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Asset Retirement Obligations
9 Months Ended
Sep. 30, 2011
Notes to Financial Statements [Abstract] 
Asset Retirement Obligations
NOTE E - DECOMMISSIONING AND OTHER ASSET RETIREMENT OBLIGATIONS

The large majority of our asset retirement obligations consists of the future well abandonment and decommissioning costs for offshore oil and gas facilities and platforms owned by our Maritech subsidiary, including the remaining abandonment, decommissioning, and debris removal costs associated with offshore platforms destroyed by hurricanes. The amount of decommissioning liabilities recorded by Maritech is reduced by amounts allocable to joint interest owners, anticipated insurance recoveries, and any contractual amount to be paid by the previous owner of the oil and gas property when the liabilities are satisfied.

The changes in the asset retirement obligations during the three month and nine month periods ended September 30, 2011 and 2010 are as follows:

   
Three Months Ended September 30,
 
   
2011
  
2010
 
   
(In Thousands)
 
        
Beginning balance as of June 30
 $144,525  $216,147 
Activity in the period:
        
   Accretion of liability
  631   1,392 
   Retirement obligations incurred
  -   - 
   Revisions in estimated cash flows
  14,311   19,897 
   Settlement of retirement obligations
  (25,872)  (35,201)
Ending balance as of September 30
 $133,595  $202,235 
 
   
Nine Months Ended September 30,
 
   
2011
  
2010
 
   
(In Thousands)
 
Beginning balance as of December 31 of
      
  the preceding year
 $272,815  $224,110 
Activity in the period:
        
   Accretion of liability
  3,789   4,090 
   Retirement obligations incurred
  -   - 
   Revisions in estimated cash flows
  40,120   42,081 
   Settlement of retirement obligations
  (183,129)  (68,046)
Ending balance as of September 30
 $133,595  $202,235 

 
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Revisions in estimated cash flows for the three months and nine months ended September 30, 2011, are primarily related to the retained Maritech facilities and platforms. Settlements of asset retirement obligations during the three months and nine months ended September 30, 2011, include approximately $3.3 million and $122.0 million, respectively, of obligations associated with oil and gas properties that were sold by Maritech during the periods.