POWELL -13-

Oil · District 08 · Lease #36197

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

32k BBL

Cum Gas

621k MCF

casinghead

Wells

4

Production

2000-02 — 2026-04

Peak Month

2003-05

Production History

Cum Oil: 32,225 BBL Cum Gas: 620,923 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

582 BBL/mo

Di (annual)

33.0%

b-factor

0.2

EUR

26,342 BBL

R-squared

0.715

type

hyperbolic

Operator History (from monthly production reports)

2018-11 — 2026-07 HIGHPEAK ENERGY HOLDINGS, LLC 93 mo
2001-01 — 2018-10 SOUTHWEST ROYALTIES, INC. 214 mo
2000-02 — 2000-12 MILTEX OIL COMPANY 11 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HIGHPEAK ENERGY HOLDINGS, LLC18,1002003-02-20
8HIGHPEAK ENERGY HOLDINGS, LLC18,1002002-10-30
2HIGHPEAK ENERGY HOLDINGS, LLC17,9002000-01-20
1HIGHPEAK ENERGY HOLDINGS, LLC17,9001998-10-30