Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Drilling Services Revenue	$ 39,016	$ 33,184
Production Services Revenue	56,741	41,768
Revenues	95,757	74,952
Costs and expenses:
Drilling Services Costs and Expenses	27,107	17,440
Production Services Costs and Expenses	45,641	34,849
Depreciation and amortization	24,992	29,824
General and administrative	17,724	16,508
Bad debt recovery	(363)	(55)
Gain on dispositions of property and equipment, net	(471)	(600)
Total costs and expenses	114,630	97,966
Loss from operations	(18,873)	(23,014)
Other (expense) income:
Interest expense, net of interest capitalized	(6,059)	(6,254)
Other	(144)	(389)
Total other expense	(6,203)	(6,643)
Loss before income taxes	(25,076)	(29,657)
Income tax (expense) benefit	(48)	1,958
Net loss	$ (25,124)	$ (27,699)
Loss per common share - Basic	$ (0.33)	$ (0.43)
Loss per common share - Diluted	$ (0.33)	$ (0.43)
Weighted average number of shares outstanding - Basic	77,072	64,576
Weighted-average number of shares outstanding - Diluted	77,072	64,576