HOLLUB UNIT

Oil · District 1 · Lease #15722

Operator: MARATHON OIL EF LLC

Cum Oil

105k BBL

Cum Gas

0 MCF

Wells

1

Production

2011-07 — 2026-03

Peak Month

2011-08

Production History

Cum Oil: 104,829 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,973 BBL/mo

Di (annual)

216.0%

b-factor

0.9

EUR

110,397 BBL

R-squared

0.719

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HHILCORP ENERGY COMPANY113,5002011-05-11
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