14. Business Segments

At June 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						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Revenues:
Contract drilling	$	350,340		$	270,487		$	678,493		$	429,542
Pressure pumping		425,303			290,044			832,087			431,218
Directional drilling		52,705			—			101,321			—
Other operations (a)		31,717			19,642			61,370			25,260
Elimination of intercompany revenues (b)		(5,647	)		(987	)		(9,689	)		(1,659	)
Total revenues	$	854,418		$	579,186		$	1,663,582		$	884,361

Income (loss) before income taxes:
Contract drilling	$	(251	)	$	(73,362	)	$	(17,354	)	$	(135,068	)
Pressure pumping		20,637			4,636			46,026			(18,255	)
Directional drilling		(7,678	)		—			(12,591	)		—
Other operations		(4,777	)		(4,563	)		(8,866	)		(6,514	)
Corporate		(24,064	)		(68,753	)		(47,871	)		(87,748	)
Other operating income, net (c)		7,129			1,806			9,550			14,710
Interest income		2,360			642			3,783			1,048
Interest expense		(12,667	)		(9,075	)		(26,292	)		(17,345	)
Other		216			131			385			148
Loss before income taxes	$	(19,095	)	$	(148,538	)	$	(53,230	)	$	(249,024	)

Depreciation, depletion, amortization and impairment:
Contract drilling	$	130,938		$	161,414		$	261,855		$	271,973
Pressure pumping		57,862			47,805			114,384			90,055
Directional drilling		11,874			—			22,776			—
Other operations		9,829			8,120			19,143			10,292
Corporate		1,881			1,989			4,118			3,225
Total depreciation, depletion, amortization and impairment	$	212,384		$	219,328		$	422,276		$	375,545

Capital expenditures:
Contract drilling	$	121,095		$	71,326		$	196,342		$	115,547
Pressure pumping		56,195			38,780			81,118			58,193
Directional drilling		10,034			—			22,863			—
Other operations		7,311			8,017			16,707			12,369
Corporate		227			227			753			681
Total capital expenditures	$	194,862		$	118,350		$	317,783		$	186,790

	June 30,		December 31,
	2018		2017
Identifiable assets:
Contract drilling	$	3,906,510	$	3,931,994
Pressure pumping		1,223,330		1,209,424
Directional drilling		323,131		301,275
Other operations		173,748		172,094
Corporate (d)		327,271		144,069
Total assets	$	5,953,990	$	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.