loadpatents
Patent applications and USPTO patent grants for Parrott; Robert A..The latest application filed is for "method and apparatus for completing a multi-stage well".
Patent | Date |
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Method and apparatus for completing a multi-stage well Grant 10,400,557 - Bertoja , et al. Sep | 2019-09-03 |
Completing a multi-stage well Grant 10,138,706 - Baihly , et al. Nov | 2018-11-27 |
Technique and apparatus to form a downhole fluid barrier Grant 9,546,534 - Lecerf , et al. January 17, 2 | 2017-01-17 |
Method and Apparatus for Completing a Multi-Stage Well App 20160312588 - Bertoja; Michael J. ;   et al. | 2016-10-27 |
Method and apparatus for completing a multi-stage well Grant 9,382,790 - Bertoja , et al. July 5, 2 | 2016-07-05 |
Completing A Multi-stage Well App 20150247378 - Baihly; Jason ;   et al. | 2015-09-03 |
Completing a multi-stage well Grant 9,033,041 - Baihly , et al. May 19, 2 | 2015-05-19 |
Technique And Apparatus To Form A Downhole Fluid Barrier App 20150047838 - Lecerf; Bruno ;   et al. | 2015-02-19 |
Method and apparatus for completing a multi-stage well Grant 8,944,171 - Parrott , et al. February 3, 2 | 2015-02-03 |
Reusable Perforating Gun And Port Plug App 20130340599 - Parrott; Robert A. ;   et al. | 2013-12-26 |
Method and apparatus for orienting perforating devices Grant 8,439,114 - Parrott , et al. May 14, 2 | 2013-05-14 |
Completing A Multi-stage Well App 20130062063 - Baihly; Jason ;   et al. | 2013-03-14 |
Method And Apparatus For Completing A Multi-stage Well App 20130000926 - Parrott; Robert A. ;   et al. | 2013-01-03 |
Method And Apparatus For Completing A Multi-stage Well App 20120168163 - Bertoja; Michael J. ;   et al. | 2012-07-05 |
Method and Apparatus for Orienting Perforating Devices App 20080264639 - Parrott; Robert A. ;   et al. | 2008-10-30 |
System for connecting downhole tools Grant 7,213,655 - Parrott May 8, 2 | 2007-05-08 |
Shaped charge loading tube for perforating gun Grant 7,159,657 - Ratanasirigulchia , et al. January 9, 2 | 2007-01-09 |
Method and apparatus for orienting perforating devices Grant 7,114,564 - Parrott , et al. October 3, 2 | 2006-10-03 |
Method and apparatus for orienting perforating devices and confirming their orientation Grant 7,000,699 - Yang , et al. February 21, 2 | 2006-02-21 |
Shaped Charge Loading Tube for Perforating Gun App 20050211467 - Ratanasirigulchia, Wanchai ;   et al. | 2005-09-29 |
System for Connecting Downhole Tools App 20050155770 - Parrott, Robert A. | 2005-07-21 |
Gun brake device Grant 6,817,598 - Parrott , et al. November 16, 2 | 2004-11-16 |
Perforating gun carriers and their methods of manufacture Grant 6,702,039 - Parrott , et al. March 9, 2 | 2004-03-09 |
Method and apparatus for orienting perforating devices App 20030188867 - Parrott, Robert A. ;   et al. | 2003-10-09 |
Gun brake device App 20030089504 - Parrott, Robert A. ;   et al. | 2003-05-15 |
Perforating gun Grant 6,523,449 - Fayard , et al. February 25, 2 | 2003-02-25 |
Shaped recesses in explosive carrier housings that provide for improved explosive performance Grant 6,523,474 - Parrott , et al. February 25, 2 | 2003-02-25 |
Perforating gun carriers and their methods of manufacture App 20030029639 - Parrott, Robert A. ;   et al. | 2003-02-13 |
Shaped recesses in explosive carrier housings that provide for improved explosive performance App 20020189483 - Parrott, Robert A. ;   et al. | 2002-12-19 |
Method and apparatus for orienting perforating devices and confirming their orientation App 20020185275 - Yang, Wenbo ;   et al. | 2002-12-12 |
Shaped recesses in explosive carrier housings that provide for improved explosive performance in a well Grant 6,460,463 - Parrott , et al. October 8, 2 | 2002-10-08 |
High temperature explosives for downhole well applications App 20020129940 - Yang, Wenbo ;   et al. | 2002-09-19 |
Impermeable and composite perforating gun assembly components Grant 6,422,148 - Xu , et al. July 23, 2 | 2002-07-23 |
Method and apparatus for coupling explosive devices Grant 6,397,752 - Yang , et al. June 4, 2 | 2002-06-04 |
Method and apparatus to reduce trapped pressure in a downhole tool App 20020033264 - Parrott, Robert A. ;   et al. | 2002-03-21 |
Cooling system for downhole tools Grant 6,336,408 - Parrott , et al. January 8, 2 | 2002-01-08 |
Shaped charges having reduced slug creation Grant 6,021,714 - Grove , et al. February 8, 2 | 2000-02-08 |
Perforating gun having a plurality of charges including a corresponding plurality of exploding foil or exploding bridgewire initiator apparatus responsive to a pulse of current for simultaneously detonating the plurality of charges Grant 5,505,134 - Brooks , et al. April 9, 1 | 1996-04-09 |
Charge phasing arrangements in a perforating gun Grant 4,960,171 - Parrott , et al. October 2, 1 | 1990-10-02 |
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