CHALLENGER UNIT C

Oil · District 2 · Lease #10446

Operator: MARATHON OIL EF LLC

Cum Oil

3.8M BBL

Cum Gas

0 MCF

Wells

10

Production

2013-02 — 2026-03

Peak Month

2017-11

Production History

Cum Oil: 3,802,914 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

130,963 BBL/mo

Di (annual)

146.4%

b-factor

0.8

EUR

3,436,057 BBL

R-squared

0.947

type

hyperbolic

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HMARATHON OIL EF LLC117,5002016-12-14
3HMARATHON OIL EF LLC117,5002016-12-14
4HMARATHON OIL EF LLC117,5002016-12-14
5HMARATHON OIL EF LLC217,5002016-12-14
6HMARATHON OIL EF LLC117,5002016-12-14
10HMARATHON OIL EF LLC118,5002014-11-18
11HMARATHON OIL EF LLC118,5002014-11-18
12HMARATHON OIL EF LLC118,5002014-11-18
9HMARATHON OIL EF LLC118,5002014-11-18
1HMARATHON OIL EF LLC116,0002012-11-08
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