MARSHALL, A. B. FEE

Oil · District 03 · Lease #23110

Operator: WRD OPERATING LLC

Fields: DYERSDALE, N. (8100)

Cum Oil

39k BBL

Cum Gas

125k MCF

casinghead

Wells

1

Production

1996-10 — 2021-12

Peak Month

2000-03

Production History

Cum Oil: 39,055 BBL Cum Gas: 124,812 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

642 BBL/mo

Di (annual)

106.1%

b-factor

0.8

EUR

22,158 BBL

R-squared

0.520

type

hyperbolic

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

1996-10 — 2003-08 THORNBERRY OILFIELD SERVICE, INC 83 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
13	42-201-30087	WRD OPERATING LLC	3	9,150	1996-07-23

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 (1)

Production History