CHAPMAN -A-

Oil · District 4 · Lease #12742

Operator: GEISER, D. ALLEN

Cum Oil

23k BBL

Cum Gas

0 MCF

Wells

1

Production

1998-02 — 2005-08

Peak Month

1998-03

Production History

Cum Oil: 22,530 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

565 BBL/mo

Di (annual)

26.9%

b-factor

0.0

EUR

25,161 BBL

R-squared

0.708

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
441GEISER, D. ALLEN47,5002005-05-20
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