Note 9 - Supplemental Financial Data - Oil and Gas Producing Activities (Unaudited): Standardized Measure of Discounted Cash Flows (Tables)

12 Months Ended

Sep. 30, 2020

Tables/Schedules

Standardized Measure of Discounted Cash Flows

	At September 30
	2020	2019
Estimated future revenue	$            33,000	$          100,000
Estimated future expenditures	(2,000)	(11,000)
Estimated future net revenue	31,000	89,000
10% annual discount of estimated future net revenue	(8,000)	(31,000)
Present value of estimated future net revenue	$           23,000	$           58,000