WEBB "A"

Oil · District 8A · Lease #67608

Operator: VISTA RESOURCES, INC. (A)

Cum Oil

27k BBL

Cum Gas

5k MCF

casinghead

Wells

1

Production

1996-08 — 2000-11

Peak Month

1999-05

Production History

Cum Oil: 26,935 BBL Cum Gas: 4,501 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,281 BBL/mo

Di (annual)

975.6%

b-factor

1.0

EUR

25,198 BBL

R-squared

0.918

type

hyperbolic

Operator History (from monthly production reports)

2000-03 — 2001-04 PRIZE OPERATING COMPANY 14 mo
1997-07 — 2000-02 VISTA RESOURCES, INC. (A) 32 mo
1996-08 — 1997-06 E.G. OPERATING 11 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PRIZE OPERATING COMPANY511,5002004-06-01