Segment Information (Tables)

3 Months Ended

Mar. 31, 2020

Segment Information [Abstract]

Schedule Of Segment Reporting Information

Three Months Ended March 31, 2020
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical		Corporate and		Consolidated
	Services		Services		Services		Solutions		Other		Total
Revenues	$	103,993	$	61,218	$	101,504	$	54,782	$	-	$	321,497
Cost of revenues (exclusive of depreciation, depletion, amortization and accretion		34,963		52,589		82,612		41,522		-		211,686
Depreciation, depletion, amortization
and accretion		17,790		6,313		10,838		5,345		1,069		41,355
General and administrative expenses		14,513		5,314		7,855		13,991		23,484		65,157
Reduction in value of assets		-		-		4,096		12,426		-		16,522
Income (loss) from operations		36,727		(2,998)		(3,897)		(18,502)		(24,553)		(13,223)
Interest income (expense), net		-		-		-		1,173		(26,307)		(25,134)
Other expense		-		-		-		-		(4,232)		(4,232)
Income (loss) from continuing operations
before income taxes	$	36,727	$	(2,998)	$	(3,897)	$	(17,329)	$	(55,092)	$	(42,589)

Three Months Ended March 31, 2019
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical		Corporate and		Consolidated
	Services		Services		Services		Solutions		Other		Total
Revenues	$	101,079	$	103,136	$	103,450	$	57,609	$	-	$	365,274
Cost of revenues (exclusive of depreciation, depletion, amortization and accretion		42,205		81,689		79,881		36,278		-		240,053
Depreciation, depletion, amortization
and accretion		23,026		11,647		14,140		6,310		1,220		56,343
General and administrative expenses		14,569		7,842		7,812		15,937		24,952		71,112
Income (loss) from operations		21,279		1,958		1,617		(916)		(26,172)		(2,234)
Interest income (expense), net		-		-		-		1,018		(26,139)		(25,121)
Other expense		-		-		-		-		(1,612)		(1,612)
Income (loss) from continuing operations
before income taxes	$	21,279	$	1,958	$	1,617	$	102	$	(53,923)	$	(28,967)

Schedule Of Identifiable Assets

Identifiable Assets
			Onshore
	Drilling		Completion
	Products and		and Workover		Production		Technical		Corporate and		Consolidated
	Services		Services		Services		Solutions		Other		Total
March 31, 2020	$	681,004	$	353,331	$	422,673	$	309,719	$	64,164	$	1,830,891
December 31, 2019	$	659,621		467,697	$	421,848	$	377,627	$	66,437	$	1,993,230

Revenue By Geographic Area

Revenues
	Three Months Ended March 31,
	2020		2019
United States	$	214,734	$	273,211
Other countries		106,763		92,063
Total	$	321,497	$	365,274
Long-Lived Assets
	March 31, 2020		December 31, 2019
United States	$	447,308	$	489,189
Other countries		172,709		175,760
Total	$	620,017	$	664,949