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Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of detailed information about property, plant and equipment [abstract]

Schedule of Property, Plant and Equipment


		2021				2020
Cost		$	6,503,721			$	6,563,206
Accumulated depreciation			(4,245,330	)			(4,090,523	)
		$	2,258,391			$	2,472,683
Rig equipment			2,074,185				2,269,794
Rental equipment			20,597				27,359
Other equipment			17,088				27,318
Vehicles			3,204				4,978
Buildings			44,009				49,451
Assets under construction			67,884				60,572
Land			31,424				33,211
		$	2,258,391			$	2,472,683

Cost


		Rig Equipment				Rental Equipment				Other Equipment				Vehicles				Buildings				Assets Under Construction				Land				Total
Balance, December 31, 2019		$	6,109,383			$	110,307			$	185,319			$	38,506			$	126,177			$	67,740			$	33,547			$	6,670,979
Additions			10,375				—				350				—				—				50,810				—				61,535
Disposals			(78,028	)			(4,664	)			(3,990	)			(2,789	)			(3,053	)			—				—				(92,524	)
Reclassifications			55,322				—				521				—				—				(55,843	)			—				—
Effect of foreign currency exchange differences			(71,285	)			(619	)			(1,196	)			(367	)			(846	)			(2,135	)			(336	)			(76,784	)
Balance, December 31, 2020			6,025,767				105,024				181,004				35,350				122,278				60,572				33,211				6,563,206
Additions			15,288				—				254				—				—				60,399				—				75,941
Disposals			(100,004	)			(1,822	)			(2,300	)			(543	)			(2,454	)			—				(1,674	)			(108,797	)
Reclassifications			47,080				—				188				—				—				(47,268	)			—				—
Effect of foreign currency exchange differences			(19,815	)			(21	)			(429	)			(127	)			(305	)			(5,819	)			(113	)			(26,629	)
Balance, December 31, 2021		$	5,968,316			$	103,181			$	178,717			$	34,680			$	119,519			$	67,884			$	31,424			$	6,503,721

Accumulated Depreciation


		Rig Equipment				Rental Equipment				Other Equipment				Vehicles				Buildings				Assets Under Construction				Land				Total
Balance, December 31, 2019		$	3,598,878			$	75,870			$	146,715			$	30,710			$	69,343			$	—			$	—			$	3,921,516
Depreciation expense			277,799				7,044				12,013				2,790				5,288				—				—				304,934
Disposals			(73,354	)			(4,631	)			(3,990	)			(2,782	)			(1,319	)			—				—				(86,076	)
Effect of foreign currency exchange differences			(47,350	)			(618	)			(1,052	)			(346	)			(485	)			—				—				(49,851	)
Balance, December 31, 2020			3,755,973				77,665				153,686				30,372				72,827				—				—				4,090,523
Depreciation expense			248,564				6,741				10,410				1,739				4,582				—				—				272,036
Disposals			(95,977	)			(1,804	)			(2,194	)			(543	)			(1,769	)			—				—				(102,287	)
Effect of foreign currency exchange differences			(14,429	)			(18	)			(273	)			(92	)			(130	)			—				—				(14,942	)
Balance, December 31, 2021		$	3,894,131			$	82,584			$	161,629			$	31,476			$	75,510			$	—			$	—			$	4,245,330