Note 8 - 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, 2019	Sep. 30, 2018
Details
Present value of estimated future net revenue, beginning of year	$ 120,000	$ 71,000
Sales and Transfers of Oil and Gas Produced, Net of Production Costs	(52,000)	(59,000)
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	(12,000)	75,000
Revisions of quantity estimates	(25,000)	19,000
Accretion Expense	12,000	8,000
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other	15,000	6,000
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	$ 58,000	$ 120,000