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 March 31, 2013
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 April 18, 2013 was 45,910,270.

CORE LABORATORIES N.V.
FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2013
INDEX
PART I - FINANCIAL INFORMATION
		Page
Item 1.	Financial Statements
	Consolidated Balance Sheets (Unaudited) at March 31, 2013 and December 31, 2012	1
	Consolidated Statements of Operations (Unaudited) for the Three Months Ended March 31, 2013 and 2012	2
	Consolidated Statements of Comprehensive Income (Unaudited) for the Three Months Ended March 31, 2013 and 2012	3
	Consolidated Statements of Cash Flows (Unaudited) for the Three Months Ended March 31, 2013 and 2012	4
	Notes to the Unaudited Consolidated Interim Financial Statements	5
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	12
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	20
Item 4.	Controls and Procedures	20
PART II - OTHER INFORMATION
Item 1.	Legal Proceedings	21
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	21
Item 6.	Exhibits	22
	Signature	23

PART I - FINANCIAL INFORMATION

Item 1. Financial Statements

CORE LABORATORIES N.V.

CONSOLIDATED BALANCE SHEETS

(In thousands, except share and per share data)

	March 31, 2013			December 31, 2012
ASSETS	(Unaudited)
CURRENT ASSETS:
Cash and cash equivalents	$	22,927		$	19,226
Accounts receivable, net of allowance for doubtful accounts of $3,368 and $3,516 at 2013 and 2012, respectively	200,136			184,774
Inventories	50,767			49,265
Prepaid expenses	15,326			14,959
Income tax receivable	12,613			17,943
Other current assets	11,098			10,740
TOTAL CURRENT ASSETS	312,867			296,907
PROPERTY, PLANT AND EQUIPMENT, net	127,731			125,418
INTANGIBLES, net	9,266			8,721
GOODWILL	163,337			163,337
DEFERRED TAX ASSETS, net	11,907			13,224
OTHER ASSETS	30,335			28,909
TOTAL ASSETS	$	655,443		$	636,516
LIABILITIES AND EQUITY
CURRENT LIABILITIES:
Accounts payable	$	54,078		$	55,168
Accrued payroll and related costs	29,439			34,919
Taxes other than payroll and income	10,332			11,787
Unearned revenue	20,735			13,868
Income tax payable	22,125			9,542
Other accrued expenses	14,041			15,226
TOTAL CURRENT LIABILITIES	150,750			140,510
LONG-TERM DEBT AND CAPITAL LEASE OBLIGATIONS	241,022			234,033
DEFERRED COMPENSATION	30,325			28,112
DEFERRED TAX LIABILITIES, net	6,364			6,777
OTHER LONG-TERM LIABILITIES	39,075			39,171
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, 47,899,584 issued and 46,014,070 outstanding at 2013 and 47,899,584 issued and 46,349,411 outstanding at 2012	1,233			1,233
Additional paid-in capital	2,350			—
Retained earnings	402,951			361,255
Accumulated other comprehensive income (loss)	(8,312		)	(8,413		)
Treasury shares (at cost), 1,885,514 at 2013 and 1,550,173 at 2012	(216,214		)	(171,845		)
Total Core Laboratories N.V. shareholders' equity	182,008			182,230
Non-controlling interests	5,899			5,683
TOTAL EQUITY	187,907			187,913
TOTAL LIABILITIES AND EQUITY	$	655,443		$	636,516

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
	March 31,
	2013			2012
	(Unaudited)
REVENUE:
Services	$	182,481		$	162,669
Product sales	78,446			71,522
Total revenue	260,927			234,191
OPERATING EXPENSES:
Cost of services, exclusive of depreciation expense shown below	110,153			98,010
Cost of product sales, exclusive of depreciation expense shown below	53,492			51,130
General and administrative expenses, exclusive of depreciation expense shown below	12,809			10,174
Depreciation	5,723			5,596
Amortization	302			287
Other (income) expense, net	(589		)	(4,912		)
OPERATING INCOME	79,037			73,906
Interest expense	2,269			2,190
Income before income tax expense	76,768			71,716
Income tax expense	20,036			17,786
Net income	56,732			53,930
Net income (loss) attributable to non-controlling interests	216			(21		)
Net income attributable to Core Laboratories N.V.	$	56,516		$	53,951
EARNINGS PER SHARE INFORMATION:
Basic earnings per share attributable to Core Laboratories N.V.	$	1.22		$	1.13
Diluted earnings per share attributable to Core Laboratories N.V.	$	1.22		$	1.13
Cash dividends per share	$	0.32		$	0.28
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic	46,201			47,606
Diluted	46,493			47,945

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

2

CORE LABORATORIES N.V.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In thousands)

	Three Months Ended
	March 31,
	2013			2012
	(Unaudited)
Net income	$	56,732		$	53,930
Pension and other postretirement benefit plans
Prior service cost
Amortization to net income of transition asset	(22		)	(22		)
Amortization to net income of prior service cost	40			40
Amortization to net income of actuarial loss	117			—
Income taxes on pension and other postretirement benefit plans	(34		)	(4		)
Comprehensive income	56,833			53,944
Comprehensive income (loss) attributable to non-controlling interests	216			(21		)
Comprehensive income attributable to Core Laboratories N.V.	$	56,617		$	53,965

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

3

CORE LABORATORIES N.V.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

	Three Months Ended
	March 31,
	2013			2012
	(Unaudited)
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	56,732		$	53,930
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	5,138			4,388
Depreciation and amortization	6,025			5,883
(Gain) on insurance recovery	(539		)	(3,366		)
(Increase) decrease in value of life insurance policies	(1,368		)	(1,661		)
Deferred income taxes	975			(1,091		)
Other non-cash items	278			452
Changes in assets and liabilities:
Accounts receivable	(14,811		)	2,195
Inventories	(1,876		)	(5,055		)
Prepaid expenses and other current assets	4,360			(2,822		)
Other assets	403			(932		)
Accounts payable	(681		)	(7,315		)
Accrued expenses	4,638			(2,144		)
Unearned revenue	6,867			6,603
Other long-term liabilities	2,117			4,724
Net cash provided by operating activities	68,258			53,789
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(8,443		)	(7,297		)
Patents and other intangibles	(847		)	(147		)
Proceeds from sale of assets	377			136
Premiums on life insurance	(654		)	(679		)
Net cash used in investing activities	(9,567		)	(7,987		)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of debt	(18,013		)	(26,867		)
Proceeds from debt	25,000			1,000
Stock options exercised	35			—
Excess tax benefits from stock-based compensation	553			500
Debt financing costs	—			(7		)
Dividends paid	(14,820		)	(13,334		)
Repurchase of common shares	(47,745		)	(12,889		)
Net cash used in financing activities	(54,990		)	(51,597		)
NET CHANGE IN CASH AND CASH EQUIVALENTS	3,701			(5,795		)
CASH AND CASH EQUIVALENTS, beginning of period	19,226			29,332
CASH AND CASH EQUIVALENTS, end of period	$	22,927		$	23,537

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

4

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, 2012 (the "2012 Annual Report").

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 a fair statement of the results for the interim periods presented have been included in these financial statements.  Furthermore, the operating results presented for the three months ended March 31, 2013 may not necessarily be indicative of the results that may be expected for the year ended December 31, 2013.

Core Laboratories N.V.'s balance sheet information for the year ended December 31, 2012 was derived from the 2012 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 or cash flows for the three month period ended March 31, 2012.

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):

	March 31, 2013		December 31, 2012
	(Unaudited)
Finished goods	$	38,917	$	38,572
Parts and materials	8,992		8,818
Work in progress	2,858		1,875
Total inventories	$	50,767	$	49,265

We include freight costs incurred for shipping inventory to customers in the Cost of product 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 is possible.  Based upon our most recent evaluation, we determined that goodwill is not impaired.  We amortize intangible assets with a finite life on a straight-line basis over their respective useful lives.

