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Afren (Presentation) - Proactive Investors

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Okoro Setu: background<br />

3D view of Okoro reservoir sands<br />

N<br />

1000 m.<br />

Okoro-1 Okoro-3,3ST Okoro-2<br />

3ST<br />

Oil water<br />

contacts<br />

◦ Two hydrocarbon bearing zones<br />

◦ 22°API low GOR crude<br />

◦ Development drilling from Q4<br />

2007<br />

◦ In-place volumes (2P): 115<br />

mmbbls (NSAI)<br />

◦ Recovery Factor of analogous<br />

fields: 45% – 50%<br />

Okoro Setu reserves<br />

mmboe 1P 2P 3P<br />

Approved FDP case 30 42 58<br />

Exploration / appraisal history<br />

Date Well name Well type Operator Result<br />

Jul-73 Okoro -1 Exploration Japan Petroleum Oil<br />

Nov-74 Okoro -2 Appraisal Japan Petroleum Water wet<br />

May-02 Setu -1 Exploration Amni International Oil & gas<br />

Aug-02 Setu -2 Appraisal Amni International Water wet<br />

Sep-06 Okoro -3 Appraisal <strong>Afren</strong> (as tech. serv. provider) Oil<br />

Dec-06 Okoro -3 ST Appraisal <strong>Afren</strong> (as tech. serv. provider) Oil<br />

www.<strong>Afren</strong>.com - October 2007<br />

15

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