B. DUPNIK A-H. BROWN PSA

Oil · District 02 · Lease #11547

Operator: MARATHON OIL EF LLC

Cum Oil

319k BBL

Cum Gas

533k MCF

casinghead

Wells

1

Production

2018-08 — 2026-02

Peak Month

2019-01

Production History

Cum Oil: 318,774 BBL Cum Gas: 532,928 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2018-08 — 2026-07 MARATHON OIL EF LLC 96 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC120,0002018-04-13