WINGNUT UNIT 'B'

Oil · District 02 · Lease #10366

Operator: MARATHON OIL EF LLC

Cum Oil

3.1M BBL

Cum Gas

5.0M MCF

casinghead

Wells

10

Production

2012-12 — 2026-04

Peak Month

2020-01

Production History

Cum Oil: 3,133,047 BBL Cum Gas: 4,972,806 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

172,942 BBL/mo

Di (annual)

343.8%

b-factor

0.8

EUR

2,142,760 BBL

R-squared

0.870

type

hyperbolic

Operator History (from monthly production reports)

2012-12 — 2026-07 MARATHON OIL EF LLC 164 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10HMARATHON OIL EF LLC122,0002019-06-17
9HMARATHON OIL EF LLC122,0002019-06-17
6HMARATHON OIL EF LLC122,0002019-05-07
7HMARATHON OIL EF LLC122,0002019-05-07
8HMARATHON OIL EF LLC122,0002019-05-07
5HMARATHON OIL EF LLC118,0002013-01-11
2HMARATHON OIL EF LLC118,0002013-01-02
3HMARATHON OIL EF LLC118,0002013-01-02
4HMARATHON OIL EF LLC118,0002013-01-02
1HMARATHON OIL EF LLC113,5002012-07-11