10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

þ   Quarterly report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ended June 30, 2018

OR

o   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: 001-12935

DENBURY RESOURCES INC.

(Exact name of registrant as specified in its charter)

Delaware	20-0467835
(State or other jurisdictionof incorporation or organization)	(I.R.S. EmployerIdentification No.)
5320 Legacy Drive, Plano, TX	75024
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (972) 673-2000

Not applicable

(Former name, former address and former fiscal year, if changed since last report)

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 o

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 during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes þ  No o

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

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

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

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

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

Class	Outstanding as of July 31, 2018
Common Stock, $.001 par value	460,637,322

Denbury Resources Inc.

Table of Contents

		Page
	PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements
	Unaudited Condensed Consolidated Balance Sheets as of June 30, 2018 and December 31, 2017	3
	Unaudited Condensed Consolidated Statements of Operations for the Three and Six Months Ended June 30, 2018 and 2017	4
	Unaudited Condensed Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2018 and 2017	5
	Unaudited Condensed Consolidated Statement of Changes in Stockholders’ Equity for the Six Months Ended June 30, 2018	6
	Notes to Unaudited Condensed Consolidated Financial Statements	7
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	18
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	35
Item 4.	Controls and Procedures	37
	PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	38
Item 1A.	Risk Factors	38
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	39
Item 3.	Defaults Upon Senior Securities	39
Item 4.	Mine Safety Disclosures	39
Item 5.	Other Information	39
Item 6.	Exhibits	40
	Signatures	41

2

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

Denbury Resources Inc.

Unaudited Condensed Consolidated Balance Sheets

(In thousands, except par value and share data)

	June 30,			December 31,
	2018			2017
Assets
Current assets
Cash and cash equivalents	$	116		$	58
Accrued production receivable	163,719			146,334
Trade and other receivables, net	44,848			45,193
Other current assets	15,554			10,670
Total current assets	224,237			202,255
Property and equipment
Oil and natural gas properties (using full cost accounting)
Proved properties	10,902,665			10,775,792
Unevaluated properties	965,553			951,397
CO2 properties	1,192,731			1,191,058
Pipelines and plants	2,293,884			2,286,047
Other property and equipment	311,240			339,218
Less accumulated depletion, depreciation, amortization and impairment	(11,455,046		)	(11,376,646		)
Net property and equipment	4,211,027			4,166,866
Other assets	98,971			102,178
Total assets	$	4,534,235		$	4,471,299
Liabilities and Stockholders’ Equity
Current liabilities
Accounts payable and accrued liabilities	$	195,143		$	177,220
Oil and gas production payable	72,087			76,588
Derivative liabilities	145,254			99,061
Current maturities of long-term debt (including future interest payable of $84,932 and $75,347, respectively – see Note 4)	111,335			105,188
Total current liabilities	523,819			458,057
Long-term liabilities
Long-term debt, net of current portion (including future interest payable of $207,659 and $241,472, respectively – see Note 4)	2,689,647			2,979,086
Asset retirement obligations	170,797			165,756
Derivative liabilities	10,704			—
Deferred tax liabilities, net	231,761			198,099
Other liabilities	21,862			22,136
Total long-term liabilities	3,124,771			3,365,077
Commitments and contingencies (Note 7)
Stockholders’ equity
Preferred stock, $.001 par value, 25,000,000 shares authorized, none issued and outstanding	—			—
Common stock, $.001 par value, 600,000,000 shares authorized; 458,214,377 and 402,549,346 shares issued, respectively	458			403
Paid-in capital in excess of par	2,676,352			2,507,828
Accumulated deficit	(1,786,010		)	(1,855,810		)
Treasury stock, at cost, 806,318 and 457,041 shares, respectively	(5,155		)	(4,256		)
Total stockholders’ equity	885,645			648,165
Total liabilities and stockholders’ equity	$	4,534,235		$	4,471,299

See accompanying Notes to Unaudited Condensed Consolidated Financial Statements.

3

Denbury Resources Inc.

Unaudited Condensed Consolidated Statements of Operations

(In thousands, except per share data)

	Three Months Ended June 30,					Six Months Ended June 30,
	2018		2017			2018		2017
Revenues and other income
Oil, natural gas, and related product sales	$	375,565	$	250,880		$	715,586	$	517,058
CO2 sales and transportation fees	6,715		6,555			14,267		11,943
Other income	4,783		3,749			10,444		7,637
Total revenues and other income	387,063		261,184			740,297		536,638
Expenses
Lease operating expenses	120,384		111,318			238,740		225,158
Marketing and plant operating expenses	11,549		13,877			23,973		27,942
CO2 discovery and operating expenses	500		513			962		1,106
Taxes other than income	27,234		20,175			54,553		42,615
General and administrative expenses	19,412		25,789			39,644		54,030
Interest, net of amounts capitalized of $8,851, $8,147, $17,303 and $12,801, respectively	16,208		24,061			33,447		51,239
Depletion, depreciation, and amortization	52,944		51,152			105,395		102,347
Commodity derivatives expense (income)	96,199		(10,373		)	145,024		(34,975		)
Other expenses	2,980		—			5,308		—
Total expenses	347,410		236,512			647,046		469,462
Income before income taxes	39,653		24,672			93,251		67,176
Income tax provision	9,431		10,273			23,451		31,247
Net income	$	30,222	$	14,399		$	69,800	$	35,929
Net income per common share
Basic	$	0.07	$	0.04		$	0.17	$	0.09
Diluted	$	0.07	$	0.04		$	0.15	$	0.09
Weighted average common shares outstanding
Basic	433,467		389,904			413,217		389,652
Diluted	457,165		391,827			454,466		392,414

See accompanying Notes to Unaudited Condensed Consolidated Financial Statements.

4

Denbury Resources Inc.

Unaudited Condensed Consolidated Statements of Cash Flows

(In thousands)

	Six Months Ended June 30,
	2018			2017
Cash flows from operating activities
Net income	$	69,800		$	35,929
Adjustments to reconcile net income to cash flows from operating activities
Depletion, depreciation, and amortization	105,395			102,347
Deferred income taxes	25,237			51,147
Stock-based compensation	5,152			8,941
Commodity derivatives expense (income)	145,024			(34,975		)
Payment on settlements of commodity derivatives	(88,127		)	(38,707		)
Debt issuance costs and discounts	2,268			3,344
Other, net	(5,107		)	(1,006		)
Changes in assets and liabilities, net of effects from acquisitions
Accrued production receivable	(17,385		)	21,114
Trade and other receivables	(320		)	(17,916		)
Other current and long-term assets	(5,627		)	(10,225		)
Accounts payable and accrued liabilities	14,999			(26,611		)
Oil and natural gas production payable	(4,501		)	(12,652		)
Other liabilities	(1,182		)	(3,522		)
Net cash provided by operating activities	245,626			77,208
Cash flows from investing activities
Oil and natural gas capital expenditures	(134,458		)	(129,884		)
Acquisitions of oil and natural gas properties	—			(89,208		)
Pipelines and plants capital expenditures	(7,882		)	(634		)
Net proceeds from sales of oil and natural gas properties and equipment	2,077			725
Other	6,131			(1,294		)
Net cash used in investing activities	(134,132		)	(220,295		)
Cash flows from financing activities
Bank repayments	(1,153,653		)	(796,000		)
Bank borrowings	1,093,653			985,000
Interest payments treated as a reduction of debt	(37,233		)	(25,139		)
Pipeline financing and capital lease debt repayments	(12,625		)	(13,728		)
Other	(628		)	(4,289		)
Net cash provided by (used in) financing activities	(110,486		)	145,844
Net increase in cash, cash equivalents, and restricted cash	1,008			2,757
Cash, cash equivalents, and restricted cash at beginning of period	40,614			40,905
Cash, cash equivalents, and restricted cash at end of period	$	41,622		$	43,662

See accompanying Notes to Unaudited Condensed Consolidated Financial Statements.

5

Denbury Resources Inc.

Unaudited Condensed Consolidated Statement of Changes in Stockholders' Equity

(Dollar amounts in thousands)

	Common Stock ($.001 Par Value)			Paid-In Capital in Excess of Par		Retained Earnings (Accumulated Deficit)			Treasury Stock (at cost)
	Shares	Amount							Shares	Amount			Total Equity
Balance – December 31, 2017	402,549,346	$	403	$	2,507,828	$	(1,855,810	)	457,041	$	(4,256	)	$	648,165
Issued or purchased pursuant to stock compensation plans	415,032	—		—		—			—	—			—
Issued pursuant to notes conversion	55,249,999	55		161,995		—			—	—			162,050
Stock-based compensation	—	—		6,529		—			—	—			6,529
Tax withholding – stock compensation	—	—		—		—			349,277	(899		)	(899		)
Net income	—	—		—		69,800			—	—			69,800
Balance – June 30, 2018	458,214,377	$	458	$	2,676,352	$	(1,786,010	)	806,318	$	(5,155	)	$	885,645

See accompanying Notes to Unaudited Condensed Consolidated Financial Statements.

6

Denbury Resources Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

Note 1. Basis of Presentation

Organization and Nature of Operations

Denbury Resources Inc., a Delaware corporation, is an independent oil and natural gas company with operations focused in two key operating areas: the Gulf Coast and Rocky Mountain regions.  Our goal is to increase the value of our properties through a combination of exploitation, drilling and proven engineering extraction practices, with the most significant emphasis relating to CO₂ enhanced oil recovery operations.

Interim Financial Statements

The accompanying unaudited condensed consolidated financial statements of Denbury Resources Inc. and its subsidiaries have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”) and do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.  These financial statements and the notes thereto should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2017 (the “Form 10-K”).  Unless indicated otherwise or the context requires, the terms “we,” “our,” “us,” “Company” or “Denbury,” refer to Denbury Resources Inc. and its subsidiaries.

Accounting measurements at interim dates inherently involve greater reliance on estimates than at year end, and the results of operations for the interim periods shown in this report are not necessarily indicative of results to be expected for the year.  In management’s opinion, the accompanying unaudited condensed consolidated financial statements include all adjustments of a normal recurring nature necessary for a fair statement of our consolidated financial position as of June 30, 2018, our consolidated results of operations for the three and six months endedJune 30, 2018 and 2017, our consolidated cash flows for the six months ended June 30, 2018 and 2017, and our consolidated statement of changes in stockholders’ equity for the six months ended June 30, 2018.

Reclassifications

Certain prior period amounts have been reclassified to conform to the current year presentation. Such reclassifications had no impact on our reported net income, current assets, total assets, current liabilities, total liabilities or stockholders’ equity.

Cash, Cash Equivalents, and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash as reported within the Unaudited Condensed Consolidated Balance Sheets to “Cash, cash equivalents, and restricted cash at end of period” as reported within the Unaudited Condensed Consolidated Statements of Cash Flows:

In thousands	June 30, 2018		December 31, 2017
Cash and cash equivalents	$	116	$	58
Restricted cash included in Other assets	41,506		40,556
Total cash, cash equivalents, and restricted cash shown in the Unaudited Condensed Consolidated Statements of Cash Flows	$	41,622	$	40,614

Amounts included in restricted cash included in “Other assets” in the accompanying Unaudited Condensed Consolidated Balance Sheets represent escrow accounts that are legally restricted for certain of our asset retirement obligations.

Net Income per Common Share

Basic net income per common share is computed by dividing the net income attributable to common stockholders by the weighted average number of shares of common stock outstanding during the period.  Diluted net income per common share is calculated in the same manner, but includes the impact of potentially dilutive securities.  Potentially dilutive securities consist of nonvested restricted stock, nonvested performance-based equity awards, and shares into which our previously-outstanding convertible senior notes were convertible.

7

Denbury Resources Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

The following table sets forth the reconciliations of net income and weighted average shares used for purposes of calculating the basic and diluted net income per common share for the periods indicated:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
In thousands	2018		2017		2018		2017
Numerator
Net income – basic	$	30,222	$	14,399	$	69,800	$	35,929
Effect of potentially dilutive securities
Interest on convertible senior notes	130		—		539		—
Net income – diluted	$	30,352	$	14,399	$	70,339	$	35,929
Denominator
Weighted average common shares outstanding – basic	433,467		389,904		413,217		389,652
Effect of potentially dilutive securities
Restricted stock and performance-based equity awards	8,586		1,923		6,877		2,762
Convertible senior notes	15,112		—		34,372		—
Weighted average common shares outstanding – diluted	457,165		391,827		454,466		392,414

Basic weighted average common shares exclude shares of nonvested restricted stock. As these restricted shares vest, they will be included in the shares outstanding used to calculate basic net income per common share (although time-vesting restricted stock is issued and outstanding upon grant). For purposes of calculating diluted weighted average common shares during the three and six months endedJune 30, 2018 and 2017, the nonvested restricted stock and performance-based equity awards are included in the computation using the treasury stock method, with the deemed proceeds equal to the average unrecognized compensation during the period, and for the shares underlying the previously-outstanding convertible senior notes as if the convertible senior notes were converted at the beginning of the 2018 period. In April and May 2018, all outstanding convertible senior notes converted into shares of Denbury common stock, resulting in the issuance of 55.2 million shares of our common stock upon conversion. These shares have been included in basic weighted average common shares outstanding beginning on the date of conversion. See Note 4, Long-Term Debt, for further discussion.

The following securities could potentially dilute earnings per share in the future, but were excluded from the computation of diluted net income per share, as their effect would have been antidilutive:

	Three Months Ended		Six Months Ended
	June 30,		June 30,
In thousands	2018	2017	2018	2017
Stock appreciation rights	2,827	4,785	2,891	4,914
Restricted stock and performance-based equity awards	179	7,655	305	4,442

8

Denbury Resources Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

Recent Accounting Pronouncements

Recently Adopted

Cash Flows. In November 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-18, Statement of Cash Flows (“ASU 2016-18”). ASU 2016-18 addresses the diversity that exists in the classification and presentation of changes in restricted cash on the statement of cash flows, and requires that a statement of cash flows explain the change in total cash, cash equivalents, and amounts generally described as restricted cash or restricted cash equivalents. Therefore, entities will no longer present transfers between cash and cash equivalents and restricted cash and restricted cash equivalents in the statement of cash flows. Effective January 1, 2018, we adopted ASU 2016-18, which has been applied retrospectively for all comparative periods presented. Accordingly, restricted cash associated with our escrow accounts of $40.6 million and $39.3 million for the six month periods ended June 30, 2018 and 2017, respectively, have been included in “Cash, cash equivalents, and restricted cash at beginning of period” on our Unaudited Condensed Consolidated Statements of Cash Flows and $40.2 million included in “Cash, cash equivalents, and restricted cash at end of period” for the six-month period ended June 30, 2017. The adoption of ASU 2016-18 did not have an impact on our consolidated balance sheets or results of operations.

Revenue Recognition. In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”). ASU 2014-09 amends the guidance for revenue recognition to replace numerous, industry-specific requirements. The core principle of the ASU is that an entity should recognize revenue for the transfer of goods or services equal to the amount that it expects to be entitled to receive for those goods or services. The ASU implements a five-step process for customer contract revenue recognition that focuses on transfer of control, as opposed to transfer of risk and rewards. The amendment also requires enhanced disclosures regarding the nature, amount, timing and uncertainty of revenues and cash flows arising from contracts with customers. In March, April and May 2016, the FASB issued four additional ASUs which primarily clarified the implementation guidance on principal versus agent considerations, performance obligations and licensing, collectibility, presentation of sales taxes and other similar taxes collected from customers, and non-cash consideration. Effective January 1, 2018, we adopted ASU 2014-09 using the modified retrospective method. The adoption of ASU 2014-09 did not have an impact on our consolidated financial statements, but required enhanced footnote disclosures. See Note 2, Revenue Recognition, for additional information.

Not Yet Adopted

Leases. In February 2016, the FASB issued ASU 2016-02, Leases (“ASU 2016-02”). ASU 2016-02 amends the guidance for lease accounting to require lease assets and liabilities to be recognized on the balance sheet, along with additional disclosures regarding key leasing arrangements. The amendments in this ASU are effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years, and early adoption is permitted. Entities must adopt the standard using a modified retrospective transition and apply the guidance to the earliest comparative period presented, with certain practical expedients that entities may elect to apply. In January 2018, the FASB issued ASU 2018-01, Leases (Topic 842) – Land Easement Practical Expedient for Transition to Topic 842, which provides an optional practical expedient to existing or expired land easements that were not previously accounted for as leases under Topic 842, which permits a company to evaluate only new or modified land easements under the new guidance. We are currently evaluating our lease agreements and implementing a software system to summarize the key contract terms and financial information associated with each lease agreement, in order to assess the impact the adoption of ASU 2016-02 and ASU 2018-01 will have on our consolidated financial statements.

Note 2. Revenue Recognition

We record revenue in accordance with FASB Accounting Standards Codification (“ASC”) Topic 606, Revenue from Contracts with Customers, which we adopted on January 1, 2018, and applied to all existing contracts using the modified retrospective method. The core principle of FASB ASC Topic 606 is that an entity should recognize revenue for the transfer of goods or services equal to the amount of consideration that it expects to be entitled to receive for those goods or services. This principle is achieved through applying a five-step process for customer contract revenue recognition:

•Identify the contract or contracts with a customer – We derive the majority of our revenues from oil and natural gas sales contracts and CO₂ sales and transportation contracts. The contracts specify each party’s rights regarding the goods or services to be transferred and contain commercial substance as they impact our financial statements. A high percentage of our receivables balance is current, and we have not historically entered into contracts with counterparties that pose a credit risk without requiring adequate economic protection to ensure collection.

9

Denbury Resources Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

•Identify the performance obligations in the contract – Each of our revenue contracts specify a volume per day, or production from a lease designated in the contract (a distinct good), to be delivered at the delivery point over the term of the contract (the identified performance obligation). The customer takes delivery and physical possession of the product at the delivery point, which generally is also the point at which title transfers and the customer obtains the risks and rewards of ownership (the identified performance obligation is satisfied).

•Determine the transaction price – Typically, our oil and natural gas contracts define the price as a formula price based on the average market price, as specified on set dates each month, for the specific commodity during the month of delivery. Certain of our CO₂ contracts define the price as a fixed contractual price adjusted to an inflation index to reflect market pricing. Given the industry practice to invoice customers the month following the month of delivery and our high probability of collection of payment, no significant financing component is included in our contracts.

•Allocate the transaction price to the performance obligations in the contract – The majority of our revenue contracts are short-term, with terms of one year or less, to which we have applied the practical expedient permitted under the standard eliminating the requirement to disclose the transaction price allocated to remaining performance obligations. In limited instances, we have revenue contracts with terms greater than one year; however, the future delivery volumes are wholly unsatisfied as they represent separate performance obligations with variable consideration. We utilized the practical expedient which eliminates the requirement to disclose the transaction price allocated to remaining performance obligations if the variable consideration is allocated entirely to wholly unsatisfied performance obligations. As there is only one performance obligation associated with our contracts, no allocation of the transaction price is necessary.

•Recognize revenue when, or as, we satisfy a performance obligation – Once we have delivered the volume of commodity to the delivery point and the customer takes delivery and possession, we are entitled to payment and we invoice the customer for such delivered production. Payment under most oil and CO₂ contracts is made within a month following product delivery and for natural gas and NGL contracts is generally made within two months following delivery. Timing of revenue recognition may differ from the timing of invoicing to customers; however, as the right to consideration after delivery is unconditional based on only the passage of time before payment of the consideration is due, upon delivery we record a receivable in “Accrued production receivable” in our Unaudited Condensed Consolidated Balance Sheets, which was $163.7 million and $146.3 million as of June 30, 2018 and December 31, 2017, respectively.

Disaggregation of Revenue

The following table summarizes our revenues by product type for the three and six months endedJune 30, 2018 and 2017:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
In thousands	2018		2017		2018		2017
Oil sales	$	373,286	$	248,317	$	710,692	$	512,291
Natural gas sales	2,279		2,563		4,894		4,767
CO2 sales and transportation fees	6,715		6,555		14,267		11,943
Total revenues	$	382,280	$	257,435	$	729,853	$	529,001

Note 3. Assets Held for Sale

We began actively marketing for sale certain non-productive surface acreage in the Houston area in July 2017. As of June 30, 2018, the carrying value of the land held for sale was $33.0 million, which is included in “Other property and equipment” on our Unaudited Condensed Consolidated Balance Sheets.

10

Denbury Resources Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

Note 4. Long-Term Debt

The table below reflects long-term debt and capital lease obligations outstanding as of the dates indicated:

	June 30,			December 31,
In thousands	2018			2017
Senior Secured Bank Credit Agreement	$	415,000		$	475,000
9% Senior Secured Second Lien Notes due 2021	614,919			614,919
9¼% Senior Secured Second Lien Notes due 2022	455,668			381,568
3½% Convertible Senior Notes due 2024	—			84,650
6⅜% Senior Subordinated Notes due 2021	203,545			215,144
5½% Senior Subordinated Notes due 2022	314,662			408,882
4⅝% Senior Subordinated Notes due 2023	307,978			376,501
Pipeline financings	186,525			192,429
Capital lease obligations	15,906			26,298
Total debt principal balance	2,514,203			2,775,391
Future interest payable(1)	292,591			316,818
Debt issuance costs	(5,812		)	(7,935		)
Total debt, net of debt issuance costs	2,800,982			3,084,274
Less: current maturities of long-term debt(1)	(111,335		)	(105,188		)
Long-term debt and capital lease obligations	$	2,689,647		$	2,979,086

(1) Future interest payable represents most of the interest due over the terms of our 9% Senior Secured Second Lien Notes due 2021 (the “2021 Senior Secured Notes”), 9¼% Senior Secured Second Lien Notes due 2022 (the “2022 Senior Secured Notes”), and to a lesser extent our previously outstanding 3½% Convertible Senior Notes due 2024 (the “2024 Convertible Senior Notes”) and has been accounted for as debt in accordance with FASC 470-60, Troubled Debt Restructuring by Debtors. Our current maturities of long-term debt as of June 30, 2018 include $84.9 million of future interest payable related to the 2021 Senior Secured Notes and 2022 Senior Secured Notes that is due within the next twelve months. See January 2018 Note Exchanges below for further discussion.

The ultimate parent company in our corporate structure, Denbury Resources Inc. (“DRI”), is the sole issuer of all of our outstanding senior secured and senior subordinated notes. DRI has no independent assets or operations. Each of the subsidiary guarantors of such notes is 100% owned, directly or indirectly, by DRI, and the guarantees of the notes are full and unconditional and joint and several; any subsidiaries of DRI that are not subsidiary guarantors of such notes are minor subsidiaries.

Senior Secured Bank Credit Facility

In December 2014, we entered into an Amended and Restated Credit Agreement with JPMorgan Chase Bank, N.A., as administrative agent, and other lenders party thereto (as amended, the “Bank Credit Agreement”). The Bank Credit Agreement is a senior secured revolving credit facility with a maturity date of December 9, 2019 and semiannual borrowing base redeterminations in May and November of each year. As part of our spring 2018 semiannual borrowing base redetermination, the borrowing base and lender commitments for our Bank Credit Agreement were reaffirmed at $1.05 billion, with the next such redetermination being scheduled for November 2018. If our outstanding debt under the Bank Credit Agreement were to ever exceed the borrowing base, we would be required to repay the excess amount over a period not to exceed six months. The weighted average interest rate on borrowings outstanding under the Bank Credit Agreement was 4.7% as of June 30, 2018. We incur a commitment fee of 0.50% on the undrawn portion of the aggregate lender commitments under the Bank Credit Agreement.

At June 30, 2018, the Bank Credit Agreement contained certain financial performance covenants through the maturity of the facility, including the following:

• A consolidated senior secured debt to consolidated EBITDAX covenant, with such ratio not to exceed 2.5 to 1.0. Currently, only debt under our Bank Credit Agreement is considered consolidated senior secured debt for purposes of this ratio;

11

Denbury Resources Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

• A minimum permitted ratio of consolidated EBITDAX to consolidated interest charges of 1.25 to 1.0; and

• A requirement to maintain a current ratio of 1.0 to 1.0.

