Patent | Date |
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Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve Grant 7,775,269 - Dennistoun , et al. August 17, 2 | 2010-08-17 |
Communication Tool for Accessing a Non Annular Hydraulic Chamber of a Subsurface Safety Valve App 20090114389 - Dennistoun; Stuart M. ;   et al. | 2009-05-07 |
Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve Grant 7,475,733 - Dennistoun , et al. January 13, 2 | 2009-01-13 |
Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve App 20070227738 - Dennistoun; Stuart M. ;   et al. | 2007-10-04 |
Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve Grant 7,249,635 - Dennistoun , et al. July 31, 2 | 2007-07-31 |
Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve App 20060113081 - Dennistoun; Stuart M. ;   et al. | 2006-06-01 |
Subsurface safety valve having a communication tool accessible non annular hydraulic chamber Grant 7,032,672 - Dennistoun , et al. April 25, 2 | 2006-04-25 |
Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve Grant 6,953,093 - Dennistoun , et al. October 11, 2 | 2005-10-11 |
Testing drill packer Grant 6,918,440 - Garcia-Soule , et al. July 19, 2 | 2005-07-19 |
Subsurface safety valve and method for communicating hydraulic fluid therethrough Grant 6,880,641 - Dennistoun , et al. April 19, 2 | 2005-04-19 |
Subsurface safety valve having a communication tool accessible non annular hydraulic chamber App 20050056430 - Dennistoun, Stuart M. ;   et al. | 2005-03-17 |
Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve App 20050056414 - Dennistoun, Stuart M. ;   et al. | 2005-03-17 |
Testing drill packer App 20040206496 - Garcia-Soule, Virgilio ;   et al. | 2004-10-21 |
Subsurface safety valve lock out and communication tool and method for use of the same Grant 6,742,595 - Dennistoun , et al. June 1, 2 | 2004-06-01 |
Subsurface safety valve and method for communicating hydraulic fluid therethrough App 20040026087 - Dennistoun, Stuart M. ;   et al. | 2004-02-12 |
Apparatus and method for gravel packing a horizontal open hole production interval Grant 6,675,891 - Hailey, Jr. , et al. January 13, 2 | 2004-01-13 |
Subsurface safety valve lock out and communication tool and method for use of the same Grant 6,659,185 - Dennistoun , et al. December 9, 2 | 2003-12-09 |
Apparatus and method for gravel packing a horizontal open hole production interval App 20030111224 - Hailey, Travis T. JR. ;   et al. | 2003-06-19 |
Subsurface safety valve lock out and communication tool and method for use of the same App 20030075336 - Dennistoun, Stuart M. ;   et al. | 2003-04-24 |
Subsurface safety valve lock out and communication tool and method for use of the same App 20030070817 - Dennistoun, Stuart M. ;   et al. | 2003-04-17 |
Subsurface safety valve lock out and communication tool and method for use of the same Grant 6,523,614 - Dennistoun , et al. February 25, 2 | 2003-02-25 |
Subsurface Safety Valve Lock Out And Communication Tool And Method For Use Of The Same App 20020153139 - Dennistoun, Stuart M. ;   et al. | 2002-10-24 |
Apparatus and method for downhole tool actuation Grant 6,070,672 - Gazda June 6, 2 | 2000-06-06 |
Pressure activated switch valve Grant 6,035,880 - Gazda March 14, 2 | 2000-03-14 |
Plug or lock for use in oil field tubular members and an operating system therefor Grant 5,492,173 - Kilgore , et al. February 20, 1 | 1996-02-20 |
Subsurface safety valves and method and apparatus for their operation Grant 5,205,355 - Gay , et al. April 27, 1 | 1993-04-27 |
Two-way plugs for wells Grant 4,928,761 - Gazda , et al. May 29, 1 | 1990-05-29 |
Device for releasably connecting well tools Grant 4,750,560 - Gazda June 14, 1 | 1988-06-14 |
Well test apparatus and methods Grant 4,583,592 - Gazda , et al. April 22, 1 | 1986-04-22 |
Locking device for well tools Grant 4,540,048 - Gazda September 10, 1 | 1985-09-10 |
Well completion and testing system Grant 4,487,261 - Gazda December 11, 1 | 1984-12-11 |
Equalizing valve for use in a well tool string Grant 4,286,661 - Gazda September 1, 1 | 1981-09-01 |
Running tool Grant 4,181,344 - Gazda January 1, 1 | 1980-01-01 |
Well testing tool system Grant 4,149,593 - Gazda , et al. April 17, 1 | 1979-04-17 |
Bottom hole fluid pressure communicating probe and locking mandrel Grant 4,069,865 - Gazda , et al. January 24, 1 | 1978-01-24 |
Selective bomb hanger Grant 4,018,277 - Gazda April 19, 1 | 1977-04-19 |
Hydraulic jar Grant 4,007,798 - Gazda February 15, 1 | 1977-02-15 |
Well safety valve system Grant 3,990,511 - Gazda November 9, 1 | 1976-11-09 |
Well safety valve system Grant 3,874,634 - Gazda April 1, 1 | 1975-04-01 |