4.  DEBT AND CAPITAL LEASE OBLIGATIONS

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

5

	March 31, 2013		December 31, 2012
	(Unaudited)
Senior notes	$	150,000	$	150,000
Credit facility	91,000		84,000
Capital lease obligations	61		73
Total debt	241,061		234,073
Less - current maturities of long-term debt and capital lease obligations	39		40
Long-term debt and capital lease obligations, net	$	241,022	$	234,033

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 March 31, 2013. 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 which totaled $16.5 million at March 31, 2013, resulting in an available borrowing capacity under the Credit Facility of $192.5 million.  In addition to those items under the Credit Facility, we had $21.7 million of outstanding letters of credit and performance guarantees and bonds from other sources as of March 31, 2013.

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 believe that we are in compliance with all such covenants contained in our credit agreements. 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 March 31, 2013 and December 31, 2012 approximated the book value of total debt. The fair value was estimated using Level 2 inputs by calculating the sum of the discounted future interest and principal payments through the date of maturity.

5.  PENSIONS AND OTHER POSTRETIREMENT BENEFITS

Defined Benefit Plan

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 insurance contracts from a large multi-national insurance company. The insurance contracts are purchased annually and renew 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 make annual premium payments to the insurance company based on each employee's age and current salary, and the contractual growth rate. We determine the fair value of these plan assets with the assistance of an actuary using observable inputs (Level 2), which approximates the contract value of the investments.

The following table summarizes the components of net periodic pension cost under this plan for the three months ended March 31, 2013 and 2012 (in thousands):

6

	Three Months Ended
	March 31,
	2013			2012
	(Unaudited)
Service cost	$	396		$	287
Interest cost	420			428
Expected return on plan assets	(323		)	(306		)
Amortization of transition asset	(22		)	(22		)
Amortization of prior service cost	40			40
Amortization of actuarial loss	117			—
Net periodic pension cost	$	628		$	427

During the three months ended March 31, 2013, we contributed approximately $1.9 million, as determined by the insurance company, to fund the estimated 2013 premiums on investment contracts held by the Dutch Plan.

Defined Contribution Plans

We maintain five defined contribution plans (the "Defined Contribution Plans") for the benefit of eligible employees in Canada, The Netherlands, Puerto Rico, the United Kingdom and the United States. In accordance with the terms of each plan, we and our participating employees contribute up to specified limits, and under certain plans, we may make discretionary contributions in accordance with the Defined Contribution Plans.

Deferred Compensation Arrangements

We have entered into deferred compensation contracts for certain key employees and an outside director. The benefits under these contracts are fully vested and benefits are paid when the participants attain 65 years of age. Life insurance policies with cash surrender values have been purchased for the purpose of assisting in the funding of the deferred compensation contracts.

We have also 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.

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) with the assistance of a third party specialist. 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
			March 31, 2013
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets (1)	$	13,344	$	—	$	13,344	$	—
Liabilities:
Deferred compensation plan	$	20,188	$	2,968	$	17,220	$	—

7

			Fair Value Measurement at
			December 31, 2012
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets (1)	$	12,654	$	—	$	12,654	$	—
Liabilities:
Deferred compensation plan	$	18,579	$	2,667	$	15,912	$	—
(1) Trust assets consist of the cash surrender value of life insurance policies and are intended to assist in the funding of the deferred compensation plan.

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 services and products.  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.

7.  EQUITY

During the three months ended March 31, 2013, we repurchased 364,541 of our common shares for $47.7 million. Included in this total were rights to 5,864 shares valued at $0.8 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 2013, we paid a quarterly dividend of $0.32 per share of common stock.  In addition, on April 15, 2013, we declared a quarterly dividend of $0.32 per share of common stock for shareholders of record on April 26, 2013 and payable on May 24, 2013.

The following table summarizes our changes in equity for the three months ended March 31, 2013 (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, 2012	$	1,233	$	—		$	361,255		$	(8,413	)	$	(171,845	)	$	5,683	$	187,913
Stock options exercised	—		(951		)	—			—			986			—		35
Stock based-awards	—		2,748			—			—			2,390			—		5,138
Tax benefit of stock-based awards issued	—		553			—			—			—			—		553
Repurchase of common shares	—		—			—			—			(47,745		)	—		(47,745		)
Dividends paid	—		—			(14,820		)	—			—			—		(14,820		)
Amortization of deferred pension costs, net of tax	—		—			—			101			—			—		101
Net income (loss)	—		—			56,516			—			—			216		56,732
March 31, 2013	$	1,233	$	2,350		$	402,951		$	(8,312	)	$	(216,214	)	$	5,899	$	187,907

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

8

	March 31, 2013			December 31, 2012
	(Unaudited)
Prior service cost	$	(586	)	$	(616	)
Transition asset	179			195
Unrecognized net actuarial loss	(7,905		)	(7,992		)
Total accumulated other comprehensive income (loss)	$	(8,312	)	$	(8,413	)

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
	March 31,
	2013	2012
	(Unaudited)
Weighted average basic common shares outstanding	46,201	47,606
Effect of dilutive securities:
Stock options	4	12
Performance shares	80	114
Restricted stock	208	213
Weighted average diluted common and potential common shares outstanding	46,493	47,945

9. OTHER (INCOME) EXPENSE, NET

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

	Three Months Ended
	March 31,
	2013			2012
	(Unaudited)
(Gain) loss on sale of assets	$	(209	)	$	(86	)
Results of non-consolidated subsidiaries	(96		)	(66		)
Foreign exchange (gain) loss	891			(1,025		)
Interest income	(371		)	(2		)
Rents and royalties	(230		)	(340		)
(Gain) loss on insurance recovery	(539		)	(3,366		)
Other, net	(35		)	(27		)
Total other (income) expense, net	$	(589	)	$	(4,912	)

We incurred property losses during Hurricane Isaac in 2012. During the first quarter of 2013, the insurer agreed to pay $0.9 million of the claim and will continue reviewing the remainder of the claim. As a result, we recorded the net gain of $0.5 million in Other (income) expense, net. Subsequent to March 31, 2013, we received payment of the agreed amount.

9

During the first quarter of 2013, we received interest of $0.4 million as part of an income tax refund related to a previous year.

As a result of a supply disruption in 2011 from a key vendor that provided certain high performance specialty steel tubulars used with the our perforating systems, we filed a claim under our business interruption insurance policy. We recorded a gain of $3.4 million in the first quarter of 2012 when the initial payment was received from the insurance carrier.

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

	Three Months Ended
	March 31,
	2013			2012
	(Unaudited)
Australian Dollar	$	45		$	(4	)
British Pound	462			11
Canadian Dollar	303			(537		)
Euro	228			(245		)
Malaysian Ringgit	82			(51		)
Mexican Peso	(127		)	(152		)
Russian Ruble	6			(40		)
Other currencies, net	(108		)	(7		)
Total (gain) loss	$	891		$	(1,025	)

10.  INCOME TAX EXPENSE

The effective tax rates for the three months ended March 31, 2013 and 2012 were 26.1% and 24.8%, respectively.   

