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Property and Equipment
6 Months Ended
Jun. 30, 2012
Property and Equipment
6.
Property and Equipment
 
The following table summarizes our property and equipment as of the dates presented:
 
June 30,
2012
 
December 31,
2011
Oil and gas properties:
 

 
 

Proved
$
2,380,954

 
$
2,239,186

Unproved
106,181

 
120,288

Total oil and gas properties
2,487,135

 
2,359,474

Other property and equipment
151,929

 
143,285

Total property and equipment
2,639,064

 
2,502,759

Accumulated depreciation, depletion and amortization
(827,511
)
 
(725,184
)
 
$
1,811,553

 
$
1,777,575