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, 2017	Sep. 30, 2016
Details
Changes in Estimated Future Development Costs	$ 49,000	$ 103,000
Sales and Transfers of Oil and Gas Produced, Net of Production Costs	(56,000)	(28,000)
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	35,000	(45,000)
Revisions of quantity estimates	24,000	(5,000)
Accretion Expense	5,000	10,000
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other	14,000	14,000
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	$ 71,000	$ 49,000