Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2014

Property Plant And Equipment [Abstract]

Components of Property and Equipment

Property and equipment at June 30, 2014 and December 31, 2013 consisted of the following:

(Thousands of dollars)	June 30, 2014			December 31, 2013
Proved oil and gas properties, at cost	$	383,048		$	364,123
Less: Accumulated depletion and depreciation		(178,437	)		(169,100	)
Oil and Gas Properties, Net	$	204,611		$	195,023
Field and office equipment	$	26,689		$	26,653
Less: Accumulated depreciation		(13,650	)		(13,251	)
Field and Office Equipment, Net	$	13,039		$	13,402
Total Property and Equipment, Net	$	217,650		$	208,425