BRAZOS COAL LIMITED

Oil · District 3 · Lease #21431

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

31k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2002-12

Peak Month

1993-01

Production History

Cum Oil: 31,169 BBL Cum Gas: 0 MCF

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC RESOURCES COMPANY515,6002002-07-03
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