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Reverse circulation pressure control method and system
Grant 8,132,630 - Krueger , et al. March 13, 2 | 2012-03-13 |
Control systems and methods for real-time downhole pressure management (ECD control)
Grant 7,721,822 - Krueger , et al. May 25, 2 | 2010-05-25 |
Control systems and methods for active controlled bottomhole pressure systems
Grant 7,353,887 - Krueger , et al. April 8, 2 | 2008-04-08 |
Reverse Circulation Pressure Control Method and System
App 20070278007 - Krueger; Sven ; et al. | 2007-12-06 |
Drilling system and method for controlling equivalent circulating density during drilling of wellbores
Grant 7,270,185 - Fontana , et al. September 18, 2 | 2007-09-18 |
System and method for recovering return fluid from subsea wellbores
Grant 7,185,705 - Fontana March 6, 2 | 2007-03-06 |
Control systems and methods for real-time downhole pressure management (ECD control)
App 20070045006 - Krueger; Sven ; et al. | 2007-03-01 |
Control systems and methods for active controlled bottomhole pressure systems
Grant 7,174,975 - Krueger , et al. February 13, 2 | 2007-02-13 |
Active controlled bottomhole pressure system & method
Grant 7,114,581 - Aronstam , et al. October 3, 2 | 2006-10-03 |
Modular design for downhole ECD-management devices and related methods
Grant 7,096,975 - Aronstam , et al. August 29, 2 | 2006-08-29 |
Control systems and methods for active controlled bottomhole pressure systems
App 20060124352 - Krueger; Sven ; et al. | 2006-06-15 |
Wellbore fluid circulation system and method
Grant 7,055,627 - Fontana , et al. June 6, 2 | 2006-06-06 |
Drilling system and method for controlling equivalent circulating density during drilling of wellbores
App 20060065402 - Fontana; Peter ; et al. | 2006-03-30 |
Control systems and methods for active controlled bottomhole pressure systems
App 20050098349 - Krueger, Sven ; et al. | 2005-05-12 |
Subsea wellbore drilling system for reducing bottom hole pressure
Grant 6,854,532 - Fincher , et al. February 15, 2 | 2005-02-15 |
Modular design for downhole ECD-management devices and related methods
App 20040256161 - Aronstam, Peter ; et al. | 2004-12-23 |
Active controlled bottomhole pressure system & method
App 20040206548 - Aronstam, Peter ; et al. | 2004-10-21 |
Novel wellbore fluid circulation system and method
App 20040154805 - Fontana, Peter ; et al. | 2004-08-12 |
Subsea wellbore drilling system for reducing bottom hole pressure
App 20040124008 - Fincher, Roger W. ; et al. | 2004-07-01 |
System and method for recovering return fluid from subsea wellbores
App 20040031623 - Fontana, Peter | 2004-02-19 |
Subsea wellbore drilling system for reducing bottom hole pressure
Grant 6,648,081 - Fincher , et al. November 18, 2 | 2003-11-18 |
Apparatus and method for the disposition of drilling solids during drilling of subsea oilfield wellbores
App 20030183393 - Fincher, Roger W. ; et al. | 2003-10-02 |
Active controlled bottomhole pressure system & method
App 20030098181 - Aronstam, Peter ; et al. | 2003-05-29 |
Drilling system and method for controlling equivalent circulating density during drilling of wellbores
App 20030066650 - Fontana, Peter ; et al. | 2003-04-10 |
Apparatus and method for rotating a portion of a drill string
Grant 6,446,737 - Fontana , et al. September 10, 2 | 2002-09-10 |
Subsea wellbore drilling system for reducing bottom hole pressure
App 20020092655 - Fincher, Roger W. ; et al. | 2002-07-18 |
Subsea wellbore drilling system for reducing bottom hole pressure
Grant 6,415,877 - Fincher , et al. July 9, 2 | 2002-07-09 |
Thruster Responsive To Drilling Parameters
App 20010045300 - FINCHER, ROGER ; et al. | 2001-11-29 |
Tubing injection systems for oilfield operations
Grant 6,276,454 - Fontana , et al. August 21, 2 | 2001-08-21 |
Tubing injection systems for oilfield operations
Grant 6,116,345 - Fontana , et al. September 12, 2 | 2000-09-12 |
Variable injector
Grant 5,890,534 - Burge , et al. April 6, 1 | 1999-04-06 |
Universal pipe and tubing injection apparatus and method
Grant 5,875,850 - Burge , et al. March 2, 1 | 1999-03-02 |
Drilling system with electrically controlled tubing injection system
Grant 5,850,874 - Burge , et al. December 22, 1 | 1998-12-22 |
Coiled tubing apparatus
Grant 5,845,708 - Burge , et al. December 8, 1 | 1998-12-08 |
Universal pipe and tubing injection apparatus and method
Grant 5,823,267 - Burge , et al. October 20, 1 | 1998-10-20 |
Universal pipe and tubing injection apparatus and method
Grant 5,738,173 - Burge , et al. April 14, 1 | 1998-04-14 |
Multi-detector intensity interferometer and method for processing incoherent radiation signals
Grant 4,466,067 - Fontana August 14, 1 | 1984-08-14 |
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