Statement of Income Six Months Ended (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
REVENUE:
Services	$ 169,756	$ 153,010	$ 322,870	$ 296,452
Product sales	56,029	45,892	109,648	90,787
Total Revenue	225,785	198,902	432,518	387,239
OPERATING EXPENSES:
Cost of services, exclusive of depreciation expense shown below	112,001	96,411	212,733	191,768
Cost of product sales, exclusive of depreciation expense shown below	40,272	32,506	76,290	62,737
General and Administrative Expense, Excluding Depreciation	9,757	9,211	19,281	15,591
Depreciation	5,507	5,430	11,047	10,849
Amortization	298	336	589	671
Other (income), net	147	1,288	(1,724)	490
OPERATING INCOME	57,803	53,720	114,302	105,133
Loss on exchange of Senior Exchangeable Notes	210	0	839	0
Interest expense	2,499	4,114	4,859	8,173
Income before income tax expense	55,094	49,606	108,604	96,960
Income Tax Expense (Benefit)	14,710	15,244	22,228	30,312
Net income	40,384	34,362	86,376	66,648
Net Income (Loss) Attributable to Non-controlling Interest	(67)	146	(365)	227
Net income attributable to Core Laboratories N.V.	$ 40,451	$ 34,216	$ 86,741	$ 66,421
EARNINGS PER SHARE INFORMATION:
Basic earnings per share attributable to Core Laboratories N.V.	$ 0.88	$ 0.77	$ 1.90	$ 1.48
Diluted earnings per share attributable to Core Laboratories N.V.	$ 0.83	$ 0.71	$ 1.77	$ 1.40
Cash dividends per share	$ 0.25	$ 0.06	$ 0.50	$ 0.12
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic	45,945	44,651	45,587	44,743
Diluted	48,662	47,957	48,942	47,396