BUTLER-HUTH-SCHEELE SA

Oil · District 02 · Lease #12123

Operator: MARATHON OIL EF LLC

Cum Oil

271k BBL

Cum Gas

523k MCF

casinghead

Wells

1

Production

2021-01 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 271,341 BBL Cum Gas: 523,091 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,790 BBL/mo

Di (annual)

427.6%

b-factor

1.2

EUR

444,727 BBL

R-squared

0.826

type

hyperbolic

Operator History (from monthly production reports)

2021-01 — 2026-07 MARATHON OIL EF LLC 67 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC122,0002020-12-15