BARNHART (EF) A

Oil · District 1 · Lease #16380

Operator: MARATHON OIL EF LLC

Cum Oil

358k BBL

Cum Gas

0 MCF

Wells

2

Production

2012-12 — 2026-03

Peak Month

2013-01

Production History

Cum Oil: 357,955 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

14,258 BBL/mo

Di (annual)

73.1%

b-factor

0.3

EUR

333,301 BBL

R-squared

0.793

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC118,3042012-07-27
2HMARATHON OIL EF LLC118,3042012-07-27
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