GUAJILLO UNIT 14 SOUTH

Oil · District 01 · Lease #20461

Operator: MARATHON OIL EF LLC

Cum Oil

486k BBL

Cum Gas

564k MCF

casinghead

Wells

4

Production

2021-07 — 2026-04

Peak Month

2021-12

Production History

Cum Oil: 486,267 BBL Cum Gas: 564,017 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

38,986 BBL/mo

Di (annual)

627.0%

b-factor

1.3

EUR

748,994 BBL

R-squared

0.639

type

hyperbolic

Operator History (from monthly production reports)

2021-07 — 2026-07 MARATHON OIL EF LLC 61 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HMARATHON OIL EF LLC122,0002021-05-17
1HMARATHON OIL EF LLC122,0002021-05-14
3HMARATHON OIL EF LLC122,0002021-05-14
4HMARATHON OIL EF LLC122,0002021-05-14