The above description of our Bank Credit Agreement is qualified by the express language and defined terms contained in the Bank Credit Agreement and the amendments thereto, each of which are filed as exhibits to our periodic reports filed with the SEC.

January 2018 Note Exchanges

During January 2018, we closed transactions to exchange a total of $174.3 million aggregate principal amount of our then existing senior subordinated notes for $74.1 million aggregate principal amount of new 2022 Senior Secured Notes and $59.4 million aggregate principal amount of new 5% Convertible Senior Notes due 2023 (the “2023 Convertible Senior Notes”), resulting in a net reduction in our debt principal from these exchanges of $40.8 million. The exchanged notes consisted of $11.6 million aggregate principal amount of our 6⅜% Senior Subordinated Notes due 2021, $94.2 million aggregate principal amount of our 5½% Senior Subordinated Notes due 2022 and $68.5 million aggregate principal amount of our 4⅝% Senior Subordinated Notes due 2023.

In accordance with FASC 470-60, the exchange was accounted for as a troubled debt restructuring due to the level of concession provided by our senior subordinated note holders. Under this guidance, future interest applicable to the new 2022 Senior Secured Notes and 2023 Convertible Senior Notes was recorded as debt up to the point that the principal and future interest of the new notes was equal to the principal amount of the extinguished notes, rather than recognizing a gain on extinguishment for this amount. In May 2018, the debt principal balance and future interest applicable to the 2023 Convertible Senior Notes were reclassified to “Paid-in capital in excess of par” and “Common stock” in our Unaudited Condensed Consolidated Balance Sheets following the conversion of the notes into shares of Denbury common stock (see Conversions of 2023 and 2024 Convertible Senior Notes below for further discussion). As of June 30, 2018, $22.1 million of future interest on the new 2022 Senior Secured Notes was recorded as debt, which will be reduced as semiannual interest payments are made, with the remaining $3.6 million of future interest to be recognized as interest expense over the term of the notes. Therefore, future interest expense reflected in our Unaudited Condensed Consolidated Statements of Operations on the new 2022 Senior Secured Notes will be significantly lower than the actual cash interest payments.

9¼% Senior Secured Second Lien Notes due 2022

In January 2018, we issued $74.1 million of 2022 Senior Secured Notes, which principal amount is in addition to the $381.6 million of 2022 Senior Secured Notes issued during December 2017. All $455.7 million of the 2022 Senior Secured Notes were issued in connection with exchanges with a limited number of holders of the Company’s existing senior subordinated notes in December 2017 and January 2018 (see January 2018 Note Exchanges above). The 2022 Senior Secured Notes bear interest at 9.25% per annum, with interest payable semiannually in arrears on March 31 and September 30 of each year, and mature on March 31, 2022.  We may redeem the 2022 Senior Secured Notes in whole or in part at our option beginning March 31, 2019, at a redemption price of 109.25% of the principal amount, and at declining redemption prices thereafter, as specified in the indenture governing the 2022 Senior Secured Notes.  Prior to March 31, 2019, we may at our option redeem up to an aggregate of 35% of the principal amount of the 2022 Senior Secured Notes at a price of 109.25% of par with the proceeds of certain equity offerings.  In addition, at any time prior to March 31, 2019, we may redeem the 2022 Senior Secured Notes in whole or in part at a price equal to 100% of the principal amount plus a “make-whole” premium and accrued and unpaid interest.  The 2022 Senior Secured Notes are not subject to any sinking fund requirements.

The 2022 Senior Secured Notes are guaranteed jointly and severally by our subsidiaries representing substantially all of our assets, operations and income and are secured by second-priority liens on substantially all of the assets that secure the Bank Credit Agreement, which second-priority liens are contractually subordinated to liens that secure our Bank Credit Agreement and any future additional priority lien debt.

Conversions of 2023 and 2024 Convertible Senior Notes

During the second quarter of 2018, holders of all $59.4 million aggregate principal amount outstanding of our 2023 Convertible Senior Notes and $84.7 million aggregate outstanding principal amount of our 2024 Convertible Senior Notes converted their notes into shares of Denbury common stock, at the rates specified in the indentures for these notes, resulting in the issuance of 55.2 million shares of our common stock upon conversion. The debt principal balances and future interest treated as debt applicable

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Notes to Unaudited Condensed Consolidated Financial Statements

to the 2023 Convertible Senior Notes and 2024 Convertible Senior Notes, totaling $162.1 million, were reclassified to “Paid-in capital in excess of par” and “Common stock” in our Unaudited Condensed Consolidated Balance Sheets upon the conversion of the notes into shares of Denbury common stock. As of April 18, 2018 and May 30, 2018, there were no remaining 2024 Convertible Senior Notes and 2023 Convertible Senior Notes outstanding, respectively.

Note 5. Commodity Derivative Contracts

We do not apply hedge accounting treatment to our oil and natural gas derivative contracts; therefore, the changes in the fair values of these instruments are recognized in income in the period of change.  These fair value changes, along with the settlements of expired contracts, are shown under “Commodity derivatives expense (income)” in our Unaudited Condensed Consolidated Statements of Operations.

Historically, we have entered into various oil and natural gas derivative contracts to provide an economic hedge of our exposure to commodity price risk associated with anticipated future oil and natural gas production and to provide more certainty to our future cash flows. We do not hold or issue derivative financial instruments for trading purposes. Generally, these contracts have consisted of various combinations of price floors, collars, three-way collars, fixed-price swaps, fixed-price swaps enhanced with a sold put, and basis swaps. The production that we hedge has varied from year to year depending on our levels of debt, financial strength and expectation of future commodity prices.

We manage and control market and counterparty credit risk through established internal control procedures that are reviewed on an ongoing basis.  We attempt to minimize credit risk exposure to counterparties through formal credit policies, monitoring procedures and diversification, and all of our commodity derivative contracts are with parties that are lenders under our Bank Credit Agreement (or affiliates of such lenders). As of June 30, 2018, all of our outstanding derivative contracts were subject to enforceable master netting arrangements whereby payables on those contracts can be offset against receivables from separate derivative contracts with the same counterparty. It is our policy to classify derivative assets and liabilities on a gross basis on our balance sheets, even if the contracts are subject to enforceable master netting arrangements.

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Notes to Unaudited Condensed Consolidated Financial Statements

The following table summarizes our commodity derivative contracts as of June 30, 2018, none of which are classified as hedging instruments in accordance with the FASC Derivatives and Hedging topic:

Months	Index Price	Volume (Barrels per day)	Contract Prices ($/Bbl)
			Range(1)				Weighted Average Price
							Swap		Sold Put		Floor		Ceiling
Oil Contracts:
2018 Fixed-Price Swaps
July – Dec	NYMEX	20,500	$	50.00	–	56.65	$	51.69	$	—	$	—	$	—
July – Dec	Argus LLS	5,000		60.10	–	60.25	60.18		—		—		—
2018 Three-Way Collars(2)
July – Dec	NYMEX	15,000	$	45.00	–	56.60	$	—	$	36.50	$	46.50	$	53.88
2019 Fixed-Price Swaps
Jan – June	NYMEX	3,500	$	59.00	–	59.10	$	59.05	$	—	$	—	$	—
2019 Three-Way Collars(2)
Jan – June	NYMEX	16,500	$	55.00	–	75.45	$	—	$	48.45	$	56.45	$	69.88
July – Dec	NYMEX	20,000		55.00	–	75.45	—		48.20		56.20		69.04
Jan – Dec	Argus LLS	3,000		62.00	–	78.90	—		54.00		62.00		78.50

(1) Ranges presented for fixed-price swaps represent the lowest and highest fixed prices of all open contracts for the period presented. For three-way collars, ranges represent the lowest floor price and highest ceiling price for all open contracts for the period presented.

(2) A three-way collar is a costless collar contract combined with a sold put feature (at a lower price) with the same counterparty. The value received for the sold put is used to enhance the contracted floor and ceiling price of the related collar. At the contract settlement date, (1) if the index price is higher than the ceiling price, we pay the counterparty the difference between the index price and ceiling price for the contracted volumes, (2) if the index price is between the floor and ceiling price, no settlements occur, (3) if the index price is lower than the floor price but at or above the sold put price, the counterparty pays us the difference between the index price and the floor price for the contracted volumes and (4) if the index price is lower than the sold put price, the counterparty pays us the difference between the floor price and the sold put price for the contracted volumes.

Note 6. Fair Value Measurements

The FASC Fair Value Measurement topic defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (often referred to as the “exit price”). We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market corroborated or generally unobservable. We primarily apply the income approach for recurring fair value measurements and endeavor to utilize the best available information. Accordingly, we utilize valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs. We are able to classify fair value balances based on the observability of those inputs. The FASC establishes a fair value hierarchy that prioritizes the inputs used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurement) and the lowest priority to unobservable inputs (Level 3 measurement). The three levels of the fair value hierarchy are as follows:

• Level 1 – Quoted prices in active markets for identical assets or liabilities as of the reporting date.

• Level 2 – Pricing inputs are other than quoted prices in active markets included in Level 1, which are either directly or indirectly observable as of the reported date. Level 2 includes those financial instruments that are valued using models or other valuation methodologies. Instruments in this category include non-exchange-traded oil derivatives that are based on NYMEX pricing and fixed-price swaps that are based on regional pricing other than NYMEX (e.g., Light Louisiana Sweet). Our costless collars and the sold put features of our three-way collars are valued using the Black-Scholes model, an industry standard option valuation model that takes into account inputs such as contractual prices for the underlying instruments, maturity, quoted forward prices for commodities, interest rates, volatility factors and credit worthiness, as well as other relevant economic measures. Substantially all of these assumptions are observable in the marketplace

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Notes to Unaudited Condensed Consolidated Financial Statements

throughout the full term of the instrument, can be derived from observable data or are supported by observable levels at which transactions are executed in the marketplace.

• Level 3 – Pricing inputs include significant inputs that are generally less observable. These inputs may be used with internally developed methodologies that result in management’s best estimate of fair value. As of June 30, 2018, instruments in this category include non-exchange-traded three-way collars that are based on regional pricing other than NYMEX (e.g., Light Louisiana Sweet). The valuation models utilized for costless collars and three-way collars are consistent with the methodologies described above; however, the implied volatilities utilized in the valuation of Level 3 instruments are developed using a benchmark, which is considered a significant unobservable input. An increase or decrease of 100 basis points in the implied volatility inputs utilized in our fair value measurement would result in a change of approximately $225 thousand in the fair value of these instruments as of June 30, 2018.

We adjust the valuations from the valuation model for nonperformance risk, using our estimate of the counterparty’s credit quality for asset positions and our credit quality for liability positions. We use multiple sources of third-party credit data in determining counterparty nonperformance risk, including credit default swaps.

The following table sets forth, by level within the fair value hierarchy, our financial assets and liabilities that were accounted for at fair value on a recurring basis as of the periods indicated:

	Fair Value Measurements Using:
In thousands	Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)			Total
June 30, 2018
Liabilities
Oil derivative contracts – current	$	—	$	(144,554	)	$	(700	)	$	(145,254	)
Oil derivative contracts – long-term	—		(10,236		)	(468		)	(10,704		)
Total Liabilities	$	—	$	(154,790	)	$	(1,168	)	$	(155,958	)
December 31, 2017
Liabilities
Oil derivative contracts – current	$	—	$	(99,061	)	$	—		$	(99,061	)
Total Liabilities	$	—	$	(99,061	)	$	—		$	(99,061	)

Since we do not apply hedge accounting for our commodity derivative contracts, any gains and losses on our assets and liabilities are included in “Commodity derivatives expense (income)” in the accompanying Unaudited Condensed Consolidated Statements of Operations.

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Denbury Resources Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

Level 3 Fair Value Measurements

The following table summarizes the changes in the fair value of our Level 3 assets and liabilities for the three and six months endedJune 30, 2018 and 2017:

	Three Months Ended					Six Months Ended
	June 30,					June 30,
In thousands	2018			2017		2018			2017
Fair value of Level 3 instruments, beginning of period	$	—		$	91	$	—		$	(526	)
Fair value gains (losses) on commodity derivatives	(1,168		)	8		(1,168		)	625
Fair value of Level 3 instruments, end of period	$	(1,168	)	$	99	$	(1,168	)	$	99
The amount of total gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets or liabilities still held at the reporting date	$	(1,168	)	$	8	$	(1,168	)	$	245

We utilize an income approach to value our Level 3 costless collars and three-way collars. We obtain and ensure the appropriateness of the significant inputs to the calculation, including contractual prices for the underlying instruments, maturity, forward prices for commodities, interest rates, volatility factors and credit worthiness, and the fair value estimate is prepared and reviewed on a quarterly basis. The following table details fair value inputs related to implied volatilities utilized in the valuation of our Level 3 oil derivative contracts:

	Fair Value at 6/30/2018 (in thousands)			Valuation Technique	Unobservable Input	Volatility Range
Oil derivative contracts	$	(1,168	)	Discounted cash flow / Black-Scholes	Volatility of Light Louisiana Sweet for settlement periods beginning after June 30, 2018	22.3% – 29.2%

Other Fair Value Measurements

The carrying value of our loans under our Bank Credit Agreement approximate fair value, as they are subject to short-term floating interest rates that approximate the rates available to us for those periods. We use a market approach to determine the fair value of our fixed-rate long-term debt using observable market data. The fair values of our senior secured second lien notes, convertible senior notes, and senior subordinated notes are based on quoted market prices, which are considered Level 1 measurements under the fair value hierarchy. The estimated fair value of the principal amount of our debt as of June 30, 2018 and December 31, 2017, excluding pipeline financing and capital lease obligations, was $2,299.1 million and $2,260.6 million, respectively. We have other financial instruments consisting primarily of cash, cash equivalents, short-term receivables and payables that approximate fair value due to the nature of the instrument and the relatively short maturities.

Note 7. Commitments and Contingencies

Litigation

We are involved in various lawsuits, claims and regulatory proceedings incidental to our businesses.  We are also subject to audits for various taxes (income, sales and use, and severance) in the various states in which we operate, and from time to time receive assessments for potential taxes that we may owe. While we currently believe that the ultimate outcome of these proceedings, individually and in the aggregate, will not have a material adverse effect on our financial position, results of operations or cash flows, litigation is subject to inherent uncertainties.  Although a single or multiple adverse rulings or settlements could possibly have a material adverse effect on our finances, we only accrue for losses from litigation and claims if we determine that a loss is probable and the amount can be reasonably estimated.

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Notes to Unaudited Condensed Consolidated Financial Statements

Riley Ridge Helium Supply Contract Claim

As part of our 2010 and 2011 acquisitions of the Riley Ridge Unit and associated gas processing facility that was under construction, the Company assumed a 20-year helium supply contract under which we agreed to supply the helium separated from the full well stream by operation of the gas processing facility to a third-party purchaser, APMTG Helium, LLC.  The helium supply contract provides for the delivery of a minimum contracted quantity of helium, subject to adjustment after startup of the Riley Ridge gas processing facility, with liquidated damages payable if specified quantities of helium are not supplied in accordance with the terms of the contract. The liquidated damages are specified in the contract at up to $8.0 million per contract year and are capped at an aggregate of $46.0 million over the term of the contract. As the gas processing facility has been shut-in since mid-2014, we have not been able to supply helium under the helium supply contract.  APMTG Helium, LLC filed a case in November 2014 in the Ninth Judicial District Court of Sublette County, Wyoming, claiming multiple years of liquidated damages for non-delivery of volumes of helium specified under the helium supply contract. The Company’s position is that our contractual obligations are excused by virtue of events that fall within the force majeure provisions in the helium supply contract. The evidentiary phase of the trial concluded on November 29, 2017. The parties submitted written closing briefs and rebuttal briefs to the District Court during February and April of 2018. We currently expect a ruling from the District Court to be made during 2018. The Company plans to continue to vigorously defend its position, but we are unable to predict at this time the outcome of this dispute.

Note 8. Subsequent Event

Employee Equity Award Grants

On July 16, 2018, the Compensation Committee of our Board of Directors granted customary long-term equity incentive awards covering 4,390,002 shares of restricted stock to certain employees under our 2004 Omnibus Stock and Incentive Plan. The closing price of Denbury’s common stock on July 16, 2018 was $4.64 per share. The awards generally vest one-third per year over a three-year period.

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Management’s Discussion and Analysis of Financial Condition and Results of Operations

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

The following discussion and analysis should be read in conjunction with our Unaudited Condensed Consolidated Financial Statements and Notes thereto included herein and our Consolidated Financial Statements and Notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2017 (the “Form 10-K”), along with Management’s Discussion and Analysis of Financial Condition and Results of Operations contained in the Form 10-K.  Any terms used but not defined herein have the same meaning given to them in the Form 10-K.  Our discussion and analysis includes forward-looking information that involves risks and uncertainties and should be read in conjunction with Risk Factors under Item 1A of the Form 10-K, along with Forward-Looking Information at the end of this section for information on the risks and uncertainties that could cause our actual results to be materially different than our forward-looking statements.

OVERVIEW

Denbury is an independent oil and natural gas company with operations focused in two key operating areas: the Gulf Coast and Rocky Mountain regions. Our goal is to increase the value of our properties through a combination of exploitation, drilling and proven engineering extraction practices, with the most significant emphasis relating to CO₂ enhanced oil recovery operations.

Oil Price Impact on Our Business.  Our financial results are significantly impacted by changes in oil prices, as 97% of our production is oil. Over the last year, NYMEX oil prices have gradually improved from around $50 per Bbl in August 2017, to around $70 per Bbl at the end of July 2018, which are considerably higher than those experienced in 2015 and 2016, when oil prices generally ranged between $40-$50 per Bbl. NYMEX oil prices averaged approximately $68 per Bbl in the second quarter of 2018 compared to approximately $48 per Bbl in the second quarter of 2017 and $63 per Bbl in the first quarter of 2018. Increases in oil prices impact all aspects of our business; most notably our cash flow from operations, revenues, and capital allocation and budgeting decisions. Our 2018 capital spending has been budgeted at approximately $300 million to $325 million, excluding capitalized interest and acquisitions, roughly a 30% increase over 2017 capital spending levels. Utilizing first half 2018 realized oil prices and futures oil prices for the remainder of 2018, we currently project a level of cash flow that would more than fully fund our development capital spending plans, with incremental cash flow currently expected to be utilized to reduce debt. At this capital spending level, we currently anticipate our 2018 production to average between 60,000 and 64,000 BOE/d.

Operating Highlights. We recognized net income of $30.2 million, or $0.07 per diluted common share, during the second quarter of 2018, compared to net income of $14.4 million, or $0.04 per diluted common share, during the second quarter of 2017. The primary drivers of our change in operating results between the comparative second quarters of 2018 and 2017 were the following:

• Oil and natural gas revenues in the second quarter of 2018 improved by $124.7 million, or 50%, principally driven by a 45% improvement in realized oil prices, along with a 4% increase in average daily production volumes. Our net realized oil price relative to NYMEX prices improved by $1.55 per Bbl from the prior-year period to $0.39 per Bbl above NYMEX.

• Commodity derivatives expense increased by $106.6 million ($96.2 million of expense in the current-year period compared to $10.4 million of income in the prior-year period). This increase in expense was the result of losses from noncash fair value adjustments between the periods of $63.6 million and a $43.0 million increase in payments on derivative settlements.

• Lease operating expenses increased $9.1 million (8%), or 4% on a per-BOE basis, primarily impacted by operating expenses related to our non-operated working interest in Salt Creek Field, which was acquired in late June 2017, as well as higher CO₂ expensedue to increases in oil prices to which CO₂ prices are tied, and an increase in power and fuel costs, partially offset by lower workover expenses during the current year.

• General and administrative expenses decreased $6.4 million, primarily as a result of lower employee-related costs due to a workforce reduction in August 2017.

• Interest expense, net, decreased on a GAAP basis by $7.9 million primarily due to debt exchange transactions completed during December 2017 and January 2018, whereby most of the future interest associated with the new notes was recorded as debt, as well as the conversion during the second quarter of 2018 of all convertible senior notes issued in December and January into shares of Denbury common stock. See Results of Operations – Interest and Financing Expenses for further discussion.

We generated $154.0 million of cash flow from operating activities in the second quarter of 2018, an increase of $101.1 million from the second quarter of 2017 levels. The increase in cash flow from operations was due primarily to higher oil and natural gas revenues of $124.7 million and favorable working capital changes of $32.1 million ($19.8 million of cash inflows during the

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Management’s Discussion and Analysis of Financial Condition and Results of Operations

second quarter of 2018 compared to $12.3 million of cash outflows during the second quarter of 2017), partially offset by an increase in derivative settlement payments of $43.0 million.

Recent Debt Reduction Transactions. We reduced our debt principal by $328.5 million between December 2017 and May 2018 through a series of exchange transactions and related debt conversions as follows:

• During December 2017, we reduced debt principal by $143.6 million through privately negotiated transactions, in which institutional holders exchanged $609.8 million aggregate principal amount of our subordinated debt for:

– $381.6 million aggregate principal amount of 9¼% Senior Secured Second Lien Notes due 2022 (the “2022 Senior Secured Notes”) and

– $84.7 million aggregate principal amount of 3½% Convertible Senior Notes due 2024 (the “2024 Convertible Senior Notes”)

• During January 2018, we reduced debt principal by $40.8 million through additional exchange transactions, in which institutional holders exchanged $174.3 million aggregate principal amount of our subordinated debt for:

– $74.1 million aggregate principal amount of 2022 Senior Secured Notes and

– $59.4 million aggregate principal amount of 5% Convertible Senior Notes due 2023 (the “2023 Convertible Senior Notes”)

• In April and May 2018, we reduced debt principal by $144.1 million when holders of all outstanding 2024 Convertible Senior Notes and 2023 Convertible Senior Notes, issued in the exchanges above, converted their notes into shares of Denbury common stock, at rates specified in the indentures for the notes, which resulted in the issuance of 55.2 million shares of our common stock upon conversion. As of April 18, 2018 and May 30, 2018, there were no remaining 2024 Convertible Senior Notes or 2023 Convertible Senior Notes outstanding, respectively. The conversion of these notes saves the Company annual cash interest payments of $5.9 million.

Sanctioning of Enhanced Oil Recovery Development at Cedar Creek Anticline. In June 2018, we announced the sanctioning of the CO₂ enhanced oil recovery development project at Cedar Creek Anticline. The capital outlay required to bring the initial phase of the project to first tertiary production is currently estimated at $250 million over the next four years, which includes $150 million for a 110-mile extension of the Greencore CO₂ pipeline from Bell Creek Field and $100 million for development in the Red River formation at East Lookout Butte and Cedar Hills South fields. First tertiary production is currently expected in late 2021 or early 2022.

Exploitation Drilling Update. Following the success of our first exploitation horizontal well in the Mission Canyon interval at Cedar Creek Anticline at the end of 2017, we successfully completed two additional Mission Canyon wells in the first half of 2018, one near the end of the first quarter and another early in the second quarter of 2018. These first three wells had a combined 30-day initial production rate of over 3,000 gross barrels of oil per day. Drilling in the Mission Canyon interval paused throughout the second quarter to comply with Bureau of Land Management and state wildlife stipulations, with the next well expected to be spud in late-August or early-September 2018. During the second quarter of 2018, we successfully completed our first well in the Perry Sand interval at Tinsley Field in Mississippi, with better than expected deliverability and an initial 30-day gross production rate (constrained by artificial lift equipment) of approximately 150 barrels of oil per day. For 2018, we have allocated $30 to $40 million of our 2018 capital budget to exploitation drilling across our company-wide portfolio of assets. We have seven additional Mission Canyon wells planned for the second half of 2018, and we plan to drill a well in the Powder River Basin at Hartzog Draw Field to test the prospectivity of deeper intervals on our acreage, which is held by Hartzog Draw unit production, as well as testing the Cotton Valley interval at Tinsley Field.

