CHIEF UNIT

Oil · District 3 · Lease #23070

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

193k BBL

Cum Gas

0 MCF

Wells

1

Production

1996-09 — 2026-03

Peak Month

1996-10

Production History

Cum Oil: 192,587 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,469 BBL/mo

Di (annual)

79.9%

b-factor

0.5

EUR

127,885 BBL

R-squared

0.406

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1REUNION PACIFIC RESOURCES COMPANY412,5001997-05-05
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