10-Q

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
(Mark One)
Q	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended June 30, 2012
OR
¨	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from ________________ to ______________
Commission File Number:  001-14273
CORE LABORATORIES N.V.
(Exact name of registrant as specified in its charter)
The Netherlands		Not Applicable
(State of other jurisdiction of		(I.R.S. Employer Identification No.)
incorporation or organization)
Herengracht 424
1017 BZ Amsterdam
The Netherlands		Not Applicable
(Address of principal executive offices)		(Zip Code)
(31-20) 420-3191
(Registrant's telephone number, including area code)
None
(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 Q  No ¨

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

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

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act)

Yes ¨  No Q

The number of common shares of the registrant, par value EUR 0.02 per share, outstanding at July 19, 2012 was 47,306,751.

CORE LABORATORIES N.V.
FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2012
INDEX
PART I - FINANCIAL INFORMATION
		Page
Item 1.	Financial Statements
	Consolidated Balance Sheets (Unaudited) at June 30, 2012 and December 31, 2011	1
	Consolidated Statements of Operations (Unaudited) for the Three Months Ended June 30, 2012 and 2011	2
	Consolidated Statements of Operations (Unaudited) for the Six Months Ended June 30, 2012 and 2011	3
	Consolidated Statements of Comprehensive Income (Unaudited) for the Three and Six Months Ended June 30, 2012 and 2011	3
	Consolidated Statements of Cash Flows (Unaudited) for the Six Months Ended June 30, 2012 and 2011	5
	Notes to the Unaudited Consolidated Interim Financial Statements	6
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	15
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	25
Item 4.	Controls and Procedures	25
PART II - OTHER INFORMATION
Item 1.	Legal Proceedings	26
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	26
Item 6.	Exhibits	27
	Signature	28

PART I - FINANCIAL INFORMATION

Item 1. Financial Statements

CORE LABORATORIES N.V.

CONSOLIDATED BALANCE SHEETS

(In thousands, except share and per share data)

	June 30, 2012			December 31, 2011
ASSETS	(Unaudited)
CURRENT ASSETS:
Cash and cash equivalents	$	23,408		$	29,332
Accounts receivable, net of allowance for doubtful accounts of $4,117 and $3,762 at 2012 and 2011, respectively	170,707			170,805
Inventories	58,181			53,214
Prepaid expenses and other current assets	39,141			33,197
TOTAL CURRENT ASSETS	291,437			286,548
PROPERTY, PLANT AND EQUIPMENT, net	118,665			115,295
INTANGIBLES, net	8,335			8,221
GOODWILL	163,337			162,787
DEFERRED TAX ASSETS, net	13,920			13,662
OTHER ASSETS	26,979			24,360
TOTAL ASSETS	$	622,673		$	610,873
LIABILITIES AND EQUITY
CURRENT LIABILITIES:
Accounts payable	$	51,280		$	57,639
Accrued payroll and related costs	26,188			34,028
Taxes other than payroll and income	8,833			8,566
Unearned revenue	18,334			19,154
Income tax payable	3,814			6,527
Short-term debt and capital lease obligations	623			2,344
Other accrued expenses	17,105			14,937
TOTAL CURRENT LIABILITIES	126,177			143,195
LONG-TERM DEBT AND CAPITAL LEASE OBLIGATIONS	206,053			223,075
DEFERRED COMPENSATION	26,384			24,117
DEFERRED TAX LIABILITIES, net	5,798			5,531
OTHER LONG-TERM LIABILITIES	34,108			33,300
COMMITMENTS AND CONTINGENCIES (Note 6)
EQUITY:
Preference shares, EUR 0.02 par value; 6,000,000 shares authorized, none issued or outstanding	—			—
Common shares, EUR 0.02 par value; 200,000,000 shares authorized, 49,037,808 issued and 47,366,753 outstanding at 2012 and 49,037,806 issued and 47,629,472 outstanding at 2011	1,376			1,376
Additional paid-in capital	5,908			2,012
Retained earnings	363,903			283,660
Accumulated other comprehensive income (loss)	(1,712		)	(1,739		)
Treasury shares (at cost), 1,671,055 at 2012 and 1,408,334 at 2011	(149,088		)	(107,406		)
Total Core Laboratories N.V. shareholders' equity	220,387			177,903
Non-controlling interests	3,766			3,752
TOTAL EQUITY	224,153			181,655
TOTAL LIABILITIES AND EQUITY	$	622,673		$	610,873

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

1

CORE LABORATORIES N.V.

CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share data)

	Three Months Ended
	June 30,
	2012		2011
	(Unaudited)
REVENUE:
Services	$	175,749	$	156,841
Product sales	71,257		68,944
Total revenue	247,006		225,785
OPERATING EXPENSES:
Cost of services, exclusive of depreciation expense shown below	103,926		102,651
Cost of product sales, exclusive of depreciation expense shown below	52,454		49,622
General and administrative expenses, exclusive of depreciation expense shown below	10,205		9,757
Depreciation	4,788		5,507
Amortization	289		298
Other (income) expense, net	3,218		147
OPERATING INCOME	72,126		57,803
Loss on exchange of Senior Exchangeable Notes	—		210
Interest expense	2,178		2,499
Income before income tax expense	69,948		55,094
Income tax expense	16,997		14,710
Net income	52,951		40,384
Net income (loss) attributable to non-controlling interests	35		(67		)
Net income attributable to Core Laboratories N.V.	$	52,916	$	40,451
EARNINGS PER SHARE INFORMATION:
Basic earnings per share attributable to Core Laboratories N.V.	$	1.11	$	0.88
Diluted earnings per share attributable to Core Laboratories N.V.	$	1.11	$	0.83
Cash dividends per share	$	0.28	$	0.25
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic	47,473		45,945
Diluted	47,791		48,662

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

2

CORE LABORATORIES N.V.

CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share data)

	Six Months Ended
	June 30,
	2012			2011
	(Unaudited)
REVENUE:
Services	$	338,418		$	298,333
Product sales	142,779			134,185
Total revenue	481,197			432,518
OPERATING EXPENSES:
Cost of services, exclusive of depreciation expense shown below	201,936			195,342
Cost of product sales, exclusive of depreciation expense shown below	103,584			93,681
General and administrative expenses, exclusive of depreciation expense shown below	20,379			19,281
Depreciation	10,384			11,047
Amortization	576			589
Other (income) expense, net	(1,694		)	(1,724		)
OPERATING INCOME	146,032			114,302
Loss on exchange of Senior Exchangeable Notes	—			839
Interest expense	4,368			4,859
Income before income tax expense	141,664			108,604
Income tax expense	34,783			22,228
Net income	106,881			86,376
Net income (loss) attributable to non-controlling interests	14			(365		)
Net income attributable to Core Laboratories N.V.	$	106,867		$	86,741
EARNINGS PER SHARE INFORMATION:
Basic earnings per share attributable to Core Laboratories N.V.	$	2.25		$	1.90
Diluted earnings per share attributable to Core Laboratories N.V.	$	2.23		$	1.77
Cash dividends per share	$	0.56		$	0.50
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic	47,539			45,587
Diluted	47,868			48,942

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

3

CORE LABORATORIES N.V.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In thousands)

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
Net income	$	52,951		$	40,384		$	106,881		$	86,376
Pension and other postretirement benefit plans
Prior service cost
Amortization to net income of transition asset	(22		)	(22		)	(44		)	(44		)
Amortization to net income of prior service cost	40			40			80			80
Amortization to net income of net loss	—			84			—			168
Income taxes on pension and other postretirement benefit plans	(5		)	(26		)	(9		)	(52		)
Comprehensive income	52,964			40,460			106,908			86,528
Comprehensive income (loss) attributable to non-controlling interests	35			(67		)	14			(365		)
Comprehensive income attributable to Core Laboratories N.V.	$	52,929		$	40,527		$	106,894		$	86,893

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

4

CORE LABORATORIES N.V.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

	Six Months Ended
	June 30,
	2012			2011
	(Unaudited)
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	106,881		$	86,376
Adjustments to reconcile net income to net cash provided by operating activities:
Net (recovery) provision for doubtful accounts	697			40
Provisions for inventory obsolescence	193			357
Equity in earnings of affiliates	(247		)	(117		)
Stock-based compensation	8,903			5,923
Depreciation and amortization	10,960			11,636
Non-cash interest expense	240			4,144
(Gain) loss on sale of assets	(313		)	(138		)
(Gain) on insurance recovery	(101		)	(779		)
Loss on exchange of Senior Exchangeable Notes	—			839
Realization of pension obligation	27			152
(Increase) decrease in value of life insurance policies	(622		)	(685		)
Deferred income taxes	(1,835		)	(10,735		)
Changes in assets and liabilities:
Accounts receivable	(2,787		)	(5,627		)
Inventories	(5,160		)	(8,886		)
Prepaid expenses and other current assets	(3,489		)	1,055
Other assets	(695		)	(623		)
Accounts payable	(5,285		)	8,639
Accrued expenses	(8,728		)	(4,729		)
Unearned revenue	(820		)	2,649
Other long-term liabilities	3,075			8,463
Net cash provided by operating activities	100,894			97,954
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(14,894		)	(11,984		)
Patents and other intangibles	(684		)	(132		)
Business acquisitions, net of cash acquired	(556		)	—
Cash (advanced)/settled for acquisition	2,188			—
Proceeds from sale of assets	379			171
Proceeds from insurance recovery	101			884
Premiums on life insurance	(1,288		)	(1,243		)
Net cash used in investing activities	(14,754		)	(12,304		)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of debt	(48,744		)	(64,477		)
Proceeds from debt	30,000			—
Stock options exercised	5			241
Excess tax benefits from stock-based compensation	3,466			2,289
Debt financing costs	(7		)	(1,094		)
Settlement of warrants	—			(57,777		)
Non-controlling interests - contributions	—			895
Non-controlling interests - dividends	—			(240		)
Dividends paid	(26,624		)	(22,709		)
Repurchase of common shares	(50,160		)	(52,097		)
Net cash used in financing activities	(92,064		)	(194,969		)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(5,924		)	(109,319		)
CASH AND CASH EQUIVALENTS, beginning of period	29,332			133,880
CASH AND CASH EQUIVALENTS, end of period	$	23,408		$	24,561

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

5

CORE LABORATORIES N.V.

NOTES TO THE UNAUDITED CONSOLIDATED INTERIM FINANCIAL STATEMENTS

1.  BASIS OF PRESENTATION

The accompanying unaudited consolidated financial statements include the accounts of Core Laboratories N.V. and its subsidiaries for which we have a controlling voting interest and/or a controlling financial interest. These financial statements have been prepared in accordance with United States ("U.S.") generally accepted accounting principles ("GAAP") for interim financial information using the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, these financial statements do not include all of the information and footnote disclosures required by U.S. GAAP and should be read in conjunction with the financial statements and the summary of significant accounting policies and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2011.

Core Laboratories N.V. uses the equity method of accounting for investments in which it has less than a majority interest and over which it does not exercise control. Non-controlling interests have been recorded to reflect outside ownership attributable to consolidated subsidiaries that are less than 100% owned.  In the opinion of management, all adjustments considered necessary for the periods presented have been included in these financial statements.  Furthermore, the operating results presented for the three and six months ended June 30, 2012 may not necessarily be indicative of the results that may be expected for the year ended December 31, 2012.

Core Laboratories N.V.'s balance sheet information for the year ended December 31, 2011 was derived from the 2011 audited consolidated financial statements but does not include all disclosures in accordance with U.S. GAAP.

Certain reclassifications were made to prior period amounts in order to conform to the current period presentation.  These reclassifications had no impact on the reported net income for the three and six month periods ended June 30, 2011.

Additionally, revision adjustments were made between Services Revenue and Product Sales Revenue and between Cost of Services and Cost of Product Sales in the Consolidated Statement of Operations for 2011 which did not affect total revenues, operating income or net income for the period.

References to "Core Lab", "we", "our" and similar phrases are used throughout this Quarterly Report on Form 10-Q and relate collectively to Core Laboratories N.V. and its consolidated subsidiaries.

2.  INVENTORIES

Inventories consist of the following (in thousands):

	June 30, 2012		March 31, 2012		December 31, 2011
	(Unaudited)		(Unaudited)
Finished goods	$	40,768	$	39,233	$	32,604
Parts and materials	15,410		15,934		18,004
Work in progress	2,003		2,952		2,606
Total inventories	$	58,181	$	58,119	$	53,214

We include freight costs incurred for shipping inventory to customers in the Cost of Sales line of the Consolidated Statements of Operations.

3. GOODWILL AND INTANGIBLES

We account for intangible assets with indefinite lives, including goodwill, in accordance with the applicable accounting guidance, which requires us to evaluate these assets for impairment annually, or more frequently if an indication of impairment has occurred.  Based upon our most recent evaluation, we determined that goodwill is not impaired.  We amortize intangible assets with a defined term on a straight-line basis over their respective useful lives.

In 2011, we acquired a business providing additional manufacturing capacity for our Canadian operations for $18.8 million in cash. We have accounted for this acquisition by allocating the purchase price to the net assets acquired based on their

6

estimated fair values at the date of acquisition, resulting in an increase to goodwill of $8.6 million and an increase of $0.5 million in intangible assets. In 2012, a post-closing adjustment was recorded that increased the acquisition and goodwill by $0.6 million. The acquisition was recorded in the Production Enhancement business segment.

4.  DEBT AND CAPITAL LEASE OBLIGATIONS

Debt is summarized in the following table (in thousands):

	June 30, 2012		December 31, 2011
	(Unaudited)
Senior notes	150,000		150,000
Credit facility	56,000		73,000
Capital lease obligations	102		132
Other indebtedness	574		2,287
Total debt	206,676		225,419
Less - current maturities of long-term debt and capital lease obligations	623		2,344
Long-term debt and capital lease obligations, net	$	206,053	$	223,075

In 2011, we issued two series of senior notes with an aggregate principal amount of $150 million ("Senior Notes") in a private placement transaction. Series A consists of $75 million in aggregate principal amount of notes that bear interest at a fixed rate of 4.01% and are due in full on September 30, 2021. Series B consists of $75 million in aggregate principal amount of notes that bear interest at a fixed rate of 4.11% and are due in full on September 30, 2023. Interest on each series of the Senior Notes is payable semi-annually on March 30 and September 30.

