Annual report pursuant to Section 13 and 15(d)

Asset Retirement Obligations (Tables)

v2.4.1.9
Asset Retirement Obligations (Tables)
12 Months Ended
Dec. 31, 2014
Asset Retirement Obligation Disclosure [Abstract]  
Reconciliation of Asset Retirement Obligations Liability

The following is a reconciliation of our ARO liability (in thousands):

 

2014

 

 

2013

 

Asset retirement obligations, beginning of period

$

354,422

 

 

$

384,053

 

Liabilities settled

 

(74,313

)

 

 

(81,543

)

Accretion of discount

 

20,633

 

 

 

20,918

 

Disposition of properties

 

 

 

 

(19,564

)

Liabilities assumed through acquisition

 

21,820

 

 

 

4,233

 

Liabilities incurred

 

3,258

 

 

 

1,745

 

Revisions of estimated liabilities

 

64,748

 

 

 

44,580

 

Asset retirement obligations, end of period

 

390,568

 

 

 

354,422

 

Less current portion

 

36,003

 

 

 

77,785

 

Long-term

$

354,565

 

 

$

276,637