Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating activities:
Net income	$ 13,328	$ 27,954
Reconciliation of net income to cash provided by (used in) operating activities:
Depreciation, depletion, amortization, and accretion	36,554	61,795
Impairments of long-lived assets	0	12,534
Provision (benefit) for deferred income taxes	(547)	9,754
Equity-based compensation expense	4,253	3,140
Provision for doubtful accounts	(304)	974
Gain on sale of property, plant, and equipment	(3,263)	(60,309)
Other non-cash charges and credits	6,904	19,997
Changes in operating assets and liabilities:
Accounts receivable	(38,703)	597
Inventories	320	11,812
Prepaid expenses and other current assets	5,402	28,952
Trade accounts payable and accrued expenses	8,989	(17,608)
Decommissioning liabilities	(42,582)	(43,572)
Other	1,623	3,894
Net cash provided by (used in) operating activities	(8,026)	59,914
Investing activities:
Purchases of property, plant, and equipment	(55,884)	(36,284)
Acquisition of businesses, net	(107,469)	(1,500)
Proceeds on sale of property, plant, and equipment	12,440	187,384
Other investing activities	3,538	(4,929)
Net cash provided by (used in) investing activities	(147,375)	144,671
Financing activities:
Proceeds from long-term debt	1,947	0
Payments of long-term debt	(1,947)	0
Compressco Partners' distributions	(2,300)	0
Proceeds from exercise of stock options	612	2,245
Proceeds from issuance of Compressco Partners' common units, net of underwriters' discount	0	50,234
Compressco Partners' offering costs	0	(2,038)
Excess tax benefit from exercise of stock options	197	1,394
Net cash provided by (used in) financing activities	(1,491)	51,835
Effect of exchange rate changes on cash	1,692	1,994
Increase (decrease) in cash and cash equivalents	(155,200)	258,414
Cash and cash equivalents at beginning of period	204,412	65,360
Cash and cash equivalents at end of period	49,212	323,774
Supplemental cash flow information:
Interest paid	9,073	9,073
Income taxes paid (refunded)	4,190	(16,138)
Supplemental disclosure of non-cash investing and financing activities:
Adjustment of fair value of decommissioning liabilities capitalized to oil and gas properties	$ 0	$ 1,810