TOM

Oil · District 01 · Lease #15898

Operator: MARATHON OIL EF LLC

Cum Oil

148k BBL

Cum Gas

120k MCF

casinghead

Wells

1

Production

2010-12 — 2026-04

Peak Month

2010-12

Production History

Cum Oil: 147,662 BBL Cum Gas: 119,919 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,747 BBL/mo

Di (annual)

127.9%

b-factor

0.6

EUR

144,668 BBL

R-squared

0.846

type

hyperbolic

Operator History (from monthly production reports)

2010-12 — 2026-07 MARATHON OIL EF LLC 188 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC313,5002012-08-16