DEATLEY GRIFFIN MAY SA2

Oil · District 01 · Lease #21200

Operator: MARATHON OIL EF LLC

Cum Oil

382k BBL

Cum Gas

435k MCF

casinghead

Wells

1

Production

2023-10 — 2026-04

Peak Month

2024-03

Production History

Cum Oil: 382,358 BBL Cum Gas: 435,039 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

36,853 BBL/mo

Di (annual)

203.5%

b-factor

0.6

EUR

509,254 BBL

R-squared

0.803

type

hyperbolic

Operator History (from monthly production reports)

2023-10 — 2026-07 MARATHON OIL EF LLC 34 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HMARATHON OIL EF LLC122,0002023-09-05