CHAPMAN

Oil · District 4 · Lease #11594

Operator: CARTER EXPLORATION COMPANY

Cum Oil

28k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2006-03

Peak Month

2003-04

Production History

Cum Oil: 27,672 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,590 BBL/mo

Di (annual)

238.5%

b-factor

0.0

EUR

8,025 BBL

R-squared

0.651

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8CARTER EXPLORATION COMPANY37,1002005-06-29
7GRAHAM ROYALTY, LTD.46,3502002-04-05
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