Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2017

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



	September 30, 2017			December 31, 2016
Oil and natural gas properties
Proved	$	1,004,370		$	840,201
Unproved	103,533			74,937
Total oil and natural gas properties	1,107,903			915,138
Less accumulated depreciation, depletion and impairment	(432,564		)	(353,030		)
Net oil and natural gas properties capitalized costs	675,339			562,108

Land	5,200			5,100
Electrical infrastructure	131,100			130,242
Other non-oil and natural gas equipment	26,956			35,768
Buildings and structures	88,503			88,603
Total	251,759			259,713
Less accumulated depreciation and amortization	(13,339		)	(3,889		)
Other property, plant and equipment, net	238,420			255,824
Total property, plant and equipment, net	$	913,759		$	817,932