Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues:
Total revenues	$ 189,247	$ 393,955	$ 644,564	$ 1,090,373
Expenses:
General and administrative, including stock-based compensation of $3,298 and $3,811 in three months ended September 30, 2015 and 2014, and $10,537 and $10,932 in the nine months ended September 30, 2015 and 2014, respectively	35,984	41,516	110,861	124,028
Depreciation and amortization	60,328	54,485	181,488	157,975
Goodwill impairment	81,877		81,877
Loss on disposal of assets	1,128	979	1,119	1,216
Total expenses	334,247	361,100	882,160	1,022,456
Operating income (loss)	(145,000)	32,855	(237,596)	67,917
Other income (expense):
Interest expense	(17,242)	(16,828)	(50,945)	(50,253)
Interest income	7	11	17	37
Other income	114	139	449	612
Income (loss) before income taxes	(162,121)	16,177	(288,075)	18,313
Income tax benefit (expense)	56,479	(6,246)	101,514	(7,846)
Net income (loss)	$ (105,642)	$ 9,931	$ (186,561)	$ 10,467
Earnings (loss) per share of common stock:
Basic	$ (2.63)	$ 0.24	$ (4.61)	$ 0.25
Diluted	$ (2.63)	$ 0.24	$ (4.61)	$ 0.25
Completion and Remedial Services
Revenues:
Total revenues	$ 67,240	$ 193,699	$ 249,070	$ 495,550
Expenses:
Expenses	56,165	119,138	195,086	308,235
Depreciation and amortization	21,163	17,530	63,518	50,827
Goodwill impairment			81,877
Fluid Services
Revenues:
Total revenues	62,631	92,852	200,138	276,001
Expenses:
Expenses	47,706	66,121	150,218	197,958
Depreciation and amortization	17,638	16,709	52,989	48,445
Well Servicing
Revenues:
Total revenues	55,533	91,119	175,701	273,660
Expenses:
Expenses	47,877	67,636	147,314	202,144
Depreciation and amortization	15,061	14,263	45,582	41,355
Contract Drilling
Revenues:
Total revenues	3,843	16,285	19,655	45,162
Expenses:
Expenses	$ 3,182	$ 11,225	$ 14,197	$ 30,900