derivative Price	92.22	[1]
Second Quarter [Member] | Oil Swaps Due Year Two [Member]
Aggregate Volume	1,056,000	[1]
Derivative Price	94.80	[1]
Second Quarter [Member] | Oil Swaps Due Year Three [Member]
Aggregate Volume	312,000	[1]
Derivative Price	83.94	[1]
Second Quarter [Member] | Oil Swaps Due Year Four [Member]
Aggregate Volume	300,000	[1]
Derivative Price	84.50	[1]
Second Quarter [Member] | Natural Gas Swaps Due Year One [Member]
Aggregate Volume	75,000	[2]
Derivative Price	6.54	[2]
Third Quarter [Member] | Oil Swaps Due Current Year [Member]
Aggregate Volume	2,855,436	[1]
Derivative Price	87.09	[1]
Third Quarter [Member] | Oil Swaps Due Year One [Member]
Aggregate Volume	2,143,500	[1]
Derivative Price	94.09	[1]
Third Quarter [Member] | Oil Swaps Due Year Two [Member]
Aggregate Volume	1,056,000	[1]
Derivative Price	94.80	[1]
Third Quarter [Member] | Oil Swaps Due Year Three [Member]
Aggregate Volume	312,000	[1]
Derivative Price	83.94	[1]
Third Quarter [Member] | Natural Gas Swaps Due Current Year [Member]
Aggregate Volume	3,069,000	[2]
Derivative Price	6.62	[2]
Third Quarter [Member] | Natural Gas Swaps Due Year One [Member]
Aggregate Volume	75,000	[2]
Derivative Price	6.54	[2]
Third Quarter [Member] | Natural Gas Basis Swaps Due Current Year [Member]
Aggregate Volume	1,800,000	[3]
Derivative Price	0.76	[3]
Fourth Quarter [Member] | Oil Swaps Due Current Year [Member]
Aggregate Volume	2,598,436	[1]
Derivative Price	86.60	[1]
Fourth Quarter [Member] | Oil Swaps Due Year One [Member]
Aggregate Volume	2,042,500	[1]
Derivative Price	94.11	[1]
Fourth Quarter [Member] | Oil Swaps Due Year Two [Member]
Aggregate Volume	1,056,000	[1]
Derivative Price	94.80	[1]
Fourth Quarter [Member] | Oil Swaps Due Year Three [Member]
Aggregate Volume	312,000	[1]
Derivative Price	83.94	[1]
Fourth Quarter [Member] | Natural Gas Swaps Due Current Year [Member]
Aggregate Volume	3,069,000	[2]
Derivative Price	6.62	[2]
Fourth Quarter [Member] | Natural Gas Swaps Due Year One [Member]
Aggregate Volume	75,000	[2]
Derivative Price	6.54	[2]
Fourth Quarter [Member] | Natural Gas Basis Swaps Due Current Year [Member]
Aggregate Volume	1,800,000	[3]
Derivative Price	0.76	[3]
Oil Swaps Due Current Year [Member]
Aggregate Volume	5,453,872	[1]
Derivative Price	86.86	[1]
Oil Swaps Due Year One [Member]
Aggregate Volume	8,857,000	[1]
Derivative Price	93.16	[1]
Oil Swaps Due Year Two [Member]
Aggregate Volume	4,224,000	[1]
Derivative Price	94.80	[1]
Oil Swaps Due Year Three [Member]
Aggregate Volume	1,248,000	[1]
Derivative Price	83.94	[1]
Oil Swaps Due Year Four [Member]
Aggregate Volume	600,000	[1]
Derivative Price	84.50	[1]
Natural Gas Swaps Due Current Year [Member]
Aggregate Volume	6,138,000	[2]
Derivative Price	6.62	[2]
Natural Gas Swaps Due Year One [Member]
Aggregate Volume	300,000	[2]
Derivative Price	6.54	[2]
Natural Gas Basis Swaps Due Current Year [Member]
Aggregate Volume	3,600,000	[3]
Derivative Price	0.76	[3]

[1] The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

[2] The index prices for the natural gas price swaps are based on the NYMEX-Henry Hub last trading day futures price.

[3] The basis differential between the El Paso Permian delivery point and NYMEX-Henry Hub delivery point.

XML



Incentive Plans (Summary Of Stock Incentive Plan) (Details)	Jun. 30, 2011
Incentive Plans
Approved and authorized awards	5,850,000
Restricted stock grants, net of forfeitures	(1,420,736)
Stock option grants, net of forfeitures	(3,463,720)
Awards available for future grant	965,544

XML



Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2011

Incentive Plans

Summary Of Stock Incentive Plan

	Number of
	Common Shares
Approved and authorized awards		5,850,000
Restricted stock grants, net of forfeitures		(1,420,736)
Stock option grants, net of forfeitures		(3,463,720)
Awards available for future grant		965,544

Summary Of Restricted Stock

	Number of		Grant Date
	Restricted		Fair Value
	Shares		Per Share
Restricted stock:
Outstanding at December 31, 2010		820,884
Shares granted		122,787	$	102.83
Shares cancelled / forteited		(24,992)
Lapse of restrictions		(121,188)
Outstanding at June 30, 2011		797,491

Summary Information For Stock-Based Compensation For Restricted Stock Awards

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Grant date fair value for awards during the period and change in fair value due to modification:
Employee grants	$	1,646	$	5,751	$	3,576	$	7,341
Officer and director grants		250		-		9,050		5,075
Total	$	1,896	$	5,751	$	12,626	$	12,416
Stock-based compensation expense from restricted stock:
Employee grants	$	1,809	$	1,140	$	3,651	$	2,118
Officer and director grants		2,707		1,152		4,993		1,996
Total	$	4,516	$	2,292	$	8,644	$	4,114
Income taxes and other information:
Income tax benefit related to restricted stock	$	1,727	$	864	$	3,305	$	1,553
Deductions in current taxable income related to restricted stock	$	4,934	$	1,252	$	12,012	$	2,959

Summary Of Stock Option Awards Activity

			Weighted
			Average
	Number of		Exercise
	Options		Price
Stock options:
Outstanding at December 31, 2010		1,597,003	$	15.43
Options exercised		(589,760)	$	12.11
Outstanding at June 30, 2011		1,007,243	$	17.37
Vested at end of period		775,349	$	16.48
Exercisable at end of period		725,446	$	17.06

Summary Information For Vested And Exercisable Stock Options Outstanding

			Weighted
			Average		Weighted
Range of	Number		Remaining		Average
Exercise	Vested and		Contractual		Exercise		Intrinsic
Prices	Exercisable		Life		Price		Value
							(in thousands)
June 30, 2011:
Vested options:
$8.00		200,422		2.08 years	$	8.00	$	16,805
$12.00		53,535		4.26 years	$	12.00		4,275
$12.50 - $15.50		186,250		5.34 years	$	14.56		14,395
$20.00 - $23.00		276,712		6.82 years	$	21.66		19,422
$28.00 - $37.27		58,430		6.91 years	$	31.26		3,540
		775,349		5.07 years	$	16.48	$	58,437
Exercisable options:
$8.00		150,519		2.69 years	$	8.00	$	12,621
$12.00		53,535		4.26 years	$	12.00		4,275
$12.50 - $15.50		186,250		5.34 years	$	14.56		14,395
$20.00 - $23.00		276,712		6.82 years	$	21.66		19,422
$28.00 - $37.27		58,430		6.91 years	$	31.26		3,540
		725,446		5.40 years	$	17.06	$	54,253

Summary Information For Stock-Based Compensation For Stock Options

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Stock-based compensation expense from stock options:
Employee grants	$	22	$	42	$	45	$	86
Officer and director grants		187		537		504		1,502
Total	$	209	$	579	$	549	$	1,588
Income taxes and other information:
Income tax benefit related to stock options	$	80	$	218	$	210	$	599
Deductions in current taxable income related to stock options exercised	$	8,914	$	8,473	$	52,155	$	18,124

Summary For Future Stock-Based Compensation Expense

	Restricted		Stock
(in thousands)	Stock		Options		Total
Remaining 2011	$	8,590	$	331	$	8,921
2012		11,518		184		11,702
2013		7,268		15		7,283
2014		3,930		-		3,930
2015		116		-		116
Total	$	31,422	$	530	$	31,952

XML



Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2011

Net Income Per Share

Reconciliation Of The Basic Weighted Average Common Shares Outstanding To Diluted Weighted Average Common Shares Outstanding

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Weighted average common shares outstanding:
Basic		102,569		91,044		102,407		89,944
Dilutive common stock options		575		869		656		916
Dilutive restricted stock		494		384		507		360
Diluted		103,638		92,297		103,570		91,220

Summary Of The Common Stock Options And Restricted Stock

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Number of antidilutive common shares:
Anti-dilutive common stock options		-		-		-		1
Anti-dilutive restricted stock		47		2		25		4

XML



Exploratory Well Costs (Tables)

6 Months Ended

Jun. 30, 2011

Exploratory Well Costs

Capitalized Exploratory Well Activity

(in thousands)	Three Months Ended June 30, 2011		Six Months Ended June 30, 2011
Beginning capitalized exploratory well costs	$	69,558	$	46,826
Additions to exploratory well costs pending the determination of proved reserves		86,905		138,262
Reclassifications due to determination of proved reserves		(44,579)		(73,204)
Exploratory well costs charged to expense		-		-
Ending capitalized exploratory well costs	$	111,884	$	111,884

Aging Of Capitalized Exploratory Well Costs Based On The Date Drilling Was Completed

(in thousands)	June 30, 2011		December 31, 2010
Exploratory wells in progress	$	13,858	$	19,190
Capitalized exploratory well costs that have been capitalized for a period of one year or less		98,026		27,636
Capitalized exploratory well costs that have been capitalized for a period greater than one year		-		-
Total capitalized exploratory well costs	$	111,884	$	46,826

XML



Debt

6 Months Ended

Jun. 30, 2011

Debt

Debt

Note J. Debt

The Company's debt consisted of the following at June 30, 2011 and December 31, 2010:

(in thousands)	June 30, 2011		December 31, 2010
Credit facility	$	239,500	$	613,500
8.625% unsecured senior notes due 2017		300,000		300,000
8.0% unsecured senior note due 2018		-		150,000
7.0% unsecured senior notes due 2021		600,000		600,000
6.5% unsecured senior notes due 2022		600,000		-
Unamortized original issue (discount) premium, net		(3,574)		5,021
Total long-term debt	$	1,735,926	$	1,668,521

Credit facility. The Company's credit facility, as amended (the "Credit Facility"), has a maturity date of April 25, 2016. The Company's borrowing base is $2.5 billion until the next scheduled borrowing base redetermination in October 2011, and commitments from the Company's bank group total $2.0 billion. Between scheduled borrowing base redeterminations, the Company and, if requested by 66 2/3 percent of the lenders, the lenders, may each request one special redetermination. At June 30, 2011, the Company had no letters of credit outstanding under the Credit Facility.

