BARNHART (EF) D

Oil · District 1 · Lease #17171

Operator: MARATHON OIL EF LLC

Cum Oil

1.1M BBL

Cum Gas

0 MCF

Wells

8

Production

2013-10 — 2026-03

Peak Month

2015-03

Production History

Cum Oil: 1,056,334 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

68,210 BBL/mo

Di (annual)

238.0%

b-factor

0.6

EUR

811,270 BBL

R-squared

0.869

type

hyperbolic

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8HMARATHON OIL EF LLC117,4002014-10-14
7HMARATHON OIL EF LLC117,4002014-08-21
5HMARATHON OIL EF LLC217,4002013-10-08
2HMARATHON OIL EF LLC217,4002013-10-04
4HMARATHON OIL EF LLC217,4002013-10-04
1HMARATHON OIL EF LLC217,4002013-09-30
3HMARATHON OIL EF LLC116,7002013-08-14
6HMARATHON OIL EF LLC216,7002013-08-09
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