We maintain a credit facility (the "Credit Facility") with an aggregate borrowing capacity of $300 million at June 30, 2012. The Credit Facility provides an option to increase the commitment under the Credit Facility to $350 million, if certain conditions are met.  The Credit Facility bears interest at variable rates from LIBOR plus 1.50% to a maximum of LIBOR plus 2.25%.  Any outstanding balance under the Credit Facility is due September 28, 2016 when the Credit Facility matures. Interest payment terms are variable depending upon the specific type of borrowing under this facility. Our available capacity at any point in time is reduced by borrowings outstanding at the time and outstanding letters of credit and performance guarantees and bonds which totaled $16.0 million at June 30, 2012, resulting in an available borrowing capacity under the Credit Facility of $228.0 million.  In addition to those items under the Credit Facility, we had $24.9 million of outstanding letters of credit and performance guarantees and bonds from other sources as of June 30, 2012.

The terms of the Credit Facility and the Senior Notes require us to meet certain financial and operational covenants, including, but not limited to, certain operational and minimum equity and cash flow ratios. We were in compliance with all such covenants at June 30, 2012, and expect to remain in compliance for the foreseeable future.  Certain of our material, wholly-owned subsidiaries are guarantors or co-borrowers under the Credit Facility and Senior Notes.

The estimated fair value of total debt at June 30, 2012 and December 31, 2011 approximated the book value of total debt. The fair value was estimated using Level 2 inputs including rates on similar debt recently issued by our peer group.

Other indebtedness includes approximately $0.6 million of debt incurred relating to the financing of our corporate insurance.

5.  PENSIONS AND OTHER POSTRETIREMENT BENEFITS

We provide a noncontributory defined benefit pension plan covering substantially all of our Dutch employees (the "Dutch Plan") who were hired prior to 2007 based on years of service and final pay or career average pay, depending on when the employee began participating. The benefits earned by the employees are immediately vested.  We fund the future obligations of the Dutch Plan by purchasing investment contracts from a large multi-national insurance company.  The investment contracts are purchased annually and expire after five years at which time they are replaced with new contracts that are adjusted to include changes in the benefit obligation for the current year and redemption of the expired contracts.  We determine the fair value of these plan assets with the assistance of an actuary using observable inputs (Level 2).  We make annual premium

7

payments to the insurance company based on each employee's age and current salary.

The following table summarizes the components of net periodic pension cost under this plan for the three and six months ended June 30, 2012 and 2011 (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
Service cost	$	285		$	352		$	572		$	687
Interest cost	425			454			853			886
Expected return on plan assets	(304		)	(211		)	(610		)	(412		)
Amortization of transition asset	(22		)	(22		)	(44		)	(44		)
Amortization of prior service cost	40			40			80			80
Amortization of net loss	—			84			—			168
Net periodic pension cost	$	424		$	697		$	851		$	1,365

During the six months ended June 30, 2012, we contributed approximately $1.6 million, as determined by the insurance company, to fund the estimated 2012 premiums on investment contracts held by the Dutch Plan.

We have adopted a non-qualified deferred compensation plan that allows certain highly compensated employees to defer a portion of their salary, commission and bonus, as well as the amount of any reductions in their deferrals under the deferred compensation plan for employees in the United States (the "Deferred Compensation Plan"), due to certain limitations imposed by the U.S. Internal Revenue Code of 1986, as amended (the "Internal Revenue Code").  The Deferred Compensation Plan also provides for employer contributions to be made on behalf of participants equal in amount to certain forfeitures of, and/or reductions in, employer contributions that participants could have received under the 401(k) Plan in the absence of certain limitations imposed by the Internal Revenue Code. Employer contributions to the Deferred Compensation Plan vest ratably over a period of five years. Contributions to the plan are invested in equity and other investment fund assets within life insurance policies, and carried on the balance sheet at fair value. A participant's plan benefits include the participant's deferrals, the vested portion of the employer's contributions, and deemed investment gains and losses on such amounts. The benefits under these contracts are fully vested and payment of benefits generally commences as of the last day of the month following the termination of services except that the payment of benefits for select executives generally commences on the first working day following a six month waiting period following the date of termination.

On a recurring basis, we use the market approach to value certain assets and liabilities at fair value at quoted prices in an active market (Level 1) and certain assets and liabilities using significant other observable inputs (Level 2). We do not have any assets or liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3). Gains and losses related to the fair value changes in the deferred compensation assets and liabilities are recorded in General and Administrative Expenses in the Consolidated Statements of Operations.  The following table summarizes the fair value balances (in thousands):

(Unaudited)			Fair Value Measurement at
			June 30, 2012
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets	$	11,189	$	—	$	11,189	$	—
Liabilities:
Deferred compensation plan	$	17,023	$	3,053	$	13,970	$	—

8

			Fair Value Measurement at
			December 31, 2011
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets	$	9,934	$	—	$	9,934	$	—
Liabilities:
Deferred compensation plan	$	15,141	$	3,086	$	12,055	$	—

6. COMMITMENTS AND CONTINGENCIES

We have been and may from time to time be named as a defendant in legal actions that arise in the ordinary course of business.  These include, but are not limited to, employment-related claims and contractual disputes or claims for personal injury or property damage which occur in connection with the provision of our products and services.  Management does not currently believe that any of our pending contractual, employment-related, personal injury or property damage claims and disputes will have a material effect on our future results of operations, financial position or cash flow.

As a result of a fire in 2011 at one of our supplier's facilities that provided certain high performance specialty steel tubulars used with the Company's perforating systems, we filed a claim under our business interruption insurance policy in the amount of $5 million. During the first six months of 2012, we received notice and payment from the insurer that they agreed with $3.4 million of the claim and will continue reviewing the remainder of the claim. As a result, we recorded a gain of $3.4 million. The claim is still open and any additional amounts agreed to will be recorded as a component of "Other (Income) Expense, Net" in that period.

7.  EQUITY

During the three months ended June 30, 2012, we repurchased 299,104 of our common shares for $37.3 million. Included in this total were rights to 32,311 shares valued at $4.2 million that were surrendered to us pursuant to the terms of a stock-based compensation plan in consideration of the participants' tax burdens that may result from the issuance of common shares under that plan. During the six months ended June 30, 2012, we repurchased 403,383 of our common shares for $50.2 million. Included in this total were rights to 38,590 shares valued at $4.9 million that were surrendered to us pursuant to the terms of a stock-based compensation plan in consideration of the participants' tax burdens that may result from the issuance of common shares under that plan. Such common shares, unless canceled, may be reissued for a variety of purposes such as future acquisitions, non-employee director stock awards or employee stock awards.

In February and May 2012, we paid a quarterly dividend of $0.28 per share of common stock.  In addition, on July 10, 2012, we declared a quarterly dividend of $0.28 per share of common stock for shareholders of record on July 20, 2012 and payable on August 20, 2012.

The following table summarizes our changes in equity for the six months ended June 30, 2012 (in thousands):

9

(Unaudited)	Common Shares		Additional Paid-In Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Treasury Stock			Non-Controlling Interests		Total Equity
December 31, 2011	$	1,376	$	2,012		$	283,660		$	(1,739	)	$	(107,406	)	$	3,752	$	181,655
Stock options exercised	—		(60		)	—			—			65			—		5
Stock based-awards	—		490			—			—			8,413			—		8,903
Tax benefit of stock-based awards issued	—		3,466			—			—			—			—		3,466
Repurchase of common shares	—		—			—			—			(50,160		)	—		(50,160		)
Dividends paid	—		—			(26,624		)	—			—			—		(26,624		)
Amortization of deferred pension costs, net of tax	—		—			—			27			—			—		27
Net income (loss)	—		—			106,867			—			—			14		106,881
June 30, 2012	$	1,376	$	5,908		$	363,903		$	(1,712	)	$	(149,088	)	$	3,766	$	224,153

Accumulated other comprehensive income (loss) consisted of the following (in thousands):

	June 30, 2012			December 31, 2011
	(Unaudited)
Prior service cost	$	(674	)	$	(734	)
Transition asset	226			259
Unrecognized net actuarial loss	(1,264		)	(1,264		)
Total accumulated other comprehensive income (loss)	$	(1,712	)	$	(1,739	)

8.  EARNINGS PER SHARE

We compute basic earnings per common share by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period. Diluted earnings per common and potential common shares include additional shares in the weighted average share calculations associated with the incremental effect of dilutive employee stock options, restricted stock awards and contingently issuable shares, as determined using the treasury stock method. The

following table summarizes the calculation of weighted average common shares outstanding used in the computation of diluted earnings per share (in thousands):

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2012	2011	2012	2011
	(Unaudited)		(Unaudited)
Weighted average basic common shares outstanding	47,473	45,945	47,539	45,587
Effect of dilutive securities:
Stock options	11	23	12	24
Contingent shares	133	68	124	63
Restricted stock and other	174	230	193	274
Senior exchangeable notes	—	1,097	—	1,176
Warrants	—	1,299	—	1,818
Weighted average diluted common and potential common shares outstanding	47,791	48,662	47,868	48,942

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In 2006, we issued $300 million aggregate principal amount of Senior Exchangeable Notes (the "Exchangeable Notes") which were exchangeable into shares of Core Laboratories N.V. common stock under certain circumstances. Included in the table above are 1,097,000 shares which were added to the share count for the three months ended June 30, 2011, and 1,176,000 shares which were added to the share count for the six months ended June 30, 2011.  These shares were included in calculating the impact to our dilutive earnings per share for the three and six months ended June 30, 2011. All of the Exchangeable Notes were exchanged or reached maturity in 2011.

In 2006, we sold warrants that gave the holders the right to acquire our common shares. Included in the table above are 1,299,000 shares which were added to the share count for the three months ended June 30, 2011, and 1,818,000 shares which were added to the share count for the six months ended June 30, 2011, because the average share price exceeded the strike price of the warrants.  These shares were included in calculating the impact to our dilutive earnings per share for the three and six months ended June 30, 2011. The warrants were fully settled in 2011.

9. OTHER (INCOME) EXPENSE, NET

The components of other (income) expense, net, were as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
(Gain) loss on sale of assets	$	(227	)	$	(75	)	$	(313	)	$	(138	)
Foreign exchange (gain) loss	1,355			(9		)	330			(521		)
Interest income	(13		)	(30		)	(15		)	(85		)
Rents and royalties	(255		)	(382		)	(595		)	(833		)
(Gain) loss on insurance recovery	(101		)	(69		)	(3,467		)	(779		)
Legal entity realignment	1,860			711			1,860			711
NYSE Euronext Amsterdam listing	683			—			923			—
Other, net	(84		)	1			(417		)	(79		)
Total other (income) expense, net	$	3,218		$	147		$	(1,694	)	$	(1,724	)

During the second quarter of 2012, we incurred legal, accounting and other fees in connection with the realignment of certain of our legal entities into a more cost effective structure and the listing of our shares on the NYSE Euronext Amsterdam Stock Exchange.

As a result of a fire in 2011 at one of our supplier's facilities that provided certain high performance specialty steel tubulars used with the Company's perforating systems, we filed a claim under our business interruption insurance policy in the amount of $5 million. During the first quarter of 2012, we received notice from the insurer that they agreed to pay $3.4 million of the claim and will continue reviewing the remainder of the claim. As a result, we recorded a gain of $3.4 million in the first quarter of 2012.

During 2011, as a result of reaching a settlement on a fire damage claim we filed in 2010, we recorded an insurance recovery gain of $0.8 million.

Foreign exchange (gain) loss by currency is summarized in the following table (in thousands):

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	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
Australian Dollar	$	(11	)	$	(54	)	$	(15	)	$	(144	)
Canadian Dollar	519			(124		)	(18		)	(543		)
Euro	238			8			(7		)	(74		)
Malaysian Ringgit	130			3			79			(16		)
Mexican Peso	191			41			39			142
Russian Ruble	(16		)	(23		)	(56		)	(225		)
Other currencies, net	304			140			308			339
Total (gain) loss	$	1,355		$	(9	)	$	330		$	(521	)

10.  INCOME TAX EXPENSE

The effective tax rates for the three months ended June 30, 2012 and 2011 were 24.3% and 26.7%, respectively.  The effective tax rates for the year-to-date 2012 and 2011 were 24.6% and 20.5%, respectively.  

Included in the six months ended June 30, 2011 is the reversal of $10.4 million in tax liabilities provided over the period of 2007-2010 as a result of audits of prior year returns offset by $3.7 million in other discrete items. The change in income tax expense also reflects the change in activity levels among jurisdictions with different tax rates.

11.  SEGMENT REPORTING

We operate our business in three reportable segments:  (1) Reservoir Description, (2) Production Enhancement and (3) Reservoir Management.  These business segments provide different services and utilize different technologies.

• Reservoir Description: Encompasses the characterization of petroleum reservoir rock, fluid and gas samples. We provide analytical and field services to characterize properties of crude oil and petroleum products to the oil and gas industry.

• Production Enhancement: Includes products and services relating to reservoir well completions, perforations, stimulations and production. We provide integrated services to evaluate the effectiveness of well completions and to develop solutions aimed at increasing the effectiveness of enhanced oil recovery projects.

• Reservoir Management: Combines and integrates information from reservoir description and production enhancement services to increase production and improve recovery of oil and gas from our clients' reservoirs.

Results for these business segments are presented below.  We use the same accounting policies to prepare our business segment results as are used to prepare our Consolidated Financial Statements.  We evaluate performance based on income or loss before income tax, interest and other non-operating income (expense). All interest and other non-operating income (expense) is attributable to the Corporate & Other area and is not allocated to specific business segments. Summarized financial information concerning our segments is shown in the following table (in thousands):

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(Unaudited)	Reservoir Description		Production Enhancement		Reservoir Management		Corporate & Other 1			Consolidated
Three Months Ended June 30, 2012
Revenues from unaffiliated customers	$	126,462	$	99,547	$	20,997	$	—		$	247,006
Inter-segment revenues	760		615		785		(2,160		)	—
Segment operating income (loss)	38,076		29,564		7,113		(2,627		)	72,126
Total assets (at end of period)	279,823		246,837		24,756		71,257			622,673
Capital expenditures	3,667		2,426		29		1,475			7,597
Depreciation and amortization	3,445		902		175		555			5,077
Three Months Ended June 30, 2011
Revenues from unaffiliated customers	$	118,758	$	88,787	$	18,240	$	—		$	225,785
Inter-segment revenues	447		357		595		(1,399		)	—
Segment operating income (loss)	26,629		24,500		7,307		(633		)	57,803
Total assets (at end of period)	272,298		208,114		19,146		52,675			552,233
Capital expenditures	4,079		2,499		284		743			7,605
Depreciation and amortization	3,517		1,578		169		541			5,805
Six Months Ended June 30, 2012
Revenues from unaffiliated customers	$	242,568	$	196,280	$	42,349	$	—		$	481,197
Inter-segment revenues	1,296		1,083		804		(3,183		)	—
Segment operating income (loss)	70,491		63,095		15,028		(2,582		)	146,032
Total assets	279,823		246,837		24,756		71,257			622,673
Capital expenditures	6,146		4,268		440		4,040			14,894
Depreciation and amortization	6,992		2,500		342		1,126			10,960
Six Months Ended June 30, 2011
Revenues from unaffiliated customers	$	226,379	$	170,885	$	35,254	$	—		$	432,518
Inter-segment revenues	816		665		954		(2,435		)	—
Segment operating income (loss)	53,067		47,762		13,971		(498		)	114,302
Total assets	272,298		208,114		19,146		52,675			552,233
Capital expenditures	7,382		3,303		391		908			11,984
Depreciation and amortization	6,999		3,217		349		1,071			11,636

(1) "Corporate & Other" represents those items that are not directly related to a particular segment and eliminations.

