GUAJILLO WEST

Oil · District 01 · Lease #19097

Operator: MARATHON OIL EF LLC

Cum Oil

2.0M BBL

Cum Gas

4.3M MCF

casinghead

Wells

9

Production

2017-07 — 2026-04

Peak Month

2018-04

Production History

Cum Oil: 2,033,950 BBL Cum Gas: 4,291,298 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

132,413 BBL/mo

Di (annual)

196.0%

b-factor

0.7

EUR

2,265,246 BBL

R-squared

0.844

type

hyperbolic

Operator History (from monthly production reports)

2017-07 — 2026-07 MARATHON OIL EF LLC 109 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15HMARATHON OIL EF LLC117,8502017-06-27
17HMARATHON OIL EF LLC117,8502017-06-27
19HMARATHON OIL EF LLC117,8502017-06-27
60HMARATHON OIL EF LLC117,8502017-06-27
56HMARATHON OIL EF LLC120,0002017-04-19
34HMARATHON OIL EF LLC120,0002017-04-07
36HMARATHON OIL EF LLC120,0002017-04-07
38HMARATHON OIL EF LLC120,0002017-04-07
58HMARATHON OIL EF LLC120,0002017-04-07