14. Business Segments

At September 30, 2018, the Company had three business segments: (i) contract drilling of oil and natural gas wells, (ii) pressure pumping services and (iii) directional drilling services. Each of these segments represents a distinct type of business and has a separate management team that reports to the Company’s chief operating decision maker. The results of operations in these segments are regularly reviewed by the chief operating decision maker for purposes of determining resource allocation and assessing performance.

The following tables summarize selected financial information relating to the Company’s business segments (in thousands):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2018			2017			2018			2017
Revenues:
Contract drilling	$	365,697		$	301,954		$	1,044,190		$	731,496
Pressure pumping		421,606			362,441			1,253,693			793,659
Directional drilling		51,556			—			152,877			—
Other operations (a)		33,087			22,832			94,457			48,092
Elimination of intercompany revenues (b)		(4,468	)		(2,238	)		(14,157	)		(3,897	)
Total revenues	$	867,478		$	684,989		$	2,531,060		$	1,569,350

Income (loss) before income taxes:
Contract drilling	$	(42,704	)	$	(20,397	)	$	(60,058	)	$	(155,465	)
Pressure pumping		(1,487	)		16,841			44,539			(1,414	)
Directional drilling		(8,995	)		—			(21,586	)		—
Other operations		(4,861	)		(6,516	)		(13,727	)		(13,030	)
Corporate		(23,005	)		(31,735	)		(70,876	)		(119,483	)
Other operating income, net (c)		771			3,791			10,321			18,501
Interest income		817			101			4,600			1,149
Interest expense		(12,376	)		(9,584	)		(38,668	)		(26,929	)
Other		281			78			666			226
Loss before income taxes	$	(91,559	)	$	(47,421	)	$	(144,789	)	$	(296,445	)

Depreciation, depletion, amortization and impairment:
Contract drilling	$	179,979		$	133,603		$	441,834		$	405,576
Pressure pumping		76,986			51,274			191,370			141,329
Directional drilling		12,263			—			35,039			—
Other operations		10,545			9,534			29,688			19,826
Corporate		1,879			2,231			5,997			5,456
Total depreciation, depletion, amortization and impairment	$	281,652		$	196,642		$	703,928		$	572,187

Capital expenditures:
Contract drilling	$	103,295		$	106,879		$	299,637		$	222,426
Pressure pumping		44,860			27,230			125,978			85,423
Directional drilling		6,855			—			29,718			—
Other operations		6,817			8,647			23,524			21,016
Corporate		958			305			1,711			986
Total capital expenditures	$	162,785		$	143,061		$	480,568		$	329,851

	September 30,		December 31,
	2018		2017
Identifiable assets:
Contract drilling	$	3,844,276	$	3,931,994
Pressure pumping		1,178,927		1,209,424
Directional drilling		323,380		301,275
Other operations		174,141		172,094
Corporate (d)		299,218		144,069
Total assets	$	5,819,942	$	5,758,856

(a)	Other operations includes the Company’s oilfield rentals business, pipe handling components and related technology business, oil and natural gas working interests and Middle East/North Africa activities.

(b)	Intercompany revenues consists of contract drilling intercompany revenues for services provided to other operations and also includes revenues from other operations for services provided to contract drilling, pressure pumping and within other operations.

(c)

Other operating income, net includes net gains associated with the disposal of assets related to corporate strategy decisions of the executive management group. Accordingly, the related gains have been excluded from the operating results of specific segments. This caption also includes certain legal-related expenses and settlements, net of insurance reimbursements.

(d)	Corporate assets primarily include cash on hand and certain property and equipment.