FOUSHEE-HENKE UNIT

Oil · District 01 · Lease #16134

Operator: MARATHON OIL EF LLC

Cum Oil

100k BBL

Cum Gas

129k MCF

casinghead

Wells

1

Production

2012-08 — 2026-04

Peak Month

2012-08

Production History

Cum Oil: 100,045 BBL Cum Gas: 128,716 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,682 BBL/mo

Di (annual)

148.1%

b-factor

0.5

EUR

121,299 BBL

R-squared

0.727

type

hyperbolic

Operator History (from monthly production reports)

2012-08 — 2026-07 MARATHON OIL EF LLC 168 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC114,5002012-05-19