12. RECENT ACCOUNTING PRONOUNCEMENTS

In May 2011, the FASB issued ASU 2011-04 relating to fair value measurement (FASB ASC Topic 820), which amends current guidance to achieve common fair value measurement and disclosure requirements in U.S. GAAP and International Financial Reporting Standards. The amendments generally represent clarification of FASB ASC Topic 820, but also include instances where a particular principle or requirement for measuring fair value or disclosing information about fair value measurements has changed. This pronouncement is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. We adopted this pronouncement for our fiscal year beginning January 1, 2012. The adoption of this pronouncement did not have a material effect on our consolidated financial statements.

In June 2011, the FASB issued ASU 2011-05 which provides new guidance on the presentation of comprehensive income (FASB ASC Topic 220) in financial statements. Entities are required to present total comprehensive income either in a single, continuous statement of comprehensive income or in two separate, but consecutive, statements. Under the single-statement approach, entities must include the components of net income, a total for net income, the components of other comprehensive income and a total for comprehensive income. Under the two-statement approach, entities must report an income statement and, immediately following, a statement of other comprehensive income. Under either method, entities must display adjustments for items reclassified from other comprehensive income to net income in both net income and other comprehensive income. The provisions for this pronouncement are effective for fiscal years, and interim periods within those years, beginning after December 15, 2011, with early adoption permitted. We adopted this pronouncement for our fiscal year beginning January 1, 2012. The adoption of this pronouncement did not have a material effect on our consolidated financial statements.

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In September 2011, the FASB issued ASU 2011-08 relating to testing goodwill for impairment (FASB ASC Topic 350), which amends current guidance to simplify how entities test goodwill for impairment. The amendments permit an entity to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform the two-step goodwill impairment test described in Topic 350. Under this amendment, an entity is not required to calculate the fair value of a reporting unit unless the entity determines that it is more likely than not that its fair value is less than its carrying amount. This pronouncement is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011. We adopted this pronouncement for our fiscal year beginning January 1, 2012. The adoption of this pronouncement did not have a material effect on our consolidated financial statements.

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

The following discussion summarizes the financial position of Core Laboratories N.V. and its subsidiaries as of June 30, 2012 and should be read in conjunction with (i) the unaudited consolidated interim financial statements and notes thereto included elsewhere in this Quarterly Report on Form 10-Q and (ii) the consolidated financial statements and accompanying notes to our Annual Report on Form 10-K for the fiscal year ended December 31, 2011.

General

Core Laboratories N.V. is a Netherlands limited liability company.  It was established in 1936 and is one of the world's leading providers of proprietary and patented reservoir description, production enhancement and reservoir management products and services to the oil and gas industry.  These products and services can enable our clients to improve reservoir performance and increase oil and gas recovery from their producing fields.  Core Laboratories N.V. has over 70 offices in more than 50 countries and employs approximately 5,000 people worldwide.

References to "Core Lab", "we", "our" and similar phrases are used throughout this Quarterly Report on Form 10-Q and relate collectively to Core Laboratories N.V. and its consolidated affiliates.

Our business units have been aggregated into three complementary segments, which provide products and services for improving reservoir performance and increasing oil and gas recovery from new and existing fields.

• Reservoir Description: Encompasses the characterization of petroleum reservoir rock, fluid and gas samples. We provide analytical and field services to characterize properties of crude oil and petroleum products to the oil and gas industry.

• Production Enhancement: Includes products and services relating to reservoir well completions, perforations, stimulations and production. We provide integrated services to evaluate the effectiveness of well completions and to develop solutions aimed at increasing the effectiveness of enhanced oil recovery projects.

• Reservoir Management: Combines and integrates information from reservoir description and production enhancement services to increase production and improve recovery of oil and gas from our clients' reservoirs.

Cautionary Statement Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Certain statements contained in this Management's Discussion and Analysis of Financial Condition and Results of Operations section, including those under the headings "Outlook" and "Liquidity and Capital Resources", and in other parts of this Form 10-Q, are forward-looking. In addition, from time to time, we may publish forward-looking statements relating to such matters as anticipated financial performance, business prospects, technological developments, new products, research and development activities and similar matters. Forward-looking statements can be identified by the use of forward-looking terminology such as "may", "will", "believe", "expect", "anticipate", "estimate", "continue", or other similar words, including statements as to the intent, belief, or current expectations of our directors, officers, and management with respect to our future operations, performance, or positions or which contain other forward-looking information. These forward-looking statements are based on our current expectations and beliefs concerning future developments and their potential effect on us. While management believes that these forward-looking statements are reasonable as and when made, no assurances can be given that the future results indicated, whether expressed or implied, will be achieved. While we believe that these statements are and will be accurate, our actual results and experience may differ materially from the anticipated results or other expectations expressed in our statements due to a variety of risks and uncertainties.

The oil and gas industry is highly cyclical and demand for the majority of our oilfield products and services is substantially dependent on the level of expenditures by the oil and gas industry for the exploration, development and production of crude oil and natural gas reserves, which are sensitive to oil and natural gas prices and generally dependent on the industry's view of future oil and gas prices. There are numerous factors affecting the supply of and demand for our products and services, which are summarized as:

15

•general and economic business conditions;

•market prices of oil and gas and expectations about future prices;

•cost of producing and the ability to deliver oil and natural gas;

•the level of drilling and production activity;

•mergers, consolidations and downsizing among our clients;

•coordination by OPEC;

•the impact of commodity prices on the expenditure levels of our clients;

•financial condition of our client base and their ability to fund capital expenditures;

•the physical effects of climatic change, including adverse weather or geologic/geophysical conditions;

• the adoption of legal requirements or taxation relating to climate change that lower the demand for petroleum-based fuels;

•civil unrest or political uncertainty in oil producing or consuming countries;

•level of consumption of oil, gas and petrochemicals by consumers;

•changes in existing laws, regulations, or other governmental actions;

•the business opportunities (or lack thereof) that may be presented to and pursued by us;

•availability of services and materials for our clients to grow their capital expenditures; and

•availability of materials and equipment from key suppliers.

Should one or more of these risks or uncertainties materialize, or should any of our assumptions prove incorrect, actual results may vary in material respects from those projected in the forward-looking statements. We undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. For a more detailed discussion of some of the foregoing risks and uncertainties, see "Item 1A - Risk Factors" in our Annual Report on Form 10-K for the fiscal year ended December 31, 2011, as well as the other reports filed by us with the Securities and Exchange Commission (“SEC”).

Outlook

We continue our efforts to expand our market presence by opening or expanding facilities in strategic areas and realizing synergies within our business lines.  We believe our market presence provides us a unique opportunity to service clients who have global operations in addition to the national oil companies.

We have established internal earnings targets that are based on market conditions existing at the time our targets were established.  Based on recent activity levels, we believe that the current level of activities, workflows, and operating margins both outside North America and within North America, particularly that relate to oil development projects, will grow moderately during the remainder of 2012. We believe that deepwater projects worldwide will increase during the remainder of 2012, particularly offshore Africa, the Middle East, Asia Pacific and deepwater Gulf of Mexico. In addition, we believe that activities in unconventional oil-shale reservoirs will increase during the remainder of 2012, not only in North America, but in South America and North Africa as well.

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Results of Operations

Our results of operations as a percentage of applicable revenue were as follows (in thousands):

(Unaudited)	Three Months Ended June 30,									% Change
	2012				2011					2012/2011
REVENUE:
Services	$	175,749	71	%	$	156,841		69	%	12	%
Product sales	71,257		29	%	68,944			31	%	3	%
Total revenue	247,006		100	%	225,785			100	%	9	%
OPERATING EXPENSES:
Cost of services*	103,926		59	%	102,651			65	%	1	%
Cost of product sales*	52,454		74	%	49,622			72	%	6	%
Total cost of services and product sales	156,380		63	%	152,273			67	%	3	%
General and administrative expenses	10,205		4	%	9,757			4	%	5	%
Depreciation and amortization	5,077		2	%	5,805			3	%	(13	)%
Other (income) expense, net	3,218		1	%	147			—	%	2,089	%
Operating income	72,126		29	%	57,803			26	%	25	%
Loss on exchange of Senior Exchangeable Notes	—		—	%	210			—	%	(100	)%
Interest expense	2,178		1	%	2,499			1	%	(13	)%
Income before income tax expense	69,948		28	%	55,094			24	%	27	%
Income tax expense	16,997		7	%	14,710			7	%	16	%
Net income	52,951		21	%	40,384			18	%	31	%
Net income (loss) attributable to non-controlling interests	35		—	%	(67		)	—	%	(152	)%
Net income attributable to Core Laboratories N.V.	$	52,916	21	%	$	40,451		18	%	31	%
* Percentage based on applicable revenue rather than total revenue

17

(Unaudited)	Six Months Ended June 30,										% Change
	2012					2011					2012/2011
REVENUE:
Services	$	338,418		70	%	$	298,333		69	%	13	%
Product sales	142,779			30	%	134,185			31	%	6	%
Total revenue	481,197			100	%	432,518			100	%	11	%
OPERATING EXPENSES:
Cost of services*	201,936			60	%	195,342			65	%	3	%
Cost of product sales*	103,584			73	%	93,681			70	%	11	%
Total cost of services and product sales	305,520			63	%	289,023			67	%	6	%
General and administrative expenses	20,379			4	%	19,281			4	%	6	%
Depreciation and amortization	10,960			2	%	11,636			3	%	(6	)%
Other (income), net	(1,694		)	—	%	(1,724		)	—	%	(2	)%
Operating income	146,032			30	%	114,302			26	%	28	%
Loss on exchange of Senior Exchangeable Notes	—			—	%	839			—	%	(100	)%
Interest expense	4,368			1	%	4,859			1	%	(10	)%
Income before income tax expense	141,664			29	%	108,604			25	%	30	%
Income tax expense	34,783			7	%	22,228			5	%	56	%
Net income	106,881			22	%	86,376			20	%	24	%
Net income (loss) attributable to non-controlling interests	14			—	%	(365		)	—	%	(104	)%
Net income attributable to Core Laboratories N.V.	$	106,867		22	%	$	86,741		20	%	23	%
* Percentage based on applicable revenue rather than total revenue

Operating Results for the Three and Six Months EndedJune 30, 2012 Compared to the Three and Six Months EndedJune 30, 2011 (unaudited)

Services Revenue

Services revenue increased to $175.7 million for the second quarter of 2012, up 12% when compared to $156.8 million for the second quarter of 2011.  For the six months ended June 30, 2012, services revenue increased to $338.4 million, up 13% when compared to $298.3 million for the same period of 2011.  The increase in services revenue was primarily due to our continued focus on worldwide crude-oil related and large natural gas for liquefaction projects, especially those related to the development of deepwater fields offshore West and East Africa, the eastern Mediterranean, and the Gulf of Mexico.

Product Sales Revenue

Revenue associated with product sales increased to $71.3 million for the second quarter of 2012, up 3% from $68.9 million for the second quarter of 2011. For the six months ended June 30, 2012, product sales revenues increased to $142.8 million, up 6% from $134.2 million for the same period of 2011. The increase in product sales revenue was primarily driven by increasing market penetration and the evolution of our patented and proprietary diagnostics technologies and services.

Cost of Services

Cost of services expressed as a percentage of services revenue was 59% for the quarter ended June 30, 2012, down from 65% in the same period in 2011. For the six months ended June 30, 2012, cost of services expressed as a percentage of services revenue was 60%, an improvement when compared to 65% in the same period in 2011. During 2012, we recognized the benefit of a lower fixed cost structure that was established in 2011 when restructuring charges and other personnel costs were taken in the second quarter of 2011.

Cost of Product Sales

Cost of product sales expressed as a percentage of product sales revenue was 74% for the quarter ended June 30, 2012, up from 72% during the same period in 2011. For the six months ended June 30, 2012, cost of product sales expressed as a

18

percentage of product sales revenue was 73%, up from 70% during the same period in 2011. The cost of raw materials, especially specialty steel, increased substantially in the second half of 2011 which increased our cost of sales in 2012 as these raw materials are converted to finished goods and sold.

General and Administrative Expenses

General and administrative expenses include corporate management and centralized administrative services that benefit our operations. General and administrative expenses were $10.2 million for the second quarter of 2012, which represents 4% of revenue, unchanged from the second quarter of 2011. For the six months ended June 30, 2012, general and administrative expenses were $20.4 million, which represents 4% of revenue, consistent with the same period of 2011.

Depreciation and Amortization Expense

Depreciation and amortization expense was $5.1 million for the second quarter of 2012 compared to $5.8 million in the second quarter of 2011. For the six months ended June 30, 2012, depreciation and amortization expense was $11.0 million compared to $11.6 million in the same period of 2011.

Other (Income) Expense, Net

The components of other (income) expense, net, were as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
(Gain) loss on sale of assets	$	(227	)	$	(75	)	$	(313	)	$	(138	)
Foreign exchange (gain) loss	1,355			(9		)	330			(521		)
Interest income	(13		)	(30		)	(15		)	(85		)
Rents and royalties	(255		)	(382		)	(595		)	(833		)
(Gain) loss on insurance recovery	(101		)	(69		)	(3,467		)	(779		)
Legal entity realignment	1,860			711			1,860			711
NYSE Euronext Amsterdam listing	683			—			923			—
Other, net	(84		)	1			(417		)	(79		)
Total other (income) expense, net	$	3,218		$	147		$	(1,694	)	$	(1,724	)

During the second quarter of 2012, we incurred legal, accounting and other fees in connection with the realignment of certain of our legal entities into a more cost effective structure and the listing of our shares on the NYSE Euronext Amsterdam Stock Exchange.

