Have been hunting down info on that very question and still not sure whether we need to get a work-over rig in or not. Will let you know if i come up with anything.
One thing that i did read was that when Petrobras drill 330 40 odd years ago the oil had a API of 28 that was recovered in swab tests. This one for you Ya but it appears that the structures are made up of lime stone and the oil shows appear where structures have formed dolomites so would this suggest that the porosity and permeability could be very good. And the only major issue we will have is the low reservoir pressures due to shallow field depth?
Cheers
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