L. FOSTER -9-

Oil · District 10 · Lease #25398

Operator: STANOLIND PRODUCTION LLC

Fields: CONGER (PENN)

Cum Oil

30k BBL

Cum Gas

0 MCF

Wells

7

Production

1993-01 — 2026-03

Peak Month

1997-05

Production History

Cum Oil: 30,461 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

438 BBL/mo

Di (annual)

248.8%

b-factor

1.0

EUR

10,206 BBL

R-squared

0.473

type

hyperbolic

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9LOMAK PRODUCTION COMPANY18,1501997-08-06
7LOMAK PRODUCTION COMPANY18,1501997-02-19
8LOMAK PRODUCTION COMPANY18,1501997-02-19
5AMERICAN COMETRA, INC.18,1001991-07-16
4DORCHESTER EXPLORATION, INC.17,8001981-10-28
2DORCHESTER EXPLORATION, INC.18,2001980-09-11
1DORCHESTER EXPLORATION, INC.18,0001978-07-12
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