As a result of a fire in 2011 at one of our supplier's facilities that provided certain high performance specialty steel tubulars used with the Company's perforating systems, we filed a claim under our business interruption insurance policy in the amount of $5 million. During the first quarter of 2012, we received notice from the insurer that they agreed to pay $3.4 million of the claim and will continue reviewing the remainder of the claim. As a result, we recorded a gain of $3.4 million in the first quarter of 2012.

During 2011, as a result of reaching a settlement on a fire damage claim we filed in 2010, we recorded an insurance recovery gain of $0.8 million.

Foreign exchange (gain) loss by currency is summarized in the following table (in thousands):

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	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
Australian Dollar	$	(11	)	$	(54	)	$	(15	)	$	(144	)
Canadian Dollar	519			(124		)	(18		)	(543		)
Euro	238			8			(7		)	(74		)
Malaysian Ringgit	130			3			79			(16		)
Mexican Peso	191			41			39			142
Russian Ruble	(16		)	(23		)	(56		)	(225		)
Other currencies, net	304			140			308			339
Total (gain) loss	$	1,355		$	(9	)	$	330		$	(521	)

Interest Expense

Interest expense for the three months ended June 30, 2012 and 2011 was $2.2 million and $2.5 million, respectively.  Interest expense for the six months ended June 30, 2012 and 2011 was $4.4 million and $4.9 million, respectively. 

Income Tax Expense

The effective tax rates for the three months ended June 30, 2012 and 2011 were 24.3% and 26.7%, respectively.  The effective tax rates for the six months ended June 30, 2012 and 2011 were 24.6% and 20.5%, respectively.  

Included in the six months ended June 30, 2011 is the reversal of $10.4 million in tax liabilities provided over the period of 2007-2010 as a result of audits of prior year returns offset by $3.7 million in other discrete items. The change in income tax expense also reflects the change in activity levels among jurisdictions with different tax rates.

Segment Analysis

Our operations are managed primarily in three complementary segments - Reservoir Description, Production Enhancement and Reservoir Management.  The following tables summarize our results by operating segment for the three and six months ended June 30, 2012 and 2011 (in thousands):

	Three Months Ended June 30,						% Change
	2012			2011			2012/2011
Revenue:	(Unaudited)
Reservoir Description	$	126,462		$	118,758		6	%
Production Enhancement	99,547			88,787			12	%
Reservoir Management	20,997			18,240			15	%
Consolidated	$	247,006		$	225,785		9	%
Operating income (loss):
Reservoir Description	$	38,076		$	26,629		43	%
Production Enhancement	29,564			24,500			21	%
Reservoir Management	7,113			7,307			(3	)%
Corporate and Other1	(2,627		)	(633		)	NM
Consolidated	$	72,126		$	57,803		25	%
(1) "Corporate and Other" represents those items that are not directly related to a particular segment
"NM"  means not meaningful

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	Six Months Ended June 30,						% Change
	2012			2011			2012/2011
Revenue:	(Unaudited)
Reservoir Description	$	242,568		$	226,379		7	%
Production Enhancement	196,280			170,885			15	%
Reservoir Management	42,349			35,254			20	%
Consolidated	$	481,197		$	432,518		11	%
Operating income (loss):
Reservoir Description	$	70,491		$	53,067		33	%
Production Enhancement	63,095			47,762			32	%
Reservoir Management	15,028			13,971			8	%
Corporate and Other1	(2,582		)	(498		)	NM
Consolidated	$	146,032		$	114,302		28	%
(1) "Corporate and Other" represents those items that are not directly related to a particular segment
"NM"  means not meaningful

Reservoir Description

Revenue from the Reservoir Description segment increased 6%, or $7.7 million, to $126.5 million in the second quarter of 2012, compared to $118.8 million in the second quarter of 2011.  For the six months ended June 30, 2012, revenues increased 7%, or $16.2 million, to $242.6 million, compared to $226.4 million in the same period of 2011.  This segment’s operations, which focus on international crude-oil related products, continued to benefit from large-scale core analyses and reservoir fluids characterization studies in the Asia-Pacific areas, offshore West and East Africa, the Eastern Mediterranean region and the Middle East, including Iraq, Kuwait, and the United Arab Emirates.

Operating income in the second quarter of 2012 increased by 43%, or $11.4 million, to $38.1 million compared to $26.6 million for the second quarter of 2011.  Operating income for the six months ended June 30, 2012 increased by 33%, or $17.4 million, to $70.5 million compared to $53.1 million for the same period of 2011.  Operating margin for the quarter ended June 30, 2012 was 30%, compared to 22% for the same period in 2011. This increase is a result of the reduction of staff during the latter part of 2011 resulting in a lower cost structure in 2012.

Production Enhancement

Revenue from the Production Enhancement segment increased by 12%, or $10.8 million, to $99.5 million in the second quarter of 2012 compared to $88.8 million in the second quarter of 2011. Revenues increased by 15%, or $25.4 million, to $196.3 million for the six months ended June 30, 2012, compared to $170.9 million in the same period of 2011. The revenue increase was primarily due to demand for our stimulation diagnostic services both for fracture diagnostics in North America and flood diagnostics internationally.

Operating income in the second quarter of 2012 increased by 21%, or $5.1 million, to $29.6 million from $24.5 million for the second quarter of 2011.  For the six months ended June 30, 2012, operating income increased by 32%, to $63.1 million over the same period of 2011.  Operating margins increased to 30% in the second quarter of 2012 from 28% for the same period in 2011.  The increase in operating income from 2011 to 2012 was primarily driven by increased revenue from services related to our proprietary and patented diagnostic technologies, such as SpectraChem^® Plus+, SpectraScan^®, ZeroWash^®, our HERO™ line of perforating charges and gun systems and our HTD-Blast™ perforating system, which is used for the perforation of extended-reach horizontal wells in non-conventional reservoirs.  

Reservoir Management

Revenue from the Reservoir Management segment increased by 15% to $21.0 million in the second quarter of 2012 compared to $18.2 million for the second quarter of 2011.  Revenues for the six months ended June 30, 2012 increased by 20% to $42.3 million compared to $35.3 million for the same period of 2011.  The increase in revenue was due to ongoing interest in several of our existing multi-client reservoir studies such as the Tight Oil Reservoirs of the Midland Basin study and the Eagle Ford Shale study along with studies of African east coast reservoirs potentials.

21

Operating income in the second quarter of 2012 decreased 3% to $7.1 million from $7.3 million for the second quarter of 2011. For the six months ended June 30, 2012, operating income was $15.0 million compared to $14.0 million for the same period of 2011. Operating margins decreased to 34% in the second quarter of 2012 compared to 40% for the same period in 2011. The higher margin in the second quarter of 2011 was a result of increased participation in completed projects.

Liquidity and Capital Resources

General

We have historically financed our activities through cash on hand, cash flows from operations, bank credit facilities, or the issuance of debt and equity financing.

We utilize the non-GAAP financial measure of free cash flow to evaluate our cash flows and results of operations.  Free cash flow is defined as net cash provided by operating activities (which is the most directly comparable GAAP measure) less cash paid for capital expenditures.  Management believes that free cash flow provides useful information to investors regarding the cash that was available in the period that was in excess of our needs to fund our capital expenditures and operating activities. Free cash flow is not a measure of operating performance under GAAP, and should not be considered in isolation nor construed as an alternative to operating profit, net income (loss) or cash flows from operating, investing or financing activities, each as determined in accordance with GAAP. Free cash flow does not represent residual cash available for distribution because we may have other non-discretionary expenditures that are not deducted from the measure. Moreover, since free cash flow is not a measure determined in accordance with GAAP and thus is susceptible to varying interpretations and calculations, free cash flow as presented, may not be comparable to similarly titled measures presented by other companies.  The following table reconciles this non-GAAP financial measure to the most directly comparable measure calculated and presented in accordance with GAAP for the six months ended June 30, 2012 and 2011 (in thousands):

	Six Months Ended June 30,				% Change
	2012		2011		2012/2011
Free cash flow calculation:	(Unaudited)
Net cash provided by operating activities	$	100,894	$	97,954	3	%
Less:  cash paid for capital expenditures	14,894		11,984		24	%
Free cash flow	$	86,000	$	85,970	—	%

Free cash flow for the first six months of 2012 was unchanged when compared to the same period in 2011 as the increase in net income for the period was offset by decreases in current and long-term liabilities. In addition, capital expenditures were higher in the first six months of 2012 compared to the same period in 2011.

Cash Flows

The following table summarizes cash flows for the six months ended June 30, 2012 and 2011 (in thousands):

	Six Months Ended June 30,						% Change
	2012			2011			2012/2011
Cash provided by/(used in):	(Unaudited)
Operating activities	$	100,894		$	97,954		3	%
Investing activities	(14,754		)	(12,304		)	20	%
Financing activities	(92,064		)	(194,969		)	(53	)%
Net change in cash and cash equivalents	$	(5,924	)	$	(109,319	)	(95	)%

The increase in cash flows from operating activities for the first six months of 2012 compared to the same period in 2011 was primarily attributable to increased net income offset by decreases in current and long-term liabilities.

Cash flows used in investing activities were higher during 2012 when compared to 2011 primarily due to an increase in capital expenditures of $14.9 million and $12.0 million for the six month periods ended June 30, 2012 and 2011, respectively.

22

The decrease in cash flows used in financing activities for the first six months of 2012 when compared to the same period in 2011 was due to a decrease of $57.8 million in the amount used for settlement of warrants, a decrease of $1.9 million in the amount paid for the repurchase of our common shares, and a decrease of $45.7 million in the amount of net debt reduction. In the first six months of 2011, we settled warrants in the amount of $57.8 million. All of these warrants were settled during 2011. During the first six months of 2012, we repurchased 403,383 shares for an aggregate price of $50.2 million compared to 574,174 shares for an aggregate price of $52.1 million during the same period in 2011. In the first six months of 2012 and 2011, our debt decreased by a net of $18.7 million and $64.5 million, respectively.  

Notes, Credit Facilities and Available Future Liquidity

In September 2011, we issued two series of senior notes with an aggregate principal amount of $150 million ("Senior Notes") in a private placement transaction. Series A consists of $75 million in aggregate principal amount of notes that bear interest at a fixed rate of 4.01% and are due in full on September 30, 2021. Series B consists of $75 million in aggregate principal amount of notes that bear interest at a fixed rate of 4.11% and are due in full on September 30, 2023. Interest on each series of the Senior Notes is payable semi-annually on March 30 and September 30.

We maintain a credit facility (the "Credit Facility") with an aggregate borrowing capacity of $300 million at June 30, 2012. The Credit Facility provides an option to increase the commitment under the Credit Facility to $350 million, if certain conditions are met.  The Credit Facility bears interest at variable rates from LIBOR plus 1.50% to a maximum of LIBOR plus 2.25%.  Any outstanding balance under the Credit Facility is due September 28, 2016 when the Credit Facility matures. Interest payment terms are variable depending upon the specific type of borrowing under the Credit Facility. Our available capacity at any point in time is reduced by borrowings outstanding at the time and outstanding letters of credit and performance guarantees and bonds which totaled $16.0 million at June 30, 2012, resulting in an available borrowing capacity under the Credit Facility of $228.0 million.  In addition to those items under the Credit Facility, we had $24.9 million of outstanding letters of credit and performance guarantees and bonds from other sources as of June 30, 2012.

The terms of the Credit Facility and the Senior Notes require us to meet certain financial and operational covenants, including, but not limited to, certain operational and minimum equity and cash flow ratios. We were in compliance with all such covenants at June 30, 2012, and expect to remain in compliance for the foreseeable future.  Certain of our material, wholly-owned subsidiaries are guarantors or co-borrowers under the Credit Facility and Senior Notes.

Our ability to maintain and grow our operating income and cash flow depends, to a large extent, on continued investing activities. We are a Netherlands holding company and substantially all of our operations are conducted through subsidiaries. Consequently, our cash flow depends upon the ability of our subsidiaries to pay cash dividends or otherwise distribute or advance funds to us.  We believe our future cash flows from operations, supplemented by our borrowing capacity and issuances of additional equity, should be sufficient to fund our debt requirements, capital expenditures, working capital, dividend payments and future acquisitions.

Recent Accounting Pronouncements

In May 2011, the FASB issued ASU 2011-04 relating to fair value measurement (FASB ASC Topic 820), which amends current guidance to achieve common fair value measurement and disclosure requirements in U.S. GAAP and International Financial Reporting Standards. The amendments generally represent clarification of FASB ASC Topic 820, but also include instances where a particular principle or requirement for measuring fair value or disclosing information about fair value measurements has changed. This pronouncement is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. We adopted this pronouncement for our fiscal year beginning January 1, 2012. The adoption of this pronouncement did not have a material effect on our consolidated financial statements.

In June 2011, the FASB issued ASU 2011-05 which provides new guidance on the presentation of comprehensive income (FASB ASC Topic 220) in financial statements. Entities are required to present total comprehensive income either in a single, continuous statement of comprehensive income or in two separate, but consecutive, statements. Under the single-statement approach, entities must include the components of net income, a total for net income, the components of other comprehensive income and a total for comprehensive income. Under the two-statement approach, entities must report an income statement and, immediately following, a statement of other comprehensive income. Under either method, entities must display adjustments for items reclassified from other comprehensive income to net income in both net income and other comprehensive income. The provisions for this pronouncement are effective for fiscal years, and interim periods within those years, beginning after December 15, 2011, with early adoption permitted. We adopted this pronouncement for our fiscal year beginning January 1, 2012. The adoption of this pronouncement did not have a material effect on our consolidated financial statements.

23

In September 2011, the FASB issued ASU 2011-08 relating to testing goodwill for impairment (FASB ASC Topic 350), which amends current guidance to simplify how entities test goodwill for impairment. The amendments permit an entity to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform the two-step goodwill impairment test described in Topic 350. Under this amendment, an entity is not required to calculate the fair value of a reporting unit unless the entity determines that it is more likely than not that its fair value is less than its carrying amount. This pronouncement is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011. We adopted this pronouncement for our fiscal year beginning January 1, 2012. The adoption of this pronouncement did not have a material effect on our consolidated financial statements.

24

Item 3. Quantitative and Qualitative Disclosures About Market Risk

There have been no material changes in market risk from the information provided in Item 7A. "Quantitative and Qualitative Disclosures About Market Risk" in our Annual Report on Form 10-K for the fiscal year ended December 31, 2011.