CAPITAL RESOURCES AND LIQUIDITY

Overview. Our primary sources of capital and liquidity are our cash flow from operations and availability of borrowing capacity under our senior secured bank credit facility. For the six months ended June 30, 2018, we generated cash flow from operations of $245.6 million, after giving effect to $14.0 million of cash outflows for working capital changes, which were impacted primarily by increasing revenues during 2018 due to rising oil prices.

As of June 30, 2018, we had $415.0 million drawn on our senior secured bank credit facility, compared to $475.0 million of borrowings outstanding as of December 31, 2017 and $450.0 million as of March 31, 2018. As of June 30, 2018, we therefore had $572.8 million of borrowing base availability, after consideration of $62.2 million of outstanding letters of credit.

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Management’s Discussion and Analysis of Financial Condition and Results of Operations

We have historically tried to limit our development capital spending to be roughly the same or less than our cash flow from operations, and we currently expect that 2018 cash flow from operations will well exceed our planned $300 million to $325 million of development capital expenditures for the year. We believe the $572.8 million of liquidity available under our bank credit facility at June 30, 2018 is sufficient to cover any excess working capital needs or any foreseeable cash flow shortfall between our cash flow from operations and capital spending. The Company may also enhance its available liquidity or raise funds through asset sales, joint ventures, or issuance of debt and/or equity. For example, the Company has been engaged in two asset sale processes. In mid-2017, we began to actively market for sale certain non-producing surface acreage in the Houston area. The acreage contains numerous parcels, and we currently anticipate that a portion of these sales will occur in 2018, with the remainder extending into 2019. Further, in February 2018, we initiated a sale process for our mature EOR properties located in Mississippi and Louisiana and Citronelle Field located in Alabama. In aggregate, these fields accounted for 12% of our second quarter 2018 production and approximately 7% of our 2017 year-end proved reserves. The success, timing and outcome of these processes cannot be predicted at this time, but their successful completion could provide funds to pay down debt or add liquidity for financial or operational uses.

We have reduced our outstanding debt principal by approximately $1.1 billion between December 31, 2014 and June 30, 2018, primarily through debt exchanges, opportunistic open market debt repurchases, and the conversion in the second quarter of 2018 of all of our outstanding convertible senior notes into common stock. The improvement in oil prices, our business and the market price of our debt securities has reduced our opportunity for additional exchange transactions, but we remain focused on continued efforts to improve the Company’s balance sheet, both in terms of overall debt reduction and extension of debt maturities. We also remain keenly focused on continuing to improve our overall leverage metrics. Our leverage metrics have improved considerably over the past year, due primarily to our cost reduction efforts, continued improvement in oil prices and our overall reduction in debt. In conjunction with our efforts to improve the Company’s balance sheet, we may have discussions with bondholders from time to time regarding potential debt reduction or maturity extension transactions of various types. Potential transactions could include purchases of our debt in the open market, debt exchange offers, cash tenders for our debt, possible debt reduction with proceeds of issuances of equity or debt, or use of proceeds from asset sales, joint ventures or other cash-generating activities for debt reduction.

Senior Secured Bank Credit Facility. In December 2014, we entered into an Amended and Restated Credit Agreement with JPMorgan Chase Bank, N.A., as administrative agent, and other lenders party thereto (as amended, the “Bank Credit Agreement”). As part of our spring 2018 semiannual borrowing base redetermination, the borrowing base and lender commitments for our Bank Credit Agreement were reaffirmed at $1.05 billion, with the next such redetermination scheduled for November 2018.

At June 30, 2018, the Bank Credit Agreement contained certain financial performance covenants through the maturity of the facility, including the following:

• A consolidated senior secured debt to consolidated EBITDAX covenant, with such ratio not to exceed 2.5 to 1.0. Currently, only debt under our Bank Credit Agreement is considered consolidated senior secured debt for purposes of this ratio;

• A minimum permitted ratio of consolidated EBITDAX to consolidated interest charges of 1.25 to 1.0; and

• A requirement to maintain a current ratio of 1.0 to 1.0.

Under these financial performance covenant calculations, as of June 30, 2018, our ratio of consolidated senior secured debt to consolidated EBITDAX was 0.75 to 1.0 (with a maximum permitted ratio of 2.5 to 1.0), our ratio of consolidated EBITDAX to consolidated interest charges was 3.04 to 1.0 (with a required ratio of not less than 1.25 to 1.0), and our current ratio was 2.98 to 1.0 (with a required ratio of not less than 1.0 to 1.0). Based upon our currently forecasted levels of production and costs, hedges in place as of August 6, 2018, and current oil commodity futures prices, we currently anticipate continuing to be in compliance with our financial performance covenants during the foreseeable future. Our bank credit facility matures in December 2019, and the Company is actively working with its bank group to complete in the near-term the extension of the facility.

The above description of our Bank Credit Agreement is qualified by the express language and defined terms contained in the Bank Credit Agreement and the amendments thereto, each of which are filed as exhibits to our periodic reports filed with the SEC.

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Management’s Discussion and Analysis of Financial Condition and Results of Operations

Recent Debt Reduction Transactions. Through a series of exchange transactions completed in December 2017 and January 2018 and related conversions of all of our convertible senior notes into equity in April and May 2018, we have reduced our outstanding debt principal of our notes by $328.5 million over the last 7 months. See Overview – Recent Debt Reduction Transactions for further discussion.

Capital Spending. We currently anticipate that our full-year 2018 capital budget, excluding capitalized interest and acquisitions, will be approximately $300 million to $325 million.  Capitalized interest is currently estimated at approximately $30 million for 2018. The 2018 capital budget, excluding capitalized interest and acquisitions, provides for approximate spending as follows:

• $155 million allocated for tertiary oil field expenditures;

• $95 million allocated for other areas, primarily non-tertiary oil field expenditures including exploitation;

• $20 million to be spent on CO₂ sources and pipelines; and

• $45 million for other capital items such as capitalized internal acquisition, exploration and development costs and pre-production tertiary startup costs.

Capital Expenditure Summary. The following table reflects incurred capital expenditures (including accrued capital) for the six months ended June 30,2018 and 2017:

	Six Months Ended
	June 30,
In thousands	2018		2017
Capital expenditures by project
Tertiary oil fields	$	64,086	$	64,768
Non-tertiary fields	32,739		32,772
Capitalized internal costs(1)	22,747		26,717
Oil and natural gas capital expenditures	119,572		124,257
CO2 pipelines, sources and other	9,648		528
Capital expenditures, before acquisitions and capitalized interest	129,220		124,785
Acquisitions of oil and natural gas properties	21		89,099
Capital expenditures, before capitalized interest	129,241		213,884
Capitalized interest	17,303		12,801
Capital expenditures, total	$	146,544	$	226,685

(1) Includes capitalized internal acquisition, exploration and development costs and pre-production tertiary startup costs.

For the six months ended June 30, 2018, our capital expenditures and property acquisitions were fully funded with $245.6 million of cash flows from operations.

Off-Balance Sheet Arrangements. Our off-balance sheet arrangements include operating leases for office space and various obligations for development and exploratory expenditures that arise from our normal capital expenditure program or from other transactions common to our industry, none of which are recorded on our balance sheet.  In addition, in order to recover our undeveloped proved reserves, we must also fund the associated future development costs estimated in our proved reserve reports.

Our commitments and obligations consist of those detailed as of December 31, 2017, in our Form 10-K under Management’s Discussion and Analysis of Financial Condition and Results of Operations – Capital Resources and Liquidity – Commitments and Obligations.

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RESULTS OF OPERATIONS

Our tertiary operations represent a significant portion of our overall operations and are our primary long-term strategic focus. The economics of a tertiary field and the related impact on our financial statements differ from a conventional oil and gas play, and we have outlined certain of these differences in our Form 10-K and other public disclosures. Our focus on these types of operations impacts certain trends in both current and long-term operating results. Please refer to Management’s Discussion and Analysis of Financial Condition and Results of Operations – Financial Overview of Tertiary Operations in our Form 10-K for further information regarding these matters.

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Operating Results Table

Certain of our operating results and statistics for the comparative three and six months endedJune 30, 2018 and 2017 are included in the following table:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
In thousands, except per-share and unit data	2018			2017			2018			2017
Operating results
Net income	$	30,222		$	14,399		$	69,800		$	35,929
Net income per common share – basic	0.07			0.04			0.17			0.09
Net income per common share – diluted	0.07			0.04			0.15			0.09
Net cash provided by operating activities	153,999			52,946			245,626			77,208
Average daily production volumes
Bbls/d	60,109			57,867			59,236			58,084
Mcf/d	11,314			11,444			11,607			10,616
BOE/d(1)	61,994			59,774			61,171			59,853
Operating revenues
Oil sales	$	373,286		$	248,317		$	710,692		$	512,291
Natural gas sales	2,279			2,563			4,894			4,767
Total oil and natural gas sales	$	375,565		$	250,880		$	715,586		$	517,058
Commodity derivative contracts(2)
Payment on settlements of commodity derivatives	$	(54,770	)	$	(11,767	)	$	(88,127	)	$	(38,707	)
Noncash fair value gains (losses) on commodity derivatives(3)	(41,429		)	22,140			(56,897		)	73,682
Commodity derivatives income (expense)	$	(96,199	)	$	10,373		$	(145,024	)	$	34,975
Unit prices – excluding impact of derivative settlements
Oil price per Bbl	$	68.24		$	47.16		$	66.29		$	48.73
Natural gas price per Mcf	2.21			2.46			2.33			2.48
Unit prices – including impact of derivative settlements(2)
Oil price per Bbl	$	58.23		$	44.92		$	58.07		$	45.05
Natural gas price per Mcf	2.21			2.46			2.33			2.48
Oil and natural gas operating expenses
Lease operating expenses	$	120,384		$	111,318		$	238,740		$	225,158
Marketing expenses, net of third-party purchases, and plant operating expenses	9,508			9,964			19,030			20,052
Production and ad valorem taxes	25,363			18,289			50,395			39,130
Oil and natural gas operating revenues and expenses per BOE
Oil and natural gas revenues	$	66.57		$	46.12		$	64.63		$	47.73
Lease operating expenses	21.34			20.46			21.56			20.78
Marketing expenses, net of third-party purchases, and plant operating expenses	1.69			1.83			1.72			1.85
Production and ad valorem taxes	4.50			3.36			4.55			3.61
CO2 sources – revenues and expenses
CO2 sales and transportation fees	$	6,715		$	6,555		$	14,267		$	11,943
CO2 discovery and operating expenses	(500		)	(513		)	(962		)	(1,106		)
CO2 revenue and expenses, net	$	6,215		$	6,042		$	13,305		$	10,837

(1) Barrel of oil equivalent using the ratio of one barrel of oil to six Mcf of natural gas (“BOE”).

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(2) See also Commodity Derivative Contracts below and Item 3. Quantitative and Qualitative Disclosures about Market Risk for information concerning our derivative transactions.

(3) Noncash fair value gains (losses) on commodity derivatives is a non-GAAP measure and is different from “Commodity derivatives expense (income)” in the Unaudited Condensed Consolidated Statements of Operations in that the noncash fair value gains (losses) on commodity derivatives represent only the net changes between periods of the fair market values of commodity derivative positions, and exclude the impact of settlements on commodity derivatives during the period, which were payments on settlements of $54.8 million and $88.1 million for the three and six months endedJune 30, 2018, respectively, compared to payments on settlements of $11.8 million and $38.7 million for the three and six months endedJune 30, 2017, respectively. We believe that noncash fair value gains (losses) on commodity derivatives is a useful supplemental disclosure to “Commodity derivatives expense (income)” in order to differentiate noncash fair market value adjustments from receipts or payments upon settlements on commodity derivatives during the period. This supplemental disclosure is widely used within the industry and by securities analysts, banks and credit rating agencies in calculating EBITDA and in adjusting net income (loss) to present those measures on a comparative basis across companies, as well as to assess compliance with certain debt covenants. Noncash fair value gains (losses) on commodity derivatives is not a measure of financial or operating performance under GAAP, nor should it be considered in isolation or as a substitute for “Commodity derivatives expense (income)” in the Unaudited Condensed Consolidated Statements of Operations.

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Production

Average daily production by area for each of the four quarters of 2017 and for the first and second quarters of 2018 is shown below:

	Average Daily Production (BOE/d)
	First Quarter	Second Quarter	Third Quarter	Fourth Quarter	First Quarter	Second Quarter
Operating Area	2017	2017	2017	2017	2018	2018
Tertiary oil production
Gulf Coast region
Delhi	4,991	4,965	4,619	4,906	4,169	4,391
Hastings	4,288	4,400	4,867	5,747	5,704	5,716
Heidelberg	4,730	4,996	4,927	4,751	4,445	4,330
Oyster Bayou	5,075	5,217	4,870	4,868	5,056	4,961
Tinsley	6,666	6,311	6,506	6,241	6,053	5,755
Other	14	10	19	7	57	142
Mature properties(1)	8,097	7,727	7,431	7,225	7,174	7,160
Total Gulf Coast region	33,861	33,626	33,239	33,745	32,658	32,455
Rocky Mountain region
Bell Creek	3,209	3,060	3,406	3,571	4,050	4,010
Salt Creek(2)	—	23	2,228	2,172	2,002	2,049
Total Rocky Mountain region	3,209	3,083	5,634	5,743	6,052	6,059
Total tertiary oil production	37,070	36,709	38,873	39,488	38,710	38,514
Non-tertiary oil and gas production
Gulf Coast region
Mississippi	1,342	1,004	867	721	875	901
Texas	4,333	5,002	4,024	4,617	4,386	4,947
Other	495	460	515	483	445	400
Total Gulf Coast region	6,170	6,466	5,406	5,821	5,706	6,248
Rocky Mountain region
Cedar Creek Anticline	15,067	15,124	14,535	14,302	14,437	15,742
Other	1,626	1,475	1,514	1,533	1,485	1,490
Total Rocky Mountain region	16,693	16,599	16,049	15,835	15,922	17,232
Total non-tertiary production	22,863	23,065	21,455	21,656	21,628	23,480
Total production	59,933	59,774	60,328	61,144	60,338	61,994

(1) Mature properties include Brookhaven, Cranfield, Eucutta, Little Creek, Lockhart Crossing, Mallalieu, Martinville, McComb and Soso fields.

(2) Represents production related to the acquisition of a 23% non-operated working interest in Salt Creek Field in Wyoming, which closed on June 30, 2017.

Total production during the second quarter of 2018 averaged 61,994 BOE/d, including 38,514 Bbls/d, or 62%, from tertiary properties and 23,480 BOE/d from non-tertiary properties. This total production level represents an increase of 1,656 BOE/d (3%) compared to first quarter of 2018 production levels, and an increase of 2,220 BOE/d (4%) compared to second quarter of 2017 production levels. Our production during the three and six months endedJune 30, 2018 was 97% oil, consistent with oil production during the prior-year period.

Oil production from our tertiary operations during the second quarter of 2018 was essentially unchanged when comparing the first and second quarters of 2018 and increased1,805 Bbls/d (5%) compared to the same period in 2017. The year-over-year

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increase in production was due principally to higher production from the redevelopment project in mid-2017 at Hastings Field, production response from continued expansion at Bell Creek Field, and a full quarter of production from the mid-2017 acquisition at Salt Creek Field.

Production from our non-tertiary operations averaged 23,480 BOE/d during the second quarter of 2018, an increase of 1,852 BOE/d (9%) compared to the first quarter of 2018 and an increase of 415 BOE/d (2%) compared to the second quarter of 2017. The sequential quarter increase was primarily due to production increases at Cedar Creek Anticline, which benefited from the strong performance of two new Mission Canyon wells completed during March and April of 2018, and in part to a well recompletion at Webster Field, as well as higher production in the Gulf Coast region in the most recent quarter given weather downtime which impacted production in the first quarter of 2018.

We currently expect third quarter production to be below second quarter levels, mainly due to the second quarter pause in drilling new Mission Canyon wells, unplanned downtime during the third quarter at Cedar Creek Anticline and Oyster Bayou, and the seasonal effect of summer temperatures on a few of our Gulf Coast floods. We expect production to rebound in the fourth quarter, with several new Mission Canyon wells coming online, continued response from our EOR development capital projects, and cooler Gulf Coast temperatures, with our full-year 2018 production still expected to average between 60,000 and 64,000 BOE/d.

Oil and Natural Gas Revenues

Our oil and natural gas revenues during the three and six months endedJune 30, 2018increased50% and 38%, respectively, compared to these revenues for the same periods in 2017.  The changes in our oil and natural gas revenues are due to changes in production quantities and commodity prices (excluding any impact of our commodity derivative contracts), as reflected in the following table:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018 vs. 2017				2018 vs. 2017
In thousands	Increase in Revenues		Percentage Increase in Revenues		Increase in Revenues		Percentage Increase in Revenues
Change in oil and natural gas revenues due to:
Increase in production	$	9,317	4	%	$	11,382	2	%
Increase in commodity prices	115,368		46	%	187,146		36	%
Total increase in oil and natural gas revenues	$	124,685	50	%	$	198,528	38	%

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Excluding any impact of our commodity derivative contracts, our net realized commodity prices and NYMEX differentials were as follows during the first quarters, second quarters, and six months ended June 30, 2018 and 2017:

	Three Months Ended						Three Months Ended						Six Months Ended
	March 31,						June 30,						June 30,
	2018			2017			2018			2017			2018			2017
Average net realized prices
Oil price per Bbl	$	64.25		$	50.31		$	68.24		$	47.16		$	66.29		$	48.73
Natural gas price per Mcf	2.44			2.50			2.21			2.46			2.33			2.48
Price per BOE	62.61			49.35			66.57			46.12			64.63			47.73
Average NYMEX differentials
Gulf Coast region
Oil per Bbl	$	2.05		$	(1.42	)	$	1.12		$	(0.78	)	$	1.59		$	(1.09	)
Natural gas per Mcf	0.10			0.09			0.04			(0.03		)	0.07			0.03
Rocky Mountain region
Oil per Bbl	$	(0.06	)	$	(2.09	)	$	(0.84	)	$	(1.96	)	$	(0.39	)	$	(2.02	)
Natural gas per Mcf	(0.92		)	(0.97		)	(1.25		)	(1.42		)	(1.08		)	(1.19		)
Total Company
Oil per Bbl	$	1.29		$	(1.64	)	$	0.39		$	(1.16	)	$	0.87		$	(1.39	)
Natural gas per Mcf	(0.40		)	(0.57		)	(0.62		)	(0.69		)	(0.51		)	(0.63		)

Prices received in a regional market fluctuate frequently and can differ from NYMEX pricing due to a variety of reasons, including supply and/or demand factors, crude oil quality, and location differentials. Our corporate-wide oil differential during the second quarter of 2018 was $0.39 per Bbl above NYMEX prices, compared to an average differential of $1.16 per Bbl below NYMEX in the second quarter of 2017 and $1.29 per Bbl above NYMEX in the first quarter of 2018. Additional information about our oil differentials in the Gulf Coast and Rocky Mountain regions are discussed in further detail below.

Our average NYMEX oil differential in the Gulf Coast region was a positive$1.12 per Bbl and a negative $0.78 per Bbl during the second quarters of 2018 and 2017, respectively, and a positive$2.05 per Bbl during the first quarter of 2018. These differentials are impacted significantly by the changes in prices received for our crude oil sold under LLS index prices relative to the change in NYMEX prices, as well as various other price adjustments such as those noted above.  The average LLS-to-NYMEX differential (on a trade-month basis) averaged a positive $3.32 per Bbl in the second quarter of 2018, an increase from the positive $1.95 per Bbl in the second quarter of 2017 and a decrease from the positive $4.12 per Bbl in the first quarter of 2018. During the second quarter of 2018, we sold approximately 60% of our crude oil at prices based on, or partially tied to, the LLS index price, and the balance at prices based on various other indexes tied to NYMEX prices, primarily in the Rocky Mountain region.

NYMEX oil differentials in the Rocky Mountain region averaged $0.84 per Bbl and $1.96 per Bbl below NYMEX during the second quarters of 2018 and 2017, respectively, and $0.06 per Bbl below NYMEX during the first quarter of 2018. Differentials in the Rocky Mountain region can fluctuate significantly on a month-to-month basis due to weather, refinery or transportation issues, and Canadian and U.S. crude oil price index volatility.

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Commodity Derivative Contracts

The following table summarizes the impact our crude oil derivative contracts had on our operating results for the three and six months endedJune 30, 2018 and 2017:

	Three Months Ended						Six months ended
	June 30,						June 30,
In thousands	2018			2017			2018			2017
Payment on settlements of commodity derivatives	$	(54,770	)	$	(11,767	)	$	(88,127	)	$	(38,707	)
Noncash fair value gains (losses) on commodity derivatives(1)	(41,429		)	22,140			(56,897		)	73,682
Total income (expense)	$	(96,199	)	$	10,373		$	(145,024	)	$	34,975

(1) Noncash fair value gains (losses) on commodity derivatives is a non-GAAP measure. See Operating Results Table above for a discussion of the reconciliation between noncash fair value gains (losses) on commodity derivatives to “Commodity derivatives expense (income)” in the Unaudited Condensed Consolidated Statements of Operations.

In order to provide a level of price protection to a portion of our oil production, we have hedged a portion of our estimated oil production through 2019 using both NYMEX and LLS fixed-price swaps and three-way collars. See Note 5, Commodity Derivative Contracts, to the Consolidated Financial Statements for additional details of our outstanding commodity derivative contracts as of June 30, 2018, and Item 3, Quantitative and Qualitative Disclosures about Market Risk below for additional discussion. In addition, the following table summarizes our commodity derivative contracts as of August 6, 2018:

		2H 2018	1H 2019	2H 2019
WTI NYMEX	Volumes Hedged (Bbls/d)	15,500	—	—
Fixed-Price Swaps	Swap Price(1)	$50.13	—	—
WTI NYMEX	Volumes Hedged (Bbls/d)	5,000	3,500	—
Fixed-Price Swaps	Swap Price(1)	$56.54	$59.05	—
Argus LLS	Volumes Hedged (Bbls/d)	5,000	—	—
Fixed-Price Swaps	Swap Price(1)	$60.18	—	—
WTI NYMEX	Volumes Hedged (Bbls/d)	15,000	8,500	12,000
3-Way Collars	Sold Put Price / Floor / Ceiling Price(1)(2)	$36.50 / $46.50 / $53.88	$47.00 / $55.00 / $66.71	$47.00 / $55.00 / $66.23
WTI NYMEX	Volumes Hedged (Bbls/d)	—	8,000	8,000
3-Way Collars	Sold Put Price / Floor / Ceiling Price(1)(2)	—	$50.00 / $58.00 / $73.26	$50.00 / $58.00 / $73.26
WTI NYMEX	Volumes Hedged (Bbls/d)	—	2,000	2,000
3-Way Collars	Sold Put Price / Floor / Ceiling Price(1)(2)	—	$52.00 / $60.00 / $70.44	$52.00 / $60.00 / $70.44
Argus LLS	Volumes Hedged (Bbls/d)	—	3,000	3,000
3-Way Collars	Sold Put Price / Floor / Ceiling Price(1)(2)	—	$54.00 / $62.00 / $78.50	$54.00 / $62.00 / $78.50
Argus LLS	Volumes Hedged (Bbls/d)	—	1,500	1,500
3-Way Collars	Sold Put Price / Floor / Ceiling Price(1)(2)	—	$56.00 / $64.00 / $78.83	$56.00 / $64.00 / $78.83
	Total Volumes Hedged (Bbls/d)	40,500	26,500	26,500

(1) Averages are volume weighted.

(2) If oil prices were to average less than the sold put price, receipts on settlement would be limited to the difference between the floor price and the sold put price.

Based on current contracts in place and NYMEX oil futures prices as of August 6, 2018, which averaged approximately $68 per Bbl, we currently expect that we would make cash payments of approximately $110 million during the remainder of 2018 upon settlement of these contracts, the amount of which is dependent upon fluctuations in future NYMEX oil prices in relation to the prices of our fixed-price swaps which have weighted average prices of $51.69 per Bbl and $60.18 per Bbl for NYMEX and LLS hedges, respectively, and weighted average ceiling prices of our three-way collars of $53.88 per Bbl. Changes in commodity prices, expiration of contracts, and new commodity contracts entered into cause fluctuations in the estimated fair value of our oil derivative contracts. Because we do not utilize hedge accounting for our commodity derivative contracts, the period-to-period changes in the fair value of these contracts, as outlined above, are recognized in our statements of operations.

