RETZLOFF-TOM UNIT

Oil · District 02 · Lease #9811

Operator: MARATHON OIL EF LLC

Cum Oil

96k BBL

Cum Gas

120k MCF

casinghead

Wells

1

Production

2011-10 — 2017-08

Peak Month

2011-11

Production History

Cum Oil: 95,537 BBL Cum Gas: 119,790 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,134 BBL/mo

Di (annual)

497.1%

b-factor

1.1

EUR

147,165 BBL

R-squared

0.917

type

hyperbolic

Operator History (from monthly production reports)

2011-11 — 2019-09 MARATHON OIL EF LLC 95 mo
2011-10 — 2011-10 HILCORP ENERGY COMPANY 1 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC216,0002019-08-21