WRIGHT-HENKE UNIT

Oil · District 01 · Lease #17021

Operator: MARATHON OIL EF LLC

Cum Oil

764k BBL

Cum Gas

1.2M MCF

casinghead

Wells

5

Production

2013-06 — 2023-10

Peak Month

2013-08

Production History

Cum Oil: 764,282 BBL Cum Gas: 1,171,734 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

23,990 BBL/mo

Di (annual)

62.3%

b-factor

0.4

EUR

754,802 BBL

R-squared

0.619

type

hyperbolic

Operator History (from monthly production reports)

2013-06 — 2026-07 MARATHON OIL EF LLC 158 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMARATHON OIL EF LLC118,0002014-07-28
5HMARATHON OIL EF LLC117,9002014-07-28
3HMARATHON OIL EF LLC217,0002013-03-19
1HMARATHON OIL EF LLC217,0002013-03-15
2HMARATHON OIL EF LLC217,0002013-03-15