L. FOSTER -5-

Oil · District 08 · Lease #25454

Operator: RANGE PRODUCTION COMPANY

Fields: CONGER (PENN)

Cum Oil

8k BBL

Cum Gas

217k MCF

casinghead

Wells

2

Production

1993-01 — 2006-06

Peak Month

1998-10

Production History

Cum Oil: 8,014 BBL Cum Gas: 217,138 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

602 BBL/mo

Di (annual)

441.0%

b-factor

1.0

EUR

8,861 BBL

R-squared

0.950

type

hyperbolic

Operator History (from monthly production reports)

1998-09 — 2011-09 RANGE PRODUCTION COMPANY 157 mo
1997-03 — 1998-08 LOMAK PRODUCTION COMPANY 18 mo
1993-01 — 1997-02 AMERICAN COMETRA, INC. 50 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5RANGE PRODUCTION COMPANY18,1501998-07-28
1RANGE PRODUCTION COMPANY18,4001977-12-20