Advances on the Credit Facility bear interest, at the Company's option, based on (i) the prime rate of JPMorgan Chase Bank ("JPM Prime Rate") (3.25 percent at June 30, 2011) or (ii) a Eurodollar rate (substantially equal to the London Interbank Offered Rate). The Credit Facility's interest rates of Eurodollar rate advances and JPM Prime Rate advances varied, with interest margins ranging from 150 to 250 basis points and 50 to 150 basis points, respectively, per annum depending on the debt balance outstanding.The Company pays commitment fees on the unused portion of the available commitment ranging from 37.5 to 50 basis points per annum, depending on utilization of the commitments. The Credit Facility also includes a same-day advance facility under which the Company may borrow funds from the administrative agent. Same-day advances cannot exceed $25 million, and the maturity dates cannot exceed fourteen days. The interest rate on this facility is the JPM Prime Rate plus the applicable interest margin.

The Company's obligations under the Credit Facility are secured by a first lien on substantially all of its oil and natural gas properties. In addition, all of the Company's subsidiaries are guarantors, and the equity interests in such subsidiaries have been pledged to secure borrowings under the Credit Facility.

The credit agreement contains various restrictive covenants and compliance requirements, which include:

• maintenance of certain financial ratios, including (i) maintenance of a quarterly ratio of total debt to consolidated earnings before interest expense, income taxes, depletion, depreciation, and amortization, exploration expense and other noncash income and expenses to be no greater than 4.0 to 1.0, and (ii) maintenance of a ratio of current assets to current liabilities, excluding noncash assets and liabilities related to financial derivatives and asset retirement obligations and including the unfunded amounts under the Credit Facility, to be not less than 1.0 to 1.0;

• limits on the incurrence of additional indebtedness and certain types of liens;

• restrictions as to mergers, combinations and dispositions of assets; and

• restrictions on the payment of cash dividends.

At June 30, 2011, the Company was in compliance with all of the covenants under the Credit Facility.

8.625% unsecured senior notes. In September 2009, the Company issued $300 million aggregate principal amount of 8.625% senior notes due 2017 at 98.578 percent of par (the "2017 Senior Notes"). The 2017 Senior Notes mature on October 1, 2017, and interest is paid in arrears semi-annually on April 1 and October 1 beginning April 1, 2010. The 2017 Senior Notes are fully and unconditionally guaranteed on a senior unsecured basis by all of the Company's subsidiaries.

7.0% unsecured senior notes. In December 2010, the Company issued $600 million aggregate principal amount of 7.0% senior notes due 2021 at 100 percent of par (the "2021 Senior Notes"). The 2021 Senior Notes mature on January 15, 2021, and interest is paid in arrears semi-annually on January 15 and July 15 beginning July 15, 2011. The 2021 Senior Notes are fully and unconditionally guaranteed on a senior unsecured basis by all of the Company's subsidiaries.

6.5% unsecured senior notes. In May 2011, the Company issued $600 million aggregate principal amount of 6.5% senior notes due 2022 at 100 percent of par (the "2022 Senior Notes"). The 2022 Senior Notes mature on January 15, 2022, and interest is paid in arrears semi-annually on January 15 and July 15 beginning January 15, 2012. The 2022 Senior Notes are fully and unconditionally guaranteed on a senior unsecured basis by all of the Company's subsidiaries.

The following table summarizes future interest expense from the net original issue discount at June 30, 2011:

(in thousands)
Remaining 2011	$	215
2012		462
2013		507
2014		557
2015		612
Thereafter		1,221
Total	$	3,574

Principal maturities of debt. The following table summarizes the principal maturities of long-term debt outstanding at June 30, 2011:

(in thousands)
2011	$	-
2012		-
2013		-
2014		-
2015		-
Thereafter		1,739,500
Total	$	1,739,500

Interest expense. The following amounts have been incurred and charged to interest expense for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Cash payments for interest	$	21,747	$	18,016	$	32,142	$	21,763
Amortization of net original issue discount (premium)		32		95		(82)		187
Amortization of deferred loan origination costs		2,810		1,164		6,353		2,204
Write-off of original issue premium		(8,513)		-		(8,513)		-
Net changes in accruals		5,584		(8,045)		21,493		(1,841)
Interest costs incurred		21,660		11,230		51,393		22,313
Less: capitalized interest		-		(38)		(73)		(56)
Total interest expense	$	21,660	$	11,192	$	51,320	$	22,257

XML



Acquisitions And Business Combinations (Narrative) (Details) (USD $)		0 Months Ended	6 Months Ended
	Jun. 30, 2011 8.0% Unsecured Senior Note [Member]	Oct. 07, 2010 Marbob [Member]	Jun. 30, 2011 Marbob [Member]		Jun. 30, 2011 Settlement [Member]	Oct. 15, 2010 Settlement [Member]	Oct. 07, 2010 Marbob And Settlement Acquisitions [Member]	Jul. 31, 2010 Marbob And Settlement Acquisitions [Member]
Acquisition of related additional interests		$ 292,700,000	$ 1,362,520,000		$ 286,230,000	$ 286,000,000	$ 1,400,000,000	$ 1,450,000,000
Senior Notes								150,000,000
Debt Instrument, Interest Rate, Stated Percentage	8.00%
Common stock value paid as consideration			75,773,000	[1]
Common stock issued for acquisition		6,600,000	1,103,752
Common stock sale to fund acquisition, price per share		$ 45.30
Cash consideration			$ 1,127,747,000		$ 286,230,000

[1] The fair value of the Concho common stock issued to Marbob was valued at the average of the high and low price on the closing date (October 7, 2010) of $68.65 per share.

XML



Debt (Summary Of Long Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2011	Dec. 31, 2010
Credit facility	$ 239,500	$ 613,500
Unamortized original issue premium, net	(3,574)	5,021
Total long-term debt	1,735,926	1,668,521
8.625% Unsecured Senior Notes [Member]
Unsecured senior notes	300,000	300,000
Unsecured senior notes, percentage	8.625%
8.0% Unsecured Senior Note [Member]
Unsecured senior notes		150,000
Unsecured senior notes, percentage	8.00%
7.0% Unsecured Senior Notes [Member]
Unsecured senior notes	600,000	600,000
Unsecured senior notes, percentage	7.00%	7.00%
6.5% Unsecured Senior Notes [Member]
Unsecured senior notes	$ 600,000
Unsecured senior notes, percentage	6.50%

XML



Disclosures About Fair Value Of Financial Instruments (Carrying Amount Estimated Fair Value And Impairment Expense Of Long Lived Assets) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Impairment Expense	$ 76	$ 4,692	$ 76	$ 7,312
Carrying Value [Member]
Carrying value	77	7,884	77	13,776
Fair Value [Member]
Estimated fair value	$ 1	$ 3,192	$ 1	$ 6,464

XML



Income Taxes (Reconciliation Between The Tax Expense And The Reported Amounts Of Income Tax Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010		Jun. 30, 2011	Jun. 30, 2010
Income Taxes
Income at U.S. federal statutory rate	$ 131,409	$ 67,203		$ 103,730	$ 103,636
State income taxes net of federal tax effect	12,097	5,156		9,523	7,917
Statutory depletion	(144)	46		(186)	(178)
Nondeductible expense & other	(92)	(185)		(266)	(392)
Income tax expense (benefit)	$ 143,270	$ 72,220	[1]	$ 112,801	$ 110,983	[1]
Effective tax rate	38.20%	37.60%		38.10%	37.50%

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Incentive Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Incentive Plans
Defined contribution plan employer's contribution match percentage			100.00%
Defined contribution plan percent of employee salary matched			6.00%
Company contributions to incentive plans	$ 0.5	$ 0.4	$ 0.9	$ 0.6

XML



Supplementary Information (Capitalized Costs) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Supplementary Information
Proved	$ 5,546,152	$ 4,982,316
Unproved	734,402	633,933
Accumulated depletion and depreciation	(881,607)	(730,509)
Net capitalized costs for oil and natural gas properties	$ 5,398,947	$ 4,885,740

XML



Exploratory Well Costs

6 Months Ended

Jun. 30, 2011

Exploratory Well Costs

Exploratory Well Costs

Note C. Exploratory well costs

The Company capitalizes exploratory well costs until a determination is made that the well has either found proved reserves or that it is impaired. The capitalized exploratory well costs are presented in unproved properties in the consolidated balance sheets. If the exploratory well is determined to be impaired, the well costs are charged to expense.

The following table reflects the Company's capitalized exploratory well activity during the three and six months ended June 30, 2011:

(in thousands)	Three Months Ended June 30, 2011		Six Months Ended June 30, 2011
Beginning capitalized exploratory well costs	$	69,558	$	46,826
Additions to exploratory well costs pending the determination of proved reserves		86,905		138,262
Reclassifications due to determination of proved reserves		(44,579)		(73,204)
Exploratory well costs charged to expense		-		-
Ending capitalized exploratory well costs	$	111,884	$	111,884

The following table provides an aging, at June 30, 2011 and December 31, 2010, of capitalized exploratory well costs based on the date drilling was completed:

(in thousands)	June 30, 2011		December 31, 2010
Exploratory wells in progress	$	13,858	$	19,190
Capitalized exploratory well costs that have been capitalized for a period of one year or less		98,026		27,636
Capitalized exploratory well costs that have been capitalized for a period greater than one year		-		-
Total capitalized exploratory well costs	$	111,884	$	46,826

At June 30, 2011, the Company had 97 gross exploratory wells either drilling or waiting on results from completion. There were 26 wells in the Texas Permian area, 30 in the Delaware Basin area and 41 wells in the New Mexico Shelf area.

