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Exploration Activities (Tables)
3 Months Ended
Dec. 31, 2017
Exploration Activities [Abstract]  
Summary of costs incurred in the oil property acquisition, exploration and development activities
   December 31,
2017
  September 30,
2017
 
 Acquisition of Properties:        
 Proved $  $ 
 Unproved $8,525  $142,400 
 Exploration costs $64,474  $ 
 Development costs $  $