Note 10 - Supplemental Financial Data - Oil and Gas Producing Activities (Unaudited): Standardized Measure of Discounted Cash Flows (Tables)

12 Months Ended

Sep. 30, 2022

Tables/Schedules

Standardized Measure of Discounted Cash Flows

	At September 30
	2022	2021
Estimated future revenue	$ 110,000	$ 51,000
Estimated future expenditures	(13,000)	(6,000)
Estimated future net revenue	97,000	45,000
10% annual discount of estimated future net revenue	(29,000)	(12,000)
Present value of estimated future net revenue	$ 68,000	$ 33,000