THREE SISTERS UNIT

Oil · District 3 · Lease #22909

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

68k BBL

Cum Gas

0 MCF

Wells

1

Production

1995-12 — 2004-08

Peak Month

1996-01

Production History

Cum Oil: 67,982 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,899 BBL/mo

Di (annual)

156.5%

b-factor

0.3

EUR

53,588 BBL

R-squared

0.817

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC RESOURCES COMPANY28,5251995-10-30
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