74 RANCH SPECIAL UNIT WEST

Oil · District 01 · Lease #17708

Operator: MARATHON OIL EF LLC

Cum Oil

863k BBL

Cum Gas

1.1M MCF

casinghead

Wells

4

Production

2014-05 — 2026-04

Peak Month

2014-06

Production History

Cum Oil: 863,448 BBL Cum Gas: 1,082,489 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

41,589 BBL/mo

Di (annual)

285.6%

b-factor

1.1

EUR

1,022,292 BBL

R-squared

0.876

type

hyperbolic

Operator History (from monthly production reports)

2014-05 — 2026-07 MARATHON OIL EF LLC 147 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMARATHON OIL EF LLC118,5002013-06-26
2HMARATHON OIL EF LLC118,5002013-05-17
3HMARATHON OIL EF LLC118,5002013-05-17
1HMARATHON OIL EF LLC118,5002013-05-16