according  to  this  article  below,  WZR  is  a better  choice  than  AOI.

 

http://beta.fool.com/traderinvestor70/2012/11/23/how-close-africa-oil-bubble-burst/16938/?source=eogyholnk0000001

 

 
 
Is  any  hope  lost  after  the  sub-commercial  news  about  EOCENE ?
I  believe  they  should  keep  drilling  in   Eocene  as there is still  much  hope  there.