DAVIDSON-ANZALDUA-CREEL SA

Oil · District 02 · Lease #12432

Operator: MARATHON OIL EF LLC

Cum Oil

278k BBL

Cum Gas

449k MCF

casinghead

Wells

1

Production

2022-08 — 2026-04

Peak Month

2023-03

Production History

Cum Oil: 277,999 BBL Cum Gas: 448,677 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,641 BBL/mo

Di (annual)

65.4%

b-factor

0.0

EUR

250,513 BBL

R-squared

0.662

type

exponential

Operator History (from monthly production reports)

2022-08 — 2026-07 MARATHON OIL EF LLC 48 mo

Wells (1)

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