GRIFFIN RANCH

Oil · District 8A · Lease #66662

Operator: RASMUSSEN, HAL J. OPERATING, INC

Fields: HOBO (WOLFCAMP)

Cum Oil

26k BBL

Cum Gas

52k MCF

casinghead

Wells

2

Production

1993-01 — 2014-01

Peak Month

1994-09

Production History

Cum Oil: 25,654 BBL Cum Gas: 51,949 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

450 BBL/mo

Di (annual)

11.6%

b-factor

0.0

EUR

46,505 BBL

R-squared

0.375

type

exponential

Operator History (from monthly production reports)

2022-03 — 2026-07 HIGHPEAK ENERGY HOLDINGS, LLC 53 mo

2020-11 — 2022-02 CROCKETT OPERATING, LLC 16 mo

2020-02 — 2020-10 CROCKETT OPERTING, LLC 9 mo

2013-02 — 2020-01 P.O.&G. OPERATING, LLC 84 mo

2004-07 — 2013-01 PLATINUM EXPLORATION INC. 103 mo

2003-08 — 2004-06 RASMUSSEN, HAL J. OPERATING, INC 11 mo

2001-06 — 2003-07 PLATINUM EXPLORATION INC. 26 mo

1996-12 — 2001-05 RASMUSSEN, HAL J. OPERATING, INC 54 mo

1995-02 — 1996-11 ECLIPSE OIL & GAS, INC. 22 mo

1994-05 — 1995-01 DUNE OIL AND GAS, INC. 9 mo

1993-01 — 1994-04 PENNZOIL PETROLEUM COMPANY 16 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
15	42-033-00932	P.O.&G. OPERATING, LLC	2	7,600	2021-12-07
9	42-033-00926	CROCKETT OPERATING, LLC	3	7,750	2013-11-13

GRIFFIN RANCH

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 (2)

Production History