Included in the three months ended March 31, 2012 is the reversal of $1.1 million in tax valuation allowance related to various jurisdictions. 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 operating 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 services and products 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 operating 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. 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):

10

(Unaudited)	Reservoir Description		Production Enhancement		Reservoir Management		Corporate & Other 1			Consolidated
Three Months Ended March 31, 2013
Revenues from unaffiliated customers	$	125,245	$	107,431	$	28,251	$	—		$	260,927
Inter-segment revenues	2,280		2,757		1,492		(6,529		)	—
Segment operating income (loss)	34,851		34,238		9,846		102			79,037
Total assets (at end of period)	300,483		255,947		38,605		60,408			655,443
Capital expenditures	5,429		2,088		519		407			8,443
Depreciation and amortization	3,625		1,817		191		392			6,025
Three Months Ended March 31, 2012
Revenues from unaffiliated customers	$	116,106	$	96,733	$	21,352	$	—		$	234,191
Inter-segment revenues	536		468		19		(1,023		)	—
Segment operating income (loss)	32,415		33,531		7,915		45			73,906
Total assets (at end of period)	271,320		248,866		24,191		66,301			610,678
Capital expenditures	2,479		1,842		411		2,565			7,297
Depreciation and amortization	3,547		1,598		167		571			5,883

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

12. RECENT ACCOUNTING PRONOUNCEMENTS

In February 2013, the FASB issued ASU 2013-02 relating to comprehensive income (FASB ASC Topic 220), which requires an entity to provide information about the amounts reclassified out of accumulated other comprehensive income by component (the respective line items of net income). This pronouncement is effective for fiscal years, and interim periods within those years, beginning after December 15, 2012. We adopted this pronouncement for our fiscal year beginning January 1, 2013. 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 March 31, 2013 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, 2012 (the "2012 Annual Report").

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 services and products to the oil and gas industry.  These services and products 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 services and products 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 services and products 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 services and products 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 services and products, which are summarized as:

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•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

•cyber attacks on our network that disrupt operations or result in lost critical data.

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 2012 Annual Report and in Part II of this document, 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 within North America will remain similar to that experienced in the first quarter of 2013, but we believe activity outside North America, particularly those relating to oil development projects, will grow moderately throughout 2013.

Results of Operations

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

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(Unaudited)	Three Months Ended March 31,										% Change
	2013					2012					2013/2012
REVENUE:
Services	$	182,481		70	%	$	162,669		69	%	12	%
Product sales	78,446			30	%	71,522			31	%	10	%
Total revenue	260,927			100	%	234,191			100	%	11	%
OPERATING EXPENSES:
Cost of services, exclusive of depreciation expense shown below*	110,153			60	%	98,010			60	%	12	%
Cost of product sales, exclusive of depreciation expense shown below*	53,492			68	%	51,130			71	%	5	%
Total cost of services and product sales	163,645			63	%	149,140			64	%	10	%
General and administrative expenses	12,809			5	%	10,174			4	%	26	%
Depreciation and amortization	6,025			2	%	5,883			3	%	2	%
Other (income) expense, net	(589		)	—	%	(4,912		)	(2	)%	(88	)%
Operating income	79,037			30	%	73,906			32	%	7	%
Interest expense	2,269			1	%	2,190			1	%	4	%
Income before income tax expense	76,768			29	%	71,716			31	%	7	%
Income tax expense	20,036			8	%	17,786			8	%	13	%
Net income	56,732			22	%	53,930			23	%	5	%
Net income (loss) attributable to non-controlling interests	216			—	%	(21		)	—	%	(1,129	)%
Net income attributable to Core Laboratories N.V.	$	56,516		22	%	$	53,951		23	%	5	%
* Percentage based on applicable revenue rather than total revenue.

Operating Results for the Three Months EndedMarch 31, 2013 Compared to the Three Months EndedMarch 31, 2012 (unaudited)

Services Revenue

Services revenue increased to $182.5 million for the first quarter of 2013, up 12% when compared to $162.7 million for the first quarter of 2012.  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 was up almost 10% to $78.4 million for the first quarter of 2013, compared to $71.5 million for the first quarter of 2012. The increase in revenue was due to projects providing permanent reservoir monitoring systems to the oil sands in Canada and greater market penetration of our patented and proprietary perforating technologies despite the decline in drilling activity in North America. North America rig count was down over 10% this quarter compared to the first quarter of last year.

Cost of Services

Cost of services expressed as a percentage of services revenue was 60% for the quarter ended March 31, 2013, unchanged from 60% in the same period in 2012.

Cost of Product Sales

Cost of product sales expressed as a percentage of product sales revenue was 68% for the quarter ended March 31, 2013, an improvement from 71% during the same period in 2012. The decrease in cost of sales as a percentage of product sales revenue was primarily due to the growing demand for our new technologies which led to an overall increase in sales, which improved absorption of our fixed cost structure.

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General and Administrative Expenses

General and administrative expenses include corporate management and centralized administrative services that benefit our operations. General and administrative expenses were $12.8 million for the first quarter of 2013, which represents 4.9% of revenue, an increase from the first quarter of 2012 when general and administrative expenses represented 4.3% of revenue, which was primarily attributable to benefit and compensation expenses during the period.

Depreciation and Amortization Expense

Depreciation and amortization expense was $6.0 million for the first quarter of 2013 compared to $5.9 million in the first quarter of 2012.

Other (Income) Expense, Net

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

	Three Months Ended
	March 31,
	2013			2012
	(Unaudited)
(Gain) loss on sale of assets	$	(209	)	$	(86	)
Results of non-consolidated subsidiaries	(96		)	(66		)
Foreign exchange (gain) loss	891			(1,025		)
Interest income	(371		)	(2		)
Rents and royalties	(230		)	(340		)
(Gain) loss on insurance recovery	(539		)	(3,366		)
Other, net	(35		)	(27		)
Total other (income) expense, net	$	(589	)	$	(4,912	)

We incurred property losses during Hurricane Isaac in 2012. During the first quarter of 2013, the insurer agreed to pay $0.9 million of the claim and will continue reviewing the remainder of the claim. As a result, we recorded the net gain of $0.5 million in Other (income) expense, net. Subsequent to March 31, 2013, we received payment of the agreed amount.

During the first quarter of 2013, we received interest of $0.4 million as part of a tax refund related to a previous year.

As a result of a supply disruption in 2011 from a key vendor that provided certain high performance specialty steel tubulars used with our perforating systems, we filed a claim under our business interruption insurance policy. We recorded a gain of $3.4 million in the first quarter of 2012 when the initial payment was received from the insurance carrier.

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

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	Three Months Ended
	March 31,
	2013			2012
	(Unaudited)
Australian Dollar	$	45		$	(4	)
British Pound	462			11
Canadian Dollar	303			(537		)
Euro	228			(245		)
Malaysian Ringgit	82			(51		)
Mexican Peso	(127		)	(152		)
Russian Ruble	6			(40		)
Other currencies, net	(108		)	(7		)
Total (gain) loss	$	891		$	(1,025	)

Interest Expense

Interest expense for the three months ended March 31, 2013 and 2012 was $2.3 million and $2.2 million, respectively. 

Income Tax Expense

The effective tax rates for the three months ended March 31, 2013 and 2012 were 26.1% and 24.8%, respectively.  

Included in the three months ended March 31, 2012 is the reversal of $1.1 million in tax valuation allowance related to various jurisdictions. 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 months ended March 31, 2013 and 2012 (in thousands):

	Three Months Ended March 31,				% Change
	2013		2012		2013/2012
Revenue:	(Unaudited)
Reservoir Description	$	125,245	$	116,106	8	%
Production Enhancement	107,431		96,733		11	%
Reservoir Management	28,251		21,352		32	%
Consolidated	$	260,927	$	234,191	11	%
Operating income (loss):
Reservoir Description	$	34,851	$	32,415	8	%
Production Enhancement	34,238		33,531		2	%
Reservoir Management	9,846		7,915		24	%
Corporate and Other1	102		45		NM
Consolidated	$	79,037	$	73,906	7	%
(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 8%, or $9.1 million, to $125.2 million in the first quarter of 2013, compared to $116.1 million in the first quarter of 2012.  This segment’s operations, which focus on international crude-

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oil related products, continued to benefit from increased activity in large-scale core analyses and reservoir fluids characterization studies in the Asia-Pacific areas, offshore West and East Africa, the Eastern Mediterranean region, the Middle East, including Iraq, Kuwait, and the United Arab Emirates, and deepwater Gulf of Mexico.

