Inventor
FONTANA PETER
NL27 patents
⚠️ This page may combine multiple inventors who share the name “FONTANA PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
17 patentsUS7270185B2Sep 18, 2007
Drilling system and method for controlling equivalent circulating density during drilling of wellbores
BAKER HUGHES INC159 citations99
US7721822B2May 25, 2010
Control systems and methods for real-time downhole pressure management (ECD control)
BAKER HUGHES INC52 citations98
US7174975B2Feb 13, 2007
Control systems and methods for active controlled bottomhole pressure systems
BAKER HUGHES INC77 citations98
US7055627B2Jun 6, 2006
Wellbore fluid circulation system and method
BAKER HUGHES INC80 citations98
US6276454B1Aug 21, 2001
Tubing injection systems for oilfield operations
BAKER HUGHES INC103 citations97
US6116345ASep 12, 2000
Tubing injection systems for oilfield operations
BAKER HUGHES INC106 citations97
US5890534AApr 6, 1999
Variable injector
BAKER HUGHES INC62 citations96
US5845708ADec 8, 1998
Coiled tubing apparatus
BAKER HUGHES INC49 citations96
US5738173AApr 14, 1998
Universal pipe and tubing injection apparatus and method
BAKER HUGHES INC72 citations95
US7353887B2Apr 8, 2008
Control systems and methods for active controlled bottomhole pressure systems
BAKER HUGHES INC38 citations92
US7185705B2Mar 6, 2007
System and method for recovering return fluid from subsea wellbores
BAKER HUGHES INC39 citations92
US7096975B2Aug 29, 2006
Modular design for downhole ECD-management devices and related methods
BAKER HUGHES INC52 citations92
US6179057B1Jan 30, 2001
Apparatus and method for killing or suppressing a subsea well
BAKER HUGHES INC37 citations92
US6032744AMar 7, 2000
Universal pipe and tubing injection apparatus and method
BAKER HUGHES INC26 citations92
US5875850AMar 2, 1999
Universal pipe and tubing injection apparatus and method
BAKER HUGHES INC21 citations92
US5823267AOct 20, 1998
Universal pipe and tubing injection apparatus and method
BAKER HUGHES INC25 citations92
US5954137ASep 21, 1999
Apparatus and method for avoiding formation impairment during completion of wellbores
BAKER HUGHES INC8 citations70
DEEP VISION LLC
6 patentsUS6415877B1Jul 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
US6408948B1Jun 25, 2002
Tubing handling for subsea oilfield tubing operations
DEEP VISION LLC11 citations73