Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues:
Completion and remedial services	$ 121,807	$ 61,533	$ 219,314	$ 106,767
Fluid services	81,415	58,801	153,760	110,948
Well servicing	83,881	49,529	153,028	91,325
Contract drilling	9,752	5,269	16,807	9,058
Total revenues	296,855	175,132	542,909	318,098
Expenses:
Completion and remedial services	68,827	37,660	123,760	67,383
Fluid services	51,688	43,425	99,916	84,365
Well servicing	57,409	36,734	105,849	68,834
Contract drilling	7,393	3,725	11,878	6,995
General and administrative, including stock-based compensation of $2,078 and $1,439 in three months ended June 30, 2011 and 2010, and $3,758 and $2,589 in the six months ended June 30, 2011 and 2010, respectively	34,138	26,820	65,479	51,897
Depreciation and amortization	34,784	34,250	67,764	67,348
(Gain) loss on disposal of assets	942	463	(763)	1,174
Total expenses	255,181	183,077	473,883	347,996
Operating income (loss)	41,674	(7,945)	69,026	(29,898)
Other income (expense):
Interest expense	(11,842)	(11,778)	(23,184)	(23,442)
Interest income	23	24	28	50
Gain on bargain purchase		1,772		1,772
Loss on early extinguishment of debt			(49,366)
Other income (expense)	102	111	259	192
Income (loss) from continuing operations before income taxes	29,957	(17,816)	(3,237)	(51,326)
Income tax benefit (expense)	(13,407)	7,144	1,294	19,063
Net income (loss)	$ 16,550	$ (10,672)	$ (1,943)	$ (32,263)
Earnings (loss) per share of common stock:
Diluted	$ 0.40	$ (0.27)	$ (0.05)	$ (0.81)
Basic	$ 0.41	$ (0.27)	$ (0.05)	$ (0.81)