DEATLEY-GRIFFIN UNIT

Oil · District 1 · Lease #15660

Operator: MARATHON OIL EF LLC

Cum Oil

172k BBL

Cum Gas

0 MCF

Wells

1

Production

2011-10 — 2026-03

Peak Month

2011-11

Production History

Cum Oil: 171,924 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

5,892 BBL/mo

Di (annual)

137.6%

b-factor

0.8

EUR

163,068 BBL

R-squared

0.458

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HHILCORP ENERGY COMPANY113,5002011-08-29
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