The operating results and assets of the Company’s reportable segments were as follows for the three months ended September 30, 2016 and 2017 (in thousands):


	Exploration and production		Gathering and processing	Water handling and treatment	Marketing	Elimination of intersegment transactions	Consolidated total
Three months ended September 30, 2016:
Sales and revenues:
Third-party	$	1,016,458	2,745	224	97,076	—	1,116,503
Intersegment		3,990	75,319	72,187	—	(151,496)	—
Total	$	1,020,448	78,064	72,411	97,076	(151,496)	1,116,503

Operating expenses:
Lease operating	$	13,710	—	28,978	—	(28,834)	13,854
Gathering, compression, processing, and transportation		303,753	6,400	—	—	(75,238)	234,915
Depletion, depreciation, and amortization		172,735	18,540	7,838	—	—	199,113
General and administrative		44,637	10,282	3,033	—	(375)	57,577
Other		31,266	(1,708)	3,070	114,611	(3,527)	143,712
Total		566,101	33,514	42,919	114,611	(107,974)	649,171
Operating income (loss)	$	454,347	44,550	29,492	(17,535)	(43,522)	467,332
Equity in earnings of unconsolidated affiliates	$	—	1,543	—	—	—	1,543
Segment assets	$	12,966,493	1,669,667	562,995	33,114	(603,016)	14,629,253
Capital expenditures for segment assets	$	909,837	56,836	58,730	—	(43,343)	982,060


	Exploration and production		Gathering and processing	Water handling and treatment	Marketing	Elimination of intersegment transactions	Consolidated total
Three months ended September 30, 2017:
Sales and revenues:
Third-party	$	594,244	2,609	260	50,767	—	647,880
Intersegment		3,070	97,909	92,851	—	(193,830)	—
Total	$	597,314	100,518	93,111	50,767	(193,830)	647,880

Operating expenses:
Lease operating	$	24,060	—	51,569	—	(52,138)	23,491
Gathering, compression, processing, and transportation		369,538	10,468	—	—	(97,872)	282,134
Depletion, depreciation, and amortization		176,188	22,027	8,753	—	—	206,968
General and administrative		48,289	9,336	4,980	—	(402)	62,203
Other		65,259	92	3,457	78,884	(2,556)	145,136
Total		683,334	41,923	68,759	78,884	(152,968)	719,932
Operating income (loss)	$	(86,020)	58,595	24,352	(28,117)	(40,862)	(72,052)
Equity in earnings of unconsolidated affiliates	$	—	7,033	—	—	—	7,033
Segment assets	$	12,751,606	2,158,107	752,982	15,807	(829,288)	14,849,214
Capital expenditures for segment assets	$	415,088	99,254	48,019	—	(40,704)	521,657

The operating results and assets of the Company’s reportable segments were as follows for the nine months ended September 30, 2016 and 2017 (in thousands):


	Exploration and production		Gathering and processing	Water handling and treatment	Marketing	Elimination of intersegment transactions	Consolidated total
Nine months ended September 30, 2016:
Sales and revenues:
Third-party	$	1,291,008	9,463	644	287,194	—	1,588,309
Intersegment		11,714	210,144	203,106	—	(424,964)	—
Total	$	1,302,722	219,607	203,750	287,194	(424,964)	1,588,309

Operating expenses:
Lease operating	$	37,299	—	104,009	—	(104,118)	37,190
Gathering, compression, processing, and transportation		838,936	20,567	—	—	(209,790)	649,713
Depletion, depreciation, and amortization		513,302	52,780	21,975	—	—	588,057
General and administrative		135,356	29,755	9,957	—	(1,102)	173,966
Other		104,279	(809)	11,568	378,521	(10,384)	483,175
Total		1,629,172	102,293	147,509	378,521	(325,394)	1,932,101
Operating income (loss)	$	(326,450)	117,314	56,241	(91,327)	(99,570)	(343,792)
Equity in earnings of unconsolidated affiliates	$	—	2,027	—	—	—	2,027
Segment assets	$	12,966,493	1,669,667	562,995	33,114	(603,016)	14,629,253
Capital expenditures for segment assets	$	1,734,914	154,136	137,355	—	(98,955)	1,927,450


	Exploration and production		Gathering and processing	Water handling and treatment	Marketing	Elimination of intersegment transactions	Consolidated total
Nine months ended September 30, 2017:
Sales and revenues:
Third-party	$	2,458,524	7,472	1,193	166,659	—	2,633,848
Intersegment		11,421	283,467	270,033	—	(564,921)	—
Total	$	2,469,945	290,939	271,226	166,659	(564,921)	2,633,848

Operating expenses:
Lease operating	$	56,991	—	131,635	—	(132,592)	56,034
Gathering, compression, processing, and transportation		1,070,522	28,492	—	—	(283,304)	815,710
Depletion, depreciation, and amortization		521,603	64,445	24,831	—	—	610,879
General and administrative		148,876	30,179	13,383	—	(1,438)	191,000
Other		158,128	104	12,333	246,298	(9,672)	407,191
Total		1,956,120	123,220	182,182	246,298	(427,006)	2,080,814
Operating income (loss)	$	513,825	167,719	89,044	(79,639)	(137,915)	553,034
Equity in earnings of unconsolidated affiliates	$	—	12,887	—	—	—	12,887
Segment assets	$	12,751,606	2,158,107	752,982	15,807	(829,288)	14,849,214
Capital expenditures for segment assets	$	1,456,870	254,619	143,470	—	(137,420)	1,717,539