GRIFFIN A

Oil · District 7B · Lease #25825

Operator: WINDHAM RESOURCES, INC.

Cum Oil

10k BBL

Cum Gas

13k MCF

casinghead

Wells

1

Production

1993-01 — 2002-04

Peak Month

1995-06

Production History

Cum Oil: 10,345 BBL Cum Gas: 13,412 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

180 BBL/mo

Di (annual)

23.4%

b-factor

0.0

EUR

9,161 BBL

R-squared

0.741

type

exponential

Operator History (from monthly production reports)

2004-03 — 2026-07 WINDHAM RESOURCES 269 mo
1994-02 — 2004-02 WINDHAM RESOURCES, INC. 121 mo
1994-01 — 1994-01 ENCON SERVICES, INC. 1 mo
1993-08 — 1993-12 ROBERTSON, FRENCH M. OIL CO. 5 mo
1993-01 — 1993-07 ENCON SERVICES, INC. 7 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WINDHAM RESOURCES24,1001990-01-02