GUAJILLO UNIT 7 SOUTH

Oil · District 01 · Lease #19095

Operator: MARATHON OIL EF LLC

Cum Oil

1.3M BBL

Cum Gas

2.1M MCF

casinghead

Wells

5

Production

2017-06 — 2026-04

Peak Month

2017-07

Production History

Cum Oil: 1,291,847 BBL Cum Gas: 2,099,238 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

187,419 BBL/mo

Di (annual)

686.3%

b-factor

0.9

EUR

1,553,263 BBL

R-squared

0.967

type

hyperbolic

Operator History (from monthly production reports)

2017-06 — 2026-07 MARATHON OIL EF LLC 110 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC218,2002016-04-15
2HMARATHON OIL EF LLC218,2002016-04-15
3HMARATHON OIL EF LLC218,2002016-04-15
4HMARATHON OIL EF LLC218,2002016-04-15
5HMARATHON OIL EF LLC118,2002016-04-15