MONTEREY

Oil · District 7B · Lease #28121

Operator: WISCONSIN GROUP, THE

Fields: STEPHENS COUNTY REGULAR

Cum Oil

4k BBL

Cum Gas

56k MCF

casinghead

Wells

1

Production

1997-03 — 2004-05

Peak Month

1997-06

Production History

Cum Oil: 3,992 BBL Cum Gas: 55,718 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

510 BBL/mo

Di (annual)

315.5%

b-factor

0.3

EUR

2,746 BBL

R-squared

0.688

type

hyperbolic

Operator History (from monthly production reports)

2004-04 — 2026-07 PRO-SYSTEMS FAB, INC. 268 mo

1998-09 — 2004-03 WISCONSIN GROUP, THE 67 mo

1998-04 — 1998-08 TEXAS UNITED GEOPRODUCTION, INC. 5 mo

1997-03 — 1998-03 ENERGEX INC. 13 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-429-35617	US. FUELS INC.	1	4,500	1996-12-09