Segment Information (Tables)

3 Months Ended

Mar. 31, 2017

Segment Information [Abstract]

Schedule Of Segment Reporting Information By Segment

Three Months Ended March 31, 2017
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical				Consolidated
	Services		Services		Services		Solutions		Unallocated		Total
Revenues	$	68,431	$	204,979	$	68,605	$	58,921	$	-	$	400,936
Cost of services and rentals (exclusive of
depreciation, depletion, amortization and accretion)		29,150		193,566		61,181		38,089		-		321,986
Depreciation, depletion, amortization
and accretion		34,975		49,883		20,836		8,587		-		114,281
General and administrative expenses		17,473		24,771		15,800		17,449		-		75,493
Loss from operations		(13,167)		(63,241)		(29,212)		(5,204)		-		(110,824)
Interest expense, net		-		-		-		790		(25,040)		(24,250)
Other expense		-		-		-		-		649		649
Loss from continuing operations
before income taxes	$	(13,167)	$	(63,241)	$	(29,212)	$	(4,414)	$	(24,391)	$	(134,425)

Three Months Ended March 31, 2016
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical				Consolidated
	Services		Services		Services		Solutions		Unallocated		Total
Revenues	$	88,422	$	132,472	$	104,894	$	87,345	$	-	$	413,133
Cost of services and rentals (exclusive of
depreciation, depletion, amortization and accretion)		33,921		123,330		77,487		50,601		-		285,339
Depreciation, depletion, amortization and accretion		45,140		54,627		25,229		11,676		-		136,672
General and administrative expenses		27,083		25,050		25,895		25,127		-		103,155
Loss from operations		(17,722)		(70,535)		(23,717)		(59)		-		(112,033)
Interest income (expense), net		-		-		(793)		943		(23,956)		(23,806)
Other expense		-		-		-		-		7,755		7,755
Income (loss) from continuing operations    before income taxes	$	(17,722)	$	(70,535)	$	(24,510)	$	884	$	(16,201)	$	(128,084)

Identifiable Assets

Identifiable Assets
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical		Consolidated
	Services		Services		Services		Solutions		Total
March 31, 2017	$	772,561	$	1,593,298	$	585,434	$	427,418	$	3,378,711
December 31, 2016	$	849,046	$	1,573,801	$	598,909	$	448,499	$	3,470,255

Company's Information by Geographic Area

Revenues
	Three Months Ended March 31,
	2017		2016
United States	$	333,609	$	303,576
Other Countries		67,327		109,557
Total	$	400,936	$	413,133
Long-Lived Assets
	March 31, 2017		December 31, 2016
United States	$	1,210,392	$	1,288,077
Other Countries		302,890		317,288
Total, net	$	1,513,282	$	1,605,365