Operating income in the first quarter of 2013 increased by 8%, or $2.5 million, to $34.9 million compared to $32.4 million for the first quarter of 2012.  This increase is a result of higher sales, including a better mix of projects aimed at more complex reservoirs. Operating margin for the quarter ended March 31, 2013 was 28%. This segment emphasizes technologically demanding services on internationally-based development and production-related crude oil projects over the more cyclical exploration-related projects.

Production Enhancement

Revenue from the Production Enhancement segment increased by 11%, or $10.7 million, to $107.4 million in the first quarter of 2013 compared to $96.7 million in the first quarter of 2012. The revenue increase was primarily due to demand for our diagnostic services, both for fracture diagnostics in North America and flood diagnostics internationally, and our patented perforating system technology.

Operating income in the first quarter of 2013 increased by 2%, or $0.7 million, to $34.2 million from $33.5 million for the first quarter of 2012.  Operating margins were 32% in the first quarter of 2013.  The increase in operating income from 2012 to 2013 was primarily driven by increased demand for the company's proprietary and patented hydraulic fracture and field-flood diagnostic technologies such as SpectraChem™, ZeroWash™, and SpectraFlood™ tracers in North America and internationally.

Reservoir Management

Revenue from the Reservoir Management segment increased by 32% to $28.3 million in the first quarter of 2013 compared to $21.4 million for the first quarter of 2012.  The increase in revenue was due to the instrumenting of two oil sands projects in Canada for permanent reservoir monitoring and ongoing interest in several of our existing multi-client reservoir studies such as the Duvernay Shale Project in Canada and the Tight Oil Reservoirs of the Midland Basin study as well as our new industry project to evaluate the potential of the Pearsall shale, which underlies the shallow portions of the Eagle Ford shale in South Texas.

Operating income in the first quarter of 2013 increased 24% to $9.8 million from $7.9 million for the first quarter of 2012. Operating margins were 35% in the first quarter of 2013. The increase in operating income in the first quarter of 2013 was primarily a result of additional participants in our joint industry projects, including the Utica, Duvernay, and Mississippi Lime studies and the Marcellus, Niobrara, Wolfcamp and Eagle Ford plays, and the installation of permanent reservoir monitoring systems in Canada.

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 three months ended March 31, 2013 and 2012 (in thousands):

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	Three Months Ended March 31,				% Change
	2013		2012		2013/2012
Free cash flow calculation:	(Unaudited)
Net cash provided by operating activities	$	68,258	$	53,789	27	%
Less:  cash paid for capital expenditures	8,443		7,297		16	%
Free cash flow	$	59,815	$	46,492	29	%

The increase in free cash flow for the first three months of 2013 compared to the same period in 2012 was primarily due to an increase in cash from operations and deferred revenue.

Cash Flows

The following table summarizes cash flows for the three months ended March 31, 2013 and 2012 (in thousands):

	Three Months Ended March 31,						% Change
	2013			2012			2013/2012
Cash provided by/(used in):	(Unaudited)
Operating activities	$	68,258		$	53,789		27	%
Investing activities	(9,567		)	(7,987		)	20	%
Financing activities	(54,990		)	(51,597		)	7	%
Net change in cash and cash equivalents	$	3,701		$	(5,795	)	(164	)%

The increase in cash flows from operating activities for the first three months of 2013 compared to the same period in 2012 was primarily attributable to an increase in net income and deferred revenue.

Cash flows used in investing activities were higher during the first three months of 2013 when compared to the same period in 2012 primarily due to an increase of $1.1 million in capital expenditures to $8.4 million up from $7.3 million for the three month periods ended March 31, 2013 and 2012, respectively.

Cash flows used in financing activities increased for the first three months of 2013 when compared to the same period in 2012. During the first three months of 2013, we repurchased 364,541 shares of our common stock for an aggregate purchase price of $47.7 million compared to the repurchase of 104,279 shares for an aggregate purchase price of $12.9 million during the same period in 2012. In the first three months of 2013, we increased the drawings on our Credit Facility by $7.0 million, as compared to using $25.9 million of cash during the first three months of 2012 to reduce our debt. 

Notes, Credit Facilities and Available Future Liquidity

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 March 31, 2013. 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 which totaled $16.5 million at March 31, 2013, resulting in an available borrowing capacity under the Credit Facility of $192.5 million.  In addition to those items under the Credit Facility, we had $21.7 million of outstanding letters of credit and performance guarantees and bonds from other sources as of March 31, 2013.

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 believe that we are in

18

compliance with all such covenants contained in our credit agreements. 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 February 2013, the FASB issued ASU 2013-02 relating to comprehensive income (FASB ASC Topic 220), which requires an entity to provide information about the amounts reclassified out of accumulated other comprehensive income by component (the respective line items of net income). This pronouncement is effective for fiscal years, and interim periods within those years, beginning after December 15, 2012. We adopted this pronouncement for our fiscal year beginning January 1, 2013. The adoption of this pronouncement did not have a material effect on our consolidated financial statements.

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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, 2012.

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, 2012.

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 March 31, 2013 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 the fiscal quarter ended March 31, 2013, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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CORE LABORATORIES N.V.

PART II - OTHER INFORMATION

Item 1.  Legal Proceedings

See Note 6 to our Consolidated Interim Financial Statements in Part I, Item 1 of this Quarterly Report on Form 10-Q.

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 March 31, 2013:

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 (3)
January 31, 2013	58,677	$	112.27	58,677	3,186,308
February 28, 2013 (1)	150,321	132.89		150,321	3,036,987
March 31, 2013 (2)	155,543	136.18		155,543	2,904,444
Total	364,541	$	130.97	364,541

(1) Contains 321 shares valued at approximately $42.8 thousand, or $133.35 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 February 2013.

(2) Contains 5,543 shares valued at approximately $0.8 million, or $136.38 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 March 2013.

(3) 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.

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Item 6.  Exhibits

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 February 19, 2013 with 2012 10-K (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

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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:	April 19, 2013	By:	/s/ Richard L. Bergmark
			Richard L. Bergmark
			Chief Financial Officer
			(Duly Authorized Officer and
			Principal Financial Officer)

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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:	April 19, 2013	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:	April 19, 2013	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 March 31, 2013, 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:	April 19, 2013	/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 March 31, 2013, 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:	April 19, 2013	/s/ Richard L. Bergmark
		Name: Richard L. Bergmark
		Title: Chief Financial Officer

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Earnings per Share Level 4 (Details) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Weighted Average Number of Shares Outstanding, Basic	46,201	47,606
Incremental Common Shares Attributable to Stock Options	4	12
Incremental Common Shares Attributable to Contingently Issuable Shares	80	114
Weighted Average Number of Shares, Restricted Stock	208	213
Weighted Average Number of Shares Outstanding, Diluted	46,493	47,945

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Segment Reporting Level 3 (Tables)

9 Months Ended

Sep. 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 March 31, 2013
Revenues from unaffiliated customers	$	125,245	$	107,431	$	28,251	$	—		$	260,927
Inter-segment revenues	2,280		2,757		1,492		(6,529		)	—
Segment operating income (loss)	34,851		34,238		9,846		102			79,037
Total assets (at end of period)	300,483		255,947		38,605		60,408			655,443
Capital expenditures	5,429		2,088		519		407			8,443
Depreciation and amortization	3,625		1,817		191		392			6,025
Three Months Ended March 31, 2012
Revenues from unaffiliated customers	$	116,106	$	96,733	$	21,352	$	—		$	234,191
Inter-segment revenues	536		468		19		(1,023		)	—
Segment operating income (loss)	32,415		33,531		7,915		45			73,906
Total assets (at end of period)	271,320		248,866		24,191		66,301			610,678
Capital expenditures	2,479		1,842		411		2,565			7,297
Depreciation and amortization	3,547		1,598		167		571			5,883

