TRIAL UNIT

Oil · District 02 · Lease #11269

Operator: MARATHON OIL EF LLC

Cum Oil

1.3M BBL

Cum Gas

1.5M MCF

casinghead

Wells

5

Production

2016-09 — 2026-04

Peak Month

2016-10

Production History

Cum Oil: 1,279,060 BBL Cum Gas: 1,469,233 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

92,385 BBL/mo

Di (annual)

237.5%

b-factor

0.6

EUR

1,101,386 BBL

R-squared

0.941

type

hyperbolic

Operator History (from monthly production reports)

2016-09 — 2026-07 MARATHON OIL EF LLC 119 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HMARATHON OIL EF LLC216,2002017-10-09
1HMARATHON OIL EF LLC117,1002016-03-16
501HMARATHON OIL EF LLC117,1002016-02-22
2HMARATHON OIL EF LLC117,1002016-02-19
502HMARATHON OIL EF LLC117,1002016-02-19