COLEMAN

Oil · District 6 · Lease #12579

Operator: WINCHESTER PRODUCTION COMPANY

Cum Oil

4k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2001-02

Peak Month

1998-08

Production History

Cum Oil: 3,531 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

85 BBL/mo

Di (annual)

695.5%

b-factor

0.4

EUR

232 BBL

R-squared

0.612

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WINCHESTER PRODUCTION COMPANY26,7001989-09-27
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