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Segment Reporting Level 4 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Segment Reporting Information [Line Items]
TOTAL ASSETS	$ 655,443	$ 610,678	$ 636,516
Capital expenditures	8,443	7,297
Depreciation and amortization	6,025	5,883
Total Revenue	260,927	234,191
Segment Reporting Information, Intersegment Revenue	0	0
OPERATING INCOME	79,037	73,906
Operating Segment Reservoir Description [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	300,483	271,320
Capital expenditures	5,429	2,479
Depreciation and amortization	3,625	3,547
Total Revenue	125,245	116,106
Segment Reporting Information, Intersegment Revenue	2,280	536
OPERATING INCOME	34,851	32,415
Operating Segment Production Enhancement [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	255,947	248,866
Capital expenditures	2,088	1,842
Depreciation and amortization	1,817	1,598
Total Revenue	107,431	96,733
Segment Reporting Information, Intersegment Revenue	2,757	468
OPERATING INCOME	34,238	33,531
Operating Segment Reservoir Management [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	38,605	24,191
Capital expenditures	519	411
Depreciation and amortization	191	167
Total Revenue	28,251	21,352
Segment Reporting Information, Intersegment Revenue	1,492	19
OPERATING INCOME	9,846	7,915
Operating Segment Corporate And Other [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	60,408	66,301
Capital expenditures	407	2,565
Depreciation and amortization	392	571
Total Revenue	0	0
Segment Reporting Information, Intersegment Revenue	(6,529)	(1,023)
OPERATING INCOME	$ 102	$ 45

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Goodwill and Intangibles

3 Months Ended

Mar. 31, 2013

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 is possible.  Based upon our most recent evaluation, we determined that goodwill is not impaired.  We amortize intangible assets with a finite life on a straight-line basis over their respective useful lives.

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Pensions and Other Postretirement Benefits Fair Value Measurement (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 13,344	$ 12,654
Liabilities, Fair Value Disclosure	20,188	18,579
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	2,968	2,667
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	13,344	12,654
Liabilities, Fair Value Disclosure	17,220	15,912
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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Pensions and Other Postretirement Benefits Level 4 (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer	$ 1,900,000
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	396,000	287,000
Defined Benefit Plan, Interest Cost	420,000	428,000
Defined Benefit Plan, Expected Return on Plan Assets	(323,000)	(306,000)
Defined Benefit Plan, Amortization of Transition Obligations (Assets)	(22,000)	(22,000)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	40,000	40,000
Defined Benefit Plan, Amortization of Gains (Losses)	117,000	0
Defined Benefit Plan, Net Periodic Benefit Cost	$ 628,000	$ 427,000

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Commitments and Contingencies Level 4 (Details) (gain loss on insurance recovery [Member], USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
gain loss on insurance recovery [Member]
Loss Contingencies [Line Items]
Other Nonoperating Income (Expense)	$ (539,000)	$ (3,366,000)

XML

Equity Level 4 (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Sep. 30, 2012
Common Stock, Value, Issued	$ 1,233,000		$ 1,233,000
Stock Issued During Period, Value, Stock Options Exercised	35,000
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	5,138,000
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	553,000
Stock Repurchased During Period, Value	(47,745,000)
Treasury Stock, Shares, Acquired	364,541
Dividends	(14,820,000)
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax	101,000
Net income	56,732,000	53,930,000
Treasury Stock, Value, Acquired, Cost Method	47,700,000
TreasurySharesAcquiredTaxBurden	5,864
TreasurySharesAcquiredValueTaxBurden	800,000
Cash dividends per share	$ 0.32	$ 0.28
Common Stock, Dividends, Per Share, Declared	$ 0.32
Retained Earnings (Accumulated Deficit)	402,951,000		361,255,000
Accumulated Other Comprehensive Income (Loss), Net of Tax	(8,312,000)		(8,413,000)
Treasury Stock, Value	216,214,000		171,845,000
Stockholders' Equity Attributable to Noncontrolling Interest	5,899,000		5,683,000
TOTAL EQUITY	187,907,000		187,913,000	187,907,000
Common Stock [Member]
Common Stock, Value, Issued			1,233,000	1,233,000
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			0	2,350,000
Stock Issued During Period, Value, Stock Options Exercised	(951,000)
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	2,748,000
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	553,000
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	(14,820,000)
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)			361,255,000	402,951,000
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	101,000
Net income	0
Accumulated Other Comprehensive Income (Loss), Net of Tax			(8,413,000)	(8,312,000)
Treasury Stock [Member]
Stock Issued During Period, Value, Stock Options Exercised	986,000
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	2,390,000
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	0
Stock Repurchased During Period, Value	(47,745,000)
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			(171,845,000)	(216,214,000)
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			$ 5,683,000	$ 5,899,000

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Inventories (Notes)

3 Months Ended

Mar. 31, 2013

INVENTORIES [Abstract]

Inventory Disclosure [Text Block]

INVENTORIES

Inventories consist of the following (in thousands):

	March 31, 2013		December 31, 2012
	(Unaudited)
Finished goods	$	38,917	$	38,572
Parts and materials	8,992		8,818
Work in progress	2,858		1,875
Total inventories	$	50,767	$	49,265

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

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Equity Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Prior service cost	$ (586)		$ (616)
Transition asset	179		195
Unrecognized net actuarial loss	(7,905)		(7,992)
Net income	56,732	53,930
Amortization of deferred pension costs, net of tax	101
Total accumulated other comprehensive income (loss)	$ (8,312)		$ (8,413)

XML

Consolidated Balance Sheets Statement (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Cash and Cash Equivalents, at Carrying Value	$ 22,927	$ 19,226
Accounts Receivable, Net	200,136	184,774
Inventory, Net	50,767	49,265
Prepaid Expense, Current	15,326	14,959
Income Taxes Receivable, Current	12,613	17,943
Prepaid Expense and Other Assets	11,098	10,740
TOTAL CURRENT ASSETS	312,867	296,907
Property, Plant and Equipment, Net	127,731	125,418
Intangible Assets, Net (Excluding Goodwill)	9,266	8,721
Goodwill	163,337	163,337
Deferred Tax Assets, Net, Noncurrent	11,907	13,224
Other Assets, Noncurrent	30,335	28,909
TOTAL ASSETS	655,443	636,516
Accounts Payable, Current	54,078	55,168
Employee-related Liabilities, Current	29,439	34,919
Sales and Excise Tax Payable, Current	10,332	11,787
Deferred Revenue, Current	20,735	13,868
Taxes Payable, Current	22,125	9,542
Other Accrued Liabilities, Current	14,041	15,226
TOTAL CURRENT LIABILITIES	150,750	140,510
LONG-TERM DEBT AND CAPITAL LEASE OBLIGATIONS	241,022	234,033
Deferred Compensation Liability, Classified, Noncurrent	30,325	28,112
Deferred Tax Liabilities, Noncurrent	6,364	6,777
Other Liabilities, Noncurrent	39,075	39,171
Preferred Stock, Value, Issued	0	0
Common Stock, Value, Issued	1,233	1,233
Additional Paid in Capital, Common Stock	2,350	0
Retained Earnings (Accumulated Deficit)	402,951	361,255
Accumulated Other Comprehensive Income (Loss), Net of Tax	(8,312)	(8,413)
Treasury shares (at cost), xxx at 2011 and 4,218,726 at 2010	(216,214)	(171,845)
Total Core Laboratories N.V. shareholders' equity	182,008	182,230
Stockholders' Equity Attributable to Noncontrolling Interest	5,899	5,683
TOTAL EQUITY	187,907	187,913
TOTAL LIABILITIES AND EQUITY	$ 655,443	$ 636,516

