PETZOLD "A"

Oil · District 03 · Lease #19909

Operator: WEBER ENERGY CORPORATION

Cum Oil

17k BBL

Cum Gas

73k MCF

casinghead

Wells

1

Production

1993-01 — 2026-02

Peak Month

1996-03

Production History

Cum Oil: 16,806 BBL Cum Gas: 72,951 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

85 BBL/mo

Di (annual)

8.3%

b-factor

0.2

EUR

14,014 BBL

R-squared

0.677

type

hyperbolic

Operator History (from monthly production reports)

2013-10 — 2026-07 TRIVISTA OPERATING LLC 154 mo
1995-07 — 2013-09 TEXAS VANGUARD OIL COMPANY 219 mo
1993-01 — 1995-06 WEBER ENERGY CORPORATION 30 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TRIVISTA OPERATING LLC15,6001987-10-01