Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligations (Tables)

v2.4.1.9
Asset Retirement Obligations (Tables)
3 Months Ended
Mar. 31, 2015
Asset Retirement Obligation Disclosure [Abstract]  
Summary of Changes to Asset Retirement Obligation

A summary of the changes to our ARO is as follows (in thousands):  

 

Balance, December 31, 2014

$

390,568

 

Liabilities settled

 

(19,554

)

Accretion of discount

 

5,390

 

Liabilities incurred

 

1,536

 

Revisions of estimated liabilities (1)

 

3,283

 

Balance, March 31, 2015

 

381,223

 

Less current portion

 

16,500

 

Long-term

$

364,723

 

 

 

(1) Revisions were primarily attributable to increases from non-operated properties.