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Production Expenses

Lease Operating Expenses

	Three Months Ended				Six Months Ended
	June 30,				June 30,
In thousands, except per-BOE data	2018		2017		2018		2017
Total lease operating expenses	$	120,384	$	111,318	$	238,740	$	225,158
Total lease operating expenses per BOE	$	21.34	$	20.46	$	21.56	$	20.78

Total lease operating expensesincreased$9.1 million(8%) and$13.6 million(6%) on an absolute-dollar basis, or$0.88(4%) and$0.78(4%) on a per-BOE basis, during thethree and six months endedJune 30, 2018, respectively,compared to levels in the same periods in 2017. Our lease operating expenses during the current-year periods were primarily impacted by operating expenses related to our non-operated working interest in Salt Creek Field, which was acquired in June 2017 and has a higher per-BOE operating cost than our corporate average. Lease operating expenses were also impacted by higher CO₂ expense due to increases in oil prices and an increase in power and fuel costs, partially offset by lower workover expense during the current year periods. Sequentially, lease operating expenses slightly increased on an absolute-dollar basis, but decreased $0.46 (2%) on a per-BOE basis between the first quarter of 2018 and the second quarter of 2018 due to higher production volumes.

Currently, our CO₂ expense comprises approximately 20% of our typical tertiary lease operating expenses, and for the CO₂ reserves we already own, consists of CO₂ production expenses, and for the CO₂ reserves we do not own, consists of our purchase of CO₂ from royalty and working interest owners and industrial sources. During the second quarters of 2018 and 2017, approximately 49% and 58%, respectively, of the CO₂ utilized in our CO₂ floods consisted of CO₂ owned and produced by us (our net revenue interest). The price we pay others for CO₂ varies by source and is generally indexed to oil prices. When combining the production cost of the CO₂ we own with what we pay third parties for CO₂, our average cost of CO₂ was approximately $0.44 per Mcf during the second quarter of 2018, including taxes paid on CO₂ production but excluding depletion, depreciation and amortization of capital expended at our CO₂ source fields and industrial sources. This per-Mcf CO₂ cost during the second quarter of 2018 was higher than the $0.38 per Mcf comparable measure during the second quarter of 2017 and $0.39 per Mcf comparable measure during the first quarter of 2018 due to an increase in the price of CO₂ due to higher oil prices and a higher utilization of industrial-sourced CO₂, which has a higher average cost than our naturally-occurring CO₂ sources.

Marketing and Plant Operating Expenses

Marketing and plant operating expenses primarily consist of amounts incurred relating to the marketing, processing, and transportation of oil and natural gas production. Marketing and plant operating expenses were $11.5 million and $13.9 million for the three months ended June 30,2018 and 2017, respectively, and $24.0 million and $27.9 million for the six months ended June 30, 2018 and 2017, respectively.

Taxes Other Than Income

Taxes other than income includes production, ad valorem and franchise taxes. Taxes other than income increased $7.1 million (35%) during the three months ended June 30,2018 compared to the same prior-year period and increased $11.9 million (28%) during the six months ended June 30, 2018 compared to the same period in 2017 due primarily to an increase in production taxes resulting from higher oil and natural gas revenues.

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General and Administrative Expenses (“G&A”)

	Three Months Ended						Six Months Ended
	June 30,						June 30,
In thousands, except per-BOE data and employees	2018			2017			2018			2017
Gross cash compensation and administrative costs	$	57,484		$	63,302		$	114,522		$	129,749
Gross stock-based compensation	3,227			6,044			6,529			11,432
Operator labor and overhead recovery charges	(32,187		)	(32,577		)	(63,324		)	(64,108		)
Capitalized exploration and development costs	(9,112		)	(10,980		)	(18,083		)	(23,043		)
Net G&A expense	$	19,412		$	25,789		$	39,644		$	54,030
G&A per BOE
Net administrative costs	$	2.99		$	3.85		$	3.11		$	4.16
Net stock-based compensation	0.45			0.89			0.47			0.83
Net G&A expenses	$	3.44		$	4.74		$	3.58		$	4.99
Employees as of June 30	880			1,073

Our gross G&A expenses on an absolute-dollar basis decreased$8.6 million (12%) and $20.1 million (14%) during the three and six months endedJune 30, 2018, respectively, compared to the same periods in 2017, primarily due to lower employee-related costs such as salaries and long-term incentives during the 2018 period following the August 2017 involuntary workforce reduction.

Net G&A expense on a per-BOE basis decreased27% and 28% during the three and six months endedJune 30, 2018, respectively, compared to levels in the same periods in 2017 due to the items previously mentioned impacting gross G&A during the 2018 periods, partially offset by lower capitalized exploration and development costs.

Our well operating agreements allow us, when we are the operator, to charge a well with a specified overhead rate during the drilling phase and also to charge a monthly fixed overhead rate for each producing well.  In addition, salaries associated with field personnel are initially recorded as gross cash compensation and administrative costs and subsequently reclassified to lease operating expenses or capitalized to field development costs to the extent those individuals are dedicated to oil and gas production, exploration, and development activities.

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Interest and Financing Expenses

	Three Months Ended						Six Months Ended
	June 30,						June 30,
In thousands, except per-BOE data and interest rates	2018			2017			2018			2017
Cash interest(1)	$	45,542		$	43,352		$	92,145		$	85,852
Less: interest on Senior Secured Notes and Convertible Senior Notes not reflected as interest for financial reporting purposes(1)	(21,614		)	(12,588		)	(43,663		)	(25,157		)
Noncash interest expense	1,131			1,444			2,268			3,345
Less: capitalized interest	(8,851		)	(8,147		)	(17,303		)	(12,801		)
Interest expense, net	$	16,208		$	24,061		$	33,447		$	51,239
Interest expense, net per BOE	$	2.87		$	4.42		$	3.02		$	4.73
Average debt principal outstanding	$	2,550,450		$	2,869,319		$	2,646,049		$	2,844,215
Average interest rate(2)	7.1		%	6.0		%	7.0		%	6.0		%

(1) Cash interest is presented on an accrual basis and includes the portion of interest on our 9% Senior Secured Second Lien Notes due 2021 (“2021 Senior Secured Notes”), 2022 Senior Secured Notes, 2023 Convertible Senior Notes and 2024 Convertible Senior Notes versus the GAAP financial statement presentation in which interest on these notes is accounted for as debt and not reflected as interest for financial reporting purposes in accordance with Financial Accounting Standards Board Codification 470-60, Troubled Debt Restructuring by Debtors. See below for further discussion.

(2) Includes commitment fees but excludes debt issue costs.

As reflected in the table above, net interest expense during the three and six months endedJune 30, 2018decreased$7.9 million (33%) and $17.8 million (35%), respectively, when compared to the prior-year periods due primarily to the series of exchange transactions completed during 2017 and 2018 (see Overview – Recent Debt Reduction Transactions). Despite an overall reduction in the debt principal balance as a result of the exchange transactions, our average interest rate increased between the second quarter of 2017 and 2018 as the combined interest payments on the senior secured and convertible senior notes was higher than the previously issued senior subordinated notes. As more fully described in Note 4, Long-Term Debt, to the Unaudited Condensed Consolidated Financial Statements, the exchange transactions were accounted for in accordance with Financial Accounting Standards Board Codification 470-60, Troubled Debt Restructuring by Debtors, whereby most of the future interest associated with the 2021 Senior Secured Notes, 2022 Senior Secured Notes, 2023 Convertible Senior Notes and 2024 Convertible Senior Notes was recorded as debt as of the transaction date, which will be reduced as semiannual interest payments are made. During the second quarter of 2018, the debt principal balance and future interest applicable to the 2024 Convertible Senior Notes and 2023 Convertible Senior Notes, respectively, were reclassified to “Paid-in capital in excess of par” and “Common stock” in our Unaudited Condensed Consolidated Balance Sheets upon the conversion of those notes into shares of Denbury common stock (see Overview – Recent Debt Reduction Transactions). The conversion of these notes saves the Company annual cash interest payments of $5.9 million. Future interest payable related to our senior secured second lien notes recorded as debt totaled $292.6 million as of June 30, 2018. Therefore, interest expense reflected in our Unaudited Condensed Consolidated Financial Statements will be significantly lower than the actual cash interest payment. Capitalized interest during the six months ended June 30, 2018increased$4.5 million (35%) compared to the same period in 2017, primarily due to an increase in the number of projects that qualify for interest capitalization.

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Denbury Resources Inc.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

Depletion, Depreciation, and Amortization (“DD&A”)

	Three Months Ended				Six Months Ended
	June 30,				June 30,
In thousands, except per-BOE data	2018		2017		2018		2017
Oil and natural gas properties	$	33,358	$	29,165	$	65,229	$	56,983
CO2 properties, pipelines, plants and other property and equipment	19,586		21,987		40,166		45,364
Total DD&A	$	52,944	$	51,152	$	105,395	$	102,347
DD&A per BOE
Oil and natural gas properties	$	5.91	$	5.36	$	5.89	$	5.26
CO2 properties, pipelines, plants and other property and equipment	3.47		4.04		3.63		4.19
Total DD&A cost per BOE	$	9.38	$	9.40	$	9.52	$	9.45

The increase in our oil and natural gas properties depletion during the three and six months endedJune 30, 2018 when compared to the same periods in 2017 was primarily due to an increase in depletable costs associated with our reserves base, partially offset by an increase in proved oil and natural gas reserve quantities. Total DD&A per BOE was also impacted by increases in production volumes during 2018 when compared to production in the 2017 periods.

Income Taxes

	Three Months Ended						Six Months Ended
	June 30,						June 30,
In thousands, except per-BOE amounts and tax rates	2018			2017			2018			2017
Current income tax benefit	$	(754	)	$	(5,965	)	$	(1,786	)	$	(19,900	)
Deferred income tax expense	10,185			16,238			25,237			51,147
Total income tax expense	$	9,431		$	10,273		$	23,451		$	31,247
Average income tax expense per BOE	$	1.68		$	1.89		$	2.12		$	2.88
Effective tax rate	23.8		%	41.6		%	25.1		%	46.5		%
Total net deferred tax liability	$	231,761		$	345,025

We evaluate our estimated annual effective income tax rate based on current and forecasted business results and enacted tax laws on a quarterly basis and apply this tax rate to our ordinary income or loss to calculate our estimated tax liability or benefit. Our income taxes are based on an estimated statutory rate of approximately 25% and 38% in 2018 and 2017, respectively, due to a reduction of the federal income tax rate from 35% to 21% as enacted by the Tax Cut and Jobs Act in December 2017. Our effective tax rate for the three months ended June 30, 2017 was higher than our estimated statutory rate, primarily due to the impact of alternative minimum tax credit usage during that quarter, and our effective tax rate for the six months ended June 30, 2017 differed from our estimated statutory rate primarily due to the impact of a tax shortfall on a stock-based compensation deduction (tax deduction less than book expense recognized) of $3.8 million.

The current income tax benefits for the three and six months ended June 30, 2018 and 2017, represent the estimated receivable resulting from alternative minimum tax credits.

As of June 30, 2018, we had an estimated $51.5 million of enhanced oil recovery credits to carry forward related to our tertiary operations, $21.6 million of research and development credits, and $10.1 million of alternative minimum tax credits (net of $10.2 million related to the estimated credits to be applied to our 2018 tax return), which under the Tax Cut and Jobs Act, will be fully refundable by 2021.  The enhanced oil recovery credits and research and development credits do not begin to expire until 2024 and 2031, respectively.

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Denbury Resources Inc.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

Per-BOE Data

The following table summarizes our cash flow and results of operations on a per-BOE basis for the comparative periods.  Each of the significant individual components is discussed above.

	Three Months Ended						Six Months Ended
	June 30,						June 30,
Per-BOE data	2018			2017			2018			2017
Oil and natural gas revenues	$	66.57		$	46.12		$	64.63		$	47.73
Payment on settlements of commodity derivatives	(9.71		)	(2.16		)	(7.96		)	(3.57		)
Lease operating expenses	(21.34		)	(20.46		)	(21.56		)	(20.78		)
Production and ad valorem taxes	(4.50		)	(3.36		)	(4.55		)	(3.61		)
Marketing expenses, net of third-party purchases, and plant operating expenses	(1.69		)	(1.83		)	(1.72		)	(1.85		)
Production netback	29.33			18.31			28.84			17.92
CO2 sales, net of operating and exploration expenses	1.10			1.12			1.20			1.00
General and administrative expenses	(3.44		)	(4.74		)	(3.58		)	(4.99		)
Interest expense, net	(2.87		)	(4.42		)	(3.02		)	(4.73		)
Other	(0.33		)	1.72			0.01			2.53
Changes in assets and liabilities relating to operations	3.51			(2.26		)	(1.27		)	(4.60		)
Cash flows from operations	27.30			9.73			22.18			7.13
DD&A	(9.38		)	(9.40		)	(9.52		)	(9.45		)
Deferred income taxes	(1.81		)	(2.99		)	(2.28		)	(4.72		)
Noncash fair value gains (losses) on commodity derivatives(1)	(7.34		)	4.07			(5.14		)	6.80
Other noncash items	(3.41		)	1.24			1.06			3.56
Net income	$	5.36		$	2.65		$	6.30		$	3.32

(1) Noncash fair value gains (losses) on commodity derivatives is a non-GAAP measure. See Operating Results Table above for a discussion of the reconciliation between noncash fair value gains (losses) on commodity derivatives to “Commodity derivatives expense (income)” in the Unaudited Condensed Consolidated Statements of Operations.

CRITICAL ACCOUNTING POLICIES

For additional discussion of our critical accounting policies, see Management’s Discussion and Analysis of Financial Condition and Results of Operations in our Form 10-K. Any new accounting policies or updates to existing accounting policies as a result of new accounting pronouncements have been included in the notes to the Company’s Unaudited Condensed Consolidated Financial Statements contained in this Quarterly Report on Form 10-Q.

FORWARD-LOOKING INFORMATION

The data and/or statements contained in this Quarterly Report on Form 10-Q that are not historical facts, including, but not limited to, statements found in the section Management’s Discussion and Analysis of Financial Condition and Results of Operations, are forward-looking statements, as that term is defined in Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), that involve a number of risks and uncertainties.  Such forward-looking statements may be or may concern, among other things, financial forecasts, future hydrocarbon prices and volatility, the sustainability of current oil prices, the degree and length of any price recovery for oil, current or future liquidity sources or their adequacy to support our anticipated future activities, our ability to further reduce our debt levels, possible future write-downs of oil and natural gas reserves, together with assumptions based on current and projected oil and gas prices and oilfield costs, current or future expectations or estimations of our cash flows or the impact of changes in commodity prices on cash flows, availability of capital, borrowing capacity, availability of advantageous commodity derivative contracts or the predicted cash flow benefits therefrom, forecasted capital expenditures,

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Denbury Resources Inc.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

drilling activity or methods, including the timing and location thereof, the nature of any future asset sales or the timing or proceeds thereof, estimated timing of commencement of CO₂ flooding of particular fields or areas, including CCA, or the availability of capital for CCA pipeline construction, or its ultimate cost or date of completion, timing of CO₂ injections and initial production responses in tertiary flooding projects, development activities, finding costs, anticipated future cost savings, capital budgets, interpretation or prediction of formation details, production rates and volumes or forecasts thereof, hydrocarbon reserve quantities and values, CO₂ reserves and supply and their availability, potential reserves, barrels or percentages of recoverable original oil in place, potential increases in worldwide tariffs or other trade restrictions, the likelihood, timing and impact of increased interest rates, the impact of regulatory rulings or changes, anticipated outcomes of pending litigation, prospective legislation affecting the oil and gas industry, environmental regulations, mark-to-market values, competition, long-term forecasts of production, rates of return, estimated costs, changes in costs, future capital expenditures and overall economics, worldwide economic conditions and other variables surrounding our estimated original oil in place, operations and future plans.  Such forward-looking statements generally are accompanied by words such as “plan,” “estimate,” “expect,” “predict,” “forecast,” “to our knowledge,” “anticipate,” “projected,” “preliminary,” “should,” “assume,” “believe,” “may” or other words that convey, or are intended to convey, the uncertainty of future events or outcomes.  Such forward-looking information is based upon management’s current plans, expectations, estimates, and assumptions and is subject to a number of risks and uncertainties that could significantly and adversely affect current plans, anticipated actions, the timing of such actions and our financial condition and results of operations.  As a consequence, actual results may differ materially from expectations, estimates or assumptions expressed in or implied by any forward-looking statements made by us or on our behalf.  Among the factors that could cause actual results to differ materially are fluctuations in worldwide oil prices or in U.S. oil prices and consequently in the prices received or demand for our oil and natural gas; decisions as to production levels and/or pricing by OPEC or production levels by U.S. shale producers in future periods; levels of future capital expenditures; effects of our indebtedness; success of our risk management techniques; accuracy of our cost estimates; availability or terms of credit in the commercial banking or other debt markets; fluctuations in the prices of goods and services; the uncertainty of drilling results and reserve estimates; operating hazards and remediation costs; disruption of operations and damages from well incidents, hurricanes, tropical storms, forest fires, or other natural occurrences; acquisition risks; requirements for capital or its availability; conditions in the worldwide financial, trade and credit markets; general economic conditions; competition; government regulations, including changes in tax or environmental laws or regulations; and unexpected delays, as well as the risks and uncertainties inherent in oil and gas drilling and production activities or that are otherwise discussed in this quarterly report, including, without limitation, the portions referenced above, and the uncertainties set forth from time to time in our other public reports, filings and public statements including, without limitation, the Company’s most recent Form 10-K.

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Denbury Resources Inc.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

Debt and Interest Rate Sensitivity

We finance some of our acquisitions and other expenditures with fixed and variable rate debt.  These debt agreements expose us to market risk related to changes in interest rates. As of June 30, 2018, we had $415.0 million of debt outstanding on our senior secured bank credit facility. At this level of variable-rate debt, an increase or decrease of 10% in interest rates would have an immaterial effect on our interest expense. None of our existing debt has any triggers or covenants regarding our debt ratings with rating agencies, although under the NEJD financing lease, in light of credit downgrades in February 2016, we were required to provide a $41.3 million letter of credit to the lessor, which we provided on March 4, 2016. The letter of credit may be drawn upon in the event we fail to make a payment due under the pipeline financing lease agreement or upon other specified defaults set out in the pipeline financing lease agreement (filed as Exhibit 99.1 to the Form 8-K filed with the SEC on June 5, 2008). The fair values of our senior secured second lien notes and senior subordinated notes are based on quoted market prices.  The following table presents the principal and fair values of our outstanding debt as of June 30, 2018.

In thousands	2019		2021		2022		2023		Total		Fair Value
Variable rate debt:
Senior Secured Bank Credit Facility (weighted average interest rate of 4.7% at June 30, 2018)	$	415,000	$	—	$	—	$	—	$	415,000	$	415,000
Fixed rate debt:
9% Senior Secured Second Lien Notes due 2021	—		614,919		—		—		614,919		650,092
9¼% Senior Secured Second Lien Notes due 2022	—		—		455,668		—		455,668		481,003
6⅜% Senior Subordinated Notes due 2021	—		203,545		—		—		203,545		192,350
5½% Senior Subordinated Notes due 2022	—		—		314,662		—		314,662		291,062
4⅝% Senior Subordinated Notes due 2023	—		—		—		307,978		307,978		269,573

See Note 4, Long-Term Debt, to the Unaudited Condensed Consolidated Financial Statements for details regarding our long-term debt.

Commodity Derivative Contracts

We enter into oil derivative contracts to provide an economic hedge of our exposure to commodity price risk associated with anticipated future oil production and to provide more certainty to our future cash flows.  We do not hold or issue derivative financial instruments for trading purposes.  Generally, these contracts have consisted of various combinations of price floors, collars, three-way collars, fixed-price swaps, fixed-price swaps enhanced with a sold put, and basis swaps.  The production that we hedge has varied from year to year depending on our levels of debt, financial strength, and expectation of future commodity prices.  In order to provide a level of price protection to a portion of our oil production, we have hedged a portion of our estimated oil production through 2019 using both NYMEX and LLS fixed-price swaps and three-way collars. Depending on market conditions, we may continue to add to our existing 2019 hedges. See also Note 5, Commodity Derivative Contracts, and Note 6, Fair Value Measurements, to the Unaudited Condensed Consolidated Financial Statements for additional information regarding our commodity derivative contracts.

All of the mark-to-market valuations used for our commodity derivatives are provided by external sources.  We manage and control market and counterparty credit risk through established internal control procedures that are reviewed on an ongoing basis.  We attempt to minimize credit risk exposure to counterparties through formal credit policies, monitoring procedures and diversification.  All of our commodity derivative contracts are with parties that are lenders under our senior secured bank credit facility (or affiliates of such lenders).  We have included an estimate of nonperformance risk in the fair value measurement of our commodity derivative contracts, which we have measured for nonperformance risk based upon credit default swaps or credit spreads.

For accounting purposes, we do not apply hedge accounting treatment to our commodity derivative contracts.  This means that any changes in the fair value of these commodity derivative contracts will be charged to earnings instead of charging the effective portion to other comprehensive income and the ineffective portion to earnings.

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Denbury Resources Inc.

At June 30, 2018, our commodity derivative contracts were recorded at their fair value, which was a net liability of $156.0 million, a $41.5 million increase from the $114.5 million net liability recorded at March 31, 2018, and a $56.9 million increase from the $99.1 millionnet liability recorded at December 31, 2017.  These changes are primarily related to the expiration of commodity derivative contracts during the three and six months endedJune 30, 2018, new commodity derivative contracts entered into during 2018 for future periods, and to the changes in oil futures prices between December 31, 2017 and June 30, 2018.

Commodity Derivative Sensitivity Analysis

Based on NYMEX and LLS crude oil futures prices as of June 30, 2018, and assuming both a 10% increase and decrease thereon, we would expect to make payments on our crude oil derivative contracts as shown in the following table:

	Receipt / (Payment)
In thousands	Crude Oil Derivative Contracts
Based on:
Futures prices as of June 30, 2018	$	(140,111	)
10% increase in prices	(218,417		)
10% decrease in prices	(80,045		)

Our commodity derivative contracts are used as an economic hedge of our exposure to commodity price risk associated with anticipated future production.  As a result, changes in receipts or payments of our commodity derivative contracts due to changes in commodity prices as reflected in the above table would be mostly offset by a corresponding increase or decrease in the cash receipts on sales of our oil production to which those commodity derivative contracts relate.

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Denbury Resources Inc.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures.As of the end of the period covered by this report, an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Exchange Act) was performed under the supervision and with the participation of management, including our Chief Executive Officer and Chief Financial Officer.  Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of June 30, 2018, to ensure that information that is required to be disclosed in the reports the Company files and submits under the Securities Exchange Act of 1934 is recorded, that it is processed, summarized and reported within the time periods specified in the SEC’s rules and forms; and that information that is required to be disclosed under the Exchange Act is accumulated and communicated to management, including our Chief Executive Officer and our Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosures.

Evaluation of Changes in Internal Control over Financial Reporting. Under the supervision and with the participation of our management, including our Chief Executive Officer and our Chief Financial Officer, we have determined that, during the second quarter of fiscal 2018, there were no changes in our internal control over financial reporting that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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Denbury Resources Inc.

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

We are involved in various lawsuits, claims and regulatory proceedings incidental to our businesses. While we currently believe that the ultimate outcome of these proceedings, individually and in the aggregate, will not have a material adverse effect on our business or finances, litigation is subject to inherent uncertainties. Although a single or multiple adverse rulings or settlements could possibly have a material adverse effect on our business or finances, we only accrue for losses from litigation and claims if we determine that a loss is probable and the amount can be reasonably estimated.

