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Asset Retirement Obligations (Tables)
6 Months Ended
Dec. 31, 2015
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of reconciliations of the beginning and ending asset retirement obligation balances
The following is a
reconciliation of the beginning and ending asset retirement obligations for the six months ended December 31, 2015, and for the year ended June 30, 2015:
 
December 31,
2015
 
June 30,
2015
Asset retirement obligations — beginning of period
$
772,990

 
$
352,215

Liabilities incurred (a)

 
564,019

Liabilities settled

 
(137,604
)
Liabilities sold

 
(52,526
)
Accretion of discount
22,860

 
34,866

Revision of previous estimates

 
12,020

Asset retirement obligations — end of period
$
795,850

 
$
772,990

Less current portion in accrued liabilities
(102,874
)
 
(57,223
)
Long-term portion of asset retirement obligations
692,976

 
715,767


 
(a) Liabilities incurred during fiscal 2015 relate to our share of the the estimated abandonment costs of the wells and facilities in the Delhi field subsequent to the reversion of our working interest.