Supplementary Information On Natural Gas, Oil And NGL Reserves (Tables)

12 Months Ended

Sep. 30, 2020

Extractive Industries [Abstract]

Summary Of Capitalized Costs Of Natural Gas and Oil Properties And Related Depreciation, Depletion And Amortization

	2020			2019
Producing properties	$	324,886,491		$	354,718,398
Non-producing minerals		18,808,689			14,413,899
Non-producing leasehold		185,125			185,124
		343,880,305			369,317,421
Accumulated depreciation, depletion and amortization		(263,277,422	)		(258,063,849	)
Net capitalized costs	$	80,602,883		$	111,253,572

Summary Of Costs Incurred In Natural Gas and Oil Producing Activities

	2020		2019		2018
Property acquisition costs	$	10,453,119	$	6,235,905	$	11,409,673
Exploration costs		-		-		-
Development costs		273,825		3,012,095		10,291,476
	$	10,726,944	$	9,248,000	$	21,701,149

Summary Of Net Quantities Of Proved, Developed And Undeveloped Natural Gas, Oil And NGL Reserves

	Proved Reserves
	Natural Gas			Oil			NGL			Total
	(Mcf)			(Barrels)			(Barrels)			Bcfe
September 30, 2017		121,195,120			5,509,667			2,384,699			168.6
Revisions of previous estimates		(29,247	)		(1,407,995	)		303,728			(6.7	)
Acquisitions (divestitures)		(1,782,949	)		236,690			24,765			(0.2	)
Extensions, discoveries and other additions		9,400,374			1,982,624			476,174			24.2
Production		(8,721,262	)		(336,564	)		(255,176	)		(12.3	)
September 30, 2018		120,062,036			5,984,422			2,934,190			173.6
Revisions of previous estimates		(35,644,135	)		(3,266,351	)		(890,046	)		(60.6	)
Acquisitions (divestitures)		(948,496	)		(322,023	)		(18,881	)		(3.0	)
Extensions, discoveries and other additions		3,891,262			313,241			164,276			6.8
Production		(7,086,761	)		(329,199	)		(216,259	)		(10.4	)
September 30, 2019		80,273,906			2,380,090			1,973,280			106.4
Revisions of previous estimates		(34,666,426	)		(1,094,923	)		(774,214	)		(45.9	)
Acquisitions (divestitures)		911,853			57,721			70,933			1.7
Extensions, discoveries and other additions		1,816,144			260,555			118,480			4.1
Production		(5,962,704	)		(269,786	)		(168,622	)		(8.6	)
September 30, 2020		42,372,773			1,333,657			1,219,857			57.7

Summary Of Proved Developed And Undeveloped Reserves

	Proved Developed Reserves						Proved Undeveloped Reserves
	Natural Gas		Oil		NGL		Natural Gas		Oil		NGL
	(Mcf)		(Barrels)		(Barrels)		(Mcf)		(Barrels)		(Barrels)
September 30, 2018		83,151,954		2,334,587		2,085,706		36,910,082		3,649,835		848,484
September 30, 2019		67,713,193		1,863,096		1,747,242		12,560,713		516,994		226,038
September 30, 2020		40,924,083		1,148,989		1,135,864		1,448,690		184,668		83,993

Summary Of Proved Undeveloped Reserves

Beginning proved undeveloped reserves	17,018,905
Proved undeveloped reserves transferred to proved developed	(399,894	)
Revisions	(16,767,540	)
Extensions and discoveries	2,405,590
Sales	(479,415	)
Purchases	1,283,010
Ending proved undeveloped reserves	3,060,656

Summary Of Standardized Measure Of Discounted Future Net Cash Flows

	2020			2019			2018
Future cash inflows	$	134,179,216		$	366,697,321		$	759,899,074
Future production costs		(66,136,222	)		(153,935,373	)		(259,413,766	)
Future development and asset retirement costs		(1,957,225	)		(1,917,937	)		(89,518,449	)
Future income tax expense		(13,224,535	)		(47,788,416	)		(95,872,182	)
Future net cash flows		52,861,234			163,055,595			315,094,677
10% annual discount		(21,727,081	)		(77,494,066	)		(158,768,823	)
Standardized measure of discounted future net    cash flows	$	31,134,153		$	85,561,529		$	156,325,854

Summary Of Changes In Standardized Measure Of Discounted Future Net Cash Flows

	2020			2019			2018
Beginning of year	$	85,561,529		$	156,325,854		$	80,832,575
Changes resulting from:
Sales of natural gas, oil and NGL, net of    production costs		(12,692,681	)		(25,072,122	)		(32,836,007	)
Net change in sales prices and production costs		(46,499,344	)		(76,588,460	)		47,533,281
Net change in future development and asset    retirement costs		(20,571	)		43,607,535			1,580,942
Extensions and discoveries		2,841,807			7,074,245			34,667,557
Revisions of quantity estimates		(28,332,653	)		(60,308,497	)		(8,391,223	)
Acquisitions (divestitures) of reserves-in-place		1,169,819			(3,134,783	)		(307,472	)
Accretion of discount		11,039,792			20,457,930			12,602,209
Net change in income taxes		17,037,980			23,413,194			(3,057,128	)
Change in timing and other, net		1,028,475			(213,367	)		23,701,120
Net change		(54,427,376	)		(70,764,325	)		75,493,279
End of year	$	31,134,153		$	85,561,529		$	156,325,854