Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2018

Property, plant and equipment consists of the following (in thousands):


	June 30, 2018		December 31, 2017
Oil and natural gas properties
Proved	$	1,145,667	$	1,056,806
Unproved	87,268		100,884
Total oil and natural gas properties	1,232,935		1,157,690
Less accumulated depreciation, depletion and impairment	(515,822)		(460,431)
Net oil and natural gas properties capitalized costs	717,113		697,259

Land	4,500		4,500
Electrical infrastructure	131,010		131,010
Other non-oil and natural gas equipment	19,778		26,809
Buildings and structures	79,548		79,548
Total	234,836		241,867
Less accumulated depreciation and amortization	(20,933)		(15,886)
Other property, plant and equipment, net	213,903		225,981
Total property, plant and equipment, net	$	931,016	$	923,240