Segment Information (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following tables set forth certain financial information for each of our segments and corporate (amounts in thousands):

	As of and for the year ended December 31,
	2018		2017		2016
Revenues:
Domestic drilling	$	145,676	$	129,276	$	112,399
International drilling	84,161		41,349		6,808
Drilling services	229,837		170,625		119,207
Well servicing	93,800		77,257		71,491
Wireline services	215,858		163,716		67,419
Coiled tubing services	50,602		34,857		18,959
Production services	360,260		275,830		157,869
Consolidated revenues	$	590,097	$	446,455	$	277,076
Operating costs:
Domestic drilling	$	86,910	$	83,122	$	63,686
International drilling	64,074		31,994		9,465
Drilling services	150,984		115,116		73,151
Well servicing	67,554		56,379		53,208
Wireline services	167,337		128,137		57,634
Coiled tubing services	44,038		31,248		19,956
Production services	278,929		215,764		130,798
Consolidated operating costs	$	429,913	$	330,880	$	203,949
Gross margin:
Domestic drilling	$	58,766	$	46,154	$	48,713
International drilling	20,087		9,355		(2,657		)
Drilling services	78,853		55,509		46,056
Well servicing	26,246		20,878		18,283
Wireline services	48,521		35,579		9,785
Coiled tubing services	6,564		3,609		(997		)
Production services	81,331		60,066		27,071
Consolidated gross margin	$	160,184	$	115,575	$	73,127
Identifiable Assets:
Domestic drilling (1)	$	373,370	$	404,144	$	415,953
International drilling (1) (2)	43,213		36,403		36,337
Drilling services	416,583		440,547		452,290
Well servicing	118,923		125,951		126,917
Wireline services	87,912		92,081		80,502
Coiled tubing services	37,326		30,254		26,062
Production services	244,161		248,286		233,481
Corporate	80,806		78,036		14,331
Consolidated identifiable assets	$	741,550	$	766,869	$	700,102
Depreciation:
Domestic drilling	$	41,289	$	45,243	$	53,900
International drilling	5,628		5,718		6,869
Drilling services	46,917		50,961		60,769
Well servicing	19,578		19,943		22,925
Wireline services	17,945		18,451		20,707
Coiled tubing services	7,987		8,181		8,661
Production services	45,510		46,575		52,293
Corporate	1,127		1,241		1,250
Consolidated depreciation	$	93,554	$	98,777	$	114,312

	As of and for the year ended December 31,
	2018		2017		2016
Capital Expenditures:
Domestic drilling	$	23,598	$	19,219	$	19,118
International drilling	6,309		6,319		678
Drilling services	29,907		25,538		19,796
Well servicing	10,002		17,776		5,274
Wireline services	15,247		11,883		3,499
Coiled tubing services	16,558		5,496		3,548
Production services	41,807		35,155		12,321
Corporate	1,140		754		439
Consolidated capital expenditures	$	72,854	$	61,447	$	32,556

(1) Identifiable assets for our drilling segments include the impact of a $40.1 million, $27.0 million, and $10.8 million intercompany balance, as of December 31, 2018, 2017, and 2016, respectively, between our domestic drilling segment (intercompany receivable) and our international drilling segment (intercompany payable).

(2) Identifiable assets for our international drilling segment include five drilling rigs that are owned by our Colombia subsidiary and three drilling rigs that are owned by one of our domestic subsidiaries and leased to our Colombia subsidiary.

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

The following table reconciles theconsolidated gross margin of our segments reported above to loss from operations as reported on the consolidated statements of operations (amounts in thousands):

	Year ended December 31,
	2018			2017			2016
Consolidated gross margin	$	160,184		$	115,575		$	73,127
Depreciation	(93,554		)	(98,777		)	(114,312		)
General and administrative	(74,117		)	(69,681		)	(61,184		)
Bad debt expense	(271		)	(53		)	(156		)
Impairment	(4,422		)	(1,902		)	(12,815		)
Gain on dispositions of property and equipment, net	3,121			3,608			1,892
Loss from operations	$	(9,059	)	$	(51,230	)	$	(113,448	)