74 RANCH E

Oil · District 01 · Lease #21737

Operator: MARATHON OIL EF LLC

Cum Oil

204k BBL

Cum Gas

131k MCF

casinghead

Wells

1

Production

2025-04 — 2026-04

Peak Month

2025-04

Production History

Cum Oil: 203,822 BBL Cum Gas: 130,851 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,450 BBL/mo

Di (annual)

122.5%

b-factor

0.0

EUR

239,679 BBL

R-squared

0.570

type

exponential

Operator History (from monthly production reports)

2025-04 — 2026-07 MARATHON OIL EF LLC 16 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11MARATHON OIL EF LLC122,0002024-08-23