Consolidated Statements Of Operations And Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenues:
Completion and remedial services	$ 164,420	$ 97,507
Fluid services	95,325	72,345
Well servicing	95,902	69,147
Contract drilling	15,250	7,055
Total revenues	370,897	246,054
Expenses:
Completion and remedial services	97,025	54,933
Fluid services	62,847	48,228
Well servicing	67,250	48,440
Contract drilling	10,206	4,485
General and administrative, including stock-based compensation of $2,173 and $1,680 in three months ended March 31, 2012 and 2011, respectively	41,358	31,341
Depreciation and amortization	43,984	32,980
(Gain) loss on disposal of assets	1,719	(1,705)
Total expenses	324,389	218,702
Operating income	46,508	27,352
Other income (expense):
Interest expense	(15,223)	(11,342)
Interest income	12	5
Loss on early extinguishment of debt		(49,366)
Other income	149	157
Income (loss) from continuing operations before income taxes	31,446	(33,194)
Income tax benefit (expense)	(11,815)	14,701
Net income (loss)	$ 19,631	$ (18,493)
Earnings per share of common stock:
Basic	$ 0.48	$ (0.46)
Diluted	$ 0.47	$ (0.46)