CHAPMAN HUMMEL-CARPENTER SA1

Oil · District 02 · Lease #12824

Operator: MARATHON OIL EF LLC

Cum Oil

125k BBL

Cum Gas

162k MCF

casinghead

Wells

1

Production

2024-07 — 2026-04

Peak Month

2024-08

Production History

Cum Oil: 125,130 BBL Cum Gas: 162,019 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,603 BBL/mo

Di (annual)

775.8%

b-factor

1.9

EUR

586,250 BBL

R-squared

0.964

type

hyperbolic

Operator History (from monthly production reports)

2024-07 — 2026-07 MARATHON OIL EF LLC 25 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC122,0002024-04-03