Riley Ridge Helium Supply Contract Claim

As part of our 2010 and 2011 acquisitions of the Riley Ridge Unit and associated gas processing facility that was under construction, the Company assumed a 20-year helium supply contract under which we agreed to supply the helium separated from the full well stream by operation of the gas processing facility to a third-party purchaser, APMTG Helium, LLC. The helium supply contract provides for the delivery of a minimum contracted quantity of helium, subject to adjustment after startup of the Riley Ridge gas processing facility, with liquidated damages payable if specified quantities of helium are not supplied in accordance with the terms of the contract. The liquidated damages are specified in the contract at up to $8.0 million per contract year and are capped at an aggregate of $46.0 million over the term of the contract. As the gas processing facility has been shut-in since mid-2014, we have not been able to supply helium under the helium supply contract. APMTG Helium, LLC filed a case in November 2014 in the Ninth Judicial District Court of Sublette County, Wyoming, claiming multiple years of liquidated damages for non-delivery of volumes of helium specified under the helium supply contract. The Company’s position is that our contractual obligations are excused by virtue of events that fall within the force majeure provisions in the helium supply contract. The evidentiary phase of the trial concluded on November 29, 2017. The parties submitted written closing briefs and rebuttal briefs to the District Court during February and April of 2018. We currently expect a ruling from the District Court to be made during 2018. The Company plans to continue to vigorously defend its position, but we are unable to predict at this time the outcome of this dispute.

Environmental Protection Agency Matter Concerning Citronelle and Other Fields

The Company has entered into a series of tolling agreements (effective through October 31, 2018) with the Environmental Protection Agency (“EPA”), and has been in discussions with the agency over the past several years regarding the EPA’s contention that it has causes of action under the Clean Water Act (“CWA”) related to releases (principally between 2008 and 2013) of oil and produced water containing small amounts of oil in the Citronelle Field in southern Alabama and several fields in Mississippi. The EPA has taken the position that these releases were in violation of the CWA. Discussions are focused upon actions taken or to be taken by Denbury, including enhancements to the Company’s mechanical integrity program designed to minimize the occurrence and impact of any future releases in these fields.

Based upon recent discussions with the EPA, the Company currently anticipates that in the next several months it will reach agreement with the EPA as to a consent decree regarding the EPA’s claims, which consent decree will likely provide for a monetary fine as a civil penalty. The Company anticipates that any civil penalty to which it would agree would not be material to the Company’s business or financial condition.

Item 1A. Risk Factors

Information with respect to the Company’s risk factors has been incorporated by reference to Item 1A of the Form 10-K. There have been no material changes to the risk factors contained in the Form 10-K since its filing.

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Denbury Resources Inc.

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

Issuer Purchases of Equity Securities

The following table summarizes purchases of our common stock during the second quarter of 2018:

Month	Total Number of Shares Purchased(1)	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs (in millions)(2)
April 2018	1,101	$	3.04	—	$	210.1
May 2018	9,494	3.80		—	210.1
June 2018	7,856	3.97		—	210.1
Total	18,451			—

(1) Shares purchased during the second quarter of 2018 were made in connection with the surrender of shares by our employees to satisfy their tax withholding requirements related to the vesting of restricted and performance shares.

(2) In October 2011, we commenced a common share repurchase program, which has been approved for up to an aggregate of $1.162 billion of Denbury common shares by the Company’s Board of Directors. This program has effectively been suspended and we do not anticipate repurchasing shares of our common stock in the near future. The program has no pre-established ending date and may be suspended or discontinued at any time. We are not obligated to repurchase any dollar amount or specific number of shares of our common stock under the program.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

None.

Item 5. Other Information

None.

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Denbury Resources Inc.

Item 6. Exhibits

Exhibit No.	Exhibit
10(a)*	Form of Restricted Share Award to officers pursuant to the 2004 Omnibus Stock and Incentive Plan for Denbury Resources Inc.
10(b)*	Form of Restricted Share Award to non-employee directors pursuant to the 2004 Omnibus Stock and Incentive Plan for Denbury Resources Inc.
31(a)*	Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31(b)*	Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32*	Certification of Chief Executive Officer and Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101*	Interactive Data Files.

* Included herewith.

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Denbury Resources Inc.

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.

	DENBURY RESOURCES INC.
August 8, 2018	/s/ Mark C. Allen
	Mark C. Allen Executive Vice President and Chief Financial Officer
August 8, 2018	/s/ Alan Rhoades
	Alan Rhoades Vice President and Chief Accounting Officer

41

EX-10.A

	
		
		
		Exhibit
	
	

EX-10.B

Exhibit 10(b)

___________ SharesDate of Grant: May 23, 2018

RESTRICTED STOCK AWARD

CLIFF VESTING AWARD

2004 OMNIBUS STOCK AND INCENTIVE PLAN

FOR DENBURY RESOURCES INC.

THIS RESTRICTED STOCK AWARD(this “Award”) is made effective on May 23, 2018 (the “Date of Grant”) by Denbury Resources Inc. (the “Company”) in favor of ___________________ (“Holder”), a non-employee member of the Board of Directors (the “Board”) of the Company.

WHEREAS, the Company desires to grant to Holder certain shares of Restricted Stock under, in accordance with, and for the purposes set forth in, the Company’s Amended and Restated 2004 Omnibus Stock and Incentive Plan (the “Plan”);

WHEREAS, in accordance with the provisions of the Plan, Restricted Stock will be issued by the Company in Holder’s name and be issued and outstanding for all purposes (except as provided below or in the Plan) but held by the Company (together with the stock power set forth below) until such time as such Restricted Stock becomes vested by reason of the lapse of the applicable restrictions, after which time the Company shall make delivery of the Vested Shares to Holder; and

WHEREAS, the Company and Holder understand and agree that this Award is in all respects subject to the terms, definitions and provisions of the Plan, all of which are incorporated herein by reference, except to the extent otherwise expressly provided in this Award.

NOW THEREFORE, in consideration of the mutual covenants hereinafter set forth and for other good and valuable consideration, the parties agree as follows:

1.Restricted Stock Award. The Company hereby grants to Holder an aggregate of _________shares of Restricted Stock (“Award Restricted Stock”) on the terms and conditions set forth in the Plan and supplemented in this Award, including, without limitation, the restrictions more specifically set forth in Section 2 herein.

2.Vesting of Award Restricted Stock. The restrictions on the Award Restricted Stock shall lapse (Award Restricted Stock with respect to which restrictions have lapsed being herein referred to as “Vested Shares”) and such Award Restricted Stock shall become non-forfeitable and 100% vested on the occurrence (if any) of the earliest of the dates set forth in (a) through (d) below:

(a) the 1^st Anniversary of the Date of Grant;

(b) the date of Holder’s death or Disability;

(c) the date of a Change of Control; and

(d) the date of a Post-Separation Change of Control.

1

For purposes of this Award, the term “Post-Separation Change of Control” means a Change of Control with an effective date following Holder’s Separation, but where such Separation resulted from the Commencement of a Change of Control prior to Holder’s Separation. For all purposes of this Award, the term “Commencement of the Change of Control” means the date on which any material action, including without limitation through a written offer, open-market bid, corporate action, proxy solicitation or otherwise, is taken by a “person” (as defined in Section 13(d) or Section 14(d)(2) of the Exchange Act), or a “group” (as defined in Section 13(d)(3) of the Exchange Act), or their affiliates, to commence efforts that, within 12 months after the date of such material action, leads to a Change of Control involving such person, group, or their affiliates.

3.Restrictions – Forfeiture of Award Restricted Stock. The Award Restricted Stock is subject to restrictions, including that all rights of Holder to any shares of Restricted Stock which have not become Vested Shares shall automatically, and without notice, terminate and shall be permanently forfeited on the date of Holder’s Separation. Notwithstanding the foregoing, if there is an applicable Post-Separation Change of Control, the previously forfeited Award Restricted Stock (and any corresponding Dividend Equivalent) shall be reinstated and become vested and, for all purposes of this Award, Holder will be deemed to have Separated on the day after such Post-Separation Change of Control.

4.Withholding. There will be no tax withholding with respect to this Award.

5.Rights of Holder and Delivery of Vested Shares. As holder of the Award Restricted Stock, Holder shall have voting rights related to such shares of Stock to the same extent as an owner of Stock. However, in lieu of the right to receive regular cash or stock dividends (Dividends) relative to such Award Restricted Stock, during the restricted period, Holder is entitled to a Dividend Equivalent whenever the Company pays a Dividend on the shares of Stock underlying the Award Restricted Stock, in each case in accordance with, and subject to, the terms of the Plan and this Award. The amount of the Dividend Equivalent shall be shares, cash, or other property equal to, in the case of (i) cash or shares, the product of (a) the per-share amount of the Dividend paid and (b) the number of Award Restricted Stock held on the record date related to the Dividend being paid on the underlying Stock represented by such Award Restricted Stock; or (ii) other property, the amount determined by the Administrator. Pursuant to the terms of the Plan, the Company will retain custody of all Dividend Equivalents (which are subject to the same restrictions, terms, and conditions as the related Award Restricted Stock) until the conclusion of the restricted period. If a share of Award Restricted Stock is forfeited, any such related Dividend Equivalents also shall be forfeited.

The Administrator shall deliver the Vested Shares and Dividend Equivalent amount to Holder as soon as reasonably possible following vesting.

6.No Transfers Permitted. The rights under this Award are not transferable by Holder other than as set forth in the Plan.

7.No Right to Continued Board Service.Neither the Plan nor this Award, nor any terms contained therein or herein, shall confer upon Holder any right to continue to serve as a Director, nor shall they constitute a commitment of any kind with respect to the duration of Holder’s service as a Director.

8.Governing Law. Without limitation, this Award shall be construed and enforced in accordance with, and be governed by, the laws of Delaware.

9.Binding Effect. This Award shall inure to the benefit of and be binding upon the heirs, executors, administrators, and permitted successors and assigns of the parties hereto.

2

10.Severability. If any provision of this Award is declared or found to be illegal, unenforceable or void, in whole or in part, the remainder of this Award will not be affected by such declaration or finding and each such provision not so affected will be enforced to the fullest extent permitted by law.

11.Committee Authority. This Award shall be administered by the Committee, which shall adopt rules and regulations for carrying out the purposes of this Award and, without limitation, may delegate all of what, in its sole discretion, it determines to be ministerial duties to the Administrator; provided, that; the determinations under, and the interpretations of, any provision of this Award by the Committee shall, in all cases, be in its sole discretion, and shall be final and conclusive.

12.Compliance with Securities Laws. Notwithstanding any provision of this Award to the contrary, the issuance of Stock will be subject to compliance with all applicable requirements of federal, state, or foreign law with respect to such securities and with the requirements of any stock exchange or market system upon which the Stock may then be listed. No Stock will be issued hereunder if such issuance would constitute a violation of any applicable federal, state, or foreign securities laws or other laws or regulations or the requirements of any stock exchange or market system upon which the Stock may then be listed. In addition, Stock will not be issued hereunder unless (a) a registration statement under the Securities Act is at the time of issuance in effect with respect to the shares issued or (b) in the opinion of legal counsel of the Company, the shares issued may be issued in accordance with the terms of an applicable exemption from the registration requirements of the Securities Act. HOLDER IS CAUTIONED THAT DELIVERY OF STOCK UPON THE VESTING OF AWARD RESTRICTED STOCK GRANTED PURSUANT TO THIS AWARD MAY NOT OCCUR UNLESS THE FOREGOING CONDITIONS ARE SATISFIED. The inability of the Company to obtain from any regulatory body having jurisdiction the authority, if any, deemed by the Company’s legal counsel to be necessary to the lawful issuance and sale of any shares of Stock subject to this Award will relieve the Company of any liability in respect of the failure to issue such shares as to which such requisite authority has not been obtained. As a condition to any issuance hereunder, the Company may require Holder to satisfy any qualifications that may be necessary or appropriate to evidence compliance with any applicable law or regulation and to make any representation or warranty with respect to such compliance as may be requested by the Company. From time to time, the Board and appropriate officers of the Company are authorized to take the actions necessary and appropriate to file required documents with governmental authorities, stock exchanges, and other appropriate persons to make shares of Stock available for issuance.

13.Section 409A of the Code. It is the intention of the Committee that this Award is exempt from the Nonqualified Deferred Compensation Rules as a short-term deferral (within the meaning of such rules), and, as such, that this Award will be operated and construed accordingly. Neither this Section 13 nor any other provision of this Award or the Plan is or contains a representation to Holder regarding the tax consequences of the grant, vesting, settlement, or sale of this Award (or the Stock underlying this Award), and should not be interpreted as such.

14.    Plan is Controlling. In the event of a conflict between the terms of the Plan and the terms of this Award, the terms of the Plan are controlling; provided, that, in the event the terms of this Award provide greater specificity as to certain aspects of this Award which are also covered by the Plan, such terms and specificity shall not constitute a conflict with the terms of the Plan.

[Signature page to follow]

3

IN WITNESS WHEREOF, the Company has caused this Award to be executed on its behalf by its duly authorized representatives on the Date of Grant.

	DENBURY RESOURCES INC.
By:
	Chris Kendall,
	President and Chief Executive Officer
By:
	Mark Allen,
	Executive Vice President and
	Chief Financial Officer

Assignment Separate from Certificate

FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto Denbury Resources Inc. the _________ Award Restricted Stock subject to this Award, standing in the undersigned’s name on the books of said Denbury Resources Inc., and does hereby irrevocably constitute and appoint the corporate secretary of Denbury Resources Inc. as his or her attorney to transfer the said stock on the books of Denbury Resources Inc. with full power of substitution in the premises.

Dated
	Holder’s Signature

4

ACKNOWLEDGMENT

The undersigned hereby acknowledges (i) receipt of this Award, (ii) the opportunity to review the Plan, (iii) the opportunity to discuss this Award with a representative of the Company, and the undersigned’s personal advisors, to the extent the undersigned deems necessary or appropriate, (iv) the understanding of the terms and provisions of this Award and the Plan, and (v) the understanding that, by the undersigned’s signature below, the undersigned is agreeing to be bound by all of the terms and provisions of this Award and the Plan.

Without limitation, the undersigned agrees to accept as binding, conclusive and final all decisions or interpretations (including, without limitation, all interpretations of the meaning of the provisions of the Plan, or this Award, or both) of the Committee or the Administrator regarding any questions arising under the Plan, or this Award, or both.

Effective as of the Date of Grant.

Holder’s Signature

5

EX-31.A

Exhibit 31(a)

CERTIFICATION UNDER SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Chris Kendall, certify that:

1. I have reviewed this report on Form 10-Q of Denbury 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 officers 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 (the registrant’s fourth fiscal quarter in the case of an annual report) 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 officers 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.

August 8, 2018	/s/ Chris Kendall
	Chris Kendall
	President and Chief Executive Officer

EX-31.B

Exhibit 31(b)

CERTIFICATION UNDER SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Mark C. Allen, certify that:

1. I have reviewed this report on Form 10-Q of Denbury 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 officers 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 (the registrant’s fourth fiscal quarter in the case of an annual report) 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 officers 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.

August 8, 2018	/s/ Mark Allen
	Mark C. Allen
	Executive Vice President, Chief Financial Officer, Treasurer, and Assistant Secretary

EX-32

Exhibit 32

Certification of Chief Executive Officer and Chief Financial Officer

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the accompanying Quarterly Report on Form 10-Q for the quarter ended June 30, 2018 (the Report) of Denbury Resources Inc. (Denbury) as filed with the Securities and Exchange Commission, each of the undersigned, in his capacity as an officer of Denbury, hereby certifies pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to his knowledge:

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

2. The Information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Denbury.

Dated:	August 8, 2018	/s/ Chris Kendall
		Chris Kendall
		President and Chief Executive Officer
Dated:	August 8, 2018	/s/ Mark C. Allen
		Mark C. Allen
		Executive Vice President, Chief Financial Officer, Treasurer, and Assistant Secretary

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Jul. 31, 2018
Document And Company Information [Abstract]
Document Type	10-Q
Document Period End Date	Jun. 30, 2018
Amendment Flag	false
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Trading Symbol	DNR
Current Fiscal Year End Date	--12-31
Entity Central Index Key	0000945764
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Registrant Name	Denbury Resources Inc.
Entity Common Stock, Shares Outstanding		460,637,322

XML

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents		$ 116	$ 58
Accrued production receivable		163,719	146,334
Trade and other receivables, net		44,848	45,193
Other current assets		15,554	10,670
Total current assets		224,237	202,255
Oil and natural gas properties (using full cost accounting)
Proved properties		10,902,665	10,775,792
Unevaluated properties		965,553	951,397
CO2 properties		1,192,731	1,191,058
Pipelines and plants		2,293,884	2,286,047
Other property and equipment		311,240	339,218
Less accumulated depletion, depreciation, amortization and impairment		(11,455,046)	(11,376,646)
Net property and equipment		4,211,027	4,166,866
Other assets		98,971	102,178
Total assets		4,534,235	4,471,299
Current liabilities
Accounts payable and accrued liabilities		195,143	177,220
Oil and gas production payable		72,087	76,588
Derivative liabilities		145,254	99,061
Current maturities of long-term debt (including future interest payable of $84,932 and $75,347, respectively - see Note 4)	[1]	111,335	105,188
Total current liabilities		523,819	458,057
Long-term liabilities
Long-term debt, net of current portion (including future interest payable of $207,659 and $241,472, respectively - see Note 4)		2,689,647	2,979,086
Asset retirement obligations		170,797	165,756
Derivative liabilities		10,704	0
Deferred tax liabilities, net		231,761	198,099
Other liabilities		21,862	22,136
Total long-term liabilities		3,124,771	3,365,077
Commitments and contingencies (Note 7)
Stockholders' equity
Preferred stock, $.001 par value, 25,000,000 shares authorized, none issued and outstanding		0	0
Common stock, $.001 par value, 600,000,000 shares authorized; 458,214,377 and 402,549,346 shares issued, respectively		458	403
Paid-in capital in excess of par		2,676,352	2,507,828
Accumulated deficit		(1,786,010)	(1,855,810)
Treasury stock, at cost, 806,318 and 457,041 shares, respectively		(5,155)	(4,256)
Total stockholders' equity		885,645	648,165
Total liabilities and stockholders' equity		$ 4,534,235	$ 4,471,299

[1] Future interest payable represents most of the interest due over the terms of our 9% Senior Secured Second Lien Notes due 2021 (the “2021 Senior Secured Notes”), 9¼% Senior Secured Second Lien Notes due 2022 (the “2022 Senior Secured Notes”), and to a lesser extent our previously outstanding 3½% Convertible Senior Notes due 2024 (the “2024 Convertible Senior Notes”) and has been accounted for as debt in accordance with FASC 470-60, Troubled Debt Restructuring by Debtors. Our current maturities of long-term debt as of June 30, 2018 include $84.9 million of future interest payable related to the 2021 Senior Secured Notes and 2022 Senior Secured Notes that is due within the next twelve months. See January 2018 Note Exchanges below for further discussion.

XML

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Future interest payable - current	[1]	$ 111,335	$ 105,188
Future interest payable - long-term		$ 2,689,647	$ 2,979,086
Stockholders' equity
Preferred stock, par value		$ 0.001	$ 0.001
Preferred stock, shares authorized		25,000,000	25,000,000
Preferred stock, shares issued		0	0
Preferred stock, shares outstanding		0	0
Common stock, par value		$ 0.001	$ 0.001
Common stock, shares authorized		600,000,000	600,000,000
Common stock, shares issued		458,214,337	402,549,346
Treasury stock, shares		806,318	457,041
Future interest payable on senior secured and convertible senior notes
Debt Instrument [Line Items]
Future interest payable - current		$ 84,932	$ 75,347
Future interest payable - long-term		$ 207,659	$ 241,472

[1] Future interest payable represents most of the interest due over the terms of our 9% Senior Secured Second Lien Notes due 2021 (the “2021 Senior Secured Notes”), 9¼% Senior Secured Second Lien Notes due 2022 (the “2022 Senior Secured Notes”), and to a lesser extent our previously outstanding 3½% Convertible Senior Notes due 2024 (the “2024 Convertible Senior Notes”) and has been accounted for as debt in accordance with FASC 470-60, Troubled Debt Restructuring by Debtors. Our current maturities of long-term debt as of June 30, 2018 include $84.9 million of future interest payable related to the 2021 Senior Secured Notes and 2022 Senior Secured Notes that is due within the next twelve months. See January 2018 Note Exchanges below for further discussion.

XML

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Other income	$ 4,783,000	$ 3,749,000	$ 10,444,000	$ 7,637,000
Revenues	387,063,000	261,184,000	740,297,000	536,638,000
Revenues	382,280,000	257,435,000	729,853,000	529,001,000
Expenses
CO2 discovery and operating expenses	500,000	513,000	962,000	1,106,000
Taxes other than income	27,234,000	20,175,000	54,553,000	42,615,000
General and administrative expenses	19,412,000	25,789,000	39,644,000	54,030,000
Interest, net of amounts capitalized of $8,851, $8,147, $17,303 and $12,801, respectively	16,208,000	24,061,000	33,447,000	51,239,000
Depletion, depreciation, and amortization	52,944,000	51,152,000	105,395,000	102,347,000
Commodity derivatives expense (income)	96,199,000	(10,373,000)	145,024,000	(34,975,000)
Other expenses	2,980,000	0	5,308,000	0
Total expenses	347,410,000	236,512,000	647,046,000	469,462,000
Income before income taxes	39,653,000	24,672,000	93,251,000	67,176,000
Income tax provision	9,431,000	10,273,000	23,451,000	31,247,000
Net income	$ 30,222,000	$ 14,399,000	$ 69,800,000	$ 35,929,000
Net income per common share
Basic	$ 0.07	$ 0.04	$ 0.17	$ 0.09
Diluted	$ 0.07	$ 0.04	$ 0.15	$ 0.09
Weighted average common shares outstanding
Basic	433,467	389,904	413,217	389,652
Diluted	457,165	391,827	454,466	392,414
Lease operating expenses
Operating expenses	$ 120,384,000	$ 111,318,000	$ 238,740,000	$ 225,158,000
Marketing and plant operating expenses
Operating expenses	11,549,000	13,877,000	23,973,000	27,942,000
Oil, natural gas, and related product sales
Revenues	375,565,000	250,880,000	715,586,000	517,058,000
CO2 sales and transportation fees
Revenues	$ 6,715,000	$ 6,555,000	$ 14,267,000	$ 11,943,000

XML

Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Expenses
Capitalized interest	$ 8,851	$ 8,147	$ 17,303	$ 12,801

XML

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities
Net income	$ 69,800	$ 35,929
Adjustments to reconcile net income to cash flows from operating activities
Depletion, depreciation, and amortization	105,395	102,347
Deferred income taxes	25,237	51,147
Stock-based compensation	5,152	8,941
Commodity derivatives expense (income)	145,024	(34,975)
Payment on settlements of commodity derivatives	(88,127)	(38,707)
Debt issuance costs and discounts	2,268	3,344
Other, net	(5,107)	(1,006)
Changes in assets and liabilities, net of effects from acquisitions
Accrued production receivable	(17,385)	21,114
Trade and other receivables	(320)	(17,916)
Other current and long-term assets	(5,627)	(10,225)
Accounts payable and accrued liabilities	14,999	(26,611)
Oil and natural gas production payable	(4,501)	(12,652)
Other liabilities	(1,182)	(3,522)
Net cash provided by operating activities	245,626	77,208
Cash flows from investing activities
Oil and natural gas capital expenditures	(134,458)	(129,884)
Acquisitions of oil and natural gas properties	0	(89,208)
Pipelines and plants capital expenditures	(7,882)	(634)
Net proceeds from sales of oil and natural gas properties and equipment	2,077	725
Other	6,131	(1,294)
Net cash used in investing activities	(134,132)	(220,295)
Cash flows from financing activities
Bank repayments	(1,153,653)	(796,000)
Bank borrowings	1,093,653	985,000
Interest payments treated as a reduction of debt	(37,233)	(25,139)
Pipeline financing and capital lease debt repayments	(12,625)	(13,728)
Other	(628)	(4,289)
Net cash provided by (used in) financing activities	(110,486)	145,844
Net increase in cash, cash equivalents, and restricted cash	1,008	2,757
Cash, cash equivalents, and restricted cash at beginning of period	40,614	40,905
Cash, cash equivalents, and restricted cash at end of period	$ 41,622	$ 43,662

XML

Condensed Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - 6 months ended Jun. 30, 2018 - USD ($) $ in Thousands	Total	Common Stock ($.001 Par Value)	Paid-In Capital in Excess of Par	Retained Earnings (Accumulated Deficit)	Treasury Stock (at cost)
Beginning balance, shares at Dec. 31, 2017	402,549,346	402,549,346			457,041
Beginning balance at Dec. 31, 2017	$ 648,165	$ 403	$ 2,507,828	$ (1,855,810)	$ (4,256)
Issued or purchased pursuant to stock compensation plans, shares		415,032
Issued pursuant to notes conversion, shares		55,249,999
Issued pursuant to notes conversion, value	162,050	$ 55	161,995
Stock-based compensation	6,529		6,529
Tax withholding - stock compensation, shares					349,277
Tax withholding - stock compensation, value	(899)				$ (899)
Net income	$ 69,800			69,800
Ending balance, shares at Jun. 30, 2018	458,214,337	458,214,377			806,318
Ending balance at Jun. 30, 2018	$ 885,645	$ 458	$ 2,676,352	$ (1,786,010)	$ (5,155)

XML

Basis of Presentation

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation and Significant Accounting Policies

Note 1. Basis of Presentation

Organization and Nature of Operations

Denbury Resources Inc., a Delaware corporation, is an independent oil and natural gas company with operations focused in two key operating areas: the Gulf Coast and Rocky Mountain regions.  Our goal is to increase the value of our properties through a combination of exploitation, drilling and proven engineering extraction practices, with the most significant emphasis relating to CO₂ enhanced oil recovery operations.

