GORDON HEIRS

Oil · District 02 · Lease #9119

Operator: DEWBRE PETROLEUM CORPORATION

Cum Oil

177k BBL

Cum Gas

46k MCF

casinghead

Wells

1

Production

2007-01 — 2026-04

Peak Month

2008-06

Production History

Cum Oil: 176,643 BBL Cum Gas: 46,180 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,419 BBL/mo

Di (annual)

10.6%

b-factor

0.0

EUR

160,137 BBL

R-squared

0.527

type

exponential

Operator History (from monthly production reports)

2007-01 — 2026-07 DEWBRE PETROLEUM CORPORATION 235 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DEWBRE PETROLEUM CORPORATION18,2002006-09-06