BRAZOS COAL LIMITED

Oil · District 03 · Lease #21431

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

31k BBL

Cum Gas

431k MCF

casinghead

Wells

1

Production

1993-01 — 2002-06

Peak Month

1993-01

Production History

Cum Oil: 31,169 BBL Cum Gas: 430,954 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,769 BBL/mo

Di (annual)

180.0%

b-factor

0.7

EUR

32,715 BBL

R-squared

0.908

type

hyperbolic

Operator History (from monthly production reports)

1995-03 — 2002-12 OGDEN RESOURCES CORPORATION 94 mo
1993-01 — 1995-02 UNION PACIFIC RESOURCES COMPANY 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OGDEN RESOURCES CORPORATION515,6002002-07-03