XML

Consolidated Statement of Cash Flows Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 56,732	$ 53,930
Stock-based compensation	5,138	4,388
Depreciation and amortization	6,025	5,883
Gain on insurance recovery	(539)	(3,366)
Increase in value of life insurance policies	(1,368)	(1,661)
Deferred income taxes	975	(1,091)
Other Noncash Income (Expense)	278	452
Accounts receivable	(14,811)	2,195
Inventories	(1,876)	(5,055)
Prepaid expenses and other current assets	4,360	(2,822)
Other assets	403	(932)
Accounts payable	(681)	(7,315)
Accrued expenses	4,638	(2,144)
Increase (Decrease) in Deferred Revenue	6,867	6,603
Other long-term liabilities	2,117	4,724
Net cash provided by operating activities	68,258	53,789
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(8,443)	(7,297)
Payments to Acquire Intangible Assets	(847)	(147)
Proceeds from sale of assets	377	136
Premiums on life insurance	(654)	(679)
Net cash used in investing activities	(9,567)	(7,987)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of debt borrowings	(18,013)	(26,867)
Proceeds from debt borrowings	25,000	1,000
Proceeds from Stock Options Exercised	35	0
Excess Tax Benefit from Share-based Compensation, Financing Activities	553	500
Payments of Debt Issuance Costs	0	(7)
Payments of Dividends	(14,820)	(13,334)
Payments for Repurchase of Common Stock	(47,745)	(12,889)
Net cash used in financing activities	(54,990)	(51,597)
NET CHANGE IN CASH AND CASH EQUIVALENTS	3,701	(5,795)
CASH AND CASH EQUIVALENTS, beginning of period	$ 19,226

XML

Other (Income), net Foreign Currency (Gain ) Loss by Currency (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Foreign Currency Transaction Gain (Loss), before Tax	$ 891	$ (1,025)
AustralianDollar [Member]
Foreign Currency Transaction Gain (Loss), before Tax	45	(4)
British Pound [Member]
Foreign Currency Transaction Gain (Loss), before Tax	462	11
Canadian Dollar [Member]
Foreign Currency Transaction Gain (Loss), before Tax	303	(537)
Euro [Member]
Foreign Currency Transaction Gain (Loss), before Tax	228	(245)
Malaysian Ringgit [Member]
Foreign Currency Transaction Gain (Loss), before Tax	82	(51)
Mexican Peso [Member]
Foreign Currency Transaction Gain (Loss), before Tax	(127)	(152)
Russian Ruble [Member]
Foreign Currency Transaction Gain (Loss), before Tax	6	(40)
Other Currencies Net [Member]
Foreign Currency Transaction Gain (Loss), before Tax	$ (108)	$ (7)

XML

Equity Level 3 (Tables)

3 Months Ended

Mar. 31, 2013

Equity [Abstract]

Schedule of Stockholders Equity [Table Text Block]

The following table summarizes our changes in equity for the three months ended March 31, 2013 (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, 2012	$	1,233	$	—		$	361,255		$	(8,413	)	$	(171,845	)	$	5,683	$	187,913
Stock options exercised	—		(951		)	—			—			986			—		35
Stock based-awards	—		2,748			—			—			2,390			—		5,138
Tax benefit of stock-based awards issued	—		553			—			—			—			—		553
Repurchase of common shares	—		—			—			—			(47,745		)	—		(47,745		)
Dividends paid	—		—			(14,820		)	—			—			—		(14,820		)
Amortization of deferred pension costs, net of tax	—		—			—			101			—			—		101
Net income (loss)	—		—			56,516			—			—			216		56,732
March 31, 2013	$	1,233	$	2,350		$	402,951		$	(8,312	)	$	(216,214	)	$	5,899	$	187,907

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

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

	March 31, 2013			December 31, 2012
	(Unaudited)
Prior service cost	$	(586	)	$	(616	)
Transition asset	179			195
Unrecognized net actuarial loss	(7,905		)	(7,992		)
Total accumulated other comprehensive income (loss)	$	(8,312	)	$	(8,413	)

XML

Income Tax Expense Level 4 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
INCOME TAX EXPENSE [Abstract]
Effective Income Tax Rate, Continuing Operations	26.10%	24.80%
Tax Adjustments, Settlements, and Unusual Provisions		$ 1.1

XML

Other (Income), net Level 3 (Tables)

3 Months Ended

Mar. 31, 2013

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
	March 31,
	2013			2012
	(Unaudited)
Australian Dollar	$	45		$	(4	)
British Pound	462			11
Canadian Dollar	303			(537		)
Euro	228			(245		)
Malaysian Ringgit	82			(51		)
Mexican Peso	(127		)	(152		)
Russian Ruble	6			(40		)
Other currencies, net	(108		)	(7		)
Total (gain) loss	$	891		$	(1,025	)

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
	March 31,
	2013			2012
	(Unaudited)
(Gain) loss on sale of assets	$	(209	)	$	(86	)
Results of non-consolidated subsidiaries	(96		)	(66		)
Foreign exchange (gain) loss	891			(1,025		)
Interest income	(371		)	(2		)
Rents and royalties	(230		)	(340		)
(Gain) loss on insurance recovery	(539		)	(3,366		)
Other, net	(35		)	(27		)
Total other (income) expense, net	$	(589	)	$	(4,912	)

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Basis of Presentation Level 1 (Notes)

3 Months Ended

Mar. 31, 2013

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, 2012 (the "2012 Annual Report").

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 a fair statement of the results for the interim periods presented have been included in these financial statements.  Furthermore, the operating results presented for the three months ended March 31, 2013 may not necessarily be indicative of the results that may be expected for the year ended December 31, 2013.

Core Laboratories N.V.'s balance sheet information for the year ended December 31, 2012 was derived from the 2012 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 or cash flows for the three month period ended March 31, 2012.

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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Consolidated Balance Sheets Balance Sheet Parenthetical (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Allowance for Doubtful Accounts Receivable, Current	$ 3,368	$ 3,516
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	47,899,584	47,899,584
Common Stock, Shares, Outstanding	46,014,070	46,349,411
Treasury Stock, Shares	1,885,514	1,550,173
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)

9 Months Ended

Sep. 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 operating 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 services and products 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 operating 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. 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 March 31, 2013
Revenues from unaffiliated customers	$	125,245	$	107,431	$	28,251	$	—		$	260,927
Inter-segment revenues	2,280		2,757		1,492		(6,529		)	—
Segment operating income (loss)	34,851		34,238		9,846		102			79,037
Total assets (at end of period)	300,483		255,947		38,605		60,408			655,443
Capital expenditures	5,429		2,088		519		407			8,443
Depreciation and amortization	3,625		1,817		191		392			6,025
Three Months Ended March 31, 2012
Revenues from unaffiliated customers	$	116,106	$	96,733	$	21,352	$	—		$	234,191
Inter-segment revenues	536		468		19		(1,023		)	—
Segment operating income (loss)	32,415		33,531		7,915		45			73,906
Total assets (at end of period)	271,320		248,866		24,191		66,301			610,678
Capital expenditures	2,479		1,842		411		2,565			7,297
Depreciation and amortization	3,547		1,598		167		571			5,883

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

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DEI Document	3 Months Ended
	Mar. 31, 2013	Apr. 18, 2013
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, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		45,910,270

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Recent Accounting Pronouncements Level 1 (Notes)

3 Months Ended

Mar. 31, 2013

RECENT ACCOUNTING PRONOUNCEMENTS [Abstract]

