R. MAY A

Oil · District 01 · Lease #16012

Operator: MARATHON OIL EF LLC

Cum Oil

2.4M BBL

Cum Gas

2.7M MCF

casinghead

Wells

14

Production

2012-06 — 2026-04

Peak Month

2022-07

Production History

Cum Oil: 2,399,505 BBL Cum Gas: 2,740,428 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

71,704 BBL/mo

Di (annual)

400.4%

b-factor

0.9

EUR

945,039 BBL

R-squared

0.833

type

hyperbolic

Operator History (from monthly production reports)

2012-06 — 2026-07 MARATHON OIL EF LLC 170 mo

Wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13HMARATHON OIL EF LLC122,0002024-10-31
14HMARATHON OIL EF LLC123,0002021-05-03
15HMARATHON OIL EF LLC123,0002021-05-03
10HMARATHON OIL EF LLC116,7002014-10-02
11HMARATHON OIL EF LLC116,7002014-10-02
9HMARATHON OIL EF LLC116,7002014-10-02
7HMARATHON OIL EF LLC116,0002013-12-02
6HMARATHON OIL EF LLC116,0002013-11-27
8HMARATHON OIL EF LLC116,0002013-11-27
5HMARATHON OIL EF LLC114,5002012-05-22
4HMARATHON OIL EF LLC116,0002012-05-18
3HMARATHON OIL EF LLC214,0002012-05-04
2HMARATHON OIL EF LLC114,0002012-03-22
1HMARATHON OIL EF LLC115,0002012-03-09