EMPIRE "A"

Oil · District 11 · Lease #65899

Operator: PATTERSON PETROLEUM LP

Cum Oil

896 BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2000-03

Peak Month

1993-05

Production History

Cum Oil: 896 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

130 BBL/mo

Di (annual)

271.5%

b-factor

0.1

EUR

635 BBL

R-squared

0.911

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PATTERSON PETROLEUM, INC.28,2501978-07-28
2EMPIRE DRILLING COMPANY18,2501978-07-03
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