BARNHART (EF)-HFS SA7

Oil · District 02 · Lease #13130

Operator: MARATHON OIL EF LLC

Cum Oil

93k BBL

Cum Gas

51k MCF

casinghead

Wells

1

Production

2025-06 — 2026-04

Peak Month

2025-10

Production History

Cum Oil: 92,600 BBL Cum Gas: 50,522 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,484 BBL/mo

Di (annual)

59.8%

b-factor

0.9

EUR

898,946 BBL

R-squared

0.428

type

hyperbolic

Operator History (from monthly production reports)

2025-06 — 2026-07 MARATHON OIL EF LLC 14 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
135HMARATHON OIL EF LLC122,0002024-12-04