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Property and Equipment
 12 Months Ended
Dec. 31, 2015
Property and Equipment  
Property and Equipment

5. Property and Equipment

Property and equipment is stated at cost and consisted of the following:

 

 

 

 

 

 

 

 

 

 

    

 

December 31,

 

 

 

 

2015

 

2014

 

 

 

 

(In thousands)

 

Oil and gas properties:

 

 

 

 

 

 

 

 

Proved properties

 

 

$
1,337,215

 

$
1,156,868

 

Unproved properties

 

 

 
593,510

 

 
363,717

 

Support equipment and facilities

 

 

 
1,241,943

 

 
968,722

 

Total oil and gas properties

 

 

 
3,172,668

 

 
2,489,307

 

Accumulated depletion

 

 

 
(858,442)

 

 
(716,121)

 

Oil and gas properties, net

 

 

 
2,314,226

 

 
1,773,186

 

 

 

 

 

 

 

 

 

 

Other property

 

 

 
34,807

 

 
33,718

 

Accumulated depreciation

 

 

 
(26,194)

 

 
(22,058)

 

Other property, net

 

 

 
8,613

 

 
11,660

 

 

 

 

 

 

 

 

 

 

Property and equipment, net

 

 

$
2,322,839

 

$
1,784,846

 

 

We recorded depletion expense of $146.6 million, $188.3 million and $213.7 million for the years ended December 31, 2015,  2014 and 2013, respectively.