Property and Equipment

12 Months Ended

Dec. 31, 2016

Property and Equipment

Property and Equipment

7. Property and Equipment

        The Company's property and equipment as of December 31, 2016 and 2015 was as follows (in thousands):

	Successor			Predecessor
	December 31, 2016			December 31, 2015
Oil and gas properties, on the basis of full-cost accounting:
Proved properties	$	573,150		$	3,666,403
Unproved properties not being amortized		65,080			—
Other property and equipment		6,339			14,798
Less accumulated depreciation, depletion, amortization and impairment		(12,974	)		(3,157,332	)
Net property and equipment	$	631,595		$	523,869

        For the Successor Period and the Predecessor Period, depletion expense related to oil and gas properties was $12.6 million and $59.9 million, respectively and $7.00 and $6.84, per barrel of oil equivalent ("Boe"), respectively. For the years ended December 31, 2015 and 2014, depletion expense related to oil and gas properties was $195.2 million and $266.8 million, respectively and $16.26 and $22.75 per Boe, respectively. For the Successor Period, Predecessor Period and the years ended December 31, 2015 and 2014, depreciation expense related to other property and equipment was $0.4 million, $2.4 million, $3.5 million and $3.1 million, respectively.

        For the Successor Period and the years ended December 31, 2015 and 2014, interest capitalized to unevaluated properties was $0.7 million, $4.9 million and $12.4 million, respectively. The Company did not capitalized interest for the Predecessor Period. For the Successor Period, Predecessor Period and the years ended December 31, 2015 and 2014, the Company capitalized $1.4 million, $3.4 million, $7.3 million and $12.4 million, respectively, of internal costs to oil and gas properties, including $0.6 million, $0.5 million, $1.3 million and $2.2 million, respectively, of qualifying share based compensation expense, see "—Note 12. Equity and Share Based Compensation".