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

12. RECENT ACCOUNTING PRONOUNCEMENTS

In February 2013, the FASB issued ASU 2013-02 relating to comprehensive income (FASB ASC Topic 220), which requires an entity to provide information about the amounts reclassified out of accumulated other comprehensive income by component (the respective line items of net income). This pronouncement is effective for fiscal years, and interim periods within those years, beginning after December 15, 2012. We adopted this pronouncement for our fiscal year beginning January 1, 2013. 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
	Mar. 31, 2013	Mar. 31, 2012
REVENUE:
Services	$ 182,481	$ 162,669
Product sales	78,446	71,522
Total Revenue	260,927	234,191
OPERATING EXPENSES:
Cost of Services, Excluding Depreciation, Depletion, and Amortization	110,153	98,010
Cost of product sales, exclusive of depreciation expense shown below	53,492	51,130
General and Administrative Expense, Excluding Depreciation	12,809	10,174
Depreciation	5,723	5,596
Amortization	302	287
Other (income), net	(589)	(4,912)
OPERATING INCOME	79,037	73,906
Interest expense	2,269	2,190
Income before income tax expense	76,768	71,716
Income Tax Expense (Benefit)	20,036	17,786
Net income	56,732	53,930
Net Income (Loss) Attributable to Non-controlling Interest		(21)
Net income attributable to Core Laboratories N.V.		53,951
EARNINGS PER SHARE INFORMATION:
Basic earnings per share attributable to Core Laboratories N.V.	$ 1.22	$ 1.13
Diluted earnings per share attributable to Core Laboratories N.V.	$ 1.22	$ 1.13
Cash dividends per share	$ 0.32	$ 0.28
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic	46,201	47,606
Diluted	46,493	47,945
Noncontrolling Interest [Member]
OPERATING EXPENSES:
Net Income (Loss) Attributable to Non-controlling Interest	216
Retained Earnings [Member]
OPERATING EXPENSES:
Net income attributable to Core Laboratories N.V.	$ 56,516

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Commitments and Contingencies Level 1 (Notes)

3 Months Ended

Mar. 31, 2013

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 services and products.  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.

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Pensions and Other Postretirement Benefits Level 1 (Notes)

3 Months Ended

Mar. 31, 2013

PENSIONS AND OTHER POSTRETIREMENT BENEFITS [Abstract]

Pension and Other Postretirement Benefits Disclosure [Text Block]

PENSIONS AND OTHER POSTRETIREMENT BENEFITS

Defined Benefit Plan

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 insurance contracts from a large multi-national insurance company. The insurance contracts are purchased annually and renew 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 make annual premium payments to the insurance company based on each employee's age and current salary, and the contractual growth rate. We determine the fair value of these plan assets with the assistance of an actuary using observable inputs (Level 2), which approximates the contract value of the investments.

The following table summarizes the components of net periodic pension cost under this plan for the three months ended March 31, 2013 and 2012 (in thousands):

	Three Months Ended
	March 31,
	2013			2012
	(Unaudited)
Service cost	$	396		$	287
Interest cost	420			428
Expected return on plan assets	(323		)	(306		)
Amortization of transition asset	(22		)	(22		)
Amortization of prior service cost	40			40
Amortization of actuarial loss	117			—
Net periodic pension cost	$	628		$	427

During the three months ended March 31, 2013, we contributed approximately $1.9 million, as determined by the insurance company, to fund the estimated 2013 premiums on investment contracts held by the Dutch Plan.

Defined Contribution Plans

We maintain five defined contribution plans (the "Defined Contribution Plans") for the benefit of eligible employees in Canada, The Netherlands, Puerto Rico, the United Kingdom and the United States. In accordance with the terms of each plan, we and our participating employees contribute up to specified limits, and under certain plans, we may make discretionary contributions in accordance with the Defined Contribution Plans.

Deferred Compensation Arrangements

We have entered into deferred compensation contracts for certain key employees and an outside director. The benefits under these contracts are fully vested and benefits are paid when the participants attain 65 years of age. Life insurance policies with cash surrender values have been purchased for the purpose of assisting in the funding of the deferred compensation contracts.

We have also 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.

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) with the assistance of a third party specialist. 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
			March 31, 2013
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets (1)	$	13,344	$	—	$	13,344	$	—
Liabilities:
Deferred compensation plan	$	20,188	$	2,968	$	17,220	$	—

			Fair Value Measurement at
			December 31, 2012
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets (1)	$	12,654	$	—	$	12,654	$	—
Liabilities:
Deferred compensation plan	$	18,579	$	2,667	$	15,912	$	—
(1) Trust assets consist of the cash surrender value of life insurance policies and are intended to assist in the funding of the deferred compensation plan.

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Earnings per Share Level 3 (Tables)

3 Months Ended

Mar. 31, 2013

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
	March 31,
	2013	2012
	(Unaudited)
Weighted average basic common shares outstanding	46,201	47,606
Effect of dilutive securities:
Stock options	4	12
Performance shares	80	114
Restricted stock	208	213
Weighted average diluted common and potential common shares outstanding	46,493	47,945

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Inventories (Tables)

3 Months Ended

Mar. 31, 2013

INVENTORIES [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following (in thousands):

	March 31, 2013		December 31, 2012
	(Unaudited)
Finished goods	$	38,917	$	38,572
Parts and materials	8,992		8,818
Work in progress	2,858		1,875
Total inventories	$	50,767	$	49,265

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Other (Income), net Level 1 (Notes)

3 Months Ended

Mar. 31, 2013

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
	March 31,
	2013			2012
	(Unaudited)
(Gain) loss on sale of assets	$	(209	)	$	(86	)
Results of non-consolidated subsidiaries	(96		)	(66		)
Foreign exchange (gain) loss	891			(1,025		)
Interest income	(371		)	(2		)
Rents and royalties	(230		)	(340		)
(Gain) loss on insurance recovery	(539		)	(3,366		)
Other, net	(35		)	(27		)
Total other (income) expense, net	$	(589	)	$	(4,912	)

We incurred property losses during Hurricane Isaac in 2012. During the first quarter of 2013, the insurer agreed to pay $0.9 million of the claim and will continue reviewing the remainder of the claim. As a result, we recorded the net gain of $0.5 million in Other (income) expense, net. Subsequent to March 31, 2013, we received payment of the agreed amount.

During the first quarter of 2013, we received interest of $0.4 million as part of an income tax refund related to a previous year.

As a result of a supply disruption in 2011 from a key vendor that provided certain high performance specialty steel tubulars used with the our perforating systems, we filed a claim under our business interruption insurance policy. We recorded a gain of $3.4 million in the first quarter of 2012 when the initial payment was received from the insurance carrier.

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

	Three Months Ended
	March 31,
	2013			2012
	(Unaudited)
Australian Dollar	$	45		$	(4	)
British Pound	462			11
Canadian Dollar	303			(537		)
Euro	228			(245		)
Malaysian Ringgit	82			(51		)
Mexican Peso	(127		)	(152		)
Russian Ruble	6			(40		)
Other currencies, net	(108		)	(7		)
Total (gain) loss	$	891		$	(1,025	)

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Equity Level 1 (Notes)

3 Months Ended

Mar. 31, 2013

Equity [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

EQUITY

During the three months ended March 31, 2013, we repurchased 364,541 of our common shares for $47.7 million. Included in this total were rights to 5,864 shares valued at $0.8 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 2013, we paid a quarterly dividend of $0.32 per share of common stock.  In addition, on April 15, 2013, we declared a quarterly dividend of $0.32 per share of common stock for shareholders of record on April 26, 2013 and payable on May 24, 2013.

