Properties And Equipment (Tables)

9 Months Ended

Jun. 30, 2021

Property Plant And Equipment [Abstract]

Summary of Properties and Equipment and Related Accumulated DD&A

Properties and equipment and related accumulated DD&A as of June 30, 2021 and September 30, 2020 are as follows:

	June 30, 2021			September 30, 2020
Properties and equipment at cost, based on successful efforts accounting:
Producing natural gas and oil properties	$	323,187,303		$	324,886,491
Non-producing natural gas and oil properties		32,894,588			18,993,814
Other property and equipment		681,125			582,444
		356,763,016			344,462,749
Less accumulated depreciation, depletion and amortization		(259,018,926	)		(263,590,801	)
Net properties and equipment	$	97,744,090		$	80,871,948

Summary of Acquisitions

Acquisitions

Quarter Ended	Net royalty acres (1)(2)		Purchase Price (1)	Area of Interest
June 30, 2021
		262	$1.3 million	Haynesville / LA
		131	$1.0 million	Haynesville / TX
		2,514	$10.9 million	SCOOP / OK
March 31, 2021
	No significant acquisitions
December 31, 2020
		142	$1.0 million	Haynesville / TX
		184	$0.8 million	Haynesville / TX
		386	$3.5 million	Haynesville / TX
		297	$2.3 million	SCOOP / OK
September 30, 2020
	No significant acquisitions
June 30, 2020
	No significant acquisitions
March 31, 2020
	No significant acquisitions
December 31, 2019
	964		$9.3 million	SCOOP / OK
(1) Excludes subsequent closing adjustments and insignificant acquisitions.
(2) An estimated net royalty equivalent was used for the minerals included in the net royalty acres.

Summary of Divestitures

Divestitures

Quarter Ended	Net mineral acres		Sale Price	Gain/(Loss)	Location
June 30, 2021
		2,857	$0.3 million	$0.2 million	Central Basin Platform, TX
March 31, 2021
	No significant divestitures
December 31, 2020
	No significant divestitures
September 30, 2020
		5,925	$0.8 million	$0.7 million	Northwest OK
June 30, 2020
	No significant divestitures
March 31, 2020
	No significant divestitures
December 31, 2019
	530		$3.4 million	$3.3 million	Eddy County, NM