Interim Financial Statements

The accompanying unaudited condensed consolidated financial statements of Denbury Resources Inc. and its subsidiaries have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”) and do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.  These financial statements and the notes thereto should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2017 (the “Form 10-K”).  Unless indicated otherwise or the context requires, the terms “we,” “our,” “us,” “Company” or “Denbury,” refer to Denbury Resources Inc. and its subsidiaries.

Accounting measurements at interim dates inherently involve greater reliance on estimates than at year end, and the results of operations for the interim periods shown in this report are not necessarily indicative of results to be expected for the year.  In management’s opinion, the accompanying unaudited condensed consolidated financial statements include all adjustments of a normal recurring nature necessary for a fair statement of our consolidated financial position as of June 30, 2018, our consolidated results of operations for the three and six months endedJune 30, 2018 and 2017, our consolidated cash flows for the six months ended June 30, 2018 and 2017, and our consolidated statement of changes in stockholders’ equity for the six months ended June 30, 2018.

Reclassifications

Certain prior period amounts have been reclassified to conform to the current year presentation. Such reclassifications had no impact on our reported net income, current assets, total assets, current liabilities, total liabilities or stockholders’ equity.

Cash, Cash Equivalents, and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash as reported within the Unaudited Condensed Consolidated Balance Sheets to “Cash, cash equivalents, and restricted cash at end of period” as reported within the Unaudited Condensed Consolidated Statements of Cash Flows:

In thousands	June 30, 2018		December 31, 2017
Cash and cash equivalents	$	116	$	58
Restricted cash included in Other assets	41,506		40,556
Total cash, cash equivalents, and restricted cash shown in the Unaudited Condensed Consolidated Statements of Cash Flows	$	41,622	$	40,614

Amounts included in restricted cash included in “Other assets” in the accompanying Unaudited Condensed Consolidated Balance Sheets represent escrow accounts that are legally restricted for certain of our asset retirement obligations.

Net Income per Common Share

Basic net income per common share is computed by dividing the net income attributable to common stockholders by the weighted average number of shares of common stock outstanding during the period.  Diluted net income per common share is calculated in the same manner, but includes the impact of potentially dilutive securities.  Potentially dilutive securities consist of nonvested restricted stock, nonvested performance-based equity awards, and shares into which our previously-outstanding convertible senior notes were convertible.

The following table sets forth the reconciliations of net income and weighted average shares used for purposes of calculating the basic and diluted net income per common share for the periods indicated:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
In thousands	2018		2017		2018		2017
Numerator
Net income – basic	$	30,222	$	14,399	$	69,800	$	35,929
Effect of potentially dilutive securities
Interest on convertible senior notes	130		—		539		—
Net income – diluted	$	30,352	$	14,399	$	70,339	$	35,929
Denominator
Weighted average common shares outstanding – basic	433,467		389,904		413,217		389,652
Effect of potentially dilutive securities
Restricted stock and performance-based equity awards	8,586		1,923		6,877		2,762
Convertible senior notes	15,112		—		34,372		—
Weighted average common shares outstanding – diluted	457,165		391,827		454,466		392,414

Basic weighted average common shares exclude shares of nonvested restricted stock. As these restricted shares vest, they will be included in the shares outstanding used to calculate basic net income per common share (although time-vesting restricted stock is issued and outstanding upon grant). For purposes of calculating diluted weighted average common shares during the three and six months endedJune 30, 2018 and 2017, the nonvested restricted stock and performance-based equity awards are included in the computation using the treasury stock method, with the deemed proceeds equal to the average unrecognized compensation during the period, and for the shares underlying the previously-outstanding convertible senior notes as if the convertible senior notes were converted at the beginning of the 2018 period. In April and May 2018, all outstanding convertible senior notes converted into shares of Denbury common stock, resulting in the issuance of 55.2 million shares of our common stock upon conversion. These shares have been included in basic weighted average common shares outstanding beginning on the date of conversion. See Note 4, Long-Term Debt, for further discussion.

The following securities could potentially dilute earnings per share in the future, but were excluded from the computation of diluted net income per share, as their effect would have been antidilutive:

	Three Months Ended		Six Months Ended
	June 30,		June 30,
In thousands	2018	2017	2018	2017
Stock appreciation rights	2,827	4,785	2,891	4,914
Restricted stock and performance-based equity awards	179	7,655	305	4,442

Recent Accounting Pronouncements

Recently Adopted

Cash Flows. In November 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-18, Statement of Cash Flows (“ASU 2016-18”). ASU 2016-18 addresses the diversity that exists in the classification and presentation of changes in restricted cash on the statement of cash flows, and requires that a statement of cash flows explain the change in total cash, cash equivalents, and amounts generally described as restricted cash or restricted cash equivalents. Therefore, entities will no longer present transfers between cash and cash equivalents and restricted cash and restricted cash equivalents in the statement of cash flows. Effective January 1, 2018, we adopted ASU 2016-18, which has been applied retrospectively for all comparative periods presented. Accordingly, restricted cash associated with our escrow accounts of $40.6 million and $39.3 million for the six month periods ended June 30, 2018 and 2017, respectively, have been included in “Cash, cash equivalents, and restricted cash at beginning of period” on our Unaudited Condensed Consolidated Statements of Cash Flows and $40.2 million included in “Cash, cash equivalents, and restricted cash at end of period” for the six-month period ended June 30, 2017. The adoption of ASU 2016-18 did not have an impact on our consolidated balance sheets or results of operations.

Revenue Recognition. In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”). ASU 2014-09 amends the guidance for revenue recognition to replace numerous, industry-specific requirements. The core principle of the ASU is that an entity should recognize revenue for the transfer of goods or services equal to the amount that it expects to be entitled to receive for those goods or services. The ASU implements a five-step process for customer contract revenue recognition that focuses on transfer of control, as opposed to transfer of risk and rewards. The amendment also requires enhanced disclosures regarding the nature, amount, timing and uncertainty of revenues and cash flows arising from contracts with customers. In March, April and May 2016, the FASB issued four additional ASUs which primarily clarified the implementation guidance on principal versus agent considerations, performance obligations and licensing, collectibility, presentation of sales taxes and other similar taxes collected from customers, and non-cash consideration. Effective January 1, 2018, we adopted ASU 2014-09 using the modified retrospective method. The adoption of ASU 2014-09 did not have an impact on our consolidated financial statements, but required enhanced footnote disclosures. See Note 2, Revenue Recognition, for additional information.

Not Yet Adopted

Leases. In February 2016, the FASB issued ASU 2016-02, Leases (“ASU 2016-02”). ASU 2016-02 amends the guidance for lease accounting to require lease assets and liabilities to be recognized on the balance sheet, along with additional disclosures regarding key leasing arrangements. The amendments in this ASU are effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years, and early adoption is permitted. Entities must adopt the standard using a modified retrospective transition and apply the guidance to the earliest comparative period presented, with certain practical expedients that entities may elect to apply. In January 2018, the FASB issued ASU 2018-01, Leases (Topic 842) – Land Easement Practical Expedient for Transition to Topic 842, which provides an optional practical expedient to existing or expired land easements that were not previously accounted for as leases under Topic 842, which permits a company to evaluate only new or modified land easements under the new guidance. We are currently evaluating our lease agreements and implementing a software system to summarize the key contract terms and financial information associated with each lease agreement, in order to assess the impact the adoption of ASU 2016-02 and ASU 2018-01 will have on our consolidated financial statements.

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Revenue Recognition

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Note 2. Revenue Recognition

We record revenue in accordance with FASB Accounting Standards Codification (“ASC”) Topic 606, Revenue from Contracts with Customers, which we adopted on January 1, 2018, and applied to all existing contracts using the modified retrospective method. The core principle of FASB ASC Topic 606 is that an entity should recognize revenue for the transfer of goods or services equal to the amount of consideration that it expects to be entitled to receive for those goods or services. This principle is achieved through applying a five-step process for customer contract revenue recognition:

•Identify the contract or contracts with a customer – We derive the majority of our revenues from oil and natural gas sales contracts and CO₂ sales and transportation contracts. The contracts specify each party’s rights regarding the goods or services to be transferred and contain commercial substance as they impact our financial statements. A high percentage of our receivables balance is current, and we have not historically entered into contracts with counterparties that pose a credit risk without requiring adequate economic protection to ensure collection.

•Identify the performance obligations in the contract – Each of our revenue contracts specify a volume per day, or production from a lease designated in the contract (a distinct good), to be delivered at the delivery point over the term of the contract (the identified performance obligation). The customer takes delivery and physical possession of the product at the delivery point, which generally is also the point at which title transfers and the customer obtains the risks and rewards of ownership (the identified performance obligation is satisfied).

•Determine the transaction price – Typically, our oil and natural gas contracts define the price as a formula price based on the average market price, as specified on set dates each month, for the specific commodity during the month of delivery. Certain of our CO₂ contracts define the price as a fixed contractual price adjusted to an inflation index to reflect market pricing. Given the industry practice to invoice customers the month following the month of delivery and our high probability of collection of payment, no significant financing component is included in our contracts.

•Allocate the transaction price to the performance obligations in the contract – The majority of our revenue contracts are short-term, with terms of one year or less, to which we have applied the practical expedient permitted under the standard eliminating the requirement to disclose the transaction price allocated to remaining performance obligations. In limited instances, we have revenue contracts with terms greater than one year; however, the future delivery volumes are wholly unsatisfied as they represent separate performance obligations with variable consideration. We utilized the practical expedient which eliminates the requirement to disclose the transaction price allocated to remaining performance obligations if the variable consideration is allocated entirely to wholly unsatisfied performance obligations. As there is only one performance obligation associated with our contracts, no allocation of the transaction price is necessary.

•Recognize revenue when, or as, we satisfy a performance obligation – Once we have delivered the volume of commodity to the delivery point and the customer takes delivery and possession, we are entitled to payment and we invoice the customer for such delivered production. Payment under most oil and CO₂ contracts is made within a month following product delivery and for natural gas and NGL contracts is generally made within two months following delivery. Timing of revenue recognition may differ from the timing of invoicing to customers; however, as the right to consideration after delivery is unconditional based on only the passage of time before payment of the consideration is due, upon delivery we record a receivable in “Accrued production receivable” in our Unaudited Condensed Consolidated Balance Sheets, which was $163.7 million and $146.3 million as of June 30, 2018 and December 31, 2017, respectively.

Disaggregation of Revenue

The following table summarizes our revenues by product type for the three and six months endedJune 30, 2018 and 2017:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
In thousands	2018		2017		2018		2017
Oil sales	$	373,286	$	248,317	$	710,692	$	512,291
Natural gas sales	2,279		2,563		4,894		4,767
CO2 sales and transportation fees	6,715		6,555		14,267		11,943
Total revenues	$	382,280	$	257,435	$	729,853	$	529,001

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Assets Held for Sale

6 Months Ended

Jun. 30, 2018

Assets Held-for-sale, Not Part of Disposal Group [Abstract]

Assets Held for Sale

Note 3. Assets Held for Sale

We began actively marketing for sale certain non-productive surface acreage in the Houston area in July 2017. As of June 30, 2018, the carrying value of the land held for sale was $33.0 million, which is included in “Other property and equipment” on our Unaudited Condensed Consolidated Balance Sheets.

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Long-Term Debt

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Long-Term Debt

Note 4. Long-Term Debt

The table below reflects long-term debt and capital lease obligations outstanding as of the dates indicated:

	June 30,			December 31,
In thousands	2018			2017
Senior Secured Bank Credit Agreement	$	415,000		$	475,000
9% Senior Secured Second Lien Notes due 2021	614,919			614,919
9¼% Senior Secured Second Lien Notes due 2022	455,668			381,568
3½% Convertible Senior Notes due 2024	—			84,650
6⅜% Senior Subordinated Notes due 2021	203,545			215,144
5½% Senior Subordinated Notes due 2022	314,662			408,882
4⅝% Senior Subordinated Notes due 2023	307,978			376,501
Pipeline financings	186,525			192,429
Capital lease obligations	15,906			26,298
Total debt principal balance	2,514,203			2,775,391
Future interest payable(1)	292,591			316,818
Debt issuance costs	(5,812		)	(7,935		)
Total debt, net of debt issuance costs	2,800,982			3,084,274
Less: current maturities of long-term debt(1)	(111,335		)	(105,188		)
Long-term debt and capital lease obligations	$	2,689,647		$	2,979,086

(1) Future interest payable represents most of the interest due over the terms of our 9% Senior Secured Second Lien Notes due 2021 (the “2021 Senior Secured Notes”), 9¼% Senior Secured Second Lien Notes due 2022 (the “2022 Senior Secured Notes”), and to a lesser extent our previously outstanding 3½% Convertible Senior Notes due 2024 (the “2024 Convertible Senior Notes”) and has been accounted for as debt in accordance with FASC 470-60, Troubled Debt Restructuring by Debtors. Our current maturities of long-term debt as of June 30, 2018 include $84.9 million of future interest payable related to the 2021 Senior Secured Notes and 2022 Senior Secured Notes that is due within the next twelve months. See January 2018 Note Exchanges below for further discussion.

The ultimate parent company in our corporate structure, Denbury Resources Inc. (“DRI”), is the sole issuer of all of our outstanding senior secured and senior subordinated notes. DRI has no independent assets or operations. Each of the subsidiary guarantors of such notes is 100% owned, directly or indirectly, by DRI, and the guarantees of the notes are full and unconditional and joint and several; any subsidiaries of DRI that are not subsidiary guarantors of such notes are minor subsidiaries.

Senior Secured Bank Credit Facility

In December 2014, we entered into an Amended and Restated Credit Agreement with JPMorgan Chase Bank, N.A., as administrative agent, and other lenders party thereto (as amended, the “Bank Credit Agreement”). The Bank Credit Agreement is a senior secured revolving credit facility with a maturity date of December 9, 2019 and semiannual borrowing base redeterminations in May and November of each year. As part of our spring 2018 semiannual borrowing base redetermination, the borrowing base and lender commitments for our Bank Credit Agreement were reaffirmed at $1.05 billion, with the next such redetermination being scheduled for November 2018. If our outstanding debt under the Bank Credit Agreement were to ever exceed the borrowing base, we would be required to repay the excess amount over a period not to exceed six months. The weighted average interest rate on borrowings outstanding under the Bank Credit Agreement was 4.7% as of June 30, 2018. We incur a commitment fee of 0.50% on the undrawn portion of the aggregate lender commitments under the Bank Credit Agreement.

At June 30, 2018, the Bank Credit Agreement contained certain financial performance covenants through the maturity of the facility, including the following:

• A consolidated senior secured debt to consolidated EBITDAX covenant, with such ratio not to exceed 2.5 to 1.0. Currently, only debt under our Bank Credit Agreement is considered consolidated senior secured debt for purposes of this ratio;

• A minimum permitted ratio of consolidated EBITDAX to consolidated interest charges of 1.25 to 1.0; and

• A requirement to maintain a current ratio of 1.0 to 1.0.

The above description of our Bank Credit Agreement is qualified by the express language and defined terms contained in the Bank Credit Agreement and the amendments thereto, each of which are filed as exhibits to our periodic reports filed with the SEC.

January 2018 Note Exchanges

During January 2018, we closed transactions to exchange a total of $174.3 million aggregate principal amount of our then existing senior subordinated notes for $74.1 million aggregate principal amount of new 2022 Senior Secured Notes and $59.4 million aggregate principal amount of new 5% Convertible Senior Notes due 2023 (the “2023 Convertible Senior Notes”), resulting in a net reduction in our debt principal from these exchanges of $40.8 million. The exchanged notes consisted of $11.6 million aggregate principal amount of our 6⅜% Senior Subordinated Notes due 2021, $94.2 million aggregate principal amount of our 5½% Senior Subordinated Notes due 2022 and $68.5 million aggregate principal amount of our 4⅝% Senior Subordinated Notes due 2023.

In accordance with FASC 470-60, the exchange was accounted for as a troubled debt restructuring due to the level of concession provided by our senior subordinated note holders. Under this guidance, future interest applicable to the new 2022 Senior Secured Notes and 2023 Convertible Senior Notes was recorded as debt up to the point that the principal and future interest of the new notes was equal to the principal amount of the extinguished notes, rather than recognizing a gain on extinguishment for this amount. In May 2018, the debt principal balance and future interest applicable to the 2023 Convertible Senior Notes were reclassified to “Paid-in capital in excess of par” and “Common stock” in our Unaudited Condensed Consolidated Balance Sheets following the conversion of the notes into shares of Denbury common stock (see Conversions of 2023 and 2024 Convertible Senior Notes below for further discussion). As of June 30, 2018, $22.1 million of future interest on the new 2022 Senior Secured Notes was recorded as debt, which will be reduced as semiannual interest payments are made, with the remaining $3.6 million of future interest to be recognized as interest expense over the term of the notes. Therefore, future interest expense reflected in our Unaudited Condensed Consolidated Statements of Operations on the new 2022 Senior Secured Notes will be significantly lower than the actual cash interest payments.

9¼% Senior Secured Second Lien Notes due 2022

In January 2018, we issued $74.1 million of 2022 Senior Secured Notes, which principal amount is in addition to the $381.6 million of 2022 Senior Secured Notes issued during December 2017. All $455.7 million of the 2022 Senior Secured Notes were issued in connection with exchanges with a limited number of holders of the Company’s existing senior subordinated notes in December 2017 and January 2018 (see January 2018 Note Exchanges above). The 2022 Senior Secured Notes bear interest at 9.25% per annum, with interest payable semiannually in arrears on March 31 and September 30 of each year, and mature on March 31, 2022.  We may redeem the 2022 Senior Secured Notes in whole or in part at our option beginning March 31, 2019, at a redemption price of 109.25% of the principal amount, and at declining redemption prices thereafter, as specified in the indenture governing the 2022 Senior Secured Notes.  Prior to March 31, 2019, we may at our option redeem up to an aggregate of 35% of the principal amount of the 2022 Senior Secured Notes at a price of 109.25% of par with the proceeds of certain equity offerings.  In addition, at any time prior to March 31, 2019, we may redeem the 2022 Senior Secured Notes in whole or in part at a price equal to 100% of the principal amount plus a “make-whole” premium and accrued and unpaid interest.  The 2022 Senior Secured Notes are not subject to any sinking fund requirements.

The 2022 Senior Secured Notes are guaranteed jointly and severally by our subsidiaries representing substantially all of our assets, operations and income and are secured by second-priority liens on substantially all of the assets that secure the Bank Credit Agreement, which second-priority liens are contractually subordinated to liens that secure our Bank Credit Agreement and any future additional priority lien debt.

Conversions of 2023 and 2024 Convertible Senior Notes

During the second quarter of 2018, holders of all $59.4 million aggregate principal amount outstanding of our 2023 Convertible Senior Notes and $84.7 million aggregate outstanding principal amount of our 2024 Convertible Senior Notes converted their notes into shares of Denbury common stock, at the rates specified in the indentures for these notes, resulting in the issuance of 55.2 million shares of our common stock upon conversion. The debt principal balances and future interest treated as debt applicable to the 2023 Convertible Senior Notes and 2024 Convertible Senior Notes, totaling $162.1 million, were reclassified to “Paid-in capital in excess of par” and “Common stock” in our Unaudited Condensed Consolidated Balance Sheets upon the conversion of the notes into shares of Denbury common stock. As of April 18, 2018 and May 30, 2018, there were no remaining 2024 Convertible Senior Notes and 2023 Convertible Senior Notes outstanding, respectively.

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Commodity Derivative Contracts

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Commodity Derivative Contracts

Note 5. Commodity Derivative Contracts

We do not apply hedge accounting treatment to our oil and natural gas derivative contracts; therefore, the changes in the fair values of these instruments are recognized in income in the period of change.  These fair value changes, along with the settlements of expired contracts, are shown under “Commodity derivatives expense (income)” in our Unaudited Condensed Consolidated Statements of Operations.

Historically, we have entered into various oil and natural gas derivative contracts to provide an economic hedge of our exposure to commodity price risk associated with anticipated future oil and natural gas production and to provide more certainty to our future cash flows. We do not hold or issue derivative financial instruments for trading purposes. Generally, these contracts have consisted of various combinations of price floors, collars, three-way collars, fixed-price swaps, fixed-price swaps enhanced with a sold put, and basis swaps. The production that we hedge has varied from year to year depending on our levels of debt, financial strength and expectation of future commodity prices.

We manage and control market and counterparty credit risk through established internal control procedures that are reviewed on an ongoing basis.  We attempt to minimize credit risk exposure to counterparties through formal credit policies, monitoring procedures and diversification, and all of our commodity derivative contracts are with parties that are lenders under our Bank Credit Agreement (or affiliates of such lenders). As of June 30, 2018, all of our outstanding derivative contracts were subject to enforceable master netting arrangements whereby payables on those contracts can be offset against receivables from separate derivative contracts with the same counterparty. It is our policy to classify derivative assets and liabilities on a gross basis on our balance sheets, even if the contracts are subject to enforceable master netting arrangements.

The following table summarizes our commodity derivative contracts as of June 30, 2018, none of which are classified as hedging instruments in accordance with the FASC Derivatives and Hedging topic:

Months	Index Price	Volume (Barrels per day)	Contract Prices ($/Bbl)
			Range(1)				Weighted Average Price
							Swap		Sold Put		Floor		Ceiling
Oil Contracts:
2018 Fixed-Price Swaps
July – Dec	NYMEX	20,500	$	50.00	–	56.65	$	51.69	$	—	$	—	$	—
July – Dec	Argus LLS	5,000		60.10	–	60.25	60.18		—		—		—
2018 Three-Way Collars(2)
July – Dec	NYMEX	15,000	$	45.00	–	56.60	$	—	$	36.50	$	46.50	$	53.88
2019 Fixed-Price Swaps
Jan – June	NYMEX	3,500	$	59.00	–	59.10	$	59.05	$	—	$	—	$	—
2019 Three-Way Collars(2)
Jan – June	NYMEX	16,500	$	55.00	–	75.45	$	—	$	48.45	$	56.45	$	69.88
July – Dec	NYMEX	20,000		55.00	–	75.45	—		48.20		56.20		69.04
Jan – Dec	Argus LLS	3,000		62.00	–	78.90	—		54.00		62.00		78.50

(1) Ranges presented for fixed-price swaps represent the lowest and highest fixed prices of all open contracts for the period presented. For three-way collars, ranges represent the lowest floor price and highest ceiling price for all open contracts for the period presented.

