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Property And Equipment, Net
6 Months Ended
Jun. 30, 2012
Property, Plant and Equipment [Abstract]  
Property And Equipment, Net
PROPERTY AND EQUIPMENT, NET
At June 30, 2012 and December 31, 2011, property and equipment, net consisted of the following:
 
 
 
June 30,
2012
 
December 31,
2011
 
 
(In thousands)
Proved oil and gas properties
 
$
1,433,319

 
$
1,239,778

Accumulated depreciation, depletion and amortization
 
(471,714
)
 
(397,737
)
Proved oil and gas properties, net
 
961,605

 
842,041

Unproved properties and significant development projects, not being amortized
 
 
 
 
Unevaluated leasehold and seismic costs
 
292,310

 
277,425

Significant development projects
 
90,280

 
65,306

Exploratory wells in progress
 
59,063

 
70,533

Capitalized interest
 
49,445

 
46,471

Total costs not subject to amortization
 
491,098

 
459,735

Other property and equipment
 
16,269

 
12,835

Accumulated depreciation
 
(4,825
)
 
(4,097
)
Other property and equipment, net
 
11,444

 
8,738

Total property and equipment, net
 
$
1,464,147

 
$
1,310,514


Sale of Barnett Shale Properties
During the second quarter of 2012, the Company sold a significant portion of its Barnett Shale properties to an affiliate of Atlas Resource Partners, L.P. ("Atlas") for an agreed upon price of $190.0 million. Net proceeds received from the sale were approximately $187.0 million, subject to final post-closing adjustments. Purchase price adjustments primarily relate to proceeds received by the Company for sales of hydrocarbons from such properties between the effective date of January 1, 2012 and the closing date of April 30, 2012. The proceeds from such sale were recognized as a reduction of proved oil and gas properties.