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Asset Retirement Obligations (Tables)
3 Months Ended
Sep. 30, 2013
Asset Retirement Obligations  
Schedule of reconciliations of the beginning and ending asset retirement obligation balances

 

 

 

September 30,
2013

 

June 30,
2013

 

 

 

 

 

 

 

Asset retirement obligations — beginning of period

 

$

615,551

 

$

968,677

 

Liabilities sold

 

 

(439,927

)

Liabilities incurred

 

 

60,143

 

Liabilities settled

 

 

(51,086

)

Accretion of discount

 

12,928

 

72,312

 

Revision of previous estimates

 

45,172

 

5,432

 

Asset retirement obligations due within one year included in “Other current liabilities”

 

(472,235

)

 

Asset retirement obligations — end of period

 

$

201,416

 

$

615,551