BARNHART (EF) 2H UNIT SA

Oil · District 01 · Lease #20580

Operator: MARATHON OIL EF LLC

Cum Oil

249k BBL

Cum Gas

370k MCF

casinghead

Wells

1

Production

2022-03 — 2026-04

Peak Month

2022-10

Production History

Cum Oil: 248,678 BBL Cum Gas: 369,980 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,526 BBL/mo

Di (annual)

66.9%

b-factor

0.0

EUR

206,724 BBL

R-squared

0.421

type

exponential

Operator History (from monthly production reports)

2022-03 — 2026-07 MARATHON OIL EF LLC 53 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
56HMARATHON OIL EF LLC126,0002022-01-27