Item 4. Controls and Procedures

A complete discussion of our controls and procedures is included in our Annual Report on Form 10-K for the year ended December 31, 2011.

Disclosure Controls and Procedures

Our management, under the supervision of and with the participation of our Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of our disclosure controls and procedures, as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), as of the end of the period covered by this report.  Our disclosure controls and procedures are designed to provide reasonable assurance that the information required to be disclosed by us in our reports filed or submitted under the Exchange Act is accumulated and communicated to management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure and is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the SEC.  Based on such evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that our disclosure controls and procedures were effective as of June 30, 2012 at the reasonable assurance level.

Our management does not expect that our disclosure controls and procedures or our internal control over financial reporting will prevent all errors and all fraud.  Further, the design of disclosure controls and internal control over financial reporting must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within a company have been detected.

Changes in Internal Control Over Financial Reporting

There have been no changes in our system of internal control over financial reporting, as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act, during our fiscal quarter ended June 30, 2012, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

25

CORE LABORATORIES N.V.

PART II - OTHER INFORMATION

Item 1.  Legal Proceedings

See Note 6 of Consolidated Interim Financial Statements in Part I, Item 1.

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

The following table provides information about purchases of equity securities that are registered by us pursuant to Section 12 of the Exchange Act during the quarter ended June 30, 2012:

Period	Total Number of Shares Purchased	Average Price Paid Per Share		Total Number of Shares Purchased as Part of a Publicly Announced Program	Maximum Number of Shares That May Yet be Purchased Under the Program (4)
April 30, 2012 (1)	117,404	$	131.59	117,404	3,332,434
May 31, 2012 (2)	41,527	131.77		41,527	3,336,599
June 30, 2012 (3)	140,173	116.64		140,173	3,232,726
Total	299,104	$	124.61	299,104

(1) Contains 10,611 shares valued at approximately $1.4 million, or $131.61 per share, surrendered to us by participants in a stock-based compensation plan to settle any personal tax liabilities which may result from the award in April 2012.

(2) Contains 11,527 shares valued at approximately $1.6 million, or $136.62 per share, surrendered to us by participants in a stock-based compensation plan to settle any personal tax liabilities which may result from the award in May 2012.

(3) Contains 10,173 shares valued at approximately $1.2 million, or $115.90 per share, surrendered to us by participants in a stock-based compensation plan to settle any personal tax liabilities which may result from the award in June 2012.

(4) In connection with our initial public offering in September 1995, our shareholders authorized our Management Board to repurchase up to 10% of our issued share capital for a period of 18 months.  This authorization was renewed at subsequent annual or special shareholder meetings.  At our annual shareholders’ meeting on May 16, 2012, our shareholders authorized an extension to repurchase 10% of our issued share capital through November 16, 2013. The repurchase of shares in the open market is at the discretion of management pursuant to this shareholder authorization.

26

Exhibit No.		Exhibit Title	Incorporated by reference from the following documents
3.1	-	Articles of Association of Core Laboratories N.V., as amended (including English translation)	Exhibit 3.1 filed on July 26, 2010 with 10-Q  (File No. 001-14273)
31.1	-	Certification of Chief Executive Officer Pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	Filed herewith
31.2	-	Certification of Chief Financial Officer Pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	Filed herewith
32.1	-	Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002	Furnished herewith
32.2	-	Certification of Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002	Furnished herewith
101.INS	-	XBRL Instance Document	Filed herewith
101.SCH	-	XBRL Schema Document	Filed herewith
101.CAL	-	XBRL Calculation Linkbase Document	Filed herewith
101.LAB	-	XBRL Label Linkbase Document	Filed herewith
101.PRE	-	XBRL Presentation Linkbase Document	Filed herewith
101.DEF	-	XBRL Definition Linkbase Document	Filed herewith

27

SIGNATURE

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

		CORE LABORATORIES N.V.
Date:	July 20, 2012	By:	/s/ Richard L. Bergmark
			Richard L. Bergmark
			Chief Financial Officer
			(Duly Authorized Officer and
			Principal Financial Officer)

28

EX-31.1

Certification

Exhibit 31.1

I, David M. Demshur, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Core Laboratories N.V. (the "Registrant");

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

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

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

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

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

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

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the Registrant's most recent fiscal quarter (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 officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant's auditors and the audit committee of the Registrant's board of directors (or persons performing the equivalent functions):

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

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

Date:	July 20, 2012	By:	/s/ David M. Demshur
			David M. Demshur
			Chief Executive Officer

EX-31.2

Certification

Exhibit 31.2

I, Richard L. Bergmark, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Core Laboratories N.V. (the "Registrant");

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

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

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

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

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

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

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the Registrant's most recent fiscal quarter (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 officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant's auditors and the audit committee of the Registrant's board of directors (or persons performing the equivalent functions):

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

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

Date:	July 20, 2012	By:	/s/ Richard L. Bergmark
			Richard L. Bergmark
			Chief Financial Officer

EX-32.1

Exhibit 32.1

Certification of

Chief Executive Officer

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

I, David M. Demshur, Chief Executive Officer of Core Laboratories N.V. (the "Company"), hereby certify that the accompanying report on Form 10-Q for the quarter ended June 30, 2012, filed by the Company with the Securities and Exchange Commission on the date hereof fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended, (the "Report").

I further certify that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	July 20, 2012	/s/ David M. Demshur
		Name: David M. Demshur
		Title: Chief Executive Officer

EX-32.2

Exhibit 32.2

Certification of

Chief Financial Officer

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

I, Richard L. Bergmark, Chief Financial Officer of Core Laboratories N.V. (the "Company"), hereby certify that the accompanying report on Form 10-Q for the quarter ended June 30, 2012, filed by the Company with the Securities and Exchange Commission on the date hereof fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended, (the "Report").

I further certify that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	July 20, 2012	/s/ Richard L. Bergmark
		Name: Richard L. Bergmark
		Title: Chief Financial Officer

XML

Equity Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Prior service cost	$ (674)		$ (674)		$ (734)
Transition asset	226		226		259
Unrecognized net actuarial loss	(1,264)		(1,264)		(1,264)
Net income	52,951	40,384	106,881	86,376
Amortization of deferred pension costs, net of tax			27
Total accumulated other comprehensive income (loss)	$ (1,712)		$ (1,712)		$ (1,739)

XML

Segment Reporting Level 3 (Tables)

6 Months Ended

Jun. 30, 2012

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Summarized financial information concerning our segments is shown in the following table (in thousands):

(Unaudited)	Reservoir Description		Production Enhancement		Reservoir Management		Corporate & Other 1			Consolidated
Three Months Ended June 30, 2012
Revenues from unaffiliated customers	$	126,462	$	99,547	$	20,997	$	—		$	247,006
Inter-segment revenues	760		615		785		(2,160		)	—
Segment operating income (loss)	38,076		29,564		7,113		(2,627		)	72,126
Total assets (at end of period)	279,823		246,837		24,756		71,257			622,673
Capital expenditures	3,667		2,426		29		1,475			7,597
Depreciation and amortization	3,445		902		175		555			5,077
Three Months Ended June 30, 2011
Revenues from unaffiliated customers	$	118,758	$	88,787	$	18,240	$	—		$	225,785
Inter-segment revenues	447		357		595		(1,399		)	—
Segment operating income (loss)	26,629		24,500		7,307		(633		)	57,803
Total assets (at end of period)	272,298		208,114		19,146		52,675			552,233
Capital expenditures	4,079		2,499		284		743			7,605
Depreciation and amortization	3,517		1,578		169		541			5,805
Six Months Ended June 30, 2012
Revenues from unaffiliated customers	$	242,568	$	196,280	$	42,349	$	—		$	481,197
Inter-segment revenues	1,296		1,083		804		(3,183		)	—
Segment operating income (loss)	70,491		63,095		15,028		(2,582		)	146,032
Total assets	279,823		246,837		24,756		71,257			622,673
Capital expenditures	6,146		4,268		440		4,040			14,894
Depreciation and amortization	6,992		2,500		342		1,126			10,960
Six Months Ended June 30, 2011
Revenues from unaffiliated customers	$	226,379	$	170,885	$	35,254	$	—		$	432,518
Inter-segment revenues	816		665		954		(2,435		)	—
Segment operating income (loss)	53,067		47,762		13,971		(498		)	114,302
Total assets	272,298		208,114		19,146		52,675			552,233
Capital expenditures	7,382		3,303		391		908			11,984
Depreciation and amortization	6,999		3,217		349		1,071			11,636

XML

Income Tax Expense Level 4 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Mar. 31, 2011	Jun. 30, 2012	Jun. 30, 2011
INCOME TAX EXPENSE [Abstract]
Effective Income Tax Rate, Continuing Operations	24.30%	26.70%	24.60%	20.50%
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority		$ 10.4
Tax Adjustments, Settlements, and Unusual Provisions		$ 3.7

XML

Goodwill and Intangibles

6 Months Ended

Jun. 30, 2012

GOODWILL AND INTANGIBLES [Abstract]

Intangible Assets Disclosure [Text Block]

GOODWILL AND INTANGIBLES

We account for intangible assets with indefinite lives, including goodwill, in accordance with the applicable accounting guidance, which requires us to evaluate these assets for impairment annually, or more frequently if an indication of impairment has occurred.  Based upon our most recent evaluation, we determined that goodwill is not impaired.  We amortize intangible assets with a defined term on a straight-line basis over their respective useful lives.

In 2011, we acquired a business providing additional manufacturing capacity for our Canadian operations for $18.8 million in cash. We have accounted for this acquisition by allocating the purchase price to the net assets acquired based on their estimated fair values at the date of acquisition, resulting in an increase to goodwill of $8.6 million and an increase of $0.5 million in intangible assets. In 2012, a post-closing adjustment was recorded that increased the acquisition and goodwill by $0.6 million. The acquisition was recorded in the Production Enhancement business segment.

XML

Pensions and Other Postretirement Benefits Level 4 (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer	$ 1,600,000
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	285,000	352,000	572,000	687,000
Defined Benefit Plan, Interest Cost	425,000	454,000	853,000	886,000
Defined Benefit Plan, Expected Return on Plan Assets	(304,000)	(211,000)	(610,000)	(412,000)
Defined Benefit Plan, Amortization of Transition Obligations (Assets)	22,000	22,000	44,000	44,000
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(40,000)	(40,000)	(80,000)	(80,000)
Defined Benefit Plan, Amortization of Gains (Losses)	0	84,000	0	168,000
Defined Benefit Plan, Net Periodic Benefit Cost	$ 424,000	$ 697,000	$ 851,000	$ 1,365,000

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Debt Level 4 (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Debt Instrument [Line Items]
Loss on exchange of Senior Exchangeable Notes	$ 0	$ (210,000)	$ 0	$ (839,000)
Line of Credit Facility, Current Borrowing Capacity	300,000,000		300,000,000
Line of Credit Facility, Maximum Borrowing Capacity	350,000,000		350,000,000
Performance bonds under credit facility	16,000,000		16,000,000
Line of Credit Facility, Remaining Borrowing Capacity	228,000,000		228,000,000
Performance Bonds	24,900,000		24,900,000
Long-term Debt	206,676,000		206,676,000		225,419,000
Long-term Debt, Excluding Current Maturities	206,053,000		206,053,000		223,075,000
Line of Credit [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date	Sep. 28, 2016
Long-term Debt	56,000,000		56,000,000		73,000,000
Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	150,000,000		150,000,000
Long-term Debt	150,000,000		150,000,000		150,000,000
senior notes series a [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	75,000,000		75,000,000
Debt Instrument, Maturity Date	Sep. 30, 2021
Debt Instrument, Interest Rate, Effective Percentage	4.01%		4.01%
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	102,000		102,000		132,000
Other Debt Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	574,000		574,000		2,287,000
Short-term Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	623,000		623,000		2,344,000
Senior Notes Series B [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 75,000,000		$ 75,000,000
Debt Instrument, Maturity Date	Sep. 30, 2023
Debt Instrument, Interest Rate, Effective Percentage	4.11%		4.11%
Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.50%		1.50%
Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%		2.25%

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Pensions and Other Postretirement Benefits Fair Value Measurement (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 11,189	$ 9,934
Liabilities, Fair Value Disclosure	17,023	15,141
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure	3,053	3,086
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	11,189	9,934
Liabilities, Fair Value Disclosure	13,970	12,055
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure	$ 0	$ 0

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Commitments and Contingencies Level 4 (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Loss Contingencies [Line Items]
Business interruption insurance sublimit	$ 5,000,000
gain loss on insurance recovery [Member]
Loss Contingencies [Line Items]
Other Nonoperating Income (Expense)	$ (101,000)	$ (69,000)	$ (3,467,000)	$ (779,000)

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Inventories (Notes)

6 Months Ended

Jun. 30, 2012

INVENTORIES [Abstract]

Inventory Disclosure [Text Block]

INVENTORIES

Inventories consist of the following (in thousands):

	June 30, 2012		March 31, 2012		December 31, 2011
	(Unaudited)		(Unaudited)
Finished goods	$	40,768	$	39,233	$	32,604
Parts and materials	15,410		15,934		18,004
Work in progress	2,003		2,952		2,606
Total inventories	$	58,181	$	58,119	$	53,214

We include freight costs incurred for shipping inventory to customers in the Cost of Sales line of the Consolidated Statements of Operations.

