HIERHOLZER UNIT

Oil · District 02 · Lease #9801

Operator: MARATHON OIL EF LLC

Cum Oil

8k BBL

Cum Gas

5k MCF

casinghead

Wells

1

Production

2010-05 — 2010-11

Peak Month

2010-11

Production History

Cum Oil: 7,750 BBL Cum Gas: 5,141 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2011-11 — 2012-07 MARATHON OIL EF LLC 9 mo
2010-05 — 2011-10 HILCORP ENERGY COMPANY 18 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC315,7862012-05-17