Consolidated Statements of Operations Statement (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
REVENUE:
Services	$ 187,676	$ 175,749	$ 370,157	$ 338,418
Product sales	75,463	71,257	153,909	142,779
Total Revenue	263,139	247,006	524,066	481,197
OPERATING EXPENSES:
Cost of Services, Excluding Depreciation, Depletion, and Amortization	109,661	103,926	219,814	201,936
Cost of product sales, exclusive of depreciation expense shown below	53,842	52,454	107,334	103,584
General and Administrative Expense, Excluding Depreciation	11,173	10,205	23,982	20,379
Depreciation	5,656	4,788	11,379	10,384
Amortization	308	289	610	576
Other (income), net	630	3,218	41	(1,694)
OPERATING INCOME	81,869	72,126	160,906	146,032
Interest expense	2,263	2,178	4,532	4,368
Income before income tax expense	79,606	69,948	156,374	141,664
Income Tax Expense (Benefit)	19,664	16,997	39,700	34,783
Net income	59,942	52,951	116,674	106,881
Net Income (Loss) Attributable to Non-controlling Interest		35		14
Net income attributable to Core Laboratories N.V.		52,916		106,867
EARNINGS PER SHARE INFORMATION:
Basic earnings per share attributable to Core Laboratories N.V.	$ 1.30	$ 1.11	$ 2.52	$ 2.25
Diluted earnings per share attributable to Core Laboratories N.V.	$ 1.29	$ 1.11	$ 2.51	$ 2.23
Cash dividends per share	$ 0.32	$ 0.28	$ 0.64	$ 0.56
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic	45,841	47,473	46,020	47,539
Diluted	46,128	47,791	46,313	47,868
Noncontrolling Interest [Member]
OPERATING EXPENSES:
Net Income (Loss) Attributable to Non-controlling Interest	266		482
Retained Earnings [Member]
OPERATING EXPENSES:
Net income attributable to Core Laboratories N.V.	$ 59,676		$ 116,192