KRUEGER-HOELSCHER UNIT

Oil · District 01 · Lease #16529

Operator: MARATHON OIL EF LLC

Cum Oil

251k BBL

Cum Gas

365k MCF

casinghead

Wells

1

Production

2012-11 — 2026-02

Peak Month

2012-12

Production History

Cum Oil: 251,103 BBL Cum Gas: 365,164 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,479 BBL/mo

Di (annual)

108.8%

b-factor

0.8

EUR

252,889 BBL

R-squared

0.761

type

hyperbolic

Operator History (from monthly production reports)

2012-11 — 2026-07 MARATHON OIL EF LLC 165 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC215,5002012-08-01