XML 66 R13.htm IDEA: XBRL DOCUMENT v2.4.0.6
Property and Equipment
9 Months Ended
Sep. 30, 2012
Property and Equipment
6.
Property and Equipment
 
The following table summarizes our property and equipment as of the dates presented:
 
September 30,
2012
 
December 31,
2011
Oil and gas properties:
 

 
 

Proved
$
2,204,593

 
$
2,239,186

Unproved
99,384

 
120,288

Total oil and gas properties
2,303,977

 
2,359,474

Other property and equipment
95,591

 
143,285

Total property and equipment
2,399,568

 
2,502,759

Accumulated depreciation, depletion and amortization
(654,477
)
 
(725,184
)
 
$
1,745,091

 
$
1,777,575