HORN -9-

Oil · District 10 · Lease #30757

Operator: NORTHSTAR OPERATING COMPANY

Cum Oil

6k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2007-10

Peak Month

1993-04

Production History

Cum Oil: 6,278 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

172 BBL/mo

Di (annual)

84.4%

b-factor

0.5

EUR

4,505 BBL

R-squared

0.762

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MWJ PRODUCING COMPANY110,5501985-05-28
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