Revenue (Tables)

3 Months Ended

Mar. 31, 2018

Revenue

Schedule of disaggregation of revenue

In the following table, revenue is disaggregated by type (in thousands). The table also identifies the reportable segment to which the disaggregated revenues relate. For more information on reportable segments, see Note 15—Reportable Segments.

	Three Months Ended March 31,				Segment to which
	2017		2018		revenues relate
Revenues from contracts with customers:
Natural gas sales	$	466,664	$	497,663	Exploration and production
Natural gas liquids sales (ethane)		18,469		27,075	Exploration and production
Natural gas liquids sales (C3+ NGLs)		176,183		207,095	Exploration and production
Oil sales		26,960		30,273	Exploration and production
Gathering and compression		2,539		4,145	Gathering and processing
Water handling and treatment		65		790	Water handling and treatment
Marketing		65,924		144,389	Marketing
Total		756,804		911,430
Revenues from derivatives and other sources		438,775		116,671
Total revenue and other	$	1,195,579	$	1,028,101