SALLIE A

Oil · District 10 · Lease #9597

Operator: RICHLAND RESOURCES CORPORATION

Cum Oil

16k BBL

Cum Gas

118k MCF

casinghead

Wells

1

Production

2018-03 — 2026-02

Peak Month

2019-05

Production History

Cum Oil: 16,104 BBL Cum Gas: 118,266 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

377 BBL/mo

Di (annual)

26.3%

b-factor

0.0

EUR

17,154 BBL

R-squared

0.548

type

exponential

Operator History (from monthly production reports)

2018-03 — 2026-07 RICHLAND RESOURCES CORPORATION 101 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
105SANGUINE GAS EXPLORATION, LLC316,4002008-03-13