Excellent questions Mat! and good answers as per usual. Exciting times ahead as each of the finds get proven up (I'm especially bullish on Rosevelt!).
As an aside speaking of apocalpse now, salt domes and oil wells reminded me of this event...
http://www.youtube.com/watch?v=_feWtkSucvE
just draw dropping as to what can happen when things go oh so wrong!!
Cheers all
Maddoc