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Exploration Activities (Tables)
 9 Months Ended
Jun. 30, 2017
Exploration Activities [Abstract]  
Summary of costs incurred in the oil property acquisition, exploration and development activities
   June 30, 
2017		  September 30,
2016		 
        
 Acquisition of Properties:      
 Proved $   $  
 Unproved $109,584  $194,037 
 Exploration costs $10,960  $39,658 
 Development costs $   $