74 RANCH-GUAJILLO UNIT A

Oil · District 02 · Lease #11723

Operator: MARATHON OIL EF LLC

Cum Oil

1.2M BBL

Cum Gas

1.4M MCF

casinghead

Wells

4

Production

2019-03 — 2026-04

Peak Month

2019-06

Production History

Cum Oil: 1,166,885 BBL Cum Gas: 1,388,218 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

106,350 BBL/mo

Di (annual)

287.1%

b-factor

0.7

EUR

1,279,086 BBL

R-squared

0.818

type

hyperbolic

Operator History (from monthly production reports)

2019-03 — 2026-07 MARATHON OIL EF LLC 89 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC122,0002018-12-31
2HMARATHON OIL EF LLC122,0002018-12-31
3HMARATHON OIL EF LLC222,0002018-12-31
4HMARATHON OIL EF LLC122,0002018-12-31