The worst the 3D could say is that the original drill entered...

The worst the 3D could say is that the original drill entered the structure in the optimal position and there appears that there is only a small subeconomic oil pool there and there appears to be no other prospective structures in the rest of the area of the 3D survey .

Possible but unlikely because that is not what the 2D seismic said though it only gave a very shady picture of what Nature had left there and also the oil and geological data they got from Xanadu 1.

On the upside the 3D could indicate we have a structure bigger than Cliff Head but much cheaper to develop because it can be drilled from the shore .
It may also indicate other separate structures that if Xanadu came in could have a high COS of being commercial discoveries as well .

Very big upside here .
Remind me again how many BOPD did the horizontal wells at Cliff Head produce when they first came in ?

3D after sophisticated analysis can give some direct indicators of hydrocarbons but only drilling can give a definite answer to what is there .
It is a shame that it has taken so long but things are moving now .
We just have to hope that Nature has been kind .