GUAJILLO UNIT 10 SOUTH

Oil · District 02 · Lease #11493

Operator: MARATHON OIL EF LLC

Cum Oil

929k BBL

Cum Gas

1.7M MCF

casinghead

Wells

5

Production

2017-07 — 2026-04

Peak Month

2018-06

Production History

Cum Oil: 929,470 BBL Cum Gas: 1,654,174 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

112,763 BBL/mo

Di (annual)

371.9%

b-factor

0.7

EUR

1,065,726 BBL

R-squared

0.902

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC217,0002017-04-13
2HMARATHON OIL EF LLC117,0002017-04-13
3HMARATHON OIL EF LLC117,0002017-04-13
4HMARATHON OIL EF LLC217,0002017-04-13
5HMARATHON OIL EF LLC217,0002017-04-13