POWELL -12-

Oil · District 08 · Lease #36199

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

126k BBL

Cum Gas

2.7M MCF

casinghead

Wells

4

Production

2000-02 — 2026-04

Peak Month

2001-05

Production History

Cum Oil: 125,630 BBL Cum Gas: 2,724,105 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,933 BBL/mo

Di (annual)

46.6%

b-factor

0.4

EUR

122,130 BBL

R-squared

0.874

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
4HIGHPEAK ENERGY HOLDINGS, LLC17,9002001-02-20
3HIGHPEAK ENERGY HOLDINGS, LLC17,9002001-01-18
2HIGHPEAK ENERGY HOLDINGS, LLC17,9001999-05-05
1HIGHPEAK ENERGY HOLDINGS, LLC17,9001998-08-04