Note 10 - Supplemental Financial Data - Oil and Gas Producing Activities (Unaudited): Schedule of Proved Developed and Undeveloped Oil and Gas Reserve Quantities (Tables)

12 Months Ended

Sep. 30, 2023

Schedule of Proved Developed and Undeveloped Oil and Gas Reserve Quantities

Estimated Quantities of Reserves
		Oil in Barrels
Balance at September 30, 2021		1,000
Revisions of previous estimates		600
Production		(300)
Balance at September 30, 2022		1,300
Revisions of previous estimates		700
Production		(400)
Balance at September 30, 2023		1,600

- Definition

Tabular disclosure of the net quantities of an enterprise's interests in proved developed and undeveloped reserves of (a) crude oil (including condensate and natural gas liquids), (b) natural gas (including coal bed methane), (c) synthetic oil, (d) synthetic gas, and (e) other nonrenewable natural resources that are intended to be upgraded during the period as of the beginning of the period, changes in quantities during the period, and as of the end of the period.

+ References + Details

ALTEX INDUSTRIES INC 10-K