Unaudited Condensed Consolidated Statements of Income (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
Revenues	$ 1,040,548	$ 1,091,088	$ 2,109,988	$ 2,190,080
Costs and expenses:
Cost of sales and services	783,344	819,164	1,575,685	1,614,961
Selling, general and administrative expenses	57,159	48,853	112,047	96,592
Depreciation and amortization expense	68,622	54,218	135,537	104,884
Other operating (income) expense	4,831	(407)	(860)	137
	913,956	921,828	1,822,409	1,816,574
Operating income	126,592	169,260	287,579	373,506
Interest expense, net of capitalized interest	(19,657)	(17,937)	(39,748)	(35,880)
Interest income	638	242	1,202	539
Equity in earnings (losses) of unconsolidated affiliates	(59)	220	(766)	640
Other income	1,021	4,308	2,291	6,044
Income before income taxes	108,535	156,093	250,558	344,849
Income tax provision	(31,666)	(44,617)	(71,105)	(97,901)
Net income	76,869	111,476	179,453	246,948
Less: Net income attributable to noncontrolling interest	344	242	739	650
Net income attributable to Oil States International, Inc.	$ 76,525	$ 111,234	$ 178,714	$ 246,298
Net income per share attributable to Oil States International, Inc. common stockholders:
Basic (in Dollars per share)	$ 1.39	$ 2.15	$ 3.25	$ 4.78
Diluted (in Dollars per share)	$ 1.38	$ 2.01	$ 3.22	$ 4.45
Weighted average number of common shares outstanding:
Basic (in Shares)	55,061	51,637	54,935	51,533
Diluted (in Shares)	55,582	55,251	55,477	55,404