COFFMAN-COFFMAN UNIT

Oil · District 3 · Lease #21595

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

18k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 1997-11

Peak Month

1993-03

Production History

Cum Oil: 18,317 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,586 BBL/mo

Di (annual)

266.8%

b-factor

0.6

EUR

16,915 BBL

R-squared

0.817

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC RESOURCES COMPANY214,6001991-12-11
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