Assignee
DEEP VISION LLC
US7 patents
Top patents by PatentIndex Score
US6415877B1Jul 9, 2002
Subsea wellbore drilling system for reducing bottom hole pressure
DEEP VISION LLC185 citations98
US6854532B2Feb 15, 2005
Subsea wellbore drilling system for reducing bottom hole pressure
DEEP VISION LLC84 citations97
US7114581B2Oct 3, 2006
Active controlled bottomhole pressure system & method
DEEP VISION LLC55 citations96
US6527054B1Mar 4, 2003
Apparatus and method for the disposition of drilling solids during drilling of subsea oilfield wellbores
DEEP VISION LLC55 citations96
US6446737B1Sep 10, 2002
Apparatus and method for rotating a portion of a drill string
DEEP VISION LLC52 citations92
US6173781B1Jan 16, 2001
Slip joint intervention riser with pressure seals and method of using the same
DEEP VISION LLC56 citations85
US6408948B1Jun 25, 2002
Tubing handling for subsea oilfield tubing operations
DEEP VISION LLC11 citations73