Oil And Natural Gas Properties (Tables)

9 Months Ended

Sep. 30, 2016

Oil And Natural Gas Properties

Oil and Natural Gas Properties

	September 30,		December 31,
	2016		2015
Oil and natural gas properties and related equipment (successful efforts method)
Property costs
Proved property	$	731,617	$	731,548
Unproved property		42		39
Land		501		501
Total property costs		732,160		732,088
Materials and supplies		1,056		1,056
Total		733,216		733,144
Less: Accumulated depreciation, depletion, amortization and impairments		(666,123)		(652,167)
Oil and natural gas properties and equipment, net	$	67,093	$	80,977

Gathering and Transportation Assets

Gathering and transportation assets consist of the following (in thousands):

	September 30,		December 31,
	2016		2015
Gathering and transportation assets
Catarina midstream assets	$	148,070	$	147,479
Less: Accumulated depreciation, depletion, amortization		(6,571)		(1,402)
Total gathering and transportation assets	$	141,499	$	146,077

Depreciation, Depletion, Amortization and Impairments

Depreciation, depletion, amortization and impairments consisted of the following (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2016		2015		2016		2015
DD&A of oil and natural gas-related assets	$	2,348	$	2,851	$	5,310	$	9,050
DD&A of gathering and transportation related assets		1,731		—		5,169		—
Total DD&A		4,079		2,851		10,479		9,050
Asset impairments		—		937		1,309		84,664
Total	$	4,079	$	3,788	$	11,788	$	93,714