DUSON RUSSELL UNIT

Oil · District 03 · Lease #25622

Operator: DEWBRE PETROLEUM CORPORATION

Cum Oil

187k BBL

Cum Gas

14k MCF

casinghead

Wells

1

Production

2010-11 — 2026-04

Peak Month

2011-01

Production History

Cum Oil: 187,446 BBL Cum Gas: 13,554 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,332 BBL/mo

Di (annual)

24.4%

b-factor

0.2

EUR

142,421 BBL

R-squared

0.867

type

hyperbolic

Operator History (from monthly production reports)

2017-11 — 2026-07 AMEXCO, LLC 105 mo
2017-07 — 2017-10 DEWBRE PETROLEUM CORPORATION 4 mo
2010-11 — 2017-06 AMEXCO, LLC 80 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
B 2AMEXCO, LLC66,1502010-11-08