H.ANZALDUA-HEDTKE SA

Oil · District 02 · Lease #12476

Operator: MARATHON OIL EF LLC

Cum Oil

262k BBL

Cum Gas

466k MCF

casinghead

Wells

1

Production

2022-10 — 2026-04

Peak Month

2023-03

Production History

Cum Oil: 262,169 BBL Cum Gas: 466,093 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,960 BBL/mo

Di (annual)

54.4%

b-factor

0.0

EUR

264,057 BBL

R-squared

0.494

type

exponential

Operator History (from monthly production reports)

2022-10 — 2026-07 MARATHON OIL EF LLC 46 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC126,0002022-06-28