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Inventory (Tables)
3 Months Ended
Mar. 31, 2014
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventory consists of the following:
 
March 31, 2014
 
December 31, 2013
 
(In thousands)
Equipment and materials
$
10,207

 
$
11,669

Crude oil inventory
9,655

 
8,983

Total inventory
$
19,862

 
$
20,652