74 RANCH SPECIAL UNIT EAST

Oil · District 01 · Lease #17193

Operator: MARATHON OIL EF LLC

Cum Oil

1.5M BBL

Cum Gas

1.9M MCF

casinghead

Wells

5

Production

2013-10 — 2026-04

Peak Month

2014-10

Production History

Cum Oil: 1,480,860 BBL Cum Gas: 1,922,978 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

55,188 BBL/mo

Di (annual)

114.3%

b-factor

0.6

EUR

1,314,144 BBL

R-squared

0.944

type

hyperbolic

Operator History (from monthly production reports)

2013-10 — 2026-07 MARATHON OIL EF LLC 154 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HMARATHON OIL EF LLC118,5002013-05-15
1HMARATHON OIL EF LLC118,5002013-05-14
3HMARATHON OIL EF LLC118,5002013-05-14
4HMARATHON OIL EF LLC118,5002013-05-14
5HMARATHON OIL EF LLC118,5002013-05-14