REGAL UNIT

Oil · District 3 · Lease #23065

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

66k BBL

Cum Gas

0 MCF

Wells

1

Production

1996-08 — 1999-12

Peak Month

1996-09

Production History

Cum Oil: 65,811 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

8,371 BBL/mo

Di (annual)

527.9%

b-factor

0.2

EUR

24,074 BBL

R-squared

0.534

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC RESOURCES COMPANY37,5002016-04-25
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