A few years ago there was still a great deal of I'll show you how "WE" do it between BP and the old Amoco group.
“I did some poking around, and the reason many of us with experience in the biz, have not seen this type of well design before, it’s because it’s a one off experiment, it’s the first time its been tried at these depths. Some genius with BP at the SPE in Alaska dreamed it up in 2007.”
Excerpted from http://www.flickr.com/photos/uscgd8/4551846015/page6/
That is all the information I have seen as to the actual design team.
Don’t know, out here BP didn’t keep many Arco or Amoco people.