ANZALDUA OXFORD-MARTINEZ SA

Oil · District 02 · Lease #12420

Operator: MARATHON OIL EF LLC

Cum Oil

189k BBL

Cum Gas

290k MCF

casinghead

Wells

1

Production

2022-07 — 2026-04

Peak Month

2023-03

Production History

Cum Oil: 188,975 BBL Cum Gas: 289,825 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,282 BBL/mo

Di (annual)

170.7%

b-factor

0.2

EUR

178,359 BBL

R-squared

0.852

type

hyperbolic

Operator History (from monthly production reports)

2022-07 — 2026-07 MARATHON OIL EF LLC 49 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC122,0002022-06-06