ACCESS MIDSTREAM PARTNERS LP | 2013 | FY | 3


10.

Asset Retirement Obligations

The following table provides a summary of changes in asset retirement obligations, which are included in other liabilities in the accompanying consolidated balance sheets. Revisions in estimates for the periods presented relate primarily to revisions of current cost estimates, inflation rates and/or discount rates.

 

 

Years Ended December 31,

 

 

2013

 

  

2012

 

 

2011

 

 

(in thousands)

 

Asset retirement obligations, beginning of period

$

5,335

 

 

$

3,409

 

 

$

2,878

 

Additions

 

 

 

 

1,816

 

 

 

131

 

Revisions

 

(1,314

)

 

 

(133

)

 

 

193

 

Accretion expense

 

500

 

 

 

243

 

 

 

207

 

Deletions

 

 

 

 

 

 

 

 

Asset retirement obligations, end of period

$

4,521

 

 

$

5,335

 

 

$

3,409

 

 


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