Statement of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
REVENUES:
Sales Revenue, Services, Net	$ 481,518	$ 470,259	$ 611,954
Sales Revenue, Goods, Net	178,291	124,482	185,566
Total Revenue	659,809	594,741	797,520
OPERATING EXPENSES:
Cost of services, exclusive of depreciation shown below	334,074	331,688	387,739
Cost of product sales, exclusive of depreciation shown below	140,166	110,956	144,913
General and administrative expenses, exclusive of depreciation shown below	47,737	39,390	49,729
Depreciation	24,021	26,029	26,545
Amortization	919	843	912
Other Operating Income (Expense), Net	(693)	(344)	3,669
Severance and other charges	1,145	0	22,943
Income Before Interest Expense and Taxes	112,440	86,179	161,070
Interest expense	10,734	11,572	12,380
Income before income tax expense	101,706	74,607	148,690
Income Tax Expense (Benefit)	18,610	10,748	33,758
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	83,096	63,859	114,932
Net Income (Loss) Attributable to Noncontrolling Interest	(29)	(36)	85
Net income attributable to Core Laboratories N.V.	$ 83,125	$ 63,895	$ 114,847
EARNINGS PER SHARE INFORMATION:
Earnings Per Share, Basic	$ 1.88	$ 1.47	$ 2.69
Earnings Per Share, Diluted	1.88	1.46	2.68
Cash dividends per share	$ 2.20	$ 2.20	$ 2.20
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Weighted Average Number of Shares Outstanding, Basic	44,153	43,479	42,747
Weighted Average Number of Shares Outstanding, Diluted	44,264	43,670	42,908