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Equity Level 4 (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Common Stock, Value, Issued	$ 1,376,000		$ 1,376,000		$ 1,376,000
Stock Issued During Period, Value, Stock Options Exercised			5,000
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures			8,903,000
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation			3,466,000
Stock Repurchased During Period, Value			(50,160,000)
Treasury Stock, Shares, Acquired	299,104		403,383
Dividends			(26,624,000)
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax			27,000
Net income	52,951,000	40,384,000	106,881,000	86,376,000
Treasury Stock, Value, Acquired, Cost Method	37,300,000		50,200,000
TreasurySharesAcquiredTaxBurden	32,311		38,590
TreasurySharesAcquiredValueTaxBurden	4,200,000		4,900,000
Cash dividends per share	$ 0.28	$ 0.25	$ 0.56	$ 0.50
Common Stock, Dividends, Per Share, Declared	$ 0.28
Retained Earnings (Accumulated Deficit)	363,903,000		363,903,000		283,660,000
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,712,000)		(1,712,000)		(1,739,000)
Treasury Stock, Value	149,088,000		149,088,000		107,406,000
Stockholders' Equity Attributable to Noncontrolling Interest	3,766,000		3,766,000		3,752,000
TOTAL EQUITY	224,153,000		224,153,000		181,655,000
Common Stock [Member]
Common Stock, Value, Issued	1,376,000		1,376,000		1,376,000
Stock Issued During Period, Value, Stock Options Exercised			0
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures			0
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation			0
Stock Repurchased During Period, Value			0
Dividends			0
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax			0
Net income			0
Additional Paid-in Capital [Member]
Additional Paid in Capital	5,908,000		5,908,000		2,012,000
Stock Issued During Period, Value, Stock Options Exercised			(60,000)
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures			490,000
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation			3,466,000
Stock Repurchased During Period, Value			0
Dividends			0
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax			0
Net income			0
Retained Earnings [Member]
Stock Issued During Period, Value, Stock Options Exercised			0
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures			0
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation			0
Stock Repurchased During Period, Value			0
Dividends			(26,624,000)
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax			0
Retained Earnings (Accumulated Deficit)	363,903,000		363,903,000		283,660,000
Accumulated Other Comprehensive Income (Loss) [Member]
Stock Issued During Period, Value, Stock Options Exercised			0
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures			0
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation			0
Stock Repurchased During Period, Value			0
Dividends			0
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax			27,000
Net income			0
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,712,000)		(1,712,000)		(1,739,000)
Treasury Stock [Member]
Stock Issued During Period, Value, Stock Options Exercised			65,000
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures			8,413,000
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation			0
Stock Repurchased During Period, Value			(50,160,000)
Dividends			0
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax			0
Net income			0
Treasury Stock, Value	(149,088,000)		(149,088,000)		(107,406,000)
Noncontrolling Interest [Member]
Stock Issued During Period, Value, Stock Options Exercised			0
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures			0
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation			0
Stock Repurchased During Period, Value			0
Dividends			0
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax			0
Stockholders' Equity Attributable to Noncontrolling Interest	$ 3,766,000		$ 3,766,000		$ 3,752,000

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Consolidated Balance Sheets Statement (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Cash and Cash Equivalents, at Carrying Value	$ 23,408	$ 29,332
Accounts Receivable, Net	170,707	170,805
Inventory, Net	58,181	53,214
Prepaid Expense and Other Assets	39,141	33,197
TOTAL CURRENT ASSETS	291,437	286,548
Property, Plant and Equipment, Net	118,665	115,295
Intangible Assets, Net (Excluding Goodwill)	8,335	8,221
Goodwill	163,337	162,787
Deferred Tax Assets, Net, Noncurrent	13,920	13,662
Other Assets, Noncurrent	26,979	24,360
TOTAL ASSETS	622,673	610,873
Accounts Payable, Current	51,280	57,639
Employee-related Liabilities, Current	26,188	34,028
Sales and Excise Tax Payable, Current	8,833	8,566
Deferred Revenue, Current	18,334	19,154
Taxes Payable, Current	3,814	6,527
Convertible Debt, Current	623	2,344
Other Accrued Liabilities, Current	17,105	14,937
TOTAL CURRENT LIABILITIES	126,177	143,195
LONG-TERM DEBT AND CAPITAL LEASE OBLIGATIONS	206,053	223,075
Deferred Compensation Liability, Classified, Noncurrent	26,384	24,117
Deferred Tax Liabilities, Noncurrent	5,798	5,531
Other Liabilities, Noncurrent	34,108	33,300
Preferred Stock, Value, Issued	0	0
Common Stock, Value, Issued	1,376	1,376
Additional Paid in Capital, Common Stock	5,908	2,012
Retained Earnings (Accumulated Deficit)	363,903	283,660
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,712)	(1,739)
Treasury shares (at cost), xxx at 2011 and 4,218,726 at 2010	(149,088)	(107,406)
Total Core Laboratories N.V. shareholders' equity	220,387	177,903
Stockholders' Equity Attributable to Noncontrolling Interest	3,766	3,752
TOTAL EQUITY	224,153	181,655
TOTAL LIABILITIES AND EQUITY	$ 622,673	$ 610,873

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Consolidated Statement of Cash Flows Statement (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 106,881	$ 86,376
Net (recovery) provision for doubtful accounts	697	40
Provisions for inventory obsolescence	193	357
Equity in earnings of affiliates	(247)	(117)
Stock-based compensation	8,903	5,923
Depreciation and amortization	10,960	11,636
Non-cash interest expense	240	4,144
Gain on sale of assets	(313)	(138)
Gain on insurance recovery	(101)	(779)
Loss on exchange of Senior Exchangeable Notes	0	839
Realization of pension obligation	27	152
Increase in value of life insurance policies	(622)	(685)
Deferred income taxes	(1,835)	(10,735)
Accounts receivable	(2,787)	(5,627)
Inventories	(5,160)	(8,886)
Prepaid expenses and other current assets	(3,489)	1,055
Other assets	(695)	(623)
Accounts payable	(5,285)	8,639
Accrued expenses	(8,728)	(4,729)
Increase (Decrease) in Deferred Revenue	(820)	2,649
Other long-term liabilities	3,075	8,463
Net cash provided by operating activities	100,894	97,954
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(14,894)	(11,984)
Payments to Acquire Intangible Assets	(684)	(132)
Business Acquisitions	(556)	0
Cash (advanced)/settled for acquisition	2,188	0
Proceeds from sale of assets	379	171
Proceeds from insurance recovery	101	884
Premiums on life insurance	(1,288)	(1,243)
Net cash used in investing activities	(14,754)	(12,304)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of debt borrowings	(48,744)	(64,477)
Proceeds from debt borrowings	30,000	0
Proceeds from Stock Options Exercised	5	241
Excess Tax Benefit from Share-based Compensation, Financing Activities	3,466	2,289
Payments of Debt Issuance Costs	(7)	(1,094)
Settlement of Warrants	0	(57,777)
Non-controlling interest - contributions	0	895
Payments of Dividends, Noncontrolling Interest	0	(240)
Payments of Dividends	(26,624)	(22,709)
Payments for Repurchase of Common Stock	(50,160)	(52,097)
Net cash used in financing activities	(92,064)	(194,969)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(5,924)	(109,319)
CASH AND CASH EQUIVALENTS, beginning of period	$ 29,332	$ 133,880

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Other (Income), net Level 4 (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Component of Operating Other Cost and Expense [Line Items]
Business interruption insurance sublimit	$ 5,000,000
Gains (Losses) on Sales of Assets [Member]
Component of Operating Other Cost and Expense [Line Items]
Other Nonoperating Income (Expense)	(227,000)	(75,000)	(313,000)	(138,000)
Foreign Currency Gain (Loss) [Member]
Component of Operating Other Cost and Expense [Line Items]
Other Nonoperating Income (Expense)	1,355,000	(9,000)	330,000	(521,000)
Other Operating Expense [Member]
Component of Operating Other Cost and Expense [Line Items]
Other Nonoperating Income (Expense)	(84,000)	1,000	(417,000)	(79,000)
Interest Income [Member]
Component of Operating Other Cost and Expense [Line Items]
Other Nonoperating Income (Expense)	(13,000)	(30,000)	(15,000)	(85,000)
Rents And Royalties Income Loss [Member]
Component of Operating Other Cost and Expense [Line Items]
Other Nonoperating Income (Expense)	(255,000)	(382,000)	(595,000)	(833,000)
gain loss on insurance recovery [Member]
Component of Operating Other Cost and Expense [Line Items]
Other Nonoperating Income (Expense)	(101,000)	(69,000)	(3,467,000)	(779,000)
Legal entity realignment [Member]
Component of Operating Other Cost and Expense [Line Items]
Other Nonoperating Income (Expense)	1,860,000	711,000	1,860,000	711,000
RegistrationExpenseEuronext [Member]
Component of Operating Other Cost and Expense [Line Items]
Other Nonoperating Income (Expense)	683,000	0	923,000	0
Component of Other Income, Nonoperating, Name [Domain]
Component of Operating Other Cost and Expense [Line Items]
Other Nonoperating Income (Expense)	3,218,000	147,000	(1,694,000)	(1,724,000)
Gainlossonbusinessinterruptioninsuranc [Member] | gain loss on insurance recovery [Member]
Component of Operating Other Cost and Expense [Line Items]
Other Nonoperating Income (Expense)			$ (3,400,000)

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Equity Level 3 (Tables)

6 Months Ended

Jun. 30, 2012

Equity [Abstract]

Schedule of Stockholders Equity [Table Text Block]

The following table summarizes our changes in equity for the six months ended June 30, 2012 (in thousands):

(Unaudited)	Common Shares		Additional Paid-In Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Treasury Stock			Non-Controlling Interests		Total Equity
December 31, 2011	$	1,376	$	2,012		$	283,660		$	(1,739	)	$	(107,406	)	$	3,752	$	181,655
Stock options exercised	—		(60		)	—			—			65			—		5
Stock based-awards	—		490			—			—			8,413			—		8,903
Tax benefit of stock-based awards issued	—		3,466			—			—			—			—		3,466
Repurchase of common shares	—		—			—			—			(50,160		)	—		(50,160		)
Dividends paid	—		—			(26,624		)	—			—			—		(26,624		)
Amortization of deferred pension costs, net of tax	—		—			—			27			—			—		27
Net income (loss)	—		—			106,867			—			—			14		106,881
June 30, 2012	$	1,376	$	5,908		$	363,903		$	(1,712	)	$	(149,088	)	$	3,766	$	224,153

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Accumulated other comprehensive income (loss) consisted of the following (in thousands):

	June 30, 2012			December 31, 2011
	(Unaudited)
Prior service cost	$	(674	)	$	(734	)
Transition asset	226			259
Unrecognized net actuarial loss	(1,264		)	(1,264		)
Total accumulated other comprehensive income (loss)	$	(1,712	)	$	(1,739	)

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Other (Income), net Foreign Currency (Gain ) Loss by Currency (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Foreign Currency Transaction Gain (Loss), before Tax	$ 1,355	$ (9)	$ 330	$ (521)
AustralianDollar [Member]
Foreign Currency Transaction Gain (Loss), before Tax	(11)	(54)	(15)	(144)
Canadian Dollar [Member]
Foreign Currency Transaction Gain (Loss), before Tax	519	(124)	(18)	(543)
Euro [Member]
Foreign Currency Transaction Gain (Loss), before Tax	238	8	(7)	(74)
Malaysian Ringgit [Member]
Foreign Currency Transaction Gain (Loss), before Tax	130	3	79	(16)
Mexican Peso [Member]
Foreign Currency Transaction Gain (Loss), before Tax	191	41	39	142
Russian Ruble [Member]
Foreign Currency Transaction Gain (Loss), before Tax	(16)	(23)	(56)	(225)
Other Currencies Net [Member]
Foreign Currency Transaction Gain (Loss), before Tax	$ 304	$ 140	$ 308	$ 339

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Other (Income), net Level 3 (Tables)

6 Months Ended

Jun. 30, 2012

OTHER (INCOME), NET [Abstract]

ForeignCurrencyGainsLossesByCurrency [Table Text Block]

Foreign exchange (gain) loss by currency is summarized in the following table (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
Australian Dollar	$	(11	)	$	(54	)	$	(15	)	$	(144	)
Canadian Dollar	519			(124		)	(18		)	(543		)
Euro	238			8			(7		)	(74		)
Malaysian Ringgit	130			3			79			(16		)
Mexican Peso	191			41			39			142
Russian Ruble	(16		)	(23		)	(56		)	(225		)
Other currencies, net	304			140			308			339
Total (gain) loss	$	1,355		$	(9	)	$	330		$	(521	)

Schedule of Other Operating Cost and Expense, by Component [Table Text Block]

The components of other (income) expense, net, were as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
(Gain) loss on sale of assets	$	(227	)	$	(75	)	$	(313	)	$	(138	)
Foreign exchange (gain) loss	1,355			(9		)	330			(521		)
Interest income	(13		)	(30		)	(15		)	(85		)
Rents and royalties	(255		)	(382		)	(595		)	(833		)
(Gain) loss on insurance recovery	(101		)	(69		)	(3,467		)	(779		)
Legal entity realignment	1,860			711			1,860			711
NYSE Euronext Amsterdam listing	683			—			923			—
Other, net	(84		)	1			(417		)	(79		)
Total other (income) expense, net	$	3,218		$	147		$	(1,694	)	$	(1,724	)

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Basis of Presentation Level 1 (Notes)

6 Months Ended

Jun. 30, 2012

BASIS OF PRESENTATION [Abstract]

Basis of Presentation and Significant Accounting Policies [Text Block]

BASIS OF PRESENTATION

The accompanying unaudited consolidated financial statements include the accounts of Core Laboratories N.V. and its subsidiaries for which we have a controlling voting interest and/or a controlling financial interest. These financial statements have been prepared in accordance with United States ("U.S.") generally accepted accounting principles ("GAAP") for interim financial information using the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, these financial statements do not include all of the information and footnote disclosures required by U.S. GAAP and should be read in conjunction with the financial statements and the summary of significant accounting policies and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2011.

Core Laboratories N.V. uses the equity method of accounting for investments in which it has less than a majority interest and over which it does not exercise control. Non-controlling interests have been recorded to reflect outside ownership attributable to consolidated subsidiaries that are less than 100% owned.  In the opinion of management, all adjustments considered necessary for the periods presented have been included in these financial statements.  Furthermore, the operating results presented for the three and six months ended June 30, 2012 may not necessarily be indicative of the results that may be expected for the year ended December 31, 2012.

Core Laboratories N.V.'s balance sheet information for the year ended December 31, 2011 was derived from the 2011 audited consolidated financial statements but does not include all disclosures in accordance with U.S. GAAP.

Certain reclassifications were made to prior period amounts in order to conform to the current period presentation.  These reclassifications had no impact on the reported net income for the three and six month periods ended June 30, 2011.

Additionally, revision adjustments were made between Services Revenue and Product Sales Revenue and between Cost of Services and Cost of Product Sales in the Consolidated Statement of Operations for 2011 which did not affect total revenues, operating income or net income for the period.

References to "Core Lab", "we", "our" and similar phrases are used throughout this Quarterly Report on Form 10-Q and relate collectively to Core Laboratories N.V. and its consolidated subsidiaries.

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Balance Sheet Parenthetical Parentheticals (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Allowance for Doubtful Accounts Receivable, Current	$ 4,117	$ 3,762
Common Stock, Par or Stated Value Per Share	$ 0.02	$ 0.02
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Shares, Issued	49,037,808	49,037,806
Common Stock, Shares, Outstanding	47,366,753	47,629,472
Treasury Stock, Shares	1,671,055	1,408,334
Preferred Stock, Par or Stated Value Per Share	$ 0.02	$ 0.02
Preferred Stock, Shares Authorized	6,000,000	6,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0

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Segment Reporting Level 1 (Notes)

6 Months Ended

Jun. 30, 2012

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

SEGMENT REPORTING

We operate our business in three reportable segments:  (1) Reservoir Description, (2) Production Enhancement and (3) Reservoir Management.  These business segments provide different services and utilize different technologies.

