Consolidated Statements of Operations Statement - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
REVENUE:
Services	$ 119,786	$ 120,602
Product sales	50,232	36,007
Total revenue	170,018	156,609
OPERATING EXPENSES:
Cost of services, exclusive of depreciation expense shown below	83,288	83,050
Cost of product sales, exclusive of depreciation expense shown below	36,030	29,971
General and administrative expense, exclusive of depreciation expense shown below	12,709	12,756
Depreciation	5,582	6,079
Amortization	236	225
Other (income) expense, net	(143)	989
OPERATING INCOME	32,316	23,539
Interest expense	3,120	2,618
Income from continuing operations before income tax expense	29,196	20,921
Income tax expense	5,273	2,929
Income from continuing operations	23,923	17,992
Loss from discontinued operations, net of income taxes	(346)	(310)
Net Income	23,577	17,682
Net income attributable to non-controlling interest	50	24
Net income attributable to Core Laboratories N.V.	$ 23,527	$ 17,658
EARNINGS PER SHARE INFORMATION:
Basic earnings per share from continuing operations (in dollar per share)	$ 0.54	$ 0.41
Basic loss per share from discontinued operations (in dollar per share)	(0.01)	(0.01)
Basic earnings per share attributable to Core Laboratories N.V. (in dollar per share)	0.53	0.40
Diluted earnings per share from continuing operations (in dollar per share)	0.54	0.41
Diluted loss per share from discontinued operations (in dollar per share)	(0.01)	(0.01)
Diluted earnings per share attributable to Core Laboratories N.V. (in dollar per share)	0.53	0.40
Cash dividends per share (in dollars per share)	$ 0.55	$ 0.55
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic	44,179	44,159
Diluted	44,463	44,347