(2) A three-way collar is a costless collar contract combined with a sold put feature (at a lower price) with the same counterparty. The value received for the sold put is used to enhance the contracted floor and ceiling price of the related collar. At the contract settlement date, (1) if the index price is higher than the ceiling price, we pay the counterparty the difference between the index price and ceiling price for the contracted volumes, (2) if the index price is between the floor and ceiling price, no settlements occur, (3) if the index price is lower than the floor price but at or above the sold put price, the counterparty pays us the difference between the index price and the floor price for the contracted volumes and (4) if the index price is lower than the sold put price, the counterparty pays us the difference between the floor price and the sold put price for the contracted volumes.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements

Note 6. Fair Value Measurements

The FASC Fair Value Measurement topic defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (often referred to as the “exit price”). We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market corroborated or generally unobservable. We primarily apply the income approach for recurring fair value measurements and endeavor to utilize the best available information. Accordingly, we utilize valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs. We are able to classify fair value balances based on the observability of those inputs. The FASC establishes a fair value hierarchy that prioritizes the inputs used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurement) and the lowest priority to unobservable inputs (Level 3 measurement). The three levels of the fair value hierarchy are as follows:

• Level 1 – Quoted prices in active markets for identical assets or liabilities as of the reporting date.

• Level 2 – Pricing inputs are other than quoted prices in active markets included in Level 1, which are either directly or indirectly observable as of the reported date. Level 2 includes those financial instruments that are valued using models or other valuation methodologies. Instruments in this category include non-exchange-traded oil derivatives that are based on NYMEX pricing and fixed-price swaps that are based on regional pricing other than NYMEX (e.g., Light Louisiana Sweet). Our costless collars and the sold put features of our three-way collars are valued using the Black-Scholes model, an industry standard option valuation model that takes into account inputs such as contractual prices for the underlying instruments, maturity, quoted forward prices for commodities, interest rates, volatility factors and credit worthiness, as well as other relevant economic measures. Substantially all of these assumptions are observable in the marketplace throughout the full term of the instrument, can be derived from observable data or are supported by observable levels at which transactions are executed in the marketplace.

• Level 3 – Pricing inputs include significant inputs that are generally less observable. These inputs may be used with internally developed methodologies that result in management’s best estimate of fair value. As of June 30, 2018, instruments in this category include non-exchange-traded three-way collars that are based on regional pricing other than NYMEX (e.g., Light Louisiana Sweet). The valuation models utilized for costless collars and three-way collars are consistent with the methodologies described above; however, the implied volatilities utilized in the valuation of Level 3 instruments are developed using a benchmark, which is considered a significant unobservable input. An increase or decrease of 100 basis points in the implied volatility inputs utilized in our fair value measurement would result in a change of approximately $225 thousand in the fair value of these instruments as of June 30, 2018.

We adjust the valuations from the valuation model for nonperformance risk, using our estimate of the counterparty’s credit quality for asset positions and our credit quality for liability positions. We use multiple sources of third-party credit data in determining counterparty nonperformance risk, including credit default swaps.

The following table sets forth, by level within the fair value hierarchy, our financial assets and liabilities that were accounted for at fair value on a recurring basis as of the periods indicated:

	Fair Value Measurements Using:
In thousands	Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)			Total
June 30, 2018
Liabilities
Oil derivative contracts – current	$	—	$	(144,554	)	$	(700	)	$	(145,254	)
Oil derivative contracts – long-term	—		(10,236		)	(468		)	(10,704		)
Total Liabilities	$	—	$	(154,790	)	$	(1,168	)	$	(155,958	)
December 31, 2017
Liabilities
Oil derivative contracts – current	$	—	$	(99,061	)	$	—		$	(99,061	)
Total Liabilities	$	—	$	(99,061	)	$	—		$	(99,061	)

Since we do not apply hedge accounting for our commodity derivative contracts, any gains and losses on our assets and liabilities are included in “Commodity derivatives expense (income)” in the accompanying Unaudited Condensed Consolidated Statements of Operations.

Level 3 Fair Value Measurements

The following table summarizes the changes in the fair value of our Level 3 assets and liabilities for the three and six months endedJune 30, 2018 and 2017:

	Three Months Ended					Six Months Ended
	June 30,					June 30,
In thousands	2018			2017		2018			2017
Fair value of Level 3 instruments, beginning of period	$	—		$	91	$	—		$	(526	)
Fair value gains (losses) on commodity derivatives	(1,168		)	8		(1,168		)	625
Fair value of Level 3 instruments, end of period	$	(1,168	)	$	99	$	(1,168	)	$	99
The amount of total gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets or liabilities still held at the reporting date	$	(1,168	)	$	8	$	(1,168	)	$	245

We utilize an income approach to value our Level 3 costless collars and three-way collars. We obtain and ensure the appropriateness of the significant inputs to the calculation, including contractual prices for the underlying instruments, maturity, forward prices for commodities, interest rates, volatility factors and credit worthiness, and the fair value estimate is prepared and reviewed on a quarterly basis. The following table details fair value inputs related to implied volatilities utilized in the valuation of our Level 3 oil derivative contracts:

	Fair Value at 6/30/2018 (in thousands)			Valuation Technique	Unobservable Input	Volatility Range
Oil derivative contracts	$	(1,168	)	Discounted cash flow / Black-Scholes	Volatility of Light Louisiana Sweet for settlement periods beginning after June 30, 2018	22.3% – 29.2%

Other Fair Value Measurements

The carrying value of our loans under our Bank Credit Agreement approximate fair value, as they are subject to short-term floating interest rates that approximate the rates available to us for those periods. We use a market approach to determine the fair value of our fixed-rate long-term debt using observable market data. The fair values of our senior secured second lien notes, convertible senior notes, and senior subordinated notes are based on quoted market prices, which are considered Level 1 measurements under the fair value hierarchy. The estimated fair value of the principal amount of our debt as of June 30, 2018 and December 31, 2017, excluding pipeline financing and capital lease obligations, was $2,299.1 million and $2,260.6 million, respectively. We have other financial instruments consisting primarily of cash, cash equivalents, short-term receivables and payables that approximate fair value due to the nature of the instrument and the relatively short maturities.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Note 7. Commitments and Contingencies

Litigation

We are involved in various lawsuits, claims and regulatory proceedings incidental to our businesses.  We are also subject to audits for various taxes (income, sales and use, and severance) in the various states in which we operate, and from time to time receive assessments for potential taxes that we may owe. While we currently believe that the ultimate outcome of these proceedings, individually and in the aggregate, will not have a material adverse effect on our financial position, results of operations or cash flows, litigation is subject to inherent uncertainties.  Although a single or multiple adverse rulings or settlements could possibly have a material adverse effect on our finances, we only accrue for losses from litigation and claims if we determine that a loss is probable and the amount can be reasonably estimated.

Riley Ridge Helium Supply Contract Claim

As part of our 2010 and 2011 acquisitions of the Riley Ridge Unit and associated gas processing facility that was under construction, the Company assumed a 20-year helium supply contract under which we agreed to supply the helium separated from the full well stream by operation of the gas processing facility to a third-party purchaser, APMTG Helium, LLC.  The helium supply contract provides for the delivery of a minimum contracted quantity of helium, subject to adjustment after startup of the Riley Ridge gas processing facility, with liquidated damages payable if specified quantities of helium are not supplied in accordance with the terms of the contract. The liquidated damages are specified in the contract at up to $8.0 million per contract year and are capped at an aggregate of $46.0 million over the term of the contract. As the gas processing facility has been shut-in since mid-2014, we have not been able to supply helium under the helium supply contract.  APMTG Helium, LLC filed a case in November 2014 in the Ninth Judicial District Court of Sublette County, Wyoming, claiming multiple years of liquidated damages for non-delivery of volumes of helium specified under the helium supply contract. The Company’s position is that our contractual obligations are excused by virtue of events that fall within the force majeure provisions in the helium supply contract. The evidentiary phase of the trial concluded on November 29, 2017. The parties submitted written closing briefs and rebuttal briefs to the District Court during February and April of 2018. We currently expect a ruling from the District Court to be made during 2018. The Company plans to continue to vigorously defend its position, but we are unable to predict at this time the outcome of this dispute.

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Subsequent Event

6 Months Ended

Jun. 30, 2018

Subsequent Events [Abstract]

Subsequent Event

Note 8. Subsequent Event

Employee Equity Award Grants

On July 16, 2018, the Compensation Committee of our Board of Directors granted customary long-term equity incentive awards covering 4,390,002 shares of restricted stock to certain employees under our 2004 Omnibus Stock and Incentive Plan. The closing price of Denbury’s common stock on July 16, 2018 was $4.64 per share. The awards generally vest one-third per year over a three-year period.

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Basis of Presentation (Policies)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Organization and Nature of Operations

Organization and Nature of Operations

Denbury Resources Inc., a Delaware corporation, is an independent oil and natural gas company with operations focused in two key operating areas: the Gulf Coast and Rocky Mountain regions.  Our goal is to increase the value of our properties through a combination of exploitation, drilling and proven engineering extraction practices, with the most significant emphasis relating to CO₂ enhanced oil recovery operations.

Interim Financial Statements - Basis of Accounting, Policy

Interim Financial Statements

The accompanying unaudited condensed consolidated financial statements of Denbury Resources Inc. and its subsidiaries have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”) and do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.  These financial statements and the notes thereto should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2017 (the “Form 10-K”).  Unless indicated otherwise or the context requires, the terms “we,” “our,” “us,” “Company” or “Denbury,” refer to Denbury Resources Inc. and its subsidiaries.

Interim Financial Statements - Use of Estimates

Accounting measurements at interim dates inherently involve greater reliance on estimates than at year end, and the results of operations for the interim periods shown in this report are not necessarily indicative of results to be expected for the year.  In management’s opinion, the accompanying unaudited condensed consolidated financial statements include all adjustments of a normal recurring nature necessary for a fair statement of our consolidated financial position as of June 30, 2018, our consolidated results of operations for the three and six months endedJune 30, 2018 and 2017, our consolidated cash flows for the six months ended June 30, 2018 and 2017, and our consolidated statement of changes in stockholders’ equity for the six months ended June 30, 2018.

Reclassifications

Reclassifications

Certain prior period amounts have been reclassified to conform to the current year presentation. Such reclassifications had no impact on our reported net income, current assets, total assets, current liabilities, total liabilities or stockholders’ equity.

Cash, Cash Equivalents, and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash as reported within the Unaudited Condensed Consolidated Balance Sheets to “Cash, cash equivalents, and restricted cash at end of period” as reported within the Unaudited Condensed Consolidated Statements of Cash Flows:

In thousands	June 30, 2018		December 31, 2017
Cash and cash equivalents	$	116	$	58
Restricted cash included in Other assets	41,506		40,556
Total cash, cash equivalents, and restricted cash shown in the Unaudited Condensed Consolidated Statements of Cash Flows	$	41,622	$	40,614

Amounts included in restricted cash included in “Other assets” in the accompanying Unaudited Condensed Consolidated Balance Sheets represent escrow accounts that are legally restricted for certain of our asset retirement obligations.

Net Income per Common Share

Net Income per Common Share

Basic net income per common share is computed by dividing the net income attributable to common stockholders by the weighted average number of shares of common stock outstanding during the period.  Diluted net income per common share is calculated in the same manner, but includes the impact of potentially dilutive securities.  Potentially dilutive securities consist of nonvested restricted stock, nonvested performance-based equity awards, and shares into which our previously-outstanding convertible senior notes were convertible.

The following table sets forth the reconciliations of net income and weighted average shares used for purposes of calculating the basic and diluted net income per common share for the periods indicated:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
In thousands	2018		2017		2018		2017
Numerator
Net income – basic	$	30,222	$	14,399	$	69,800	$	35,929
Effect of potentially dilutive securities
Interest on convertible senior notes	130		—		539		—
Net income – diluted	$	30,352	$	14,399	$	70,339	$	35,929
Denominator
Weighted average common shares outstanding – basic	433,467		389,904		413,217		389,652
Effect of potentially dilutive securities
Restricted stock and performance-based equity awards	8,586		1,923		6,877		2,762
Convertible senior notes	15,112		—		34,372		—
Weighted average common shares outstanding – diluted	457,165		391,827		454,466		392,414

Basic weighted average common shares exclude shares of nonvested restricted stock. As these restricted shares vest, they will be included in the shares outstanding used to calculate basic net income per common share (although time-vesting restricted stock is issued and outstanding upon grant). For purposes of calculating diluted weighted average common shares during the three and six months endedJune 30, 2018 and 2017, the nonvested restricted stock and performance-based equity awards are included in the computation using the treasury stock method, with the deemed proceeds equal to the average unrecognized compensation during the period, and for the shares underlying the previously-outstanding convertible senior notes as if the convertible senior notes were converted at the beginning of the 2018 period. In April and May 2018, all outstanding convertible senior notes converted into shares of Denbury common stock, resulting in the issuance of 55.2 million shares of our common stock upon conversion. These shares have been included in basic weighted average common shares outstanding beginning on the date of conversion. See Note 4, Long-Term Debt, for further discussion.

The following securities could potentially dilute earnings per share in the future, but were excluded from the computation of diluted net income per share, as their effect would have been antidilutive:

	Three Months Ended		Six Months Ended
	June 30,		June 30,
In thousands	2018	2017	2018	2017
Stock appreciation rights	2,827	4,785	2,891	4,914
Restricted stock and performance-based equity awards	179	7,655	305	4,442

Recent Accounting Pronouncements

Recent Accounting Pronouncements

Recently Adopted

Cash Flows. In November 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-18, Statement of Cash Flows (“ASU 2016-18”). ASU 2016-18 addresses the diversity that exists in the classification and presentation of changes in restricted cash on the statement of cash flows, and requires that a statement of cash flows explain the change in total cash, cash equivalents, and amounts generally described as restricted cash or restricted cash equivalents. Therefore, entities will no longer present transfers between cash and cash equivalents and restricted cash and restricted cash equivalents in the statement of cash flows. Effective January 1, 2018, we adopted ASU 2016-18, which has been applied retrospectively for all comparative periods presented. Accordingly, restricted cash associated with our escrow accounts of $40.6 million and $39.3 million for the six month periods ended June 30, 2018 and 2017, respectively, have been included in “Cash, cash equivalents, and restricted cash at beginning of period” on our Unaudited Condensed Consolidated Statements of Cash Flows and $40.2 million included in “Cash, cash equivalents, and restricted cash at end of period” for the six-month period ended June 30, 2017. The adoption of ASU 2016-18 did not have an impact on our consolidated balance sheets or results of operations.

Revenue Recognition. In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”). ASU 2014-09 amends the guidance for revenue recognition to replace numerous, industry-specific requirements. The core principle of the ASU is that an entity should recognize revenue for the transfer of goods or services equal to the amount that it expects to be entitled to receive for those goods or services. The ASU implements a five-step process for customer contract revenue recognition that focuses on transfer of control, as opposed to transfer of risk and rewards. The amendment also requires enhanced disclosures regarding the nature, amount, timing and uncertainty of revenues and cash flows arising from contracts with customers. In March, April and May 2016, the FASB issued four additional ASUs which primarily clarified the implementation guidance on principal versus agent considerations, performance obligations and licensing, collectibility, presentation of sales taxes and other similar taxes collected from customers, and non-cash consideration. Effective January 1, 2018, we adopted ASU 2014-09 using the modified retrospective method. The adoption of ASU 2014-09 did not have an impact on our consolidated financial statements, but required enhanced footnote disclosures. See Note 2, Revenue Recognition, for additional information.

Not Yet Adopted

Leases. In February 2016, the FASB issued ASU 2016-02, Leases (“ASU 2016-02”). ASU 2016-02 amends the guidance for lease accounting to require lease assets and liabilities to be recognized on the balance sheet, along with additional disclosures regarding key leasing arrangements. The amendments in this ASU are effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years, and early adoption is permitted. Entities must adopt the standard using a modified retrospective transition and apply the guidance to the earliest comparative period presented, with certain practical expedients that entities may elect to apply. In January 2018, the FASB issued ASU 2018-01, Leases (Topic 842) – Land Easement Practical Expedient for Transition to Topic 842, which provides an optional practical expedient to existing or expired land easements that were not previously accounted for as leases under Topic 842, which permits a company to evaluate only new or modified land easements under the new guidance. We are currently evaluating our lease agreements and implementing a software system to summarize the key contract terms and financial information associated with each lease agreement, in order to assess the impact the adoption of ASU 2016-02 and ASU 2018-01 will have on our consolidated financial statements.

Revenue Recognition

We record revenue in accordance with FASB Accounting Standards Codification (“ASC”) Topic 606, Revenue from Contracts with Customers, which we adopted on January 1, 2018, and applied to all existing contracts using the modified retrospective method. The core principle of FASB ASC Topic 606 is that an entity should recognize revenue for the transfer of goods or services equal to the amount of consideration that it expects to be entitled to receive for those goods or services. This principle is achieved through applying a five-step process for customer contract revenue recognition:

•Identify the contract or contracts with a customer – We derive the majority of our revenues from oil and natural gas sales contracts and CO₂ sales and transportation contracts. The contracts specify each party’s rights regarding the goods or services to be transferred and contain commercial substance as they impact our financial statements. A high percentage of our receivables balance is current, and we have not historically entered into contracts with counterparties that pose a credit risk without requiring adequate economic protection to ensure collection.

•Identify the performance obligations in the contract – Each of our revenue contracts specify a volume per day, or production from a lease designated in the contract (a distinct good), to be delivered at the delivery point over the term of the contract (the identified performance obligation). The customer takes delivery and physical possession of the product at the delivery point, which generally is also the point at which title transfers and the customer obtains the risks and rewards of ownership (the identified performance obligation is satisfied).

•Determine the transaction price – Typically, our oil and natural gas contracts define the price as a formula price based on the average market price, as specified on set dates each month, for the specific commodity during the month of delivery. Certain of our CO₂ contracts define the price as a fixed contractual price adjusted to an inflation index to reflect market pricing. Given the industry practice to invoice customers the month following the month of delivery and our high probability of collection of payment, no significant financing component is included in our contracts.

•Allocate the transaction price to the performance obligations in the contract – The majority of our revenue contracts are short-term, with terms of one year or less, to which we have applied the practical expedient permitted under the standard eliminating the requirement to disclose the transaction price allocated to remaining performance obligations. In limited instances, we have revenue contracts with terms greater than one year; however, the future delivery volumes are wholly unsatisfied as they represent separate performance obligations with variable consideration. We utilized the practical expedient which eliminates the requirement to disclose the transaction price allocated to remaining performance obligations if the variable consideration is allocated entirely to wholly unsatisfied performance obligations. As there is only one performance obligation associated with our contracts, no allocation of the transaction price is necessary.

•Recognize revenue when, or as, we satisfy a performance obligation – Once we have delivered the volume of commodity to the delivery point and the customer takes delivery and possession, we are entitled to payment and we invoice the customer for such delivered production. Payment under most oil and CO₂ contracts is made within a month following product delivery and for natural gas and NGL contracts is generally made within two months following delivery. Timing of revenue recognition may differ from the timing of invoicing to customers; however, as the right to consideration after delivery is unconditional based on only the passage of time before payment of the consideration is due, upon delivery we record a receivable in “Accrued production receivable” in our Unaudited Condensed Consolidated Balance Sheets, which was $163.7 million and $146.3 million as of June 30, 2018 and December 31, 2017, respectively.

Commodity Derivative Contracts

We do not apply hedge accounting treatment to our oil and natural gas derivative contracts; therefore, the changes in the fair values of these instruments are recognized in income in the period of change.  These fair value changes, along with the settlements of expired contracts, are shown under “Commodity derivatives expense (income)” in our Unaudited Condensed Consolidated Statements of Operations.

Historically, we have entered into various oil and natural gas derivative contracts to provide an economic hedge of our exposure to commodity price risk associated with anticipated future oil and natural gas production and to provide more certainty to our future cash flows. We do not hold or issue derivative financial instruments for trading purposes. Generally, these contracts have consisted of various combinations of price floors, collars, three-way collars, fixed-price swaps, fixed-price swaps enhanced with a sold put, and basis swaps. The production that we hedge has varied from year to year depending on our levels of debt, financial strength and expectation of future commodity prices.

We manage and control market and counterparty credit risk through established internal control procedures that are reviewed on an ongoing basis.  We attempt to minimize credit risk exposure to counterparties through formal credit policies, monitoring procedures and diversification, and all of our commodity derivative contracts are with parties that are lenders under our Bank Credit Agreement (or affiliates of such lenders). As of June 30, 2018, all of our outstanding derivative contracts were subject to enforceable master netting arrangements whereby payables on those contracts can be offset against receivables from separate derivative contracts with the same counterparty. It is our policy to classify derivative assets and liabilities on a gross basis on our balance sheets, even if the contracts are subject to enforceable master netting arrangements.

Fair Value Measurements

The FASC Fair Value Measurement topic defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (often referred to as the “exit price”). We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market corroborated or generally unobservable. We primarily apply the income approach for recurring fair value measurements and endeavor to utilize the best available information. Accordingly, we utilize valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs. We are able to classify fair value balances based on the observability of those inputs. The FASC establishes a fair value hierarchy that prioritizes the inputs used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurement) and the lowest priority to unobservable inputs (Level 3 measurement). The three levels of the fair value hierarchy are as follows:

• Level 1 – Quoted prices in active markets for identical assets or liabilities as of the reporting date.

• Level 2 – Pricing inputs are other than quoted prices in active markets included in Level 1, which are either directly or indirectly observable as of the reported date. Level 2 includes those financial instruments that are valued using models or other valuation methodologies. Instruments in this category include non-exchange-traded oil derivatives that are based on NYMEX pricing and fixed-price swaps that are based on regional pricing other than NYMEX (e.g., Light Louisiana Sweet). Our costless collars and the sold put features of our three-way collars are valued using the Black-Scholes model, an industry standard option valuation model that takes into account inputs such as contractual prices for the underlying instruments, maturity, quoted forward prices for commodities, interest rates, volatility factors and credit worthiness, as well as other relevant economic measures. Substantially all of these assumptions are observable in the marketplace throughout the full term of the instrument, can be derived from observable data or are supported by observable levels at which transactions are executed in the marketplace.

• Level 3 – Pricing inputs include significant inputs that are generally less observable. These inputs may be used with internally developed methodologies that result in management’s best estimate of fair value. As of June 30, 2018, instruments in this category include non-exchange-traded three-way collars that are based on regional pricing other than NYMEX (e.g., Light Louisiana Sweet). The valuation models utilized for costless collars and three-way collars are consistent with the methodologies described above; however, the implied volatilities utilized in the valuation of Level 3 instruments are developed using a benchmark, which is considered a significant unobservable input. An increase or decrease of 100 basis points in the implied volatility inputs utilized in our fair value measurement would result in a change of approximately $225 thousand in the fair value of these instruments as of June 30, 2018.

We adjust the valuations from the valuation model for nonperformance risk, using our estimate of the counterparty’s credit quality for asset positions and our credit quality for liability positions. We use multiple sources of third-party credit data in determining counterparty nonperformance risk, including credit default swaps.