• Reservoir Description: Encompasses the characterization of petroleum reservoir rock, fluid and gas samples. We provide analytical and field services to characterize properties of crude oil and petroleum products to the oil and gas industry.

• Production Enhancement: Includes products and services relating to reservoir well completions, perforations, stimulations and production. We provide integrated services to evaluate the effectiveness of well completions and to develop solutions aimed at increasing the effectiveness of enhanced oil recovery projects.

• Reservoir Management: Combines and integrates information from reservoir description and production enhancement services to increase production and improve recovery of oil and gas from our clients' reservoirs.

Results for these business segments are presented below.  We use the same accounting policies to prepare our business segment results as are used to prepare our Consolidated Financial Statements.  We evaluate performance based on income or loss before income tax, interest and other non-operating income (expense). All interest and other non-operating income (expense) is attributable to the Corporate & Other area and is not allocated to specific business segments. Summarized financial information concerning our segments is shown in the following table (in thousands):

(Unaudited)	Reservoir Description		Production Enhancement		Reservoir Management		Corporate & Other 1			Consolidated
Three Months Ended June 30, 2012
Revenues from unaffiliated customers	$	126,462	$	99,547	$	20,997	$	—		$	247,006
Inter-segment revenues	760		615		785		(2,160		)	—
Segment operating income (loss)	38,076		29,564		7,113		(2,627		)	72,126
Total assets (at end of period)	279,823		246,837		24,756		71,257			622,673
Capital expenditures	3,667		2,426		29		1,475			7,597
Depreciation and amortization	3,445		902		175		555			5,077
Three Months Ended June 30, 2011
Revenues from unaffiliated customers	$	118,758	$	88,787	$	18,240	$	—		$	225,785
Inter-segment revenues	447		357		595		(1,399		)	—
Segment operating income (loss)	26,629		24,500		7,307		(633		)	57,803
Total assets (at end of period)	272,298		208,114		19,146		52,675			552,233
Capital expenditures	4,079		2,499		284		743			7,605
Depreciation and amortization	3,517		1,578		169		541			5,805
Six Months Ended June 30, 2012
Revenues from unaffiliated customers	$	242,568	$	196,280	$	42,349	$	—		$	481,197
Inter-segment revenues	1,296		1,083		804		(3,183		)	—
Segment operating income (loss)	70,491		63,095		15,028		(2,582		)	146,032
Total assets	279,823		246,837		24,756		71,257			622,673
Capital expenditures	6,146		4,268		440		4,040			14,894
Depreciation and amortization	6,992		2,500		342		1,126			10,960
Six Months Ended June 30, 2011
Revenues from unaffiliated customers	$	226,379	$	170,885	$	35,254	$	—		$	432,518
Inter-segment revenues	816		665		954		(2,435		)	—
Segment operating income (loss)	53,067		47,762		13,971		(498		)	114,302
Total assets	272,298		208,114		19,146		52,675			552,233
Capital expenditures	7,382		3,303		391		908			11,984
Depreciation and amortization	6,999		3,217		349		1,071			11,636

(1) "Corporate & Other" represents those items that are not directly related to a particular segment and eliminations.

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Document and Entity Information Document	3 Months Ended
	Jun. 30, 2012	Jul. 19, 2012
Entity Information [Line Items]
Entity Registrant Name	CORE LABORATORIES N V
Entity Central Index Key	0001000229
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		47,306,751

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Recent Accounting Pronouncements Level 1 (Notes)

6 Months Ended

Jun. 30, 2012

RECENT ACCOUNTING PRONOUNCEMENTS [Abstract]

Description of New Accounting Pronouncements Not yet Adopted [Text Block]

12. RECENT ACCOUNTING PRONOUNCEMENTS

In May 2011, the FASB issued ASU 2011-04 relating to fair value measurement (FASB ASC Topic 820), which amends current guidance to achieve common fair value measurement and disclosure requirements in U.S. GAAP and International Financial Reporting Standards. The amendments generally represent clarification of FASB ASC Topic 820, but also include instances where a particular principle or requirement for measuring fair value or disclosing information about fair value measurements has changed. This pronouncement is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. We adopted this pronouncement for our fiscal year beginning January 1, 2012. The adoption of this pronouncement did not have a material effect on our consolidated financial statements.

In June 2011, the FASB issued ASU 2011-05 which provides new guidance on the presentation of comprehensive income (FASB ASC Topic 220) in financial statements. Entities are required to present total comprehensive income either in a single, continuous statement of comprehensive income or in two separate, but consecutive, statements. Under the single-statement approach, entities must include the components of net income, a total for net income, the components of other comprehensive income and a total for comprehensive income. Under the two-statement approach, entities must report an income statement and, immediately following, a statement of other comprehensive income. Under either method, entities must display adjustments for items reclassified from other comprehensive income to net income in both net income and other comprehensive income. The provisions for this pronouncement are effective for fiscal years, and interim periods within those years, beginning after December 15, 2011, with early adoption permitted. We adopted this pronouncement for our fiscal year beginning January 1, 2012. The adoption of this pronouncement did not have a material effect on our consolidated financial statements.

In September 2011, the FASB issued ASU 2011-08 relating to testing goodwill for impairment (FASB ASC Topic 350), which amends current guidance to simplify how entities test goodwill for impairment. The amendments permit an entity to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform the two-step goodwill impairment test described in Topic 350. Under this amendment, an entity is not required to calculate the fair value of a reporting unit unless the entity determines that it is more likely than not that its fair value is less than its carrying amount. This pronouncement is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011. We adopted this pronouncement for our fiscal year beginning January 1, 2012. The adoption of this pronouncement did not have a material effect on our consolidated financial statements.

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Consolidated Statements of Operations Statement (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
REVENUE:
Services	$ 175,749	$ 156,841	$ 338,418	$ 298,333
Product sales	71,257	68,944	142,779	134,185
Total Revenue	247,006	225,785	481,197	432,518
OPERATING EXPENSES:
Cost of services, exclusive of depreciation expense shown below	103,926	102,651	201,936	195,342
Cost of product sales, exclusive of depreciation expense shown below	52,454	49,622	103,584	93,681
General and Administrative Expense, Excluding Depreciation	10,205	9,757	20,379	19,281
Depreciation	4,788	5,507	10,384	11,047
Amortization	289	298	576	589
Other (income), net	3,218	147	(1,694)	(1,724)
OPERATING INCOME	72,126	57,803	146,032	114,302
Loss on exchange of Senior Exchangeable Notes	0	210	0	839
Interest expense	2,178	2,499	4,368	4,859
Income before income tax expense	69,948	55,094	141,664	108,604
Income Tax Expense (Benefit)	16,997	14,710	34,783	22,228
Net income	52,951	40,384	106,881	86,376
Net Income (Loss) Attributable to Non-controlling Interest		(67)		(365)
Net income attributable to Core Laboratories N.V.		40,451		86,741
EARNINGS PER SHARE INFORMATION:
Basic earnings per share attributable to Core Laboratories N.V.	$ 1.11	$ 0.88	$ 2.25	$ 1.90
Diluted earnings per share attributable to Core Laboratories N.V.	$ 1.11	$ 0.83	$ 2.23	$ 1.77
Cash dividends per share	$ 0.28	$ 0.25	$ 0.56	$ 0.50
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic	47,473	45,945	47,539	45,587
Diluted	47,791	48,662	47,868	48,942
Noncontrolling Interest [Member]
OPERATING EXPENSES:
Net Income (Loss) Attributable to Non-controlling Interest	35		14
Retained Earnings [Member]
OPERATING EXPENSES:
Net income attributable to Core Laboratories N.V.	$ 52,916		$ 106,867

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Commitments and Contingencies Level 1 (Notes)

6 Months Ended

Jun. 30, 2012

COMMITMENTS AND CONTINGENCIES [Abstract]

Commitments and Contingencies Disclosure [Text Block]

COMMITMENTS AND CONTINGENCIES

We have been and may from time to time be named as a defendant in legal actions that arise in the ordinary course of business.  These include, but are not limited to, employment-related claims and contractual disputes or claims for personal injury or property damage which occur in connection with the provision of our products and services.  Management does not currently believe that any of our pending contractual, employment-related, personal injury or property damage claims and disputes will have a material effect on our future results of operations, financial position or cash flow.

As a result of a fire in 2011 at one of our supplier's facilities that provided certain high performance specialty steel tubulars used with the Company's perforating systems, we filed a claim under our business interruption insurance policy in the amount of $5 million. During the first six months of 2012, we received notice and payment from the insurer that they agreed with $3.4 million of the claim and will continue reviewing the remainder of the claim. As a result, we recorded a gain of $3.4 million. The claim is still open and any additional amounts agreed to will be recorded as a component of "Other (Income) Expense, Net" in that period.

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Pensions and Other Postretirement Benefits Level 1 (Notes)

6 Months Ended

Jun. 30, 2012

PENSIONS AND OTHER POSTRETIREMENT BENEFITS [Abstract]

Pension and Other Postretirement Benefits Disclosure [Text Block]

PENSIONS AND OTHER POSTRETIREMENT BENEFITS

We provide a noncontributory defined benefit pension plan covering substantially all of our Dutch employees (the "Dutch Plan") who were hired prior to 2007 based on years of service and final pay or career average pay, depending on when the employee began participating. The benefits earned by the employees are immediately vested.  We fund the future obligations of the Dutch Plan by purchasing investment contracts from a large multi-national insurance company.  The investment contracts are purchased annually and expire after five years at which time they are replaced with new contracts that are adjusted to include changes in the benefit obligation for the current year and redemption of the expired contracts.  We determine the fair value of these plan assets with the assistance of an actuary using observable inputs (Level 2).  We make annual premium payments to the insurance company based on each employee's age and current salary.

The following table summarizes the components of net periodic pension cost under this plan for the three and six months ended June 30, 2012 and 2011 (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
Service cost	$	285		$	352		$	572		$	687
Interest cost	425			454			853			886
Expected return on plan assets	(304		)	(211		)	(610		)	(412		)
Amortization of transition asset	(22		)	(22		)	(44		)	(44		)
Amortization of prior service cost	40			40			80			80
Amortization of net loss	—			84			—			168
Net periodic pension cost	$	424		$	697		$	851		$	1,365

During the six months ended June 30, 2012, we contributed approximately $1.6 million, as determined by the insurance company, to fund the estimated 2012 premiums on investment contracts held by the Dutch Plan.

We have adopted a non-qualified deferred compensation plan that allows certain highly compensated employees to defer a portion of their salary, commission and bonus, as well as the amount of any reductions in their deferrals under the deferred compensation plan for employees in the United States (the "Deferred Compensation Plan"), due to certain limitations imposed by the U.S. Internal Revenue Code of 1986, as amended (the "Internal Revenue Code").  The Deferred Compensation Plan also provides for employer contributions to be made on behalf of participants equal in amount to certain forfeitures of, and/or reductions in, employer contributions that participants could have received under the 401(k) Plan in the absence of certain limitations imposed by the Internal Revenue Code. Employer contributions to the Deferred Compensation Plan vest ratably over a period of five years. Contributions to the plan are invested in equity and other investment fund assets within life insurance policies, and carried on the balance sheet at fair value. A participant's plan benefits include the participant's deferrals, the vested portion of the employer's contributions, and deemed investment gains and losses on such amounts. The benefits under these contracts are fully vested and payment of benefits generally commences as of the last day of the month following the termination of services except that the payment of benefits for select executives generally commences on the first working day following a six month waiting period following the date of termination.

On a recurring basis, we use the market approach to value certain assets and liabilities at fair value at quoted prices in an active market (Level 1) and certain assets and liabilities using significant other observable inputs (Level 2). We do not have any assets or liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3). Gains and losses related to the fair value changes in the deferred compensation assets and liabilities are recorded in General and Administrative Expenses in the Consolidated Statements of Operations.  The following table summarizes the fair value balances (in thousands):

(Unaudited)			Fair Value Measurement at
			June 30, 2012
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets	$	11,189	$	—	$	11,189	$	—
Liabilities:
Deferred compensation plan	$	17,023	$	3,053	$	13,970	$	—

			Fair Value Measurement at
			December 31, 2011
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets	$	9,934	$	—	$	9,934	$	—
Liabilities:
Deferred compensation plan	$	15,141	$	3,086	$	12,055	$	—

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Earnings per Share Level 3 (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

The

following table summarizes the calculation of weighted average common shares outstanding used in the computation of diluted earnings per share (in thousands):

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2012	2011	2012	2011
	(Unaudited)		(Unaudited)
Weighted average basic common shares outstanding	47,473	45,945	47,539	45,587
Effect of dilutive securities:
Stock options	11	23	12	24
Contingent shares	133	68	124	63
Restricted stock and other	174	230	193	274
Senior exchangeable notes	—	1,097	—	1,176
Warrants	—	1,299	—	1,818
Weighted average diluted common and potential common shares outstanding	47,791	48,662	47,868	48,942

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Inventories (Tables)

6 Months Ended

Jun. 30, 2012

INVENTORIES [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following (in thousands):

	June 30, 2012		March 31, 2012		December 31, 2011
	(Unaudited)		(Unaudited)
Finished goods	$	40,768	$	39,233	$	32,604
Parts and materials	15,410		15,934		18,004
Work in progress	2,003		2,952		2,606
Total inventories	$	58,181	$	58,119	$	53,214

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Other (Income), net Level 1 (Notes)

6 Months Ended

Jun. 30, 2012

OTHER (INCOME), NET [Abstract]

Other Income and Other Expense Disclosure [Text Block]

OTHER (INCOME) EXPENSE, NET

The components of other (income) expense, net, were as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
(Gain) loss on sale of assets	$	(227	)	$	(75	)	$	(313	)	$	(138	)
Foreign exchange (gain) loss	1,355			(9		)	330			(521		)
Interest income	(13		)	(30		)	(15		)	(85		)
Rents and royalties	(255		)	(382		)	(595		)	(833		)
(Gain) loss on insurance recovery	(101		)	(69		)	(3,467		)	(779		)
Legal entity realignment	1,860			711			1,860			711
NYSE Euronext Amsterdam listing	683			—			923			—
Other, net	(84		)	1			(417		)	(79		)
Total other (income) expense, net	$	3,218		$	147		$	(1,694	)	$	(1,724	)

During the second quarter of 2012, we incurred legal, accounting and other fees in connection with the realignment of certain of our legal entities into a more cost effective structure and the listing of our shares on the NYSE Euronext Amsterdam Stock Exchange.

