GRAND DURHAM

Oil · District 09 · Lease #26957

Operator: GRAND OPERATING, INC.

Cum Oil

4k BBL

Cum Gas

22k MCF

casinghead

Wells

1

Production

1993-01 — 1998-01

Peak Month

1993-03

Production History

Cum Oil: 3,558 BBL Cum Gas: 22,410 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

1993-11 — 1998-07 GRAND OPERATING, INC. 57 mo
1993-01 — 1993-10 GRAND ENERGY, INC. 10 mo

Wells (1)

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