BARNHART (EF) C

Oil · District 1 · Lease #16599

Operator: MARATHON OIL EF LLC

Cum Oil

1.2M BBL

Cum Gas

0 MCF

Wells

4

Production

2012-11 — 2026-03

Peak Month

2013-05

Production History

Cum Oil: 1,215,356 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

85,721 BBL/mo

Di (annual)

159.1%

b-factor

0.5

EUR

1,262,143 BBL

R-squared

0.952

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HMARATHON OIL EF LLC217,0002012-11-05
1HMARATHON OIL EF LLC117,0002012-11-01
4HMARATHON OIL EF LLC117,0002012-11-01
2HMARATHON OIL EF LLC117,0002012-10-17
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