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