XML



Commitments And Contingencies (Future Drilling Commitments) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2011
Contractual drilling commitments payments due, Total	$ 4,744
Contractual drilling commitments payments due, Less than 1 year	4,744
Employee ownership percentage	3.00%
Daywork Drilling Contracts With Related Parties [Member]
Contractual drilling commitments payments due, Total	2,769
Contractual drilling commitments payments due, Less than 1 year	2,769
Other Daywork Drilling Contracts [Member]
Contractual drilling commitments payments due, Total	1,975
Contractual drilling commitments payments due, Less than 1 year	$ 1,975

XML



Related Party Transactions

6 Months Ended

Jun. 30, 2011

Related Party Transactions

Related Party Transactions

Note M. Related party transactions

The following tables summarize charges incurred with and payments made to the Company's related parties and reported in the consolidated statements of operations, as well as outstanding payables and receivables included in the consolidated balance sheets for the periods presented:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Charges incurred with Chase Oil and affiliates (a)	$	15,227	$	422	$	23,722	$	15,507
Working interests owned by employees: (b)
Revenues distributed to employees	$	138	$	93	$	189	$	171
Joint interest payments received from employees	$	186	$	345	$	363	$	575
Overriding royalty interests paid to Chase Oil affiliates (c)	$	622	$	517	$	1,142	$	1,046
Royalty interests paid to a director of the Company (d)	$	33	$	38	$	62	$	79
Amounts paid under consulting agreement with a director (e)	$	60	$	67	$	120	$	130
Amounts paid under daywork drilling contracts (f)	$	3,623	$	-	$	7,328	$	-

Months Ended					Six Months Ended
	June 30,					June 30,
(in thousands)	2011		2010			2011		2010
Charges incurred with Chase Oil and affiliates (a)	$	15,227	$	422		$	23,722	$	15,507
Working interests owned by employees: (b)
Revenues distributed to employees	$	138	$	93		$	189	$	171
Joint interest payments received from employees	$	186	$	345		$	363	$	575
Overriding royalty interests paid to Chase Oil affiliates (c)	$	622	$	517		$	1,142	$	1,046
Royalty interests paid to a director of the Company (d)	$	33	$	38		$	62	$	79
Amounts paid under consulting agreement with a director (e)	$	60	$	67		$	120	$	130
Amounts paid under daywork drilling contracts (f)	$	3,623	$	-		$	7,328	$	-

	June 30,		December 31,
(in thousands)	2011		2010
Amounts included in accounts receivable - related parties:
Chase Oil and affiliates (a)	$	72	$	115
Working interests owned by employees (b)	$	84	$	54
Amounts included in accounts payable - related parties:
Chase Oil and affiliates (a)	$	-	$	771
Working interests owned by employees (b)	$	21	$	8
Overriding royalty interests of Chase Oil affiliates (c)	$	501	$	407
Royalty interests of a director of the Company (d)	$	12	$	11

(a) The Company incurred charges for services rendered in the ordinary course of business from Chase Oil and its affiliates including a drilling contractor, an oilfield services company, a supply company, a drilling fluids supply company, a pipe and tubing supplier, a fixed base operator of aircraft services and a software company. The Company also operates oil and natural gas wells in which Chase Oil owns a working interest. As such, the Company has outstanding receivables related to these oil and natural gas properties from time to time. The tables above summarize the charges incurred as well as outstanding receivables and payables.

(b) The Company purchased oil and natural gas properties from third parties in which employees of the Company owned a working interest. The tables above summarize the Company's activities with these employees.

(c) Certain persons affiliated with Chase Oil own overriding royalty interests in certain of the Company's properties. The tables above summarize the amounts paid attributable to such interests and amounts due at period end.

(d) Royalties are paid on certain properties, located in Andrews County, Texas, to a partnership of which one of the Company's directors is the general partner and owns a 3.5 percent partnership interest. The tables above summarize the amounts paid to such partnership and amounts due at period end.

(e) In June 2009, the Company entered into a consulting agreement (the "Consulting Agreement") with Steven L. Beal, under which Mr. Beal began serving as a consultant to the Company on July 1, 2009. Either the Company or Mr. Beal may terminate the consulting relationship at any time by giving ninety days written notice to the other party; however, the Company may terminate the relationship immediately for cause. During the term of the consulting relationship, Mr. Beal will receive a consulting fee of $20,000 per month and a monthly reimbursement for his medical and dental coverage costs. If Mr. Beal dies during the term of the Consulting Agreement, his estate will receive a $60,000 lump sum payment.

(f) The Company incurred charges for services rendered in the ordinary course of business from a drilling contractor in which one of the Company's employees owns a 3 percent interest.

Saltwater disposal services agreement. Among the assets the Company acquired from Chase Oil is an undivided interest in a saltwater gathering and disposal system, which is owned and maintained under a written agreement among the Company and Chase Oil and certain of its affiliates, and under which the Company as operator gathers and disposes of produced water. The system is owned jointly by the Company and Chase Oil and its affiliates in undivided ownership percentages, which are annually redetermined as of January 1 on the basis of each party's percentage contribution of the total volume of produced water disposed of through the system during the prior calendar year. The Company owned 97.5 percent of the system and Chase Oil and its affiliates owned 2.5 percent.

XML



Incentive Plans (Summary Of Stock Option Awards Activity) (Details) (USD $)	6 Months Ended
	Jun. 30, 2011
Summary of stock option awards activity
Number of Options Outstanding at December 31, 2010	1,597,003
Weighted Average Exercise Price Outstanding at December 31, 2010	$ 15.43
Number of Options exercised	(589,760)
Weighted Average Option Exercise Price	$ 12.11
Number of Options Outstanding at June 30, 2011	1,007,243
Weighted Average Exercise Price Outstanding at June 30, 2011	$ 17.37
Number of Stock Options Vested at end of period	775,349
Weighted Average Exercise Price Vested end of period	$ 16.48
Number of Options Exercisable at end of period	725,446
Weighted Average Exercise Price Exercisable end of period	$ 17.06

XML



Incentive Plans (Summary Of Restricted Stock) (Details) (USD $)	6 Months Ended
	Jun. 30, 2011
Incentive Plans
Outstanding at December 31, 2010	820,884
Shares granted	122,787
Grant Date Fair Value Per Share granted	$ 102.83
Shares cancelled / forfeited	(24,992)
Lapse of restrictions	(121,188)
Outstanding at June 30, 2011	797,491

XML



Related Party Transactions (Tables)

6 Months Ended

Jun. 30, 2011

Related Party Transactions

Schedule Of Related Party Transactions

Months Ended					Six Months Ended
	June 30,					June 30,
(in thousands)	2011		2010			2011		2010
Charges incurred with Chase Oil and affiliates (a)	$	15,227	$	422		$	23,722	$	15,507
Working interests owned by employees: (b)
Revenues distributed to employees	$	138	$	93		$	189	$	171
Joint interest payments received from employees	$	186	$	345		$	363	$	575
Overriding royalty interests paid to Chase Oil affiliates (c)	$	622	$	517		$	1,142	$	1,046
Royalty interests paid to a director of the Company (d)	$	33	$	38		$	62	$	79
Amounts paid under consulting agreement with a director (e)	$	60	$	67		$	120	$	130
Amounts paid under daywork drilling contracts (f)	$	3,623	$	-		$	7,328	$	-

	June 30,		December 31,
(in thousands)	2011		2010
Amounts included in accounts receivable - related parties:
Chase Oil and affiliates (a)	$	72	$	115
Working interests owned by employees (b)	$	84	$	54
Amounts included in accounts payable - related parties:
Chase Oil and affiliates (a)	$	-	$	771
Working interests owned by employees (b)	$	21	$	8
Overriding royalty interests of Chase Oil affiliates (c)	$	501	$	407
Royalty interests of a director of the Company (d)	$	12	$	11

(a) The Company incurred charges for services rendered in the ordinary course of business from Chase Oil and its affiliates including a drilling contractor, an oilfield services company, a supply company, a drilling fluids supply company, a pipe and tubing supplier, a fixed base operator of aircraft services and a software company. The Company also operates oil and natural gas wells in which Chase Oil owns a working interest. As such, the Company has outstanding receivables related to these oil and natural gas properties from time to time. The tables above summarize the charges incurred as well as outstanding receivables and payables.

(b) The Company purchased oil and natural gas properties from third parties in which employees of the Company owned a working interest. The tables above summarize the Company's activities with these employees.

(c) Certain persons affiliated with Chase Oil own overriding royalty interests in certain of the Company's properties. The tables above summarize the amounts paid attributable to such interests and amounts due at period end.

(d) Royalties are paid on certain properties, located in Andrews County, Texas, to a partnership of which one of the Company's directors is the general partner and owns a 3.5 percent partnership interest. The tables above summarize the amounts paid to such partnership and amounts due at period end.

(e) In June 2009, the Company entered into a consulting agreement (the "Consulting Agreement") with Steven L. Beal, under which Mr. Beal began serving as a consultant to the Company on July 1, 2009. Either the Company or Mr. Beal may terminate the consulting relationship at any time by giving ninety days written notice to the other party; however, the Company may terminate the relationship immediately for cause. During the term of the consulting relationship, Mr. Beal will receive a consulting fee of $20,000 per month and a monthly reimbursement for his medical and dental coverage costs. If Mr. Beal dies during the term of the Consulting Agreement, his estate will receive a $60,000 lump sum payment.

(f) The Company incurred charges for services rendered in the ordinary course of business from a drilling contractor in which one of the Company's employees owns a 3 percent interest.

XML



Disclosures About Fair Value Of Financial Instruments (Reconciliation Of Changes In The Fair Value Of Financial Assets-Liabilities Classified As Level 3) (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011
Disclosures About Fair Value Of Financial Instruments
Balance at December 31, 2010	$ 2,481
Realized and unrealized gains, net	356
Settlements	(2,837)
Balance at June 30, 2011
Total gains for the period included in earnings attributable to the change in unrealized gains	$ (2,481)

XML



Summary Of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2011

Summary Of Significant Accounting Policies

Divestitures of Assets

	Asset Group
	Permian Basin	Bakken
(dollars in millions)	Assets	Assets
Date divested	December 2010	March 2011
Net proceeds	$                103.3	$            195.9
Gain on sale of assets	$                  29.1	$            142.0

Future Amortization Expense Of Deferred Loan Costs

(in thousands)
Remaining 2011	$	5,299
2012		10,758
2013		10,986
2014		11,232
2015		11,499
Thereafter		21,167
Total	$	70,941

Gross And Net Intangible Assets

	June 30,		December 31,
(in thousands)	2011		2010
Gross intangible - operating rights	$	38,717	$	38,717
Accumulated amortization		(4,518)		(3,744)
Net intangible - operating rights	$	34,199	$	34,973

Amortization Expense

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2011		2010		2011		2010
Amortization expense	$	387	$	387	$	774	$	774

Estimated Aggregate Amortization Expense

(in thousands)
Remaining 2011	$	775
2012		1,549
2013		1,549
2014		1,549
2015		1,549
Thereafter		27,228
Total	$	34,199

Natural Gas Imbalance Positions

(dollars in thousands)	June 30, 2011		December 31, 2010
Natural gas imbalance liability (included in asset retirement obligations and other long-term liabilities)	$	432	$	403
Overtake position (Mcf)		78,074		71,153
Natural gas imbalance receivable (included in other assets)	$	100	$	100
Undertake position (Mcf)		22,228		22,240

Oil And Natural Gas Production Expense

(dollars in thousands)					June 30, 2011		December 31, 2010
Natural gas imbalance liability (included in asset retirement obligations and other long-term liabilities)					$	432	$	403
Overtake position (Mcf)						78,074		71,153
Natural gas imbalance receivable (included in other assets)					$	100	$	100
Undertake position (Mcf)						22,228		22,240
	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2011		2010		2011		2010
Value of net overtake arising during the period increasing oil and natural gas production expense	$	29	$	10	$	29	$	5
Net overtake position arising during the period (Mcf)		6,952		2,292		6,933		1,008

XML



Consolidated Statements Of Operations (Parenthetical) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Operating costs and expenses:
Non-cash stock-based compensation	$ 4,725	$ 2,871	$ 9,193	$ 5,702

XML



Discontinued Operations

6 Months Ended

Jun. 30, 2011

Discontinued Operations

Discontinued Operations

Note N. Discontinued operations

In March 2011, the Company sold its Bakken assets for cash consideration of approximately $195.9 million. The Company recognized a gain on the disposition of assets in discontinued operations of approximately $142.0 million.

