GAENZEL

Oil · District 01 · Lease #16725

Operator: MARATHON OIL EF LLC

Cum Oil

1.2M BBL

Cum Gas

847k MCF

casinghead

Wells

6

Production

2013-01 — 2026-04

Peak Month

2015-01

Production History

Cum Oil: 1,206,440 BBL Cum Gas: 846,798 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

40,221 BBL/mo

Di (annual)

87.0%

b-factor

0.6

EUR

1,232,968 BBL

R-squared

0.945

type

hyperbolic

Operator History (from monthly production reports)

2013-01 — 2026-07 MARATHON OIL EF LLC 163 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HMARATHON OIL EF LLC317,0002014-07-30
4HMARATHON OIL EF LLC317,0002014-07-30
5HMARATHON OIL EF LLC117,5002014-03-08
6HMARATHON OIL EF LLC117,5002014-03-08
1HMARATHON OIL EF LLC115,5002012-11-13
2HMARATHON OIL EF LLC115,5002012-11-13