RUBACH-BRAVENEC UNIT

Oil · District 3 · Lease #20709

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

43k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2008-03

Peak Month

1993-11

Production History

Cum Oil: 42,514 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,577 BBL/mo

Di (annual)

484.6%

b-factor

0.5

EUR

22,486 BBL

R-squared

0.730

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC RESOURCES COMPANY212,0001993-09-16
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