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Inventory (Tables)
9 Months Ended
Sep. 30, 2016
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventory consists of the following:
 
September 30, 2016
 
December 31, 2015
 
(In thousands)
Crude oil inventory
$
5,344

 
$
6,152

Equipment and materials
3,169

 
4,920

Total inventory
$
8,513

 
$
11,072