In December 2010, the Company sold certain of its non-core Permian Basin assets for cash consideration of approximately $103.3 million. The Company recorded a gain on the disposition of assets in discontinued operations of approximately $29.1 million.

The Company has reflected the results of operations of these two divestitures as discontinued operations, rather than as a component of continuing operations. The following table represents the components of the Company's discontinued operations for the three and six months ended June 30, 2011 and 2010:

Three Months Ended					Six Months Ended
	June 30,					June 30,
(in thousands)	2011		2010			2011		2010
Operating revenues:
Oil sales	$	-	$	15,135		$	9,456	$	25,072
Natural gas sales		-		1,260			68		4,150
Total operating revenues		-		16,395			9,524		29,222
Operating costs and expenses:
Oil and natural gas production		-		4,006			1,642		7,376
Exploration and abandonments		-		(44)			-		142
Depreciation, depletion and amortization (a)		-		4,490			2,107		8,174
Accretion of discount on asset retirement obligations (a)		-		56			8		115
Impairments of long-lived assets (a)		-		1,203			-		3,567
General and administrative (b)		-		(223)			-		(443)
Total operating costs and expenses		-		9,488			3,757		18,931
Income from operations		-		6,907			5,767		10,291
Other income (expense):
Gain on disposition of assets, net (a)		-		-			141,950		-
Income from discontinued operations before income taxes		-		6,907			147,717		10,291
Income tax benefit (expense):
Current		-		(1,239)			1,188		(2,764)
Deferred (a)		-		(1,285)			(57,717)		(937)
Income from discontinued operations, net of tax	$	-	$	4,383		$	91,188	$	6,590

(a) Represents the significant non-cash components of discontinued operations.

(b) Represents the fees received from third-parties for operating oil and natural gas properties that were sold. The Company reflects these fees as a reduction of general and administrative expenses.

XML



Supplementary Information (Tables)

6 Months Ended

Jun. 30, 2011

Supplementary Information

Capitalized Costs

	June 30,		December 31,
(in thousands)	2011		2010
Oil and natural gas properties:
Proved	$	5,546,152	$	4,982,316
Unproved		734,402		633,933
Less: accumulated depletion and depreciation		(881,607)		(730,509)
Net capitalized costs for oil and natural gas properties	$	5,398,947	$	4,885,740

Costs Incurred For Oil And Natural Gas Producing Activities

Three Months Ended					Six Months Ended
	June 30,					June 30,
(in thousands)	2011		2010			2011		2010
Property acquisition costs:
Proved	$	3,230	$	3,897		$	69,148	$	13,739
Unproved		18,132		15,673			75,340		21,029
Exploration		181,353		36,434			271,919		61,933
Development		140,768		134,206			334,485		245,912
Total costs incurred for oil and natural gas properties	$	343,483	$	190,210		$	750,892	$	342,613

^(a) The costs incurred for oil and natural gas producing activities includes the following amounts of asset retirement obligations:

Asset Retirement Obligations For Oil And Natural Gas Producing Activities

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Proved property acquisition costs	$	—	$	—	$	148	$	—
Exploration costs		320		184		640		252
Development costs		757		776		752		(1,424	)
Total	$	1,077	$	960	$	1,540	$	(1,172	)

XML



Related Party Transactions (Schedule Of Related Party Transactions) (Details) (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010		Dec. 31, 2010
Amounts paid under daywork drilling contracts	$ 3,623,000	[1]			$ 7,328,000	[1]
Accounts receivable - related parties	156,000				156,000				169,000
Accounts payable - related parties	534,000				534,000				1,197,000
Ownership interest in system					3.50%
Parent Issuer [Member]
Accounts receivable - related parties	4,689,765,000				4,689,765,000				5,532,317,000
Accounts payable - related parties	1,271,524,000				1,271,524,000				2,061,777,000
Ownership interest in system					97.50%
President And Chief Operating Officer [Member]
Amounts paid under consulting agreement with a director	60,000	[2]	67,000	[2]	120,000	[2]	130,000	[2]
Consulting fee per month					20,000
Lump Sum Payment To Estate If He Dies During The Term Of Consulting Agreement					60,000
Employee [Member]
Ownership interest in system					3.00%
Chase Oil And Affiliates [Member]
Charges incurred	15,227,000	[3]	422,000	[3]	23,722,000	[3]	15,507,000	[3]
Accounts receivable - related parties	72,000	[3]			72,000	[3]			115,000	[3]
Accounts payable - related parties									771,000	[3]
Ownership interest in system					2.50%
Working Interests Owned By Employees [Member]
Revenues distributed to employees	138,000	[4]	93,000	[4]	189,000	[4]	171,000	[4]
Joint interest payments received from employees	186,000	[4]	345,000	[4]	363,000	[4]	575,000	[4]
Accounts receivable - related parties	84,000	[4]			84,000	[4]			54,000	[4]
Accounts payable - related parties	21,000	[4]			21,000	[4]			8,000	[4]
Overriding Royalty Interests Paid To Chase Oil Affiliates [Member]
Overriding royalty interests paid	622,000	[5]	517,000	[5]	1,142,000	[5]	1,046,000	[5]
Accounts payable - related parties	501,000	[5]			501,000	[5]			407,000	[5]
Director [Member]
Royalty interests paid to a director of the Company	33,000	[6]	38,000	[6]	62,000	[6]	79,000	[6]
Accounts payable - related parties	$ 12,000	[6]			$ 12,000	[6]			$ 11,000	[6]

[1] The Company incurred charges for services rendered in the ordinary course of business from a drilling contractor in which one of the Company's employees owns a 3 percent interest.

[2] In June 2009, the Company entered into a consulting agreement (the "Consulting Agreement") with Steven L. Beal, under which Mr. Beal began serving as a consultant to the Company on July 1, 2009. Either the Company or Mr. Beal may terminate the consulting relationship at any time by giving ninety days written notice to the other party; however, the Company may terminate the relationship immediately for cause. During the term of the consulting relationship, Mr. Beal will receive a consulting fee of $20,000 per month and a monthly reimbursement for his medical and dental coverage costs. If Mr. Beal dies during the term of the Consulting Agreement, his estate will receive a $60,000 lump sum payment.

[3] The Company incurred charges for services rendered in the ordinary course of business from Chase Oil and its affiliates including a drilling contractor, an oilfield services company, a supply company, a drilling fluids supply company, a pipe and tubing supplier, a fixed base operator of aircraft services and a software company. The Company also operates oil and natural gas wells in which Chase Oil owns a working interest. As such, the Company has outstanding receivables related to these oil and natural gas properties from time to time. The tables above summarize the charges incurred as well as outstanding receivables and payables.

[4] The Company purchased oil and natural gas properties from third parties in which employees of the Company owned a working interest. The tables above summarize the Company's activities with these employees.

[5] Certain persons affiliated with Chase Oil own overriding royalty interests in certain of the Company's properties. The tables above summarize the amounts paid attributable to such interests and amounts due at period end.

[6] Royalties are paid on certain properties, located in Andrews County, Texas, to a partnership of which one of the Company's directors is the general partner and owns a 3.5 percent partnership interest. The tables above summarize the amounts paid to such partnership and amounts due at period end.

XML



Other Current Liabilities

6 Months Ended

Jun. 30, 2011

Other Liabilities Current

Other Current Liabilities

Note P. Other current liabilities

The following table provides the components of the Company's other current liabilities at June 30, 2011 and December 31, 2010:

(in thousands)	June 30, 2011		December 31, 2010
Other current liabilities:
Accrued production costs	$	36,761	$	31,149
Payroll related matters		6,163		13,790
Accrued interest		36,987		15,494
Asset retirement obligations		6,317		7,378
Settlements due on derivative instruments		9,065		7,371
Other		5,157		8,093
Other current liabilities	$	100,450	$	83,275

XML



Disclosures About Fair Value Of Financial Instruments (Fair Value Derivative Instruments) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Fair value assets measured on recurring basis derivative financial instruments assets, current	$ 37,559	$ 35,358
Fair value assets measured on recurring basis derivative financial instruments assets, Noncurrent	12,694	16,642
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current	(107,000)	(126,278)
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, Noncurrent	(95,800)	(66,056)
Total current derivative assets (liabilities), gross basis	(69,441)	(90,920)
Total noncurrent derivative assets (liabilities), gross basis	(83,106)	(49,414)
Net derivative assets (liabilities)	(152,547)	(140,334)
Commodity Derivative Price Swap Contracts [Member]
Fair value assets measured on recurring basis derivative financial instruments assets, current	37,559	32,877
Fair value assets measured on recurring basis derivative financial instruments assets, Noncurrent	12,694	16,642
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current	(104,964)	(118,131)
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, Noncurrent	(95,800)	(64,897)
Commodity Derivative Price Swap Contracts [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair value assets measured on recurring basis derivative financial instruments assets, current
Fair value assets measured on recurring basis derivative financial instruments assets, Noncurrent
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, Noncurrent
Commodity Derivative Price Swap Contracts [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value assets measured on recurring basis derivative financial instruments assets, current	37,559	32,877
Fair value assets measured on recurring basis derivative financial instruments assets, Noncurrent	12,694	16,642
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current	(104,964)	(118,131)
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, Noncurrent	(95,800)	(64,897)
Commodity Derivative Price Swap Contracts [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value assets measured on recurring basis derivative financial instruments assets, current
Fair value assets measured on recurring basis derivative financial instruments assets, Noncurrent
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, Noncurrent
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Commodity Derivative Price Collar Contracts [Member]
Fair value assets measured on recurring basis derivative financial instruments assets, current
Significant Unobservable Inputs (Level 3) [Member] | Commodity Derivative Price Collar Contracts [Member]
Fair value assets measured on recurring basis derivative financial instruments assets, current		2,481
Commodity Derivative Price Collar Contracts [Member]
Fair value assets measured on recurring basis derivative financial instruments assets, current		2,481
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Interest Rate Derivative Swap Contracts [Member]
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, Noncurrent
Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Derivative Swap Contracts [Member]
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current		(4,595)
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, Noncurrent		(1,159)
Interest Rate Derivative Swap Contracts [Member]
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current		(4,595)
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, Noncurrent		(1,159)
Commodity Derivative Basis Swap Contracts [Member]
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current	(2,036)	(3,552)
Commodity Derivative Basis Swap Contracts [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current
Commodity Derivative Basis Swap Contracts [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current	(2,036)	(3,552)
Commodity Derivative Basis Swap Contracts [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair value assets measured on recurring basis derivative financial instruments assets, current
Fair value assets measured on recurring basis derivative financial instruments assets, Noncurrent
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, Noncurrent
Total current derivative assets (liabilities), gross basis
Total noncurrent derivative assets (liabilities), gross basis
Net derivative assets (liabilities)
Significant Other Observable Inputs (Level 2) [Member]
Fair value assets measured on recurring basis derivative financial instruments assets, current	37,559	32,877
Fair value assets measured on recurring basis derivative financial instruments assets, Noncurrent	12,694	16,642
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current	(107,000)	(126,278)
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, Noncurrent	(95,800)	(66,056)
Net derivative assets (liabilities)	(152,547)	(142,815)
Significant Unobservable Inputs (Level 3) [Member]
Fair value assets measured on recurring basis derivative financial instruments assets, current		2,481
Fair value assets measured on recurring basis derivative financial instruments assets, Noncurrent
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, current
Fair value liabilities measured on recurring basis derivative financial instruments liabilities, Noncurrent
Total current derivative assets (liabilities), gross basis
Total noncurrent derivative assets (liabilities), gross basis
Net derivative assets (liabilities)		$ 2,481

