BARBER -1-

Oil · District 08 · Lease #36190

Operator: WHITING OIL AND GAS CORPORATION

Cum Oil

152k BBL

Cum Gas

2.9M MCF

casinghead

Wells

8

Production

2000-02 — 2026-04

Peak Month

2001-08

Production History

Cum Oil: 151,614 BBL Cum Gas: 2,916,094 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,736 BBL/mo

Di (annual)

22.4%

b-factor

0.0

EUR

146,374 BBL

R-squared

0.843

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 (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8HIGHPEAK ENERGY HOLDINGS, LLC17,8502005-12-06
7HIGHPEAK ENERGY HOLDINGS, LLC18,3002001-01-16
6HIGHPEAK ENERGY HOLDINGS, LLC18,3002000-11-27
5HIGHPEAK ENERGY HOLDINGS, LLC18,0002000-03-10
3HIGHPEAK ENERGY HOLDINGS, LLC18,3001999-09-01
4HIGHPEAK ENERGY HOLDINGS, LLC18,3001999-09-01
2HIGHPEAK ENERGY HOLDINGS, LLC28,0001999-06-11
1HIGHPEAK ENERGY HOLDINGS, LLC18,0001999-05-18