| Patent | Date |
|---|
Method for modifying installed wellbore flow control devices
Grant 11,428,062 - Hansen , et al. August 30, 2 | 2022-08-30 |
Method To Longitudinally And Circumferential Cut Out And Remove A Section Of A Wellbore Tubular
App 20220074279 - Hansen; Henning ; et al. | 2022-03-10 |
Heat Transfer Prevention Method For Wellbore Heating System
App 20220018219 - Hansen; Henning ; et al. | 2022-01-20 |
Method For Modifying Installed Wellbore Flow Control Devices
App 20210054709 - Hansen; Henning ; et al. | 2021-02-25 |
Apparatus for controlling a fluid flow
Grant 10,533,675 - Stensen , et al. Ja | 2020-01-14 |
Energy saving downhole and subsea valve
Grant 10,480,285 - Hansen , et al. Nov | 2019-11-19 |
Multifunction wellbore tubular penetration tool
Grant 10,370,919 - Hansen , et al. | 2019-08-06 |
Wellbore intervention tool for penetrating obstructions in a wellbore
Grant 10,370,920 - Hansen , et al. | 2019-08-06 |
Energy Saving Downhole And Subsea Valve
App 20190055815 - Hansen; Henning ; et al. | 2019-02-21 |
Hydraulically Powered Downhole Piston Pump
App 20190048695 - Hansen; Henning ; et al. | 2019-02-14 |
Methods for placing a barrier material in a wellbore to permanently leave tubing in casing for permanent wellbore abandonment
Grant 10,107,067 - Hansen , et al. October 23, 2 | 2018-10-23 |
An Apparatus for Controlling a Fluid Flow
App 20180187789 - Stensen; Alf Egil ; et al. | 2018-07-05 |
Method of incorporating remote communication with oilfield tubular handling apparatus
Grant 9,926,747 - Teodorescu , et al. March 27, 2 | 2018-03-27 |
Wellbore Intervention Tool For Penetrating Obstructions In A Wellbore
App 20170198538 - HANSEN; Henning ; et al. | 2017-07-13 |
Methods For Placing A Barrier Material In A Wellbore To Permanently Leave Tubing In Casing For Permanent Wellbore Abandonment
App 20170081943 - Hansen; Henning ; et al. | 2017-03-23 |
Multifunction Wellbore Tubular Penetration Tool
App 20170030157 - Hansen; Henning ; et al. | 2017-02-02 |
Method Of Incorporating Remote Communication With Oilfield Tubular Handling Apparatus
App 20160369573 - TEODORESCU; Sorin Gabriel ; et al. | 2016-12-22 |
Method of incorporating remote communication with oilfield tubular handling apparatus
Grant 9,464,520 - Teodorescu , et al. October 11, 2 | 2016-10-11 |
Method Of Incorporating Remote Communication With Oilfield Tubular Handling Apparatus
App 20140231073 - Teodorescu; Sorin Gabriel ; et al. | 2014-08-21 |
Method for disintegrating a barrier in a well isolation device
Grant 7,963,340 - Gramstad , et al. June 21, 2 | 2011-06-21 |
Temporary Well Zone Isolation
App 20090151958 - Gramstad; Bernt ; et al. | 2009-06-18 |
Temporary well zone isolation
Grant 7,513,311 - Gramstad , et al. April 7, 2 | 2009-04-07 |
Temporary Well Zone Isolation
App 20070251698 - GRAMSTAD; BERNT ; et al. | 2007-11-01 |
Bi-directionally boosting and internal pressure trapping packing element system
Grant 7,172,029 - Hirth , et al. February 6, 2 | 2007-02-06 |
Packer with metal sealing element
Grant 7,165,622 - Hirth , et al. January 23, 2 | 2007-01-23 |
Method and apparatus for surge pressure reduction in a tool with fluid motivator
Grant 7,069,991 - Gudmestad , et al. July 4, 2 | 2006-07-04 |
Packer with metal sealing element
Grant 6,962,206 - Hirth , et al. November 8, 2 | 2005-11-08 |
Packer with metal sealing element
App 20050230100 - Hirth, David Eugene ; et al. | 2005-10-20 |
Bi-directionally boosting and internal pressure trapping packing element system
App 20050155775 - Hirth, David E. ; et al. | 2005-07-21 |
Locking arrangement for a threaded connector
Grant 6,908,121 - Hirth , et al. June 21, 2 | 2005-06-21 |
Bi-directionally boosting and internal pressure trapping packing element system
Grant 6,902,008 - Hirth , et al. June 7, 2 | 2005-06-07 |
Mechanically opened ball seat and expandable ball seat
Grant 6,866,100 - Gudmestad , et al. March 15, 2 | 2005-03-15 |
Packer with metal sealing element
App 20040226724 - Hirth, David Eugene ; et al. | 2004-11-18 |
Method and apparatus for surge pressure reduction in a tool with fluid motivator
App 20040134664 - Gudmestad, Tarald ; et al. | 2004-07-15 |
Mechanically opened ball seat and expandable ball seat
App 20040035586 - Gudmestad, Tarald ; et al. | 2004-02-26 |
Bi-directionally boosting and internal pressure trapping packing element system
App 20030132008 - Hirth, David E. ; et al. | 2003-07-17 |
Locking arrangement for a threaded connector
App 20030122373 - Hirth, David Eugene ; et al. | 2003-07-03 |
Hydraulic running tool with torque dampener
App 20020070032 - Maguire, Patrick G. ; et al. | 2002-06-13 |
Plug for use in wellbore operations and apparatus for launching said plug
Grant 6,311,771 - Gudmestad , et al. November 6, 2 | 2001-11-06 |
Apparatus for setting a liner in a well casing
Grant 6,065,536 - Gudmestad , et al. May 23, 2 | 2000-05-23 |
Release mechanism
Grant 6,053,244 - Dybevik , et al. April 25, 2 | 2000-04-25 |
Plug launching device
Grant 6,009,944 - Gudmestad January 4, 2 | 2000-01-04 |
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