74 RANCH-GUAJILLO UNIT B

Oil · District 01 · Lease #19590

Operator: MARATHON OIL EF LLC

Cum Oil

1.2M BBL

Cum Gas

1.9M MCF

casinghead

Wells

5

Production

2019-01 — 2026-04

Peak Month

2019-10

Production History

Cum Oil: 1,242,348 BBL Cum Gas: 1,862,439 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

183,044 BBL/mo

Di (annual)

893.9%

b-factor

1.0

EUR

1,510,892 BBL

R-squared

0.946

type

hyperbolic

Operator History (from monthly production reports)

2019-01 — 2026-07 MARATHON OIL EF LLC 91 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC121,0002018-12-31
2HMARATHON OIL EF LLC121,0002018-12-31
3HMARATHON OIL EF LLC121,0002018-12-31
4HMARATHON OIL EF LLC121,0002018-12-31
5HMARATHON OIL EF LLC121,0002018-12-31