Information On Oil And Natural Gas Producing Activities (Tables)

12 Months Ended

Sep. 30, 2018

Oil And Gas Exploration And Production Industries Disclosures [Abstract]

Summary Of Sales By Percentage Through Various Operators Or Purchasers

The following table shows sales, by percentage, through various operators/purchasers during 2018, 2017 and 2016.

	2018			2017			2016
Company A		24	%		18	%		23	%
Company B		16	%		3	%		3	%
Company C		11	%		8	%		2	%
Company D		7	%		13	%		12	%