US Patent:
20090178848, Jul 16, 2009
Inventors:
Peter Nellessen, JR. - Palm Beach Gardens FL, US
Jonathan Bruce Machin - Singapore, SG
Harold Marshall Pardey - Salt Lake City UT, US
Assignee:
PERRY SLINGSBY SYSTEMS, INC. - Jupiter FL
International Classification:
E21B 7/128
Abstract:
A subsea drilling system includes a drilling module having a tool carousel being removable and replaceable in or out of water, a skid module and an ROV to be connected to and disconnected from the skid module in or out of water, for operating the subsea drilling system with the ROV. A method for operating a subsea drilling system includes removing a tool carousel from a drilling module and replacing the tool carousel with another tool carousel, in or out of water. An ROV is connected to a skid module and disconnected from the skid module in or out of water. The subsea drilling system is operated with the ROV.