GRIFFIN-KRUEGER SA4

Oil · District 01 · Lease #21866

Operator: MARATHON OIL EF LLC

Cum Oil

129k BBL

Cum Gas

131k MCF

casinghead

Wells

1

Production

2025-08 — 2026-04

Peak Month

2026-01

Production History

Cum Oil: 129,461 BBL Cum Gas: 130,649 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2025-08 — 2026-07 MARATHON OIL EF LLC 12 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMARATHON OIL EF LLC117,5002025-04-24