Note 10 - Supplemental Financial Data - Oil and Gas Producing Activities (Unaudited): Summary of Changes Present Value of Estimated Future Net Revenue (Tables)

12 Months Ended

Sep. 30, 2024

Tables/Schedules

Summary of Changes Present Value of Estimated Future Net Revenue

Summary of Changes in Standardized Measure of Discounted Future Net Cash Flows
	Year ended September 30,
	2024	2023
Present value of estimated future net revenue, beginning of year	$66,000	$68,000
Sales, net of production costs	(20,000)	(28,000)
Net change in prices and cost of future production	-	(14,000)
Revisions of quantity estimates	29,000	33,000
Accretion of discount	7,000	7,000
Change in production rates and other	(10,000)	-
Present value of estimated future net revenue, end of year	$72,000	$66,000