VAJDOS-FOEGELLE UNIT

Oil · District 02 · Lease #10030

Operator: MARATHON OIL EF LLC

Cum Oil

1.0M BBL

Cum Gas

1.7M MCF

casinghead

Wells

5

Production

2012-02 — 2026-04

Peak Month

2023-08

Production History

Cum Oil: 1,044,412 BBL Cum Gas: 1,667,258 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

53,466 BBL/mo

Di (annual)

586.6%

b-factor

1.2

EUR

909,032 BBL

R-squared

0.946

type

hyperbolic

Operator History (from monthly production reports)

2012-02 — 2026-07 MARATHON OIL EF LLC 174 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMARATHON OIL EF LLC126,0002023-01-20
5HMARATHON OIL EF LLC126,0002023-01-19
3HMARATHON OIL EF LLC115,5002012-08-06
2HMARATHON OIL EF LLC115,5002012-08-03
1HMARATHON OIL EF LLC115,3002011-12-16