XML



Incentive Plans (Summary For Future Stock-Based Compensation Expense) (Details) (USD $) In Thousands	Jun. 30, 2011
Remaining 2011	$ 8,921
2012	11,702
2013	7,283
2014	3,930
2015	116
Total	31,952
Restricted Stock [Member]
Remaining 2011	8,590
2012	11,518
2013	7,268
2014	3,930
2015	116
Total	31,422
Employee Stock Option [Member]
Remaining 2011	331
2012	184
2013	15
2014
2015
Total	$ 530

XML



Consolidated Statements Of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 274,757	$ 191,711	[1]
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	189,169	99,770	[1]
Impairments of long-lived assets	76	3,745	[1]
Accretion of discount on asset retirement obligations	1,419	657	[1]
Exploration and abandonments, including dry holes	168	819	[1]
Non-cash compensation expense	9,193	5,702
Bad debt expense		572	[1]
Deferred income taxes	101,967	99,516	[1]
(Gain) loss on sale of assets	1,455	(169)	[1]
(Gain) loss on derivatives not designated as hedges	88,260	(128,336)	[1]
Discontinued operations	(82,118)	12,919	[1]
Other non-cash items	(2,321)	2,420	[1]
Changes in operating assets and liabilities:
Accounts receivable	(105,761)	(27,831)	[1]
Prepaid costs and other	(3,734)	105	[1]
Inventory	(10,868)	(3,834)	[1]
Accounts payable	(29,488)	(8,900)	[1]
Revenue payable	66,164	(897)	[1]
Other current liabilities	(12,491)	(8,439)	[1]
Net cash provided by operating activities	485,847	239,530	[1]
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures on oil and natural gas properties	(578,767)	(278,002)	[1]
Acquisition of oil and natural gas properties	(98,405)	(13,362)	[1]
Additions to other property and equipment	(24,981)	(2,292)	[1]
Proceeds from the sale of assets	196,252	790	[1]
Settlements paid on derivatives not designated as hedges	(76,047)	(9,299)	[1]
Net cash used in investing activities	(581,948)	(302,165)	[1]
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of long-term debt	1,645,000	360,000	[1]
Payments of long-term debt	(1,569,000)	(562,000)	[1]
Net proceeds from issuance of common stock		219,308	[1]
Exercise of stock options	7,140	4,080	[1]
Excess tax benefit related to stock-based compensation	21,117	6,703	[1]
Payments for loan origination costs	(24,466)	(2,299)	[1]
Purchase of treasury stock	(1,720)	(585)	[1]
Bank overdrafts	18,043	34,577	[1]
Net cash provided by financing activities	96,114	59,784	[1]
Net increase (decrease) in cash and cash equivalents	13	(2,851)	[1]
Cash and cash equivalents at beginning of period	384	3,234	[1]
Cash and cash equivalents at end of period	397	383	[1]
SUPPLEMENTAL CASH FLOWS:
Cash paid for interest and fees, net of $73 and $56 capitalized interest	32,069	21,707	[1]
Cash paid for income taxes	$ 14,322	$ 16,715	[1]

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Disclosures About Fair Value Of Financial Instruments

6 Months Ended

Jun. 30, 2011

Disclosures About Fair Value Of Financial Instruments

Disclosures About Fair Value Of Financial Instruments

Note H. Disclosures about fair value of financial instruments

The Company uses a valuation framework based upon inputs that market participants use in pricing an asset or liability, which are classified into two categories: observable inputs and unobservable inputs. Observable inputs represent market data obtained from independent sources; whereas, unobservable inputs reflect a company's own market assumptions, which are used if observable inputs are not reasonably available without undue cost and effort. These two types of inputs are further prioritized into the following fair value input hierarchy:

Level 1:	Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. The Company considers active markets to be those in which transactions for the assets or liabilities occur in sufficient frequency and volume to provide pricing information on an ongoing basis.
Level 2:	Quoted prices in markets that are not active, or inputs which are observable, either directly or indirectly, for substantially the full term of the asset or liability. This category includes those derivative instruments that the Company values using observable market data. Substantially all of these inputs are observable in the marketplace throughout the full term of the derivative instrument, can be derived from observable data, or supported by observable levels at which transactions are executed in the marketplace. Level 2 instruments primarily include non-exchange traded derivatives such as over-the-counter commodity price swaps, basis swaps, investments and interest rate swaps. The Company's valuation models are primarily industry-standard models that consider various inputs including: (i) quoted forward prices for commodities, (ii) time value and (iii) current market and contractual prices for the underlying instruments, as well as other relevant economic measures. The Company utilizes its counterparties' valuations to assess the reasonableness of its prices and valuation techniques.
Level 3:	Measured based on prices or valuation models that require inputs that are both significant to the fair value measurement and less observable from objective sources (i.e., supported by little or no market activity). Level 3 instruments primarily include derivative instruments, such as commodity price collars, as well as investments. The Company's valuation models are primarily industry-standard models that consider various inputs including: (i) quoted forward prices for commodities, (ii) time value, (iii) volatility factors and (iv) current market and contractual prices for the underlying instruments, as well as other relevant economic measures. Although the Company utilizes its counterparties' valuations to assess the reasonableness of our prices and valuation techniques, the Company does not have sufficient corroborating market evidence to support classifying these assets and liabilities as Level 2.

The fair value input hierarchy level to which an asset or liability measurement in its entirety falls is determined based on the lowest level input that is significant to the measurement in its entirety. The following table presents the Company's assets and liabilities that are measured at fair value on a recurring basis at June 30, 2011, for each of the fair value hierarchy levels:

	Fair Value Measurements at Reporting Date  Using
			Significant
	Quoted Prices in		Other		Significant
	Active Markets for		Observable		Unobservable		Fair Value at
	Identical Assets		Inputs		Inputs		June 30,
(in thousands)	(Level 1)		(Level 2)		(Level 3)		2011
Assets:
Commodity derivative price swap contracts	$	-	$	50,253	$	-	$	50,253
		-		50,253		-		50,253
Liabilities:
Commodity derivative price swap contracts		-		(200,764)		-		(200,764)
Commodity derivative basis swap contracts		-		(2,036)		-		(2,036)
		-		(202,800)		-		(202,800)
Net derivative liabilities	$	-	$	(152,547)	$	-	$	(152,547)

The following table sets forth a reconciliation of changes in the fair value of financial assets classified as Level 3 in the fair value hierarchy:

(in thousands)
Balance at December 31, 2010	$	2,481
Realized and unrealized gains, net		356
Settlements		(2,837)
Balance at June 30, 2011	$	-
Total gains for the period included in earnings attributable to the change in unrealized gains	$	(2,481)

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table presents the carrying amounts and fair values of the Company's financial instruments at June 30, 2011 and December 31, 2010:

	June 30, 2011				December 31, 2010
	Carrying		Fair		Carrying		Fair
(in thousands)	Value		Value		Value		Value
Assets:
Derivative instruments	$	5,470	$	5,470	$	9,088	$	9,088
Liabilities:
Derivative instruments	$	158,017	$	158,017	$	149,422	$	149,422
Credit facility	$	239,500	$	226,363	$	613,500	$	606,042
8.625% senior notes due 2017	$	296,426	$	323,103	$	296,219	$	322,879
8.0% senior note due 2018	$	-	$	-	$	158,802	$	162,772
7.0% senior notes due 2021	$	600,000	$	621,000	$	600,000	$	615,000
6.5% senior notes due 2022	$	600,000	$	601,500	$	-	$	-

Cash and cash equivalents, accounts receivable, other current assets, accounts payable, interest payable and other current liabilities. The carrying amounts approximate fair value due to the short maturity of these instruments.

Credit facility. The fair value of the Company's credit facility is estimated by discounting the principal and interest payments at the Company's credit adjusted discount rate at the reporting date.

Senior notes. The fair values of the Company's 8.625%, 7.0%, and 6.5% senior notes are based on quoted market prices. The fair value of the $150 million 8.0% senior note issued to Marbob at December 31, 2010, was based on a risk-adjusted quoted market price of similar publicly-traded debt securities. On May 2, 2011, the Company paid off the 8.0% unsecured senior note at face value with borrowings under the credit facility.

Derivative instruments. The fair value of the Company's derivative instruments are estimated by management considering various factors, including closing exchange and over-the-counter quotations and the time value of the underlying commitments. Financial assets and liabilities are classified based on the lowest level of input that is significant to the fair value measurement. The Company's assessment of the significance of a particular input to the fair value measurement requires judgment, and may affect the valuation of the fair value of assets and liabilities and their placement within the fair value hierarchy levels. The following table (i) summarizes the valuation of each of the Company's financial instruments by required pricing levels and (ii) summarizes the gross fair value by the appropriate balance sheet classification, even when the derivative instruments are subject to netting arrangements and qualify for net presentation in the Company's consolidated balance sheets at June 30, 2011 and December 31, 2010:

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant         Other          Observable         Inputs         (Level 2)		Significant         Unobservable         Inputs         (Level 3)		Total Fair Value at June 30, 2011
Assets (a)
Current:(b)
Commodity derivative price swap contracts	$	-	$	37,559	$	-	$	37,559
		-		37,559		-		37,559
Noncurrent:(c)
Commodity derivative price swap contracts		-		12,694		-		12,694
		-		12,694		-		12,694
Liabilities (a)
Current:(b)
Commodity derivative price swap contracts		-		(104,964)		-		(104,964)
Commodity derivative basis swap contracts		-		(2,036)		-		(2,036)
		-		(107,000)		-		(107,000)
Noncurrent:(c)
Commodity derivative price swap contracts		-		(95,800)		-		(95,800)
		-		(95,800)		-		(95,800)
Net derivative liabilities	$	-	$	(152,547)	$	-	$	(152,547)
(b) Total current derivative liabilities, gross basis							$	(69,441)
(c) Total noncurrent derivative liabilities, gross basis								(83,106)
Net derivative liabilities							$	(152,547)

