Note 7 - Oil and Gas Exploration and Production Industries Disclosures: Summary of Changes Present Value of Estimated Future Net Revenue (Tables)

12 Months Ended

Sep. 30, 2017

Tables/Schedules

Summary of Changes Present Value of Estimated Future Net Revenue

	Year ended September 30
	2017	2016
Present value of estimated future net revenue, beginning of year	$       49,000	$   103,000
Sales, net of production costs	(56,000)	(28,000)
Net change in prices and cost of future production	35,000	(45,000)
Revisions of quantity estimates	24,000	(5,000)
Accretion of discount	5,000	10,000
Change in production rates and other	14,000	14,000
Present value of estimated future net revenue, end of year	$       71,000	$    49,000