As a result of a fire in 2011 at one of our supplier's facilities that provided certain high performance specialty steel tubulars used with the Company's perforating systems, we filed a claim under our business interruption insurance policy in the amount of $5 million. During the first quarter of 2012, we received notice from the insurer that they agreed to pay $3.4 million of the claim and will continue reviewing the remainder of the claim. As a result, we recorded a gain of $3.4 million in the first quarter of 2012.

During 2011, as a result of reaching a settlement on a fire damage claim we filed in 2010, we recorded an insurance recovery gain of $0.8 million.

Foreign exchange (gain) loss by currency is summarized in the following table (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
Australian Dollar	$	(11	)	$	(54	)	$	(15	)	$	(144	)
Canadian Dollar	519			(124		)	(18		)	(543		)
Euro	238			8			(7		)	(74		)
Malaysian Ringgit	130			3			79			(16		)
Mexican Peso	191			41			39			142
Russian Ruble	(16		)	(23		)	(56		)	(225		)
Other currencies, net	304			140			308			339
Total (gain) loss	$	1,355		$	(9	)	$	330		$	(521	)

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Equity Level 1 (Notes)

6 Months Ended

Jun. 30, 2012

Equity [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

EQUITY

During the three months ended June 30, 2012, we repurchased 299,104 of our common shares for $37.3 million. Included in this total were rights to 32,311 shares valued at $4.2 million that were surrendered to us pursuant to the terms of a stock-based compensation plan in consideration of the participants' tax burdens that may result from the issuance of common shares under that plan. During the six months ended June 30, 2012, we repurchased 403,383 of our common shares for $50.2 million. Included in this total were rights to 38,590 shares valued at $4.9 million that were surrendered to us pursuant to the terms of a stock-based compensation plan in consideration of the participants' tax burdens that may result from the issuance of common shares under that plan. Such common shares, unless canceled, may be reissued for a variety of purposes such as future acquisitions, non-employee director stock awards or employee stock awards.

In February and May 2012, we paid a quarterly dividend of $0.28 per share of common stock.  In addition, on July 10, 2012, we declared a quarterly dividend of $0.28 per share of common stock for shareholders of record on July 20, 2012 and payable on August 20, 2012.

The following table summarizes our changes in equity for the six months ended June 30, 2012 (in thousands):

(Unaudited)	Common Shares		Additional Paid-In Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Treasury Stock			Non-Controlling Interests		Total Equity
December 31, 2011	$	1,376	$	2,012		$	283,660		$	(1,739	)	$	(107,406	)	$	3,752	$	181,655
Stock options exercised	—		(60		)	—			—			65			—		5
Stock based-awards	—		490			—			—			8,413			—		8,903
Tax benefit of stock-based awards issued	—		3,466			—			—			—			—		3,466
Repurchase of common shares	—		—			—			—			(50,160		)	—		(50,160		)
Dividends paid	—		—			(26,624		)	—			—			—		(26,624		)
Amortization of deferred pension costs, net of tax	—		—			—			27			—			—		27
Net income (loss)	—		—			106,867			—			—			14		106,881
June 30, 2012	$	1,376	$	5,908		$	363,903		$	(1,712	)	$	(149,088	)	$	3,766	$	224,153

Accumulated other comprehensive income (loss) consisted of the following (in thousands):

	June 30, 2012			December 31, 2011
	(Unaudited)
Prior service cost	$	(674	)	$	(734	)
Transition asset	226			259
Unrecognized net actuarial loss	(1,264		)	(1,264		)
Total accumulated other comprehensive income (loss)	$	(1,712	)	$	(1,739	)

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Earnings per Share Level 1 (Notes)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

EARNINGS PER SHARE

We compute basic earnings per common share by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period. Diluted earnings per common and potential common shares include additional shares in the weighted average share calculations associated with the incremental effect of dilutive employee stock options, restricted stock awards and contingently issuable shares, as determined using the treasury stock method. The

following table summarizes the calculation of weighted average common shares outstanding used in the computation of diluted earnings per share (in thousands):

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2012	2011	2012	2011
	(Unaudited)		(Unaudited)
Weighted average basic common shares outstanding	47,473	45,945	47,539	45,587
Effect of dilutive securities:
Stock options	11	23	12	24
Contingent shares	133	68	124	63
Restricted stock and other	174	230	193	274
Senior exchangeable notes	—	1,097	—	1,176
Warrants	—	1,299	—	1,818
Weighted average diluted common and potential common shares outstanding	47,791	48,662	47,868	48,942

In 2006, we issued $300 million aggregate principal amount of Senior Exchangeable Notes (the "Exchangeable Notes") which were exchangeable into shares of Core Laboratories N.V. common stock under certain circumstances. Included in the table above are 1,097,000 shares which were added to the share count for the three months ended June 30, 2011, and 1,176,000 shares which were added to the share count for the six months ended June 30, 2011.  These shares were included in calculating the impact to our dilutive earnings per share for the three and six months ended June 30, 2011. All of the Exchangeable Notes were exchanged or reached maturity in 2011.

In 2006, we sold warrants that gave the holders the right to acquire our common shares. Included in the table above are 1,299,000 shares which were added to the share count for the three months ended June 30, 2011, and 1,818,000 shares which were added to the share count for the six months ended June 30, 2011, because the average share price exceeded the strike price of the warrants.  These shares were included in calculating the impact to our dilutive earnings per share for the three and six months ended June 30, 2011. The warrants were fully settled in 2011.

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Income Tax Expense Level 1 (Notes)

6 Months Ended

Jun. 30, 2012

INCOME TAX EXPENSE [Abstract]

Income Tax Disclosure [Text Block]

INCOME TAX EXPENSE

The effective tax rates for the three months ended June 30, 2012 and 2011 were 24.3% and 26.7%, respectively.  The effective tax rates for the year-to-date 2012 and 2011 were 24.6% and 20.5%, respectively.  

Included in the six months ended June 30, 2011 is the reversal of $10.4 million in tax liabilities provided over the period of 2007-2010 as a result of audits of prior year returns offset by $3.7 million in other discrete items. The change in income tax expense also reflects the change in activity levels among jurisdictions with different tax rates.

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Earnings per Share Level 4 (Details) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Weighted Average Number of Shares Outstanding, Basic	47,473	45,945	47,539	45,587
Incremental Common Shares Attributable to Stock Options	11	23	12	24
Incremental Common Shares Attributable to Contingently Issuable Shares	133	68	124	63
Weighted Average Number of Shares, Restricted Stock	174	230	193	274
Incremental Common Shares Attributable to Conversion of Debt Securities	0	1,097	0	1,176
Incremental Common Shares Attributable to Call Options and Warrants	0	1,299	0	1,818
Weighted Average Number of Shares Outstanding, Diluted	47,791	48,662	47,868	48,942

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Pensions and Other Postretirement Benefits Level 3 (Tables)

6 Months Ended

Jun. 30, 2012

PENSIONS AND OTHER POSTRETIREMENT BENEFITS [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

The following table summarizes the components of net periodic pension cost under this plan for the three and six months ended June 30, 2012 and 2011 (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Unaudited)						(Unaudited)
Service cost	$	285		$	352		$	572		$	687
Interest cost	425			454			853			886
Expected return on plan assets	(304		)	(211		)	(610		)	(412		)
Amortization of transition asset	(22		)	(22		)	(44		)	(44		)
Amortization of prior service cost	40			40			80			80
Amortization of net loss	—			84			—			168
Net periodic pension cost	$	424		$	697		$	851		$	1,365

Fair Value, by Balance Sheet Grouping [Table Text Block]

The following table summarizes the fair value balances (in thousands):

(Unaudited)			Fair Value Measurement at
			June 30, 2012
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets	$	11,189	$	—	$	11,189	$	—
Liabilities:
Deferred compensation plan	$	17,023	$	3,053	$	13,970	$	—

			Fair Value Measurement at
			December 31, 2011
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets	$	9,934	$	—	$	9,934	$	—
Liabilities:
Deferred compensation plan	$	15,141	$	3,086	$	12,055	$	—

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Inventories Inventories (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Mar. 31, 2011
Inventory, Finished Goods	$ 40,768	$ 32,604	$ 39,233
Inventory, Raw Materials and Purchased Parts, Net of Reserves	15,410	18,004	15,934
Inventory, Work in Process	2,003	2,606	2,952
Inventory, Net	$ 58,181	$ 53,214	$ 58,119

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Consolidated Statement of Other Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Mar. 31, 2011	Jun. 30, 2012	Jun. 30, 2011
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax	$ (5)	$ (26)	$ (9)	$ (52)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	52,964	40,460	106,908	86,528
Net Income (Loss) Attributable to Non-controlling Interest				(365)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	52,951		106,881	86,376
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 52,929	$ 40,527	$ 106,894	$ 86,893

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Debt Level 1 (Notes)

6 Months Ended

Jun. 30, 2012

Debt and Capital Lease Obligations [Abstract]

Debt Disclosure [Text Block]

DEBT AND CAPITAL LEASE OBLIGATIONS

Debt is summarized in the following table (in thousands):

	June 30, 2012		December 31, 2011
	(Unaudited)
Senior notes	150,000		150,000
Credit facility	56,000		73,000
Capital lease obligations	102		132
Other indebtedness	574		2,287
Total debt	206,676		225,419
Less - current maturities of long-term debt and capital lease obligations	623		2,344
Long-term debt and capital lease obligations, net	$	206,053	$	223,075

In 2011, we issued two series of senior notes with an aggregate principal amount of $150 million ("Senior Notes") in a private placement transaction. Series A consists of $75 million in aggregate principal amount of notes that bear interest at a fixed rate of 4.01% and are due in full on September 30, 2021. Series B consists of $75 million in aggregate principal amount of notes that bear interest at a fixed rate of 4.11% and are due in full on September 30, 2023. Interest on each series of the Senior Notes is payable semi-annually on March 30 and September 30.

We maintain a credit facility (the "Credit Facility") with an aggregate borrowing capacity of $300 million at June 30, 2012. The Credit Facility provides an option to increase the commitment under the Credit Facility to $350 million, if certain conditions are met.  The Credit Facility bears interest at variable rates from LIBOR plus 1.50% to a maximum of LIBOR plus 2.25%.  Any outstanding balance under the Credit Facility is due September 28, 2016 when the Credit Facility matures. Interest payment terms are variable depending upon the specific type of borrowing under this facility. Our available capacity at any point in time is reduced by borrowings outstanding at the time and outstanding letters of credit and performance guarantees and bonds which totaled $16.0 million at June 30, 2012, resulting in an available borrowing capacity under the Credit Facility of $228.0 million.  In addition to those items under the Credit Facility, we had $24.9 million of outstanding letters of credit and performance guarantees and bonds from other sources as of June 30, 2012.

The terms of the Credit Facility and the Senior Notes require us to meet certain financial and operational covenants, including, but not limited to, certain operational and minimum equity and cash flow ratios. We were in compliance with all such covenants at June 30, 2012, and expect to remain in compliance for the foreseeable future.  Certain of our material, wholly-owned subsidiaries are guarantors or co-borrowers under the Credit Facility and Senior Notes.

The estimated fair value of total debt at June 30, 2012 and December 31, 2011 approximated the book value of total debt. The fair value was estimated using Level 2 inputs including rates on similar debt recently issued by our peer group.

Other indebtedness includes approximately $0.6 million of debt incurred relating to the financing of our corporate insurance.

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Goodwill and Intangibles (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Goodwill [Line Items]
Business Acquisition, Cost of Acquired Entity, Purchase Price		$ 19
Goodwill, Acquired During Period	0.6	9.0
Acquired Finite-lived Intangible Asset, Amount		$ 0.5

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Segment Reporting Level 4 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Segment Reporting Information [Line Items]
TOTAL ASSETS	$ 622,673	$ 552,233	$ 622,673	$ 552,233	$ 610,873
Capital expenditures	7,597	7,605	14,894	11,984
Depreciation and amortization	5,077	5,805	10,960	11,636
Total Revenue	247,006	225,785	481,197	432,518
Segment Reporting Information, Intersegment Revenue	0	0	0	0
OPERATING INCOME	72,126	57,803	146,032	114,302
Operating Segment Reservoir Description [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	279,823	272,298	279,823	272,298
Capital expenditures	3,667	4,079	6,146	7,382
Depreciation and amortization	3,445	3,517	6,992	6,999
Total Revenue	126,462	118,758	242,568	226,379
Segment Reporting Information, Intersegment Revenue	760	447	1,296	816
OPERATING INCOME	38,076	26,629	70,491	53,067
Operating Segment Production Enhancement [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	246,837	208,114	246,837	208,114
Capital expenditures	2,426	2,499	4,268	3,303
Depreciation and amortization	902	1,578	2,500	3,217
Total Revenue	99,547	88,787	196,280	170,885
Segment Reporting Information, Intersegment Revenue	615	357	1,083	665
OPERATING INCOME	29,564	24,500	63,095	47,762
Operating Segment Reservoir Management [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	24,756	19,146	24,756	19,146
Capital expenditures	29	284	440	391
Depreciation and amortization	175	169	342	349
Total Revenue	20,997	18,240	42,349	35,254
Segment Reporting Information, Intersegment Revenue	785	595	804	954
OPERATING INCOME	7,113	7,307	15,028	13,971
Operating Segment Corporate And Other [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	71,257	52,675	71,257	52,675
Capital expenditures	1,475	743	4,040	908
Depreciation and amortization	555	541	1,126	1,071
Total Revenue	0	0	0	0
Segment Reporting Information, Intersegment Revenue	(2,160)	(1,399)	(3,183)	(2,435)
OPERATING INCOME	$ (2,627)	$ (633)	$ (2,582)	$ (498)

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Debt Level 3 (Tables)

6 Months Ended

Jun. 30, 2012

Debt and Capital Lease Obligations [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

Debt is summarized in the following table (in thousands):

	June 30, 2012		December 31, 2011
	(Unaudited)
Senior notes	150,000		150,000
Credit facility	56,000		73,000
Capital lease obligations	102		132
Other indebtedness	574		2,287
Total debt	206,676		225,419
Less - current maturities of long-term debt and capital lease obligations	623		2,344
Long-term debt and capital lease obligations, net	$	206,053	$	223,075