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, 2016

Tables/Schedules

Summary of Changes Present Value of Estimated Future Net Revenue

	Year ended September 30
	2016	2015
Present value of estimated future net revenue, beginning of year	$            103,000	$           256,000
Sales, net of production costs	(28,000)	(40,000)
Net change in prices and cost of future production	(45,000)	(123,000)
Revisions of quantity estimates	(5,000)	(41,000)
Accretion of discount	10,000	26,000
Other	14,000	25,000
Present value of estimated future net revenue, end of year	$             49,000	$           103,000