GRAND DURHAM

Oil · District 13 · Lease #26957

Operator: GRAND OPERATING, INC.

Cum Oil

4k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 1998-07

Peak Month

1993-03

Production History

Cum Oil: 3,558 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

91 BBL/mo

Di (annual)

20.1%

b-factor

0.0

EUR

5,359 BBL

R-squared

0.482

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2GRAND OPERATING, INC.25,8761998-03-20
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