GUAJILLO UNIT 10 NORTH

Oil · District 02 · Lease #11321

Operator: MARATHON OIL EF LLC

Cum Oil

737k BBL

Cum Gas

1.2M MCF

casinghead

Wells

4

Production

2016-11 — 2026-04

Peak Month

2016-11

Production History

Cum Oil: 737,216 BBL Cum Gas: 1,162,359 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

76,798 BBL/mo

Di (annual)

456.3%

b-factor

0.8

EUR

737,810 BBL

R-squared

0.938

type

hyperbolic

Operator History (from monthly production reports)

2016-11 — 2026-07 MARATHON OIL EF LLC 117 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC117,5002016-06-24
2HMARATHON OIL EF LLC117,5002016-06-24
3HMARATHON OIL EF LLC117,5002016-06-24
4HMARATHON OIL EF LLC117,5002016-06-24