Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885190 | Apparatus and method to longitudinally and circumferentially cut and remove a section of a wellbore tubular | Henning Hansen, Luqmanul Shafiee, Siti Rahman | 2024-01-30 |
| 11466541 | Heat transfer prevention method for wellbore heating system | Henning Hansen | 2022-10-11 |
| 11428062 | Method for modifying installed wellbore flow control devices | Henning Hansen | 2022-08-30 |
| 10533675 | Apparatus for controlling a fluid flow | Alf Egil Stensen | 2020-01-14 |
| 10480285 | Energy saving downhole and subsea valve | Henning Hansen, James Lindsay | 2019-11-19 |
| 10370919 | Multifunction wellbore tubular penetration tool | Henning Hansen, Reid Skjaerpe, Sjur Usken | 2019-08-06 |
| 10370920 | Wellbore intervention tool for penetrating obstructions in a wellbore | Henning Hansen | 2019-08-06 |
| 10107067 | Methods for placing a barrier material in a wellbore to permanently leave tubing in casing for permanent wellbore abandonment | Henning Hansen | 2018-10-23 |
| 9926747 | Method of incorporating remote communication with oilfield tubular handling apparatus | Sorin Gabriel Teodorescu, Hallvard S. Hatloy, Lev Ring | 2018-03-27 |
| 9464520 | Method of incorporating remote communication with oilfield tubular handling apparatus | Sorin Gabriel Teodorescu, Hallvard S. Hatloy, Lev Ring | 2016-10-11 |
| 7963340 | Method for disintegrating a barrier in a well isolation device | Bernt Gramstad, Terje Baustad | 2011-06-21 |
| 7513311 | Temporary well zone isolation | Bernt Gramstad, Terje Baustad | 2009-04-07 |
| 7172029 | Bi-directionally boosting and internal pressure trapping packing element system | David Hirth, Gerald Pedersen | 2007-02-06 |
| 7165622 | Packer with metal sealing element | David Hirth | 2007-01-23 |
| 7069991 | Method and apparatus for surge pressure reduction in a tool with fluid motivator | Mark J. Murray | 2006-07-04 |
| 6962206 | Packer with metal sealing element | David Hirth | 2005-11-08 |
| 6908121 | Locking arrangement for a threaded connector | David Hirth, Mark J. Murray, Gerald Pedersen | 2005-06-21 |
| 6902008 | Bi-directionally boosting and internal pressure trapping packing element system | David Hirth, Gerald Pedersen | 2005-06-07 |
| 6866100 | Mechanically opened ball seat and expandable ball seat | David Hirth, Gerald Pedersen | 2005-03-15 |
| 6467547 | Hydraulic running tool with torque dampener | Patrick Maguire, Richard G Duff, Mark J. Murray | 2002-10-22 |
| 6311771 | Plug for use in wellbore operations and apparatus for launching said plug | Frederick T. Tilton | 