Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2017

Property and Equipment

Schedule of property and equipment

	March 31,		December 31,
	2017		2016
	(In thousands)
Oil and gas properties:
Proved properties	$	1,375,364	$	1,385,331
Unproved properties		592,275		919,056
Support equipment and facilities		1,392,365		1,386,448
Total oil and gas properties		3,360,004		3,690,835
Accumulated depletion		(1,022,432)		(989,946)
Oil and gas properties, net		2,337,572		2,700,889
Other property		37,287		37,186
Accumulated depreciation		(30,026)		(29,183)
Other property, net		7,261		8,003
Property and equipment, net	$	2,344,833	$	2,708,892