YOSKO-KINKLER UNIT

Oil · District 02 · Lease #9903

Operator: MARATHON OIL EF LLC

Cum Oil

1.4M BBL

Cum Gas

2.1M MCF

casinghead

Wells

7

Production

2011-09 — 2026-04

Peak Month

2015-12

Production History

Cum Oil: 1,431,855 BBL Cum Gas: 2,119,508 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

75,380 BBL/mo

Di (annual)

223.0%

b-factor

0.8

EUR

1,371,347 BBL

R-squared

0.758

type

hyperbolic

Operator History (from monthly production reports)

2011-11 — 2026-07 MARATHON OIL EF LLC 177 mo
2011-09 — 2011-10 HILCORP ENERGY COMPANY 2 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HMARATHON OIL EF LLC122,0002022-09-12
4HMARATHON OIL EF LLC118,1002015-02-12
504HMARATHON OIL EF LLC118,1002015-02-12
505HMARATHON OIL EF LLC118,1002015-02-12
5HMARATHON OIL EF LLC218,1002015-02-12
6HMARATHON OIL EF LLC118,1002015-02-12
1HMARATHON OIL EF LLC113,5002011-07-22