GUAJILLO-WHITSETT POSEY SA1

Oil · District 02 · Lease #12817

Operator: MARATHON OIL EF LLC

Cum Oil

205k BBL

Cum Gas

438k MCF

casinghead

Wells

1

Production

2024-06 — 2026-04

Peak Month

2024-07

Production History

Cum Oil: 205,423 BBL Cum Gas: 438,454 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31,958 BBL/mo

Di (annual)

531.4%

b-factor

0.9

EUR

330,335 BBL

R-squared

0.998

type

hyperbolic

Operator History (from monthly production reports)

2024-06 — 2026-07 MARATHON OIL EF LLC 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC122,0002024-02-27