WIEDERHOLD-SPACEK UNIT

Oil · District 03 · Lease #18762

Operator: ERNEST OPERATING COMPANY

Cum Oil

26k BBL

Cum Gas

21 MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1995-03

Production History

Cum Oil: 25,621 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

85 BBL/mo

Di (annual)

2.3%

b-factor

0.0

EUR

30,446 BBL

R-squared

0.396

type

exponential

Operator History (from monthly production reports)

2017-02 — 2026-07 ERNEST OPERATING COMPANY 114 mo
1993-01 — 2017-01 BAR-MAC INVESTMENTS INC. 289 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ERNEST OPERATING COMPANY26,0001985-05-08