BARNETT -A-

Oil · District 08 · Lease #4461

Operator: WHETSTONE RESOURCES, LLC

Fields: MOORE

Cum Oil

9k BBL

Cum Gas

200 MCF

casinghead

Wells

1

Production

1993-01 — 2020-12

Peak Month

1999-09

Production History

Cum Oil: 9,437 BBL Cum Gas: 200 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

65 BBL/mo

Di (annual)

8.4%

b-factor

0.0

EUR

9,144 BBL

R-squared

0.441

type

exponential

Operator History (from monthly production reports)

2024-01 — 2026-07 JOHNSON OPERATING COMPANY, LLC. 31 mo

2022-03 — 2023-12 HIGH DESERT RESOURCES, L.L.C. 22 mo

2021-01 — 2022-02 WHETSTONE RESOURCES, LLC 14 mo

2006-02 — 2020-12 MILLENNIUM RESOURCES, LP 179 mo

2002-04 — 2006-01 MILLENNIUM RESOURCES, LLC. 46 mo

2000-05 — 2002-03 AROC (TEXAS) INC. 23 mo

1997-01 — 2000-04 LYNX ENERGY COMPANY, INC. 40 mo

1995-05 — 1996-12 HARTOIL CORPORATION 20 mo

1995-01 — 1995-04 BIG SPRINGS ENERGY GROUP, INC. 4 mo

1993-01 — 1994-12 TANOS PRODUCTION, INC. 24 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
8	42-227-34231	JOHNSON OPERATING COMPANY LLC.	1	3,600	1987-11-18

BARNETT -A-

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