Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenues:
Total revenues	$ 261,721	$ 336,756
Expenses:
General and administrative, including stock-based compensation of $3,969 and $3,388 in three months ended March 31, 2015 and 2014, respectively	39,204	39,559
Depreciation and amortization	60,929	51,705
(Gain) loss on disposal of assets	48	(679)
Total expenses	295,490	322,772
Operating income (loss)	(33,769)	13,984
Other income (expense):
Interest expense	(16,863)	(16,859)
Interest income	6	13
Other income	120	366
Loss before income taxes	(50,506)	(2,496)
Income tax benefit	17,882	589
Net loss	(32,624)	(1,907)
Loss per share of common stock:
Basic	$ (0.81)	$ (0.05)
Diluted	$ (0.81)	$ (0.05)
Completion and Remedial Services
Revenues:
Total revenues	112,775	137,485
Expenses:
Expenses	81,251	86,480
Depreciation and amortization	21,454	15,727
Fluid Services
Revenues:
Total revenues	73,803	92,835
Expenses:
Expenses	54,132	66,782
Depreciation and amortization	17,776	16,063
Well Servicing
Revenues:
Total revenues	63,668	92,912
Expenses:
Expenses	52,401	69,759
Depreciation and amortization	15,268	13,980
Contract Drilling
Revenues:
Total revenues	11,475	13,524
Expenses:
Expenses	$ 7,525	$ 9,166