GERDES DEVELOPMENT CO.

Oil · District 03 · Lease #23614

Operator: ERNEST OPERATING COMPANY

Cum Oil

25k BBL

Cum Gas

31k MCF

casinghead

Wells

1

Production

1998-11 — 2026-04

Peak Month

1999-09

Production History

Cum Oil: 24,842 BBL Cum Gas: 31,266 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

128 BBL/mo

Di (annual)

6.1%

b-factor

0.0

EUR

23,977 BBL

R-squared

0.308

type

exponential

Operator History (from monthly production reports)

2017-02 — 2026-07 ERNEST OPERATING COMPANY 114 mo
1998-11 — 2017-01 BAR-MAC INVESTMENTS INC. 219 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4ERNEST OPERATING COMPANY14,0011998-07-03