Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligations (Tables)

v3.5.0.2
Asset Retirement Obligations (Tables)
6 Months Ended
Jun. 30, 2016
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, 2015

$

378,322

 

Liabilities settled

 

(25,156

)

Accretion of discount

 

9,335

 

Revisions of estimated liabilities (1)

 

(18,379

)

Balance, June 30, 2016

 

344,122

 

Less current portion

 

91,296

 

Long-term

$

252,826

 

 

 

(1)

Revisions were primarily related to reduced cost estimates from service providers for plug and abandonment work at certain locations.