BARNHART (EF)-J.M. PRESTON SA8

Oil · District 1 · Lease #21149

Operator: MARATHON OIL EF LLC

Cum Oil

167k BBL

Cum Gas

0 MCF

Wells

1

Production

2023-08 — 2026-03

Peak Month

2023-08

Production History

Cum Oil: 166,746 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

27,213 BBL/mo

Di (annual)

745.1%

b-factor

1.0

EUR

260,941 BBL

R-squared

0.907

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
46HMARATHON OIL EF LLC126,0002023-03-09
Live © 2026 Petrora