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value at December 31, 2010
Assets (a)
Current:(b)
Commodity derivative price swap contracts	$	-	$	32,877	$	-	$	32,877
Commodity derivative price collar contracts		-		-		2,481		2,481
		-		32,877		2,481		35,358
Noncurrent:(c)
Commodity derivative price swap contracts		-		16,642		-		16,642
		-		16,642		-		16,642
Liabilities (a)
Current:(b)
Commodity derivative price swap contracts		-		(118,131)		-		(118,131)
Commodity derivative basis swap contracts		-		(3,552)		-		(3,552)
Interest rate derivative swap contracts		-		(4,595)		-		(4,595)
		-		(126,278)		-		(126,278)
Noncurrent:(c)
Commodity derivative price swap contracts		-		(64,897)		-		(64,897)
Interest rate derivative swap contracts		-		(1,159)		-		(1,159)
		-		(66,056)		-		(66,056)
Net derivative assets (liabilities)	$	-	$	(142,815)	$	2,481	$	(140,334)
(b) Total current derivative liabilities, gross basis							$	(90,920)
(c) Total noncurrent derivative liabilities, gross basis								(49,414)
Net derivative liabilities							$	(140,334)

(a) The fair value of derivative instruments reported in the Company's consolidated balance sheets are subject to netting arrangements and qualify for net presentation. The following table reports the net basis derivative fair values as reported in the consolidated balance sheets at June 30, 2011 and December 31, 2010:

	June 30,		December 31,
(in thousands)	2011		2010
Consolidated Balance Sheet Classification:
Current derivative contracts:
Assets	$	4,958	$	6,855
Liabilities		(74,399)		(97,775)
Net current	$	(69,441)	$	(90,920)
Noncurrent derivative contracts:
Assets	$	512	$	2,233
Liabilities		(83,618)		(51,647)
Net noncurrent	$	(83,106)	$	(49,414)

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

Certain assets and liabilities are reported at fair value on a nonrecurring basis in the Company's consolidated balance sheets. The following methods and assumptions were used to estimate the fair values:

Impairments of long-lived assets – The Company reviews its long-lived assets to be held and used, including proved oil and natural gas properties, whenever events or circumstances indicate that the carrying value of those assets may not be recoverable. An impairment loss is indicated if the sum of the expected undiscounted future net cash flows is less than the carrying amount of the assets. In this circumstance, the Company recognizes an impairment loss for the amount by which the carrying amount of the asset exceeds the estimated fair value of the asset. The Company reviews its oil and natural gas properties by amortization base or by individual well for those wells not constituting part of an amortization base. For each property determined to be impaired, an impairment loss equal to the difference between the carrying value of the properties and the estimated fair value (discounted future cash flows) of the properties would be recognized at that time. Estimating future cash flows involves the use of judgments, including estimation of the proved oil and natural gas reserve quantities, timing of development and production, expected future commodity prices, capital expenditures and production costs.

The Company periodically reviews its proved oil and natural gas properties that are sensitive to oil and natural gas prices for impairment. Impairment expense is caused primarily due to declines in commodity prices and well performance. The following table reports the carrying amounts, estimated fair values and impairment expense of long-lived assets for continuing and discontinued operations for the three and six months ended June 30, 2011 and 2010:

(in thousands)	Carrying Amount		Estimated Fair Value		Impairment Expense
Three Months Ended June 30, 2011	$	77	$	1	$	76
Three Months Ended June 30, 2010	$	7,884	$	3,192	$	4,692
Six Months Ended June 30, 2011	$	77	$	1	$	76
Six Months Ended June 30, 2010	$	13,776	$	6,464	$	7,312

Asset retirement obligations – The Company estimates the fair value of Asset Retirement Obligations ("AROs") based on discounted cash flow projections using numerous estimates, assumptions and judgments regarding such factors as the existence of a legal obligation for an ARO; amounts and timing of settlements; the credit-adjusted risk-free rate to be used; and inflation rates. See Note E for a summary of changes in AROs.

The following table sets forth the measurement information for assets measured at fair value on a nonrecurring basis:

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other     Observable     Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Impairment Loss
Three Months Ended June 30, 2011:
Impairment of long-lived assets	$	-	$	-	$	1	$	76
Asset retirement obligations incurred in current period		-		-		1,416
Three Months Ended June 30, 2010:
Impairment of long-lived assets	$	-	$	-	$	3,192	$	4,692
Asset retirement obligations incurred in current period		-		-		665
Six Months Ended June 30, 2011:
Impairment of long-lived assets	$	-	$	-	$	1	$	76
Asset retirement obligations incurred in current period		-		-		3,387
Six Months Ended June 30, 2010:
Impairment of long-lived assets	$	-	$	-	$	6,464	$	7,312
Asset retirement obligations incurred in current period		-		-		1,111

XML



Exploratory Well Costs (Aging Of Capitalized Exploratory Well Costs Based On The Date Drilling Was Completed) (Details) (USD $) In Thousands	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010
Exploratory Well Costs
Exploratory wells in progress	$ 13,858		$ 19,190
Capitalized exploratory well costs that have been capitalized for a period of one year or less	98,026		27,636
Capitalized exploratory well costs that have been capitalized for a period greater than one year
Total capitalized exploratory well costs	$ 111,884	$ 69,558	$ 46,826

XML



Asset Retirement Obligation Transactions (Asset Retirement Obligation Transactions) (Details) (USD $) In Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010		Jun. 30, 2011	Jun. 30, 2010
Asset Retirement Obligations
Asset retirement obligations, beginning of period	$ 43,788	$ 20,837		$ 43,326	$ 22,754
Liabilities incurred from new wells	1,416	665		3,239	1,111
Liabilities assumed in acquisitions				148
Accretion expense on continuing operations	715	316	[1]	1,419	657	[1]
Accretion expense on discontinued operations		56		8	115
Disposition of wells				(412)
Liabilities settled upon plugging and abandoning wells	(385)	(112)		(686)	(297)
Revision of estimates	(339)	295		(1,847)	(2,283)
Asset retirement obligations, end of period	$ 45,195	$ 22,057		$ 45,195	$ 22,057

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Disclosures About Fair Value Of Financial Instruments (Company's Assets And Liabilities Measured at Fair Value On A Recurring Basis) (Details) (USD $) In Thousands	Jun. 30, 2011
Commodity Derivative Price Swap Contracts [Member] | Estimate Of Fair Value, Fair Value Disclosure [Member]
Derivative instruments Fair Value, Assets	$ 50,253
Derivative instruments Fair Value, Liabilities	(200,764)
Commodity Derivative Price Swap Contracts [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Derivative instruments Fair Value, Assets
Derivative instruments Fair Value, Liabilities
Commodity Derivative Price Swap Contracts [Member] | Significant Other Observable Inputs (Level 2) [Member]
Derivative instruments Fair Value, Assets	50,253
Derivative instruments Fair Value, Liabilities	(200,764)
Commodity Derivative Price Swap Contracts [Member] | Significant Unobservable Inputs (Level 3) [Member]
Derivative instruments Fair Value, Assets
Derivative instruments Fair Value, Liabilities
Commodity Derivative Basis Swap Contracts [Member] | Estimate Of Fair Value, Fair Value Disclosure [Member]
Derivative instruments Fair Value, Liabilities	(2,036)
Commodity Derivative Basis Swap Contracts [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Derivative instruments Fair Value, Liabilities
Commodity Derivative Basis Swap Contracts [Member] | Significant Other Observable Inputs (Level 2) [Member]
Derivative instruments Fair Value, Liabilities	(2,036)
Commodity Derivative Basis Swap Contracts [Member] | Significant Unobservable Inputs (Level 3) [Member]
Derivative instruments Fair Value, Liabilities
Estimate Of Fair Value, Fair Value Disclosure [Member]
Derivative instruments Fair Value, Assets	50,253
Derivative instruments Fair Value, Liabilities	(202,800)
Net derivative liabilities	(152,547)
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Derivative instruments Fair Value, Assets
Derivative instruments Fair Value, Liabilities
Net derivative liabilities
Significant Other Observable Inputs (Level 2) [Member]
Derivative instruments Fair Value, Assets	50,253
Derivative instruments Fair Value, Liabilities	(202,800)
Net derivative liabilities	(152,547)
Significant Unobservable Inputs (Level 3) [Member]
Derivative instruments Fair Value, Assets
Derivative instruments Fair Value, Liabilities
Net derivative liabilities

XML



Disclosures About Fair Value Of Financial Instruments (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2011

Dec. 31, 2010

Disclosures About Fair Value Of Financial Instruments

Company's Assets And Liabilities Measured At Fair Value On A Recurring Basis

	Fair Value Measurements at Reporting Date  Using
			Significant
	Quoted Prices in		Other		Significant
	Active Markets for		Observable		Unobservable		Fair Value at
	Identical Assets		Inputs		Inputs		June 30,
(in thousands)	(Level 1)		(Level 2)		(Level 3)		2011
Assets:
Commodity derivative price swap contracts	$	-	$	50,253	$	-	$	50,253
		-		50,253		-		50,253
Liabilities:
Commodity derivative price swap contracts		-		(200,764)		-		(200,764)
Commodity derivative basis swap contracts		-		(2,036)		-		(2,036)
		-		(202,800)		-		(202,800)
Net derivative liabilities	$	-	$	(152,547)	$	-	$	(152,547)

Reconciliation Of Changes In The Fair Value Of Financial Assets (Liabilities) Classified As Level 3

(in thousands)
Balance at December 31, 2010	$	2,481
Realized and unrealized gains, net		356
Settlements		(2,837)
Balance at June 30, 2011	$	-
Total gains for the period included in earnings attributable to the change in unrealized gains	$	(2,481)

Carrying Amounts And Fair Values Of The Company's Financial Instruments

	June 30, 2011				December 31, 2010
	Carrying		Fair		Carrying		Fair
(in thousands)	Value		Value		Value		Value
Assets:
Derivative instruments	$	5,470	$	5,470	$	9,088	$	9,088
Liabilities:
Derivative instruments	$	158,017	$	158,017	$	149,422	$	149,422
Credit facility	$	239,500	$	226,363	$	613,500	$	606,042
8.625% senior notes due 2017	$	296,426	$	323,103	$	296,219	$	322,879
8.0% senior note due 2018	$	-	$	-	$	158,802	$	162,772
7.0% senior notes due 2021	$	600,000	$	621,000	$	600,000	$	615,000
6.5% senior notes due 2022	$	600,000	$	601,500	$	-	$	-

Fair Value Derivative Instruments

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant         Other          Observable         Inputs         (Level 2)		Significant         Unobservable         Inputs         (Level 3)		Total Fair Value at June 30, 2011
Assets (a)
Current:(b)
Commodity derivative price swap contracts	$	-	$	37,559	$	-	$	37,559
		-		37,559		-		37,559
Noncurrent:(c)
Commodity derivative price swap contracts		-		12,694		-		12,694
		-		12,694		-		12,694
Liabilities (a)
Current:(b)
Commodity derivative price swap contracts		-		(104,964)		-		(104,964)
Commodity derivative basis swap contracts		-		(2,036)		-		(2,036)
		-		(107,000)		-		(107,000)
Noncurrent:(c)
Commodity derivative price swap contracts		-		(95,800)		-		(95,800)
		-		(95,800)		-		(95,800)
Net derivative liabilities	$	-	$	(152,547)	$	-	$	(152,547)
(b) Total current derivative liabilities, gross basis							$	(69,441)
(c) Total noncurrent derivative liabilities, gross basis								(83,106)
Net derivative liabilities							$	(152,547)

