BARNHART (EF)-HFS SA6

Oil · District 02 · Lease #13118

Operator: MARATHON OIL EF LLC

Cum Oil

78k BBL

Cum Gas

46k MCF

casinghead

Wells

1

Production

2025-05 — 2026-04

Peak Month

2025-10

Production History

Cum Oil: 78,152 BBL Cum Gas: 45,557 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,185 BBL/mo

Di (annual)

61.3%

b-factor

0.5

EUR

448,208 BBL

R-squared

0.433

type

hyperbolic

Operator History (from monthly production reports)

2025-05 — 2026-07 MARATHON OIL EF LLC 15 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
134HMARATHON OIL EF LLC122,0002024-12-04