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Property And Equipment, Net
3 Months Ended
Mar. 31, 2014
Property, Plant and Equipment [Abstract]  
Property And Equipment, Net
4. Property and Equipment, Net
At March 31, 2014 and December 31, 2013, total property and equipment, net consisted of the following:
 
 
March 31,
2014
 
December 31,
2013
 
 
(In thousands)
Proved properties
 
$2,368,532
 
$2,182,226
Accumulated depreciation, depletion and amortization
 
(837,586
)
 
(773,742
)
Proved properties, net
 
1,530,946

 
1,408,484

Unproved properties, not being amortized
 
 
 
 
Unevaluated leasehold and seismic costs
 
326,703

 
302,232

Exploratory wells in progress
 
21,169

 
30,196

Capitalized interest
 
51,294

 
45,009

Total unproved properties, not being amortized
 
399,166

 
377,437

Other property and equipment
 
15,486

 
15,260

Accumulated depreciation
 
(7,405
)
 
(6,966
)
Other property and equipment, net
 
8,081

 
8,294

Total property and equipment, net
 
$1,938,193
 
$1,794,215