BARBER -15-

Oil · District 08 · Lease #36196

Operator: WHITING OIL AND GAS CORPORATION

Cum Oil

59k BBL

Cum Gas

749k MCF

casinghead

Wells

2

Production

2000-02 — 2026-04

Peak Month

2002-01

Production History

Cum Oil: 58,909 BBL Cum Gas: 749,471 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

403 BBL/mo

Di (annual)

9.6%

b-factor

0.0

EUR

49,967 BBL

R-squared

0.328

type

exponential

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HIGHPEAK ENERGY HOLDINGS, LLC18,3002001-03-23
1HIGHPEAK ENERGY HOLDINGS, LLC18,3001999-09-02