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Note 7 - Oil and Gas Exploration and Production Industries Disclosures: Summary of Changes Present Value of Estimated Future Net Revenue (Details) - USD ($)
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Details    
Changes in Estimated Future Development Costs $ 103,000 $ 256,000
Sales and Transfers of Oil and Gas Produced, Net of Production Costs (28,000) (40,000)
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs (45,000) (123,000)
Revisions of quantity estimates (5,000) (41,000)
Accretion Expense 10,000 26,000
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other 14,000 25,000
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves $ 49,000 $ 103,000