Segment Information (Tables)

9 Months Ended

Sep. 30, 2017

Segment Information [Abstract]

Schedule Of Segment Reporting Information By Segment

Three Months Ended September 30, 2017
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical				Consolidated
	Services		Services		Services		Solutions		Unallocated		Total
Revenues	$	77,206	$	248,405	$	97,333	$	83,085	$	-	$	506,029
Cost of services and rentals (exclusive of
depreciation, depletion, amortization and accretion)		31,715		210,103		78,074		48,387		-		368,279
Depreciation, depletion, amortization
and accretion		32,055		48,828		19,606		8,262		-		108,751
General and administrative expenses		16,491		22,931		17,441		17,509		-		74,372
Reduction in value of assets		-		1,838		-		8,115		-		9,953
Income (loss) from operations		(3,055)		(35,295)		(17,788)		812		-		(55,326)
Interest income (expense), net		-		-		-		926		(30,022)		(29,096)
Other expense		-		-		-		-		(970)		(970)
Income (loss) from continuing operations
before income taxes	$	(3,055)	$	(35,295)	$	(17,788)	$	1,738	$	(30,992)	$	(85,392)

Three Months Ended September 30, 2016
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical				Consolidated
	Services		Services		Services		Solutions		Unallocated		Total
Revenues	$	59,587	$	125,022	$	77,523	$	64,093	$	-	$	326,225
Cost of services and rentals (exclusive of
depreciation, depletion, amortization and accretion)		26,955		124,747		66,000		40,466		-		258,168
Depreciation, depletion, amortization and accretion		37,950		51,346		23,131		10,881		-		123,308
General and administrative expenses		20,431		23,124		19,712		23,476		-		86,743
Loss from operations		(25,749)		(74,195)		(31,320)		(10,730)		-		(141,994)
Interest income (expense), net		-		-		(17)		870		(22,624)		(21,771)
Other income		-		-		-		-		3,667		3,667
Loss from continuing operations    before income taxes	$	(25,749)	$	(74,195)	$	(31,337)	$	(9,860)	$	(18,957)	$	(160,098)

Nine Months Ended September 30, 2017
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical				Consolidated
	Services		Services		Services		Solutions		Unallocated		Total
Revenues	$	214,464	$	702,463	$	254,544	$	205,562	$	-	$	1,377,033
Cost of services and rentals (exclusive of
depreciation, depletion, amortization and accretion)		94,191		610,154		210,778		126,944		-		1,042,067
Depreciation, depletion, amortization and accretion		100,859		144,090		60,905		25,297		-		331,151
General and administrative expenses		50,576		73,522		50,113		52,362		-		226,573
Reduction in value of assets		-		1,838		-		8,115		-		9,953
Loss from operations		(31,162)		(127,141)		(67,252)		(7,156)		-		(232,711)
Interest income (expense), net		-		-		-		2,627		(79,306)		(76,679)
Other expense		-		-		-		-		(2,477)		(2,477)
Loss from continuing operations
before income taxes	$	(31,162)	$	(127,141)	$	(67,252)	$	(4,529)	$	(81,783)	$	(311,867)

Nine Months Ended September 30, 2016
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical				Consolidated
	Services		Services		Services		Solutions		Unallocated		Total
Revenues	$	224,213	$	373,387	$	267,389	$	230,640	$	-	$	1,095,629
Cost of services and rentals (exclusive of
depreciation, depletion, amortization and accretion)		92,487		363,447		210,823		135,385		-		802,142
Depreciation, depletion, amortization and accretion		125,831		158,885		72,959		34,342		-		392,017
General and administrative expenses		71,403		68,250		61,214		69,600		-		270,467
Reduction in value of assets		47,659		188,741		226,061		-		-		462,461
Loss from operations		(113,167)		(405,936)		(303,668)		(8,687)		-		(831,458)
Interest income (expense), net		-		-		(1,330)		2,669		(69,664)		(68,325)
Other income		-		-		-		-		22,103		22,103
Loss from continuing operations
before income taxes	$	(113,167)	$	(405,936)	$	(304,998)	$	(6,018)	$	(47,561)	$	(877,680)

Identifiable Assets

Identifiable Assets
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical		Consolidated
	Services		Services		Services		Solutions		Total
September 30, 2017	$	686,609	$	1,564,596	$	531,809	$	428,117	$	3,211,131
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 September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
United States	$	423,137	$	243,586		1,158,810	$	808,546
Other countries		82,892		82,639		218,223		287,083
Total	$	506,029	$	326,225	$	1,377,033	$	1,095,629
Long-Lived Assets
	September 30, 2017		December 31, 2016
United States	$	1,095,568	$	1,288,077
Other countries		283,992		317,288
Total	$	1,379,560	$	1,605,365