BARNHART GRAND F UNIT-E UNIT SA

Oil · District 01 · Lease #20794

Operator: MARATHON OIL EF LLC

Cum Oil

301k BBL

Cum Gas

548k MCF

casinghead

Wells

1

Production

2022-09 — 2026-04

Peak Month

2022-12

Production History

Cum Oil: 300,820 BBL Cum Gas: 547,997 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

21,739 BBL/mo

Di (annual)

125.7%

b-factor

0.2

EUR

259,495 BBL

R-squared

0.663

type

hyperbolic

Operator History (from monthly production reports)

2022-09 — 2026-07 MARATHON OIL EF LLC 47 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC126,0002022-08-02