RETZLOFF-MAY UNIT

Oil · District 1 · Lease #15694

Operator: MARATHON OIL EF LLC

Cum Oil

147k BBL

Cum Gas

0 MCF

Wells

1

Production

2011-10 — 2026-03

Peak Month

2011-11

Production History

Cum Oil: 146,921 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

8,891 BBL/mo

Di (annual)

215.9%

b-factor

0.7

EUR

139,214 BBL

R-squared

0.817

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HHILCORP ENERGY COMPANY113,5002011-08-17
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