Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligations (Tables)

v2.4.0.6
Asset Retirement Obligations (Tables)
 3 Months Ended
Mar. 31, 2013
Reconciliation of Asset Retirement Obligations Liability

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

 

Balance, December 31, 2012

    $ 384,053   

Liabilities settled

      (23,464 ) 

Accretion of discount

      5,515   

Liabilities incurred

      131   

Revisions of estimated liabilities due to Hurricane Ike

      3,951   

Revisions of estimated liabilities – all other (1)

      8,039   
  

 

 

  

Balance, March 31, 2013

      378,225   

Less current portion

      69,964   
  

 

 

  

Long-term

    $ 308,261   
  

 

 

  

 

(1) Revisions are primarily due to increases in the scope of work at several offshore locations required by the Bureau of Safety and Environmental Enforcement.