XML 28 R9.htm IDEA: XBRL DOCUMENT v3.2.0.727
Inventory
6 Months Ended
Jun. 30, 2015
Inventory Disclosure [Abstract]  
Inventory
Inventory
Equipment and materials consist primarily of proppant, chemicals, tubular goods, well equipment to be used in future drilling or repair operations and well fracturing equipment. Crude oil inventory includes oil in tank and linefill. Inventory is stated at the lower of cost or market value with cost determined on an average cost method. Inventory consists of the following:
 
June 30, 2015
 
December 31, 2014
 
(In thousands)
Equipment and materials
$
9,857

 
$
14,225

Crude oil inventory
7,812

 
7,129

Total inventory
$
17,669

 
$
21,354