DEATLEY HOLLUB MAY SA 1

Oil · District 01 · Lease #20184

Operator: MARATHON OIL EF LLC

Cum Oil

295k BBL

Cum Gas

366k MCF

casinghead

Wells

1

Production

2020-04 — 2026-02

Peak Month

2020-10

Production History

Cum Oil: 295,339 BBL Cum Gas: 366,430 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,831 BBL/mo

Di (annual)

576.3%

b-factor

0.9

EUR

239,323 BBL

R-squared

0.711

type

hyperbolic

Operator History (from monthly production reports)

2020-04 — 2026-07 MARATHON OIL EF LLC 76 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC123,0002020-01-03