VARISCO UNIT

Oil · District 3 · Lease #21421

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

11k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2001-08

Peak Month

1993-08

Production History

Cum Oil: 10,710 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

658 BBL/mo

Di (annual)

83.7%

b-factor

0.0

EUR

9,428 BBL

R-squared

0.553

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC RESOURCES COMPANY512,0002001-11-30
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