SMITH-SCHEELE-FELIX-BUTLER SA

Oil · District 02 · Lease #12172

Operator: MARATHON OIL EF LLC

Cum Oil

391k BBL

Cum Gas

589k MCF

casinghead

Wells

1

Production

2021-06 — 2026-04

Peak Month

2021-11

Production History

Cum Oil: 390,768 BBL Cum Gas: 589,319 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

46,948 BBL/mo

Di (annual)

409.0%

b-factor

0.8

EUR

497,748 BBL

R-squared

0.943

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 MARATHON OIL EF LLC 62 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC124,0002021-03-02