BARNHART (EF) H

Oil · District 1 · Lease #16813

Operator: MARATHON OIL EF LLC

Cum Oil

538k BBL

Cum Gas

0 MCF

Wells

2

Production

2013-04 — 2026-03

Peak Month

2025-03

Production History

Cum Oil: 538,484 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

26,819 BBL/mo

Di (annual)

253.6%

b-factor

0.7

EUR

361,924 BBL

R-squared

0.993

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HMARATHON OIL EF LLC122,0002024-04-25
1HMARATHON OIL EF LLC118,5002013-02-13
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