MARSHALL, A. B., FEE

Oil · District 03 · Lease #9870

Operator: WRD OPERATING LLC

Fields: DYERSDALE, N. (Y-5)

Cum Oil

168k BBL

Cum Gas

344k MCF

casinghead

Wells

5

Production

1993-01 — 2022-01

Peak Month

1999-07

Production History

Cum Oil: 167,960 BBL Cum Gas: 343,551 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,219 BBL/mo

Di (annual)

11.9%

b-factor

0.0

EUR

122,695 BBL

R-squared

0.574

type

exponential

Operator History (from monthly production reports)

2022-10 — 2026-07 WRD OPERATING LLC 46 mo

2022-01 — 2022-09 DAF OPERATING, LLC 9 mo

2020-10 — 2021-12 CRISCO OPERATING LLC 15 mo

2015-02 — 2020-09 WESTERN ENERGY GROUP, LLC 68 mo

2014-03 — 2015-01 PRIMROSE RESOURCES, LLC 11 mo

2011-01 — 2014-02 WESTERN ENERGY GROUP, LLC 38 mo

2008-05 — 2010-12 DYERSDALE ENERGY, L.P. 32 mo

2006-09 — 2008-04 KESTREL RESOURCES, INC. 20 mo

2005-08 — 2006-08 IPACT 13 mo

2005-01 — 2005-07 GALLOWAY UNION PRODUCTION, INC 7 mo

2003-09 — 2004-12 CONTRACT OIL & GAS SERVICE CO. 16 mo

1995-06 — 2003-08 THORNBERRY OILFIELD SERVICE, INC 99 mo

1993-01 — 1995-05 MARSHALL, A. B. 29 mo

Wells (5)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
19	42-201-30874	DAF OPERATING, LLC	4	9,250	1996-12-02
16C	42-201-30349	DAF OPERATING, LLC	7	9,000	1996-08-26
30	42-201-32203	WRD OPERATING LLC	4	12,500	1995-08-25
31	42-201-32283	DAF OPERATING, LLC	6	8,390	1995-06-13
11	42-201-08023	WRD OPERATING LLC	--	--	--

MARSHALL, A. B., FEE

Production HistoryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Decline Curve Analysis

Operator History (from monthly production reports)

Wells (5)

Production History