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Exploration Activities (Tables)
6 Months Ended
Mar. 31, 2013
Exploration Activities [Abstract]  
Summary of cost incurred in oil and gas property acquisition, exploration and development activities
 
March 31,
2013
   
September 30,
2012
 
             
Acquisition of Properties:
           
Proved
  $     $  
Unproved
    2,712,367       57,005  
Exploration costs
    8,053       119,353  
Development costs