MARK BROWN ALLOCATION C

Oil · District 01 · Lease #21190

Operator: VERDUN OIL EF II LLC

Cum Oil

193k BBL

Cum Gas

359k MCF

casinghead

Wells

1

Production

2022-11 — 2026-04

Peak Month

2023-05

Production History

Cum Oil: 192,508 BBL Cum Gas: 359,335 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

23,247 BBL/mo

Di (annual)

739.9%

b-factor

1.3

EUR

398,337 BBL

R-squared

0.862

type

hyperbolic

Operator History (from monthly production reports)

2025-03 — 2026-07 VERDUN OIL EF II LLC 17 mo
2022-11 — 2025-02 EP ENERGY E&P COMPANY, LLC 28 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HVERDUN OIL EF II LLC210,0002022-04-28