The following table summarizes our changes in equity for the three months ended March 31, 2013 (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, 2012	$	1,233	$	—		$	361,255		$	(8,413	)	$	(171,845	)	$	5,683	$	187,913
Stock options exercised	—		(951		)	—			—			986			—		35
Stock based-awards	—		2,748			—			—			2,390			—		5,138
Tax benefit of stock-based awards issued	—		553			—			—			—			—		553
Repurchase of common shares	—		—			—			—			(47,745		)	—		(47,745		)
Dividends paid	—		—			(14,820		)	—			—			—		(14,820		)
Amortization of deferred pension costs, net of tax	—		—			—			101			—			—		101
Net income (loss)	—		—			56,516			—			—			216		56,732
March 31, 2013	$	1,233	$	2,350		$	402,951		$	(8,312	)	$	(216,214	)	$	5,899	$	187,907

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

	March 31, 2013			December 31, 2012
	(Unaudited)
Prior service cost	$	(586	)	$	(616	)
Transition asset	179			195
Unrecognized net actuarial loss	(7,905		)	(7,992		)
Total accumulated other comprehensive income (loss)	$	(8,312	)	$	(8,413	)

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Earnings per Share Level 1 (Notes)

3 Months Ended

Mar. 31, 2013

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
	March 31,
	2013	2012
	(Unaudited)
Weighted average basic common shares outstanding	46,201	47,606
Effect of dilutive securities:
Stock options	4	12
Performance shares	80	114
Restricted stock	208	213
Weighted average diluted common and potential common shares outstanding	46,493	47,945

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Income Tax Expense Level 1 (Notes)

3 Months Ended

Mar. 31, 2013

INCOME TAX EXPENSE [Abstract]

Income Tax Disclosure [Text Block]

INCOME TAX EXPENSE

The effective tax rates for the three months ended March 31, 2013 and 2012 were 26.1% and 24.8%, respectively.   

Included in the three months ended March 31, 2012 is the reversal of $1.1 million in tax valuation allowance related to various jurisdictions. The change in income tax expense also reflects the change in activity levels among jurisdictions with different tax rates.

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Other (Income), net Level 4 (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 Proceeds from insurance recovery [Member]	Mar. 31, 2013 Gains (Losses) on Sales of Assets [Member]	Mar. 31, 2012 Gains (Losses) on Sales of Assets [Member]	Mar. 31, 2013 Income (Loss) from Equity Method Investments [Member]	Mar. 31, 2012 Income (Loss) from Equity Method Investments [Member]	Mar. 31, 2013 Foreign Currency Gain (Loss) [Member]	Mar. 31, 2012 Foreign Currency Gain (Loss) [Member]	Mar. 31, 2013 Other Operating Expense [Member]	Mar. 31, 2012 Other Operating Expense [Member]	Jun. 30, 2012 Interest Income [Member]	Jun. 30, 2011 Interest Income [Member]	Mar. 31, 2013 Rents And Royalties Income Loss [Member]	Mar. 31, 2012 Rents And Royalties Income Loss [Member]	Mar. 31, 2013 gain loss on insurance recovery [Member]	Mar. 31, 2012 gain loss on insurance recovery [Member]	Mar. 31, 2013 Component of Other Income, Nonoperating, Name [Domain]	Mar. 31, 2012 Component of Other Income, Nonoperating, Name [Domain]	Mar. 31, 2012 Gainlossonbusinessinterruptioninsuranc [Member] gain loss on insurance recovery [Member]
Component of Operating Other Cost and Expense [Line Items]
Other Nonoperating Income (Expense)	$ 865,000	$ (209,000)	$ (86,000)	$ (96,000)	$ (66,000)	$ 891,000	$ (1,025,000)	$ (35,000)	$ (27,000)	$ (371,000)	$ (2,000)	$ (230,000)	$ (340,000)	$ (539,000)	$ (3,366,000)	$ (589,000)	$ (4,912,000)	$ (3,400,000)

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Pensions and Other Postretirement Benefits Level 3 (Tables)

3 Months Ended

Mar. 31, 2013

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 months ended March 31, 2013 and 2012 (in thousands):

	Three Months Ended
	March 31,
	2013			2012
	(Unaudited)
Service cost	$	396		$	287
Interest cost	420			428
Expected return on plan assets	(323		)	(306		)
Amortization of transition asset	(22		)	(22		)
Amortization of prior service cost	40			40
Amortization of actuarial loss	117			—
Net periodic pension cost	$	628		$	427

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

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

(Unaudited)			Fair Value Measurement at
			March 31, 2013
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets (1)	$	13,344	$	—	$	13,344	$	—
Liabilities:
Deferred compensation plan	$	20,188	$	2,968	$	17,220	$	—

			Fair Value Measurement at
			December 31, 2012
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets (1)	$	12,654	$	—	$	12,654	$	—
Liabilities:
Deferred compensation plan	$	18,579	$	2,667	$	15,912	$	—
(1) Trust assets consist of the cash surrender value of life insurance policies and are intended to assist in the funding of the deferred compensation plan.

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Inventories Inventories (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Inventory, Finished Goods	$ 38,917	$ 38,572
Inventory, Raw Materials and Purchased Parts, Net of Reserves	8,992	8,818
Inventory, Work in Process	2,858	1,875
Inventory, Net	$ 50,767	$ 49,265

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Consolidated Statement of Other Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax	$ (34)	$ (4)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	56,833	53,944
Net Income (Loss) Attributable to Non-controlling Interest		(21)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	56,732	53,930
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 56,617	$ 53,965

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Debt Level 1 (Notes)

3 Months Ended

Mar. 31, 2013

Debt and Capital Lease Obligations [Abstract]

Debt Disclosure [Text Block]

DEBT AND CAPITAL LEASE OBLIGATIONS

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

	March 31, 2013		December 31, 2012
	(Unaudited)
Senior notes	$	150,000	$	150,000
Credit facility	91,000		84,000
Capital lease obligations	61		73
Total debt	241,061		234,073
Less - current maturities of long-term debt and capital lease obligations	39		40
Long-term debt and capital lease obligations, net	$	241,022	$	234,033

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 March 31, 2013. 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 which totaled $16.5 million at March 31, 2013, resulting in an available borrowing capacity under the Credit Facility of $192.5 million.  In addition to those items under the Credit Facility, we had $21.7 million of outstanding letters of credit and performance guarantees and bonds from other sources as of March 31, 2013.

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 believe that we are in compliance with all such covenants contained in our credit agreements. 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 March 31, 2013 and December 31, 2012 approximated the book value of total debt. The fair value was estimated using Level 2 inputs by calculating the sum of the discounted future interest and principal payments through the date of maturity.

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Debt Level 4 (Details) (USD $)			3 Months Ended				3 Months Ended					3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Line of Credit [Member]	Dec. 31, 2012 Line of Credit [Member]	Mar. 31, 2013 Senior Notes [Member]	Dec. 31, 2012 Senior Notes [Member]	Mar. 31, 2013 senior notes series a [Member]	Mar. 31, 2013 Capital Lease Obligations [Member]	Dec. 31, 2012 Capital Lease Obligations [Member]	Mar. 31, 2013 Short-term Debt [Member]	Dec. 31, 2012 Short-term Debt [Member]	Mar. 31, 2013 Senior Notes Series B [Member]	Mar. 31, 2013 Minimum [Member]	Sep. 30, 2012 Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 150,000,000		$ 75,000,000					$ 75,000,000
Debt Instrument, Maturity Date			Sep. 28, 2016				Sep. 30, 2021					Sep. 30, 2023
Debt Instrument, Interest Rate, Effective Percentage							4.01%					4.11%
Line of Credit Facility, Current Borrowing Capacity	300,000,000
Line of Credit Facility, Maximum Borrowing Capacity	350,000,000
Debt Instrument, Basis Spread on Variable Rate													1.50%	2.25%
Performance bonds under credit facility	16,500,000
Line of Credit Facility, Remaining Borrowing Capacity	192,500,000
Performance Bonds	21,700,000
Long-term Debt	241,061,000	234,073,000	91,000,000	84,000,000	150,000,000	150,000,000		61,000	73,000
Long-term Debt, Current Maturities										39,000	40,000
Long-term Debt, Excluding Current Maturities	$ 241,022,000	$ 234,033,000

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Debt Level 3 (Tables)

3 Months Ended

Mar. 31, 2013

Debt and Capital Lease Obligations [Abstract]

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

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

	March 31, 2013		December 31, 2012
	(Unaudited)
Senior notes	$	150,000	$	150,000
Credit facility	91,000		84,000
Capital lease obligations	61		73
Total debt	241,061		234,073
Less - current maturities of long-term debt and capital lease obligations	39		40
Long-term debt and capital lease obligations, net	$	241,022	$	234,033