Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

Segment Information [Abstract]

Schedule Of Segment Reporting Information By Segment

Three Months Ended June 30, 2018
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical		Corporate and		Consolidated
	Services		Services		Services		Solutions		Other		Total
Revenues	$	94,033	$	276,242	$	102,004	$	63,269	$	-	$	535,548
Cost of services and rentals (exclusive of
depreciation, depletion, amortization and accretion)		36,599		210,206		85,129		37,876		-		369,810
Depreciation, depletion, amortization
and accretion		28,590		47,423		14,303		6,273		1,384		97,973
General and administrative expenses		13,843		11,102		9,696		13,323		21,932		69,896
Income (loss) from operations		15,001		7,511		(7,124)		5,797		(23,316)		(2,131)
Interest income (expense), net		-		-		-		971		(25,865)		(24,894)
Other expense		-		-		-		-		(2,382)		(2,382)
Income (loss) from continuing operations
before income taxes	$	15,001	$	7,511	$	(7,124)	$	6,768	$	(51,563)	$	(29,407)

Three Months Ended June 30, 2017
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical		Corporate and		Consolidated
	Services		Services		Services		Solutions		Other		Total
Revenues	$	68,827	$	249,079	$	88,606	$	63,556	$	-	$	470,068
Cost of services and rentals (exclusive of
depreciation, depletion, amortization and accretion)		33,002		207,021		71,377		40,402		-		351,802
Depreciation, depletion, amortization
and accretion		33,619		44,621		20,193		8,255		1,431		108,119
General and administrative expenses		12,739		11,804		11,886		13,828		26,451		76,708
Income (loss) from operations		(10,533)		(14,367)		(14,850)		1,071		(27,882)		(66,561)
Interest income (expense), net		-		-		-		911		(24,244)		(23,333)
Other expense		-		-		-		-		(2,156)		(2,156)
Income (loss) from continuing operations
before income taxes	$	(10,533)	$	(14,367)	$	(14,850)	$	1,982	$	(54,282)	$	(92,050)

Six Months Ended June 30, 2018
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical		Corporate and		Consolidated
	Services		Services		Services		Solutions		Other		Total
Revenues	$	179,235	$	507,731	$	202,721	$	128,179	$	-	$	1,017,866
Cost of services and rentals (exclusive of
depreciation, depletion, amortization and accretion)		71,669		390,857		171,065		79,679		-		713,270
Depreciation, depletion, amortization
and accretion		58,231		95,078		33,583		14,003		2,797		203,692
General and administrative expenses		26,367		24,328		19,289		27,383		48,349		145,716
Income/(loss) from operations		22,968		(2,532)		(21,216)		7,114		(51,146)		(44,812)
Interest income (expense), net		-		-		-		1,927		(51,708)		(49,781)
Other expense		-		-		-		-		(4,117)		(4,117)
Income/(loss) from continuing operations
before income taxes	$	22,968	$	(2,532)	$	(21,216)	$	9,041	$	(106,971)	$	(98,710)

Six Months Ended June 30, 2017
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical		Corporate and		Consolidated
	Services		Services		Services		Solutions		Other		Total
Revenues	$	137,258	$	454,058	$	157,211	$	122,477	$	-	$	871,004
Cost of services and rentals (exclusive of
depreciation, depletion, amortization and accretion)		62,060		400,710		132,157		78,861		-		673,788
Depreciation, depletion, amortization
and accretion		68,348		93,768		40,782		16,631		2,871		222,400
General and administrative expenses		25,705		23,075		23,167		27,396		52,858		152,201
Loss from operations		(18,855)		(63,495)		(38,895)		(411)		(55,729)		(177,385)
Interest income (expense), net		-		-		-		1,701		(49,284)		(47,583)
Other income		-		-		-		-		(1,507)		(1,507)
Income (loss) from continuing operations
before income taxes	$	(18,855)	$	(63,495)	$	(38,895)	$	1,290	$	(106,520)	$	(226,475)

Identifiable Assets

Identifiable Assets
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical		Corporate and		Consolidated
	Services		Services		Services		Solutions		Other		Total
June 30, 2018	$	578,083	$	1,553,343	$	491,859	$	345,196	$	52,504	$	3,020,985
December 31, 2017	$	662,968	$	1,501,214	$	512,256	$	377,549	$	56,238	$	3,110,225

Revenue By Geographic Area

Revenues
	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
United States	$	447,666	$	402,065	$	855,213	$	735,674
Other countries		87,882		68,003		162,653		135,330
Total	$	535,548	$	470,068	$	1,017,866	$	871,004
Long-Lived Assets
	June 30, 2018		December 31, 2017
United States	$	1,001,738	$	1,064,823
Other countries		238,965		252,121
Total	$	1,240,703	$	1,316,944