Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligations (Tables)

v3.4.0.3
Asset Retirement Obligations (Tables)
3 Months Ended
Mar. 31, 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

 

(3,180

)

Accretion of discount

 

4,615

 

Revisions of estimated liabilities (1)

 

(19,993

)

Balance, March 31, 2016

 

359,764

 

Less current portion

 

83,778

 

Long-term

$

275,986

 

 

 

(1)

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