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value at December 31, 2010
Assets (a)
Current:(b)
Commodity derivative price swap contracts	$	-	$	32,877	$	-	$	32,877
Commodity derivative price collar contracts		-		-		2,481		2,481
		-		32,877		2,481		35,358
Noncurrent:(c)
Commodity derivative price swap contracts		-		16,642		-		16,642
		-		16,642		-		16,642
Liabilities (a)
Current:(b)
Commodity derivative price swap contracts		-		(118,131)		-		(118,131)
Commodity derivative basis swap contracts		-		(3,552)		-		(3,552)
Interest rate derivative swap contracts		-		(4,595)		-		(4,595)
		-		(126,278)		-		(126,278)
Noncurrent:(c)
Commodity derivative price swap contracts		-		(64,897)		-		(64,897)
Interest rate derivative swap contracts		-		(1,159)		-		(1,159)
		-		(66,056)		-		(66,056)
Net derivative assets (liabilities)	$	-	$	(142,815)	$	2,481	$	(140,334)
(b) Total current derivative liabilities, gross basis							$	(90,920)
(c) Total noncurrent derivative liabilities, gross basis								(49,414)
Net derivative liabilities							$	(140,334)

Net Basis Derivative Fair Values

	June 30,		December 31,
(in thousands)	2011		2010
Consolidated Balance Sheet Classification:
Current derivative contracts:
Assets	$	4,958	$	6,855
Liabilities		(74,399)		(97,775)
Net current	$	(69,441)	$	(90,920)
Noncurrent derivative contracts:
Assets	$	512	$	2,233
Liabilities		(83,618)		(51,647)
Net noncurrent	$	(83,106)	$	(49,414)

Carrying Amount Estimated Fair Value And Impairment Expense Of Long Lived Assets

(in thousands)	Carrying Amount		Estimated Fair Value		Impairment Expense
Three Months Ended June 30, 2011	$	77	$	1	$	76
Three Months Ended June 30, 2010	$	7,884	$	3,192	$	4,692
Six Months Ended June 30, 2011	$	77	$	1	$	76
Six Months Ended June 30, 2010	$	13,776	$	6,464	$	7,312

Fair Value Of Asset Retirement Obligations

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other     Observable     Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Impairment Loss
Three Months Ended June 30, 2011:
Impairment of long-lived assets	$	-	$	-	$	1	$	76
Asset retirement obligations incurred in current period		-		-		1,416
Three Months Ended June 30, 2010:
Impairment of long-lived assets	$	-	$	-	$	3,192	$	4,692
Asset retirement obligations incurred in current period		-		-		665
Six Months Ended June 30, 2011:
Impairment of long-lived assets	$	-	$	-	$	1	$	76
Asset retirement obligations incurred in current period		-		-		3,387
Six Months Ended June 30, 2010:
Impairment of long-lived assets	$	-	$	-	$	6,464	$	7,312
Asset retirement obligations incurred in current period		-		-		1,111

XML



Income Taxes

6 Months Ended

Jun. 30, 2011

Income Taxes

Income Taxes

Note L. Income taxes

The Company uses an asset and liability approach for financial accounting and reporting for income taxes. The Company's objectives of accounting for income taxes are to recognize (i) the amount of taxes payable or refundable for the current year and (ii) deferred tax liabilities and assets for the future tax consequences of events that have been recognized in its financial statements or tax returns. The Company and its subsidiaries file a federal corporate income tax return on a consolidated basis. The tax returns and the amount of taxable income or loss are subject to examination by federal and state taxing authorities.

The Company continually assesses both positive and negative evidence to determine whether it is more likely than not that deferred tax assets can be realized prior to their expiration. Management monitors company-specific, oil and natural gas industry and worldwide economic factors and assesses the likelihood that the Company's net operating loss carryforwards ("NOLs") and other deferred tax attributes in the United States, state, and local tax jurisdictions will be utilized prior to their expiration. At June 30, 2011 and December 31, 2010, the Company had no valuation allowances related to its deferred tax assets.

At June 30, 2011, the Company did not have any significant uncertain tax positions requiring recognition in the financial statements. The tax years 2007 through 2010 remain subject to examination by the major tax jurisdictions.

Income tax provision. The Company's income tax provision and amounts separately allocated were attributable to the following items for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Income from continuing operations	$	143,270	$	72,220	$	112,801	$	110,983
Income from discontinued operations		-		2,524		56,529		3,701
Changes in stockholders' equity:
Excess tax benefits related to stock-based compensation		(4,074)		(3,205)		(21,117)		(6,703)
	$	139,196	$	71,539	$	148,213	$	107,981

The Company's income tax provision attributable to income from continuing operations consisted of the following for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Current:
U.S. federal	$	3,208	$	393	$	9,552	$	9,753
U.S. state and local		519		487		1,282		1,714
Total current income tax provision		3,727		880		10,834		11,467
Deferred:
U.S. federal		121,452		63,898		88,599		89,049
U.S. state and local		18,091		7,442		13,368		10,467
Total deferred income tax provision		139,543		71,340		101,967		99,516
Total income tax provision attributable to income from continuing operations	$	143,270	$	72,220	$	112,801	$	110,983

The reconciliation between the income tax expense computed by multiplying pretax income from continuing operations by the United States federal statutory rate and the reported amounts of income tax expense from continuing operations is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Income at U.S. federal statutory rate	$	131,409	$	67,203	$	103,730	$	103,636
State income taxes, net of federal tax effect		12,097		5,156		9,523		7,917
Statutory depletion		(144)		46		(186)		(178)
Nondeductible expense & other		(92)		(185)		(266)		(392)
Income tax expense	$	143,270	$	72,220	$	112,801	$	110,983
Effective tax rate		38.2%		37.6%		38.1%		37.5%

The Company's income tax provision attributable to income from discontinued operations consisted of the following for the three and six months ended June 30, 2011 and 2010:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Current:
U.S. federal	$	-	$	1,234	$	(1,192)	$	2,753
U.S. state and local		-		5		4		11
Total current income tax provision (benefit)		-		1,239		(1,188)		2,764
Deferred:
U.S. federal		-		1,014		50,373		543
U.S. state and local		-		271		7,344		394
Total deferred income tax provision		-		1,285		57,717		937
Total income tax provision attributable to income from discontinued operations	$	-	$	2,524	$	56,529	$	3,701

XML



Consolidated Balance Sheets (USD $) In Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 397	$ 384
Accounts receivable, net of allowance for doubtful accounts:
Oil and natural gas	216,128	136,471
Joint operations and other	170,969	131,912
Related parties	156	169
Derivative instruments	4,958	6,855
Deferred income taxes	28,962	42,716
Prepaid costs and other	16,982	12,126
Total current assets	438,552	330,633
Property and equipment, at cost:
Oil and natural gas properties, successful efforts method	6,280,554	5,616,249
Accumulated depletion and depreciation	(881,607)	(730,509)
Total oil and natural gas properties, net	5,398,947	4,885,740
Other property and equipment, net	50,340	28,047
Total property and equipment, net	5,449,287	4,913,787
Deferred loan costs, net	70,941	52,828
Intangible asset - operating rights, net	34,199	34,973
Inventory	38,076	28,342
Noncurrent derivative instruments	512	2,233
Other assets	4,576	5,698
Total assets	6,036,143	5,368,494
Accounts payable:
Trade	11,118	39,943
Related parties	534	1,197
Other current liabilities
Bank overdrafts	30,357	12,314
Revenue payable	123,570	57,406
Accrued and prepaid drilling costs	296,681	215,079
Derivative instruments	74,399	97,775
Other current liabilities	100,450	83,275
Total current liabilities	637,109	506,989
Long-term debt	1,735,926	1,668,521
Deferred income taxes	845,702	720,889
Noncurrent derivative instruments	83,618	51,647
Asset retirement obligations and other long-term liabilities	39,427	36,574
Commitments and contingencies (Note K)
Stockholders' equity:
Common stock, $0.001 par value; 300,000,000 authorized; 103,529,637 and 102,842,082 shares issued at June 30, 2011 and December 31, 2010, respectively	104	103
Additional paid-in capital	1,912,098	1,874,649
Retained earnings	785,494	510,737
Treasury stock, at cost; 48,849 and 31,963 shares at June 30, 2011 and December 31, 2010, respectively	(3,335)	(1,615)
Total stockholders' equity	2,694,361	2,383,874
Total liabilities and stockholders' equity	$ 6,036,143	$ 5,368,494

XML



Debt (Tables)

6 Months Ended

Jun. 30, 2011

Debt

Summary Of Long Term Debt

(in thousands)	June 30, 2011		December 31, 2010
Credit facility	$	239,500	$	613,500
8.625% unsecured senior notes due 2017		300,000		300,000
8.0% unsecured senior note due 2018		-		150,000
7.0% unsecured senior notes due 2021		600,000		600,000
6.5% unsecured senior notes due 2022		600,000		-
Unamortized original issue (discount) premium, net		(3,574)		5,021
Total long-term debt	$	1,735,926	$	1,668,521

Future Interest Expense From Original Issue Discount On Senior Notes

(in thousands)
Remaining 2011	$	215
2012		462
2013		507
2014		557
2015		612
Thereafter		1,221
Total	$	3,574

Principal Maturities Of Debt

(in thousands)
2011	$	-
2012		-
2013		-
2014		-
2015		-
Thereafter		1,739,500
Total	$	1,739,500

Summary Of Interest Expense

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2011		2010		2011		2010
Cash payments for interest	$	21,747	$	18,016	$	32,142	$	21,763
Amortization of net original issue discount (premium)		32		95		(82)		187
Amortization of deferred loan origination costs		2,810		1,164		6,353		2,204
Write-off of original issue premium		(8,513)		-		(8,513)		-
Net changes in accruals		5,584		(8,045)		21,493		(1,841)
Interest costs incurred		21,660		11,230		51,393		22,313
Less: capitalized interest		-		(38)		(73)		(56)
Total interest expense	$	21,660	$	11,192	$	51,320	$	22,257