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Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Schedule of cash, cash equivalents, and restricted cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash as reported within the Unaudited Condensed Consolidated Balance Sheets to “Cash, cash equivalents, and restricted cash at end of period” as reported within the Unaudited Condensed Consolidated Statements of Cash Flows:

In thousands	June 30, 2018		December 31, 2017
Cash and cash equivalents	$	116	$	58
Restricted cash included in Other assets	41,506		40,556
Total cash, cash equivalents, and restricted cash shown in the Unaudited Condensed Consolidated Statements of Cash Flows	$	41,622	$	40,614

Schedule of earnings per share, basic and diluted reconciliation

The following table sets forth the reconciliations of net income and weighted average shares used for purposes of calculating the basic and diluted net income per common share for the periods indicated:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
In thousands	2018		2017		2018		2017
Numerator
Net income – basic	$	30,222	$	14,399	$	69,800	$	35,929
Effect of potentially dilutive securities
Interest on convertible senior notes	130		—		539		—
Net income – diluted	$	30,352	$	14,399	$	70,339	$	35,929
Denominator
Weighted average common shares outstanding – basic	433,467		389,904		413,217		389,652
Effect of potentially dilutive securities
Restricted stock and performance-based equity awards	8,586		1,923		6,877		2,762
Convertible senior notes	15,112		—		34,372		—
Weighted average common shares outstanding – diluted	457,165		391,827		454,466		392,414

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following securities could potentially dilute earnings per share in the future, but were excluded from the computation of diluted net income per share, as their effect would have been antidilutive:

	Three Months Ended		Six Months Ended
	June 30,		June 30,
In thousands	2018	2017	2018	2017
Stock appreciation rights	2,827	4,785	2,891	4,914
Restricted stock and performance-based equity awards	179	7,655	305	4,442

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Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table summarizes our revenues by product type for the three and six months endedJune 30, 2018 and 2017:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
In thousands	2018		2017		2018		2017
Oil sales	$	373,286	$	248,317	$	710,692	$	512,291
Natural gas sales	2,279		2,563		4,894		4,767
CO2 sales and transportation fees	6,715		6,555		14,267		11,943
Total revenues	$	382,280	$	257,435	$	729,853	$	529,001

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Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Components of Long-Term Debt

The table below reflects long-term debt and capital lease obligations outstanding as of the dates indicated:

	June 30,			December 31,
In thousands	2018			2017
Senior Secured Bank Credit Agreement	$	415,000		$	475,000
9% Senior Secured Second Lien Notes due 2021	614,919			614,919
9¼% Senior Secured Second Lien Notes due 2022	455,668			381,568
3½% Convertible Senior Notes due 2024	—			84,650
6⅜% Senior Subordinated Notes due 2021	203,545			215,144
5½% Senior Subordinated Notes due 2022	314,662			408,882
4⅝% Senior Subordinated Notes due 2023	307,978			376,501
Pipeline financings	186,525			192,429
Capital lease obligations	15,906			26,298
Total debt principal balance	2,514,203			2,775,391
Future interest payable(1)	292,591			316,818
Debt issuance costs	(5,812		)	(7,935		)
Total debt, net of debt issuance costs	2,800,982			3,084,274
Less: current maturities of long-term debt(1)	(111,335		)	(105,188		)
Long-term debt and capital lease obligations	$	2,689,647		$	2,979,086

(1) Future interest payable represents most of the interest due over the terms of our 9% Senior Secured Second Lien Notes due 2021 (the “2021 Senior Secured Notes”), 9¼% Senior Secured Second Lien Notes due 2022 (the “2022 Senior Secured Notes”), and to a lesser extent our previously outstanding 3½% Convertible Senior Notes due 2024 (the “2024 Convertible Senior Notes”) and has been accounted for as debt in accordance with FASC 470-60, Troubled Debt Restructuring by Debtors. Our current maturities of long-term debt as of June 30, 2018 include $84.9 million of future interest payable related to the 2021 Senior Secured Notes and 2022 Senior Secured Notes that is due within the next twelve months. See January 2018 Note Exchanges below for further discussion.

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Commodity Derivative Contracts (Tables)

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Commodity derivative contracts not classified as hedging instruments

The following table summarizes our commodity derivative contracts as of June 30, 2018, none of which are classified as hedging instruments in accordance with the FASC Derivatives and Hedging topic:

Months	Index Price	Volume (Barrels per day)	Contract Prices ($/Bbl)
			Range(1)				Weighted Average Price
							Swap		Sold Put		Floor		Ceiling
Oil Contracts:
2018 Fixed-Price Swaps
July – Dec	NYMEX	20,500	$	50.00	–	56.65	$	51.69	$	—	$	—	$	—
July – Dec	Argus LLS	5,000		60.10	–	60.25	60.18		—		—		—
2018 Three-Way Collars(2)
July – Dec	NYMEX	15,000	$	45.00	–	56.60	$	—	$	36.50	$	46.50	$	53.88
2019 Fixed-Price Swaps
Jan – June	NYMEX	3,500	$	59.00	–	59.10	$	59.05	$	—	$	—	$	—
2019 Three-Way Collars(2)
Jan – June	NYMEX	16,500	$	55.00	–	75.45	$	—	$	48.45	$	56.45	$	69.88
July – Dec	NYMEX	20,000		55.00	–	75.45	—		48.20		56.20		69.04
Jan – Dec	Argus LLS	3,000		62.00	–	78.90	—		54.00		62.00		78.50

(1) Ranges presented for fixed-price swaps represent the lowest and highest fixed prices of all open contracts for the period presented. For three-way collars, ranges represent the lowest floor price and highest ceiling price for all open contracts for the period presented.

(2) A three-way collar is a costless collar contract combined with a sold put feature (at a lower price) with the same counterparty. The value received for the sold put is used to enhance the contracted floor and ceiling price of the related collar. At the contract settlement date, (1) if the index price is higher than the ceiling price, we pay the counterparty the difference between the index price and ceiling price for the contracted volumes, (2) if the index price is between the floor and ceiling price, no settlements occur, (3) if the index price is lower than the floor price but at or above the sold put price, the counterparty pays us the difference between the index price and the floor price for the contracted volumes and (4) if the index price is lower than the sold put price, the counterparty pays us the difference between the floor price and the sold put price for the contracted volumes.

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair value hierarchy of financial assets and liabilities

The following table sets forth, by level within the fair value hierarchy, our financial assets and liabilities that were accounted for at fair value on a recurring basis as of the periods indicated:

	Fair Value Measurements Using:
In thousands	Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)			Total
June 30, 2018
Liabilities
Oil derivative contracts – current	$	—	$	(144,554	)	$	(700	)	$	(145,254	)
Oil derivative contracts – long-term	—		(10,236		)	(468		)	(10,704		)
Total Liabilities	$	—	$	(154,790	)	$	(1,168	)	$	(155,958	)
December 31, 2017
Liabilities
Oil derivative contracts – current	$	—	$	(99,061	)	$	—		$	(99,061	)
Total Liabilities	$	—	$	(99,061	)	$	—		$	(99,061	)

Changes in fair value of Level 3 assets and liabilities

The following table summarizes the changes in the fair value of our Level 3 assets and liabilities for the three and six months endedJune 30, 2018 and 2017:

	Three Months Ended					Six Months Ended
	June 30,					June 30,
In thousands	2018			2017		2018			2017
Fair value of Level 3 instruments, beginning of period	$	—		$	91	$	—		$	(526	)
Fair value gains (losses) on commodity derivatives	(1,168		)	8		(1,168		)	625
Fair value of Level 3 instruments, end of period	$	(1,168	)	$	99	$	(1,168	)	$	99
The amount of total gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets or liabilities still held at the reporting date	$	(1,168	)	$	8	$	(1,168	)	$	245

Qualitative valuation techniques for assets and liabilities measured on a recurring basis (Level 3)

The following table details fair value inputs related to implied volatilities utilized in the valuation of our Level 3 oil derivative contracts:

	Fair Value at 6/30/2018 (in thousands)			Valuation Technique	Unobservable Input	Volatility Range
Oil derivative contracts	$	(1,168	)	Discounted cash flow / Black-Scholes	Volatility of Light Louisiana Sweet for settlement periods beginning after June 30, 2018	22.3% – 29.2%

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Basis of Presentation Basis of Presentation (Cash, Cash Equivalents, and Restricted Cash) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	$ 116	$ 58
Restricted cash included in Other assets	41,506	40,556	$ 40,200	$ 39,300
Total cash, cash equivalents, and restricted cash shown in the unaudited condensed consolidated statement of cash flows	$ 41,622	$ 40,614	$ 43,662	$ 40,905

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Basis of Presentation (Reconciliation of Weighted Average Shares Table) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Numerator
Net income - basic	$ 30,222	$ 14,399	$ 69,800	$ 35,929
Interest on convertible senior notes	130	0	539	0
Net income - diluted	$ 30,352	$ 14,399	$ 70,339	$ 35,929
Denominator
Weighted average common shares outstanding - basic	433,467	389,904	413,217	389,652
Restricted stock and performance-based equity awards	8,586	1,923	6,877	2,762
Convertible senior notes	15,112	0	34,372	0
Weighted average common shares outstanding - diluted	457,165	391,827	454,466	392,414

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Basis of Presentation (Antidilutive Securities) (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Stock appreciation rights
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2,827	4,785	2,891	4,914
Restricted stock and performance-based equity awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	179	7,655	305	4,442

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Basis of Presentation Basis of Presentation (Details Textuals) - USD ($) $ in Thousands, shares in Millions	2 Months Ended
	May 31, 2018	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Accounting Policies [Abstract]
Restricted cash		$ 41,506	$ 40,556	$ 40,200	$ 39,300
Debt Conversion, Converted Instrument, Shares Issued	55.2

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Revenue Recognition (Disaggregation of Revenue) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Revenues and other income	$ 382,280,000	$ 257,435,000	$ 729,853,000	$ 529,001,000
Oil sales
Disaggregation of Revenue [Line Items]
Revenues and other income	373,286,000	248,317,000	710,692,000	512,291,000
Natural gas sales
Disaggregation of Revenue [Line Items]
Revenues and other income	2,279,000	2,563,000	4,894,000	4,767,000
CO2 sales and transportation fees
Disaggregation of Revenue [Line Items]
Revenues and other income	$ 6,715,000	$ 6,555,000	$ 14,267,000	$ 11,943,000

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Revenue Recognition (Details Textuals) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Revenue from Contract with Customer [Abstract]
Accrued production receivable	$ 163,719	$ 146,334

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Assets Held for Sale (Details Textuals) $ in Millions	Jun. 30, 2018 USD ($)
Assets Held-for-sale, Not Part of Disposal Group [Abstract]
Land available for sale	$ 33.0

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Long-Term Debt (Components of Long-Term Debt) (Details) - USD ($)		Jun. 30, 2018	May 30, 2018	Apr. 18, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Senior Secured Bank Credit Agreement		$ 415,000,000			$ 475,000,000
Pipeline financings		186,525,000			192,429,000
Capital lease obligations		15,906,000			26,298,000
Total debt principal balance		2,514,203,000			2,775,391,000
Future interest payable	[1]	292,591,000			316,818,000
Debt issuance costs		(5,812,000)			(7,935,000)
Total debt, net of debt issuance costs		2,800,982,000			3,084,274,000
Less: current maturities of long-term debt	[1]	(111,335,000)			(105,188,000)
Long-term Debt and Capital Lease Obligations		2,689,647,000			2,979,086,000
Secured Debt | 9% Senior Secured Second Lien Notes Due 2021
Debt Instrument [Line Items]
Senior Secured Second Lien Notes		$ 614,919,000			614,919,000
Debt Instrument, Interest Rate, Stated Percentage		9.00%
Secured Debt | 9 1/4% Senior Secured Second Lien Notes Due 2022
Debt Instrument [Line Items]
Senior Secured Second Lien Notes		$ 455,668,000			381,568,000
Debt Instrument, Interest Rate, Stated Percentage		9.25%
Convertible Debt | 3 1/2% Convertible Senior Notes Due 2024
Debt Instrument [Line Items]
Convertible Senior Notes		$ 0		$ 0	84,650,000
Debt Instrument, Interest Rate, Stated Percentage		3.50%
Convertible Debt | 5% Convertible Senior Notes Due 2023
Debt Instrument [Line Items]
Convertible Senior Notes			$ 0
Senior Subordinated Notes | 6 3/8% Senior Subordinated Notes due 2021
Debt Instrument [Line Items]
Senior Subordinated Notes		$ 203,545,000			215,144,000
Debt Instrument, Interest Rate, Stated Percentage		6.375%
Senior Subordinated Notes | 5 1/2% Senior Subordinated Notes due 2022
Debt Instrument [Line Items]
Senior Subordinated Notes		$ 314,662,000			408,882,000
Debt Instrument, Interest Rate, Stated Percentage		5.50%
Senior Subordinated Notes | 4 5/8% Senior Subordinated Notes due 2023
Debt Instrument [Line Items]
Senior Subordinated Notes		$ 307,978,000			376,501,000
Debt Instrument, Interest Rate, Stated Percentage		4.625%
Future interest payable on senior secured and convertible senior notes
Debt Instrument [Line Items]
Less: current maturities of long-term debt		$ (84,932,000)			(75,347,000)
Long-term Debt and Capital Lease Obligations		$ 207,659,000			$ 241,472,000

[1] Future interest payable represents most of the interest due over the terms of our 9% Senior Secured Second Lien Notes due 2021 (the “2021 Senior Secured Notes”), 9¼% Senior Secured Second Lien Notes due 2022 (the “2022 Senior Secured Notes”), and to a lesser extent our previously outstanding 3½% Convertible Senior Notes due 2024 (the “2024 Convertible Senior Notes”) and has been accounted for as debt in accordance with FASC 470-60, Troubled Debt Restructuring by Debtors. Our current maturities of long-term debt as of June 30, 2018 include $84.9 million of future interest payable related to the 2021 Senior Secured Notes and 2022 Senior Secured Notes that is due within the next twelve months. See January 2018 Note Exchanges below for further discussion.

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Long-Term Debt (Details Textuals)		1 Months Ended	3 Months Ended	6 Months Ended
		Jan. 31, 2018 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2018 USD ($) shares	May 30, 2018 USD ($)	Apr. 18, 2018 USD ($)	Dec. 31, 2017 USD ($)
Long Term Debt (Textuals) [Abstract]
Interest in guarantor subsidiaries			100.00%	100.00%
Extinguishment of Debt, Amount		$ 40,800,000
Future Interest Payable on Senior Secured Notes And Convertible Notes	[1]		$ 292,591,000	$ 292,591,000			$ 316,818,000
Senior Secured Bank Credit Facility [Abstract]
Line of Credit, Borrowing Base			1,050,000,000.00	1,050,000,000.00
Line of Credit Facility, Current Borrowing Capacity			$ 1,050,000,000.00	$ 1,050,000,000.00
Weighted average interest rate on Bank Credit Facility			4.70%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage				0.50%
Senior Secured Debt to Consolidated EBITDAX			2.5
Consolidated EBITDAX to Consolidated Interest Charges				1.25
Current Ratio Requirement				1.0
Convertible Debt [Abstract]
Stock Issued During Period, Value, New Issues				$ 162,050,000
Common Stock [Member]
Convertible Debt [Abstract]
Issued pursuant to notes conversion, shares | shares				55,249,999
Stock Issued During Period, Value, New Issues				$ 55,000
Senior Subordinated Notes
Long Term Debt (Textuals) [Abstract]
Debt Exchange, Amount		174,300,000
Senior Subordinated Notes | 6 3/8% Senior Subordinated Notes due 2021
Long Term Debt (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage			6.375%	6.375%
Debt Exchange, Amount		11,600,000
Senior Subordinated Notes | 5 1/2% Senior Subordinated Notes due 2022
Long Term Debt (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage			5.50%	5.50%
Debt Exchange, Amount		94,200,000
Senior Subordinated Notes | 4 5/8% Senior Subordinated Notes due 2023
Long Term Debt (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage			4.625%	4.625%
Debt Exchange, Amount		68,500,000
Secured Debt | 9 1/4% Senior Secured Second Lien Notes Due 2022
Long Term Debt (Textuals) [Abstract]
Face value of notes		74,100,000					381,600,000
Secured Debt			$ 455,668,000	$ 455,668,000			381,568,000
Debt Instrument, Interest Rate, Stated Percentage			9.25%	9.25%
Secured Debt | Debt Instrument, Redemption, Period One | 9 1/4% Senior Secured Second Lien Notes Due 2022
Long Term Debt (Textuals) [Abstract]
Debt Instrument, Redemption Price, Percentage			109.25%
Secured Debt | Initial Redemption Period With Proceeds From Equity Offering Member | 9 1/4% Senior Secured Second Lien Notes Due 2022
Long Term Debt (Textuals) [Abstract]
Debt Instrument, Redemption Price, Percentage			109.25%
Debt Instrument, Percentage of Principal Amount Available To Be Redeemed			35.00%
Secured Debt | Initial Redemption Period With Make Whole Premium | 9 1/4% Senior Secured Second Lien Notes Due 2022
Long Term Debt (Textuals) [Abstract]
Debt Instrument, Redemption Price, Percentage			100.00%
Convertible Debt | 5% Convertible Senior Notes Due 2023
Long Term Debt (Textuals) [Abstract]
Face value of notes		$ 59,400,000
Convertible Debt [Abstract]
Debt Conversion, Original Debt, Amount			$ 59,400,000
Convertible Debt					$ 0
Convertible Debt | 3 1/2% Convertible Senior Notes Due 2024
Long Term Debt (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage			3.50%	3.50%
Convertible Debt [Abstract]
Debt Conversion, Original Debt, Amount			$ 84,700,000
Convertible Debt			0	$ 0		$ 0	$ 84,650,000
Notes Exchange
Long Term Debt (Textuals) [Abstract]
Future Interest Payable on Senior Secured Notes And Convertible Notes			22,100,000	22,100,000
Interest Payable			$ 3,600,000	$ 3,600,000

[1] Future interest payable represents most of the interest due over the terms of our 9% Senior Secured Second Lien Notes due 2021 (the “2021 Senior Secured Notes”), 9¼% Senior Secured Second Lien Notes due 2022 (the “2022 Senior Secured Notes”), and to a lesser extent our previously outstanding 3½% Convertible Senior Notes due 2024 (the “2024 Convertible Senior Notes”) and has been accounted for as debt in accordance with FASC 470-60, Troubled Debt Restructuring by Debtors. Our current maturities of long-term debt as of June 30, 2018 include $84.9 million of future interest payable related to the 2021 Senior Secured Notes and 2022 Senior Secured Notes that is due within the next twelve months. See January 2018 Note Exchanges below for further discussion.

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Commodity Derivative Contracts (Commodity Derivatives Outstanding Table) (Details)	Jun. 30, 2018 bbl / d $ / Barrel
Swap | Year 2018 | Q3-Q4 | NYMEX
Derivative [Line Items]
Volume per day | bbl / d	20,500
Weighted average swap price	51.69
Swap | Year 2018 | Q3-Q4 | NYMEX | Minimum
Derivative [Line Items]
Derivative, Swap Type, Fixed Price	50.00
Swap | Year 2018 | Q3-Q4 | NYMEX | Maximum
Derivative [Line Items]
Derivative, Swap Type, Fixed Price	56.65
Swap | Year 2018 | Q3-Q4 | LLS
Derivative [Line Items]
Volume per day | bbl / d	5,000
Weighted average swap price	60.18
Swap | Year 2018 | Q3-Q4 | LLS | Minimum
Derivative [Line Items]
Derivative, Swap Type, Fixed Price	60.10
Swap | Year 2018 | Q3-Q4 | LLS | Maximum
Derivative [Line Items]
Derivative, Swap Type, Fixed Price	60.25
Swap | Year 2019 | Q1-Q2 | NYMEX
Derivative [Line Items]
Volume per day | bbl / d	3,500
Weighted average swap price	59.05
Swap | Year 2019 | Q1-Q2 | NYMEX | Minimum
Derivative [Line Items]
Derivative, Swap Type, Fixed Price	59.00
Swap | Year 2019 | Q1-Q2 | NYMEX | Maximum
Derivative [Line Items]
Derivative, Swap Type, Fixed Price	59.10
Three-way Collar | Year 2018 | Q3-Q4 | NYMEX
Derivative [Line Items]
Volume per day | bbl / d	15,000
Derivative, Floor Price	45.00
Derivative, Cap Price	56.60
Weighted average sold put price	36.50
Weighted average floor price	46.50
Weighted average ceiling price	53.88
Three-way Collar | Year 2019 | LLS
Derivative [Line Items]
Volume per day | bbl / d	3,000
Derivative, Floor Price	62.00
Derivative, Cap Price	78.90
Weighted average sold put price	54.00
Weighted average floor price	62.00
Weighted average ceiling price	78.50
Three-way Collar | Year 2019 | Q1-Q2 | NYMEX
Derivative [Line Items]
Volume per day | bbl / d	16,500
Derivative, Floor Price	55.00
Derivative, Cap Price	75.45
Weighted average sold put price	48.45
Weighted average floor price	56.45
Weighted average ceiling price	69.88
Three-way Collar | Year 2019 | Q3-Q4 | NYMEX
Derivative [Line Items]
Volume per day | bbl / d	20,000
Derivative, Floor Price	55.00
Derivative, Cap Price	75.45
Weighted average sold put price	48.20
Weighted average floor price	56.20
Weighted average ceiling price	69.04

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Fair Value Measurements (Fair Value Hierarchy Table) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Oil derivative contracts - current liability	$ (145,254)	$ (99,061)
Oil derivative contracts - long-term liabilities	(10,704)	0
Total Liabilities	(155,958)	(99,061)
Quoted Prices in Active Markets (Level 1)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Oil derivative contracts - current liability	0	0
Oil derivative contracts - long-term liabilities	0
Total Liabilities	0	0
Significant Other Observable Inputs (Level 2)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Oil derivative contracts - current liability	(144,554)	(99,061)
Oil derivative contracts - long-term liabilities	(10,236)
Total Liabilities	(154,790)	(99,061)
Significant Unobservable Inputs (Level 3)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Oil derivative contracts - current liability	(700)	0
Oil derivative contracts - long-term liabilities	(468)
Total Liabilities	$ (1,168)	$ 0

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Fair Value Measurements (Level 3 Fair Value Measurements) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Fair value of Level 3 instruments, beginning of period	$ 0	$ 91	$ 0	$ (526)
Fair value gains on commodity derivatives	(1,168)	8	(1,168)	625
Fair value of Level 3 instruments, end of period	(1,168)	99	(1,168)	99
The amount of total gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets or liabilities still held at the reporting date	$ (1,168)	$ 8	$ (1,168)	$ 245

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Fair Value Measurements Fair Value Measurements (Level 3 Valuation Techniques) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Fair Value Measurements, Recurring and nonrecurring, Valuation Techniques [Line Items]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs	$ (1,168)	$ 0	$ 0	$ 99	$ 91	$ (526)
Income Approach Valuation Technique
Fair Value Measurements, Recurring and nonrecurring, Valuation Techniques [Line Items]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs	$ (1,168)
Income Approach Valuation Technique | Minimum
Fair Value Measurements, Recurring and nonrecurring, Valuation Techniques [Line Items]
Expected Volatility Range	22.30%
Income Approach Valuation Technique | Maximum
Fair Value Measurements, Recurring and nonrecurring, Valuation Techniques [Line Items]
Expected Volatility Range	29.20%

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Fair Value Measurements (Details Textuals) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value Disclosures [Abstract]
Sensitivity Analysis of Fair Value, Impact of 100 Basis Point Increase or Decrease in Level 3 Inputs	$ 225
Debt, Fair Value	$ 2,299,100	$ 2,260,600

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Commitments and Contingencies (Details) - Helium Supply Arrangement [Member] $ in Millions	3 Months Ended
	Jun. 30, 2018 USD ($)
Long-term Purchase Commitment [Line Items]
Term of Long Term Supply Arrangement	20 years
Maximum Annual Payment In Event Of Shortfall	$ 8.0
Maximum Payment In Event Of Shortfall	$ 46.0

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Subsequent Event (Details Textuals) - Subsequent Event	Jul. 16, 2018 $ / shares Rate shares
Subsequent Event [Line Items]
Restricted stock granted | shares	4,390,002
Value (per share) of restricted stock grant | $ / shares	$ 4.64
Equity award vesting percentage | Rate	33.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years