< leases

POWELL RANCH -38-

Oil · District 08 · Lease #36191

Operator: WHITING OIL AND GAS CORPORATION

Fields: SIGNAL PEAK (WOLFCAMP)

Cum Oil

12k BBL

Cum Gas

349k MCF

casinghead

Wells

1

Production

2000-02 — 2026-04

Peak Month

2000-02

Production History

Cum Oil: 12,438 BBL Cum Gas: 348,740 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

242 BBL/mo

Di (annual)

44.6%

b-factor

0.5

EUR

11,949 BBL

R-squared

0.843

type

hyperbolic

Operator History (from monthly production reports)

2023-01 — 2026-07 HIGHPEAK ENERGY HOLDINGS, LLC 43 mo
2004-10 — 2022-12 WHITING OIL AND GAS CORPORATION 219 mo
2003-10 — 2004-09 CROWNQUEST OPERATING, LLC 12 mo
2002-12 — 2003-09 L.C.S. PRODUCTION COMPANY 10 mo
2002-11 — 2002-11 DEVON ENERGY PRODUCTION CO, L.P. 1 mo
2000-11 — 2002-10 DEVON SFS OPERATING, INC. 24 mo
2000-02 — 2000-10 SANTA FE SNYDER CORPORATION 9 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-227-35341HIGHPEAK ENERGY HOLDINGS, LLC18,0001999-06-11