XML



Derivative Financial Instruments (Gains And Losses Reported In Earnings Related To The Commodity And Interest Rate Derivative Instruments) (Details) (USD $) In Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010		Jun. 30, 2011	Jun. 30, 2010
Cash (payments on) receipts from derivatives not designated as hedges				$ (76,047)	$ (9,299)	[1]
Total gain (loss) on derivatives not designated as hedges	144,882	112,763	[1]	(88,260)	128,336	[1]
Oil Commodity Derivative [Member]
Cash (payments on) receipts from derivatives not designated as hedges	(48,398)	(2,852)		(80,628)	(12,985)
Mark-to-market gain (loss)	192,566	119,303		(8,942)	120,741
Natural Gas Commodity Derivative [Member]
Cash (payments on) receipts from derivatives not designated as hedges	6,076	5,614		11,205	6,120
Mark-to-market gain (loss)	(4,802)	(6,509)		(9,025)	20,678
Interest Rate Derivatives [Member]
Cash (payments on) receipts from derivatives not designated as hedges	(5,429)	(1,221)		(6,624)	(2,434)
Mark-to-market gain (loss)	$ 4,869	$ (1,572)		$ 5,754	$ (3,784)

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Income Taxes (Company's Income Tax Provision Attributable To Income From Discontinued Operations) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Income Taxes
U.S. federal		$ 1,234	$ (1,192)	$ 2,753
U.S. state and local		5	4	11
Total current income tax provision (benefit)		1,239	(1,188)	2,764
U.S. federal		1,014	50,373	543
U.S. state and local		271	7,344	394
Total deferred income tax provision		1,285	57,717	937
Total income tax provision attributable to income from discontinued operations		$ 2,524	$ 56,529	$ 3,701

XML



Disclosures About Fair Value Of Financial Instruments (Fair Value Of Asset Retirement Obligations) (Details) (USD $) In Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010		Jun. 30, 2011	Jun. 30, 2010
Impairments of long-lived assets	$ 76	$ 3,489	[1]	$ 76	$ 3,745	[1]
Fair Value Measurements Nonrecurring [Member]
Impairments of long-lived assets	76	4,692		76	7,312
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Impairments of long-lived assets
Asset retirement obligations incurred in current period
Significant Other Observable Inputs (Level 2) [Member]
Impairments of long-lived assets
Asset retirement obligations incurred in current period
Significant Unobservable Inputs (Level 3) [Member]
Impairments of long-lived assets	1	3,192		1	6,464
Asset retirement obligations incurred in current period	$ 1,416	$ 665		$ 3,387	$ 1,111

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Summary Of Significant Accounting Policies (Amortization Expense) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Summary Of Significant Accounting Policies
Amortization expense	$ 387	$ 387	$ 774	$ 774

XML



Supplementary Information (Costs Incurred For Oil And Natural Gas Producing Activities) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Supplementary Information
Proved	$ 3,230	$ 3,897	$ 69,148	$ 13,739
Unproved	18,132	15,673	75,340	21,029
Exploration	181,353	36,434	271,919	61,933
Development	140,768	134,206	334,485	245,912
Total costs incurred for oil and natural gas properties	$ 343,483	$ 190,210	$ 750,892	$ 342,613

XML



Acquisitions And Business Combinations (Fair Values Assigned To Each Of Assets Acquired And Liabilities Assumed) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended	6 Months Ended
	Oct. 07, 2010 Marbob [Member]	Jun. 30, 2011 Marbob [Member]		Jun. 30, 2011 Settlement [Member]	Oct. 15, 2010 Settlement [Member]
Proved oil and natural gas properties		$ 1,014,734		$ 185,337
Unproved oil and natural gas properties		334,866		101,582
Other long-term assets		20,771
Total assets acquired		1,370,371		286,919
Asset retirement obligations assumed		(7,851)		(689)
Net purchase price	292,700	1,362,520		286,230	286,000
Cash consideration		1,127,747		286,230
Marbob $150 million senior unsecured 8% note, due 2018		159,000	[1]
Common stock, $.0.001 par value; 1,103,752 shares issued		75,773	[2]
Total Purchase Price	$ 292,700	$ 1,362,520		$ 286,230	$ 286,000
Common stock issued for acquisition	6,600,000	1,103,752
Fair value of common stock issued	$ 68.65

[1] The fair value of the $150 million 8.0% senior unsecured note due 2018 issued to Marbob, was calculated by reference to the traded market yield of Concho's 8.625% senior unsecured notes due 2017, at September 30, 2010.

[2] The fair value of the Concho common stock issued to Marbob was valued at the average of the high and low price on the closing date (October 7, 2010) of $68.65 per share.

XML



Incentive Plans (Summary Information For Stock-Based Compensation For Stock Options) (Details) (Employee Stock Option [Member], USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Stock-based compensation expense from stock options	$ 209	$ 579	$ 549	$ 1,588
Income tax benefit related to stock options	80	218	210	599
Deductions in current taxable income related to stock options exercised	8,914	8,473	52,155	18,124
Employee Grants [Member]
Stock-based compensation expense from stock options	22	42	45	86
Officer And Director Grants [Member]
Stock-based compensation expense from stock options	$ 187	$ 537	$ 504	$ 1,502

XML



Other Current Liabilities (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Other Liabilities Current
Accrued production costs	$ 36,761	$ 31,149
Payroll related matters	6,163	13,790
Accrued interest	36,987	15,494
Asset retirement obligations	6,317	7,378
Settlements due on derivative instruments	9,065	7,371
Other	5,157	8,093
Other current liabilities	$ 100,450	$ 83,275

XML



Net Income Per Share (Details) In Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010		Jun. 30, 2011	Jun. 30, 2010
Basic	102,569	91,044	[1]	102,407	89,944	[1]
Diluted	103,638	92,297	[1]	103,570	91,220	[1]
Stock Options [Member]
Dilutive Stock	575	869		656	916
Restricted Stock [Member]
Dilutive Stock	494	384		507	360

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Subsidiary Guarantors (Condensed Consolidating Statement Of Operations) (Details) (USD $) In Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010		Jun. 30, 2011	Jun. 30, 2010
Total operating revenues	$ 446,232	$ 199,315	[1]	$ 807,072	$ 398,488	[1]
Total operating costs and expenses	(47,385)	4,189	[1]	(457,295)	(79,750)	[1]
Income from operations	398,847	203,504	[1]	349,777	318,738	[1]
Interest expense	(21,660)	(11,192)	[1]	(51,320)	(22,257)	[1]
Other, net	(1,735)	(304)	[1]	(2,087)	(377)	[1]
Income from continuing operations before income taxes	375,452	192,008	[1]	296,370	296,104	[1]
Income tax expense	(143,270)	(72,220)	[1]	(112,801)	(110,983)	[1]
Income from continuing operations	232,182	119,788	[1]	183,569	185,121	[1]
Income from discontinued operations, net of tax		4,383		91,188	6,590
Net income	232,182	124,171	[1]	274,757	191,711	[1]
Parent Issuer [Member]
Total operating costs and expenses	143,175	109,112		(87,688)	125,055
Income from operations	143,175	109,112		(87,688)	125,055
Interest expense	(21,660)	(11,192)		(51,320)	(22,257)
Other, net	253,937	100,995		583,095	203,597
Income from continuing operations before income taxes	375,452	198,915		444,087	306,395
Income tax expense	(143,270)	(72,220)		(112,801)	(110,983)
Income from continuing operations		126,695		331,286	195,412
Income from discontinued operations, net of tax		(2,524)		(56,529)	(3,701)
Net income	232,182	124,171		274,757	191,711
Subsidiary Guarantors [Member]
Total operating revenues	446,232	199,315		807,072	398,488
Total operating costs and expenses	(190,560)	(104,923)		(369,607)	(204,805)
Income from operations	255,672	94,392		437,465	193,683
Other, net	(1,635)	(304)		(2,187)	(377)
Income from continuing operations before income taxes	254,037	94,088		435,278	193,306
Income from continuing operations		94,088		435,278	193,306
Income from discontinued operations, net of tax		6,907		147,717	10,291
Net income	254,037	100,995		582,995	203,597
Consolidating Entries [Member]
Other, net	(254,037)	(100,995)		(582,995)	(203,597)
Income from continuing operations before income taxes	(254,037)	(100,995)		(582,995)	(203,597)
Income from continuing operations		(100,995)		(582,995)	(203,597)
Net income	$ (254,037)	$ (100,995)		$ (582,995)	$ (203,597)

[1] Retrospectively adjusted for presentation of discontinued operations as described in Note B.

XML



Subsequent Events (New Commodity Derivative Contracts) (Details)	Jul. 31, 2011
New Commodity Derivative Contracts, Oil Price Swap One [Member]
Volume (Bbl)	535,000
Index Price	100.66	[1]
Derivative Inception Date	Oct. 01, 2011
Derivative Maturity Date	Dec. 31, 2011
New Commodity Derivative Contracts, Oil Price Swap Two [Member]
Volume (Bbl)	1,344,000
Index Price	102.24	[1]
Derivative Inception Date	Jan. 01, 2012
New Commodity Derivative Contracts, Oil Price Swap Three [Member]
Volume (Bbl)	810,000
Index Price	103.66	[1]
Derivative Inception Date	Jan. 01, 2013
Derivative Maturity Date	Dec. 31, 2013

[1] (a) The index prices for the oil price swaps are based on the NYMEX-West Texas Intermediate monthly average futures price.

XML



Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Summary Of Significant Accounting Policies
Percent decision making authority in entity not owned by company			100.00%
Estimated economic life of gross operating rights in years			25
Fees related to operation of jointly owned oil and natural gas properties	$ 3.1	$ 3.6	$ 5.7	$ 6.5

XML



Summary Of Significant Accounting Policies (Divestitures of Assets) (Details) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011
Permian Basin Assets [Member]
Date divested	December 2010
Net proceeds	$ 103.3
Gain on sale of assets	29.1
Bakken Assets [Member]
Date divested	March 2011
Net proceeds	195.9
Gain on sale of assets	$ 142.0

XML



Exploratory Well Costs (Capitalized Exploratory Well Activity) (Details) (USD $) In Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2011
Exploratory Well Costs
Beginning capitalized exploratory well costs	$ 69,558	$ 46,826
Additions to exploratory well costs pending the determination of proved reserves	86,905	138,262
Reclassifications due to determination of proved reserves	(44,579)	(73,204)
Exploratory well costs charged to expense
Ending capitalized exploratory well costs	$ 111,884	$ 111,884

XML



Commitments And Contingencies (Tables)

6 Months Ended

Jun. 30, 2011

Commitments And Contingencies

Future Drilling Commitments

Payments Due By Period
(in thousands)	Total		Less than 1 year		1 - 3 years		3 - 5 years		More than         5 years
Daywork drilling contracts with related parties (a)	$	2,769	$	2,769	$	-	$	-	$	-
Other daywork drilling contracts		1,975		1,975		-		-		-
Total contractual drilling commitments	$	4,744	$	4,744	$	-	$	-	$	-

^(a)  Consists of daywork drilling contracts with (i) Silver Oak Drilling, LLC, an affiliate of Chase Oil Corporation ("Chase Oil"), a stockholder of the Company and (ii) a company in which one of the Company's employees owns a 3 percent interest.

Lease Commitments Under Non-Cancellable Operating Leases

(in thousands)
Remaining 2011	$	1,896
2012		3,500
2013		2,994
2014		2,476
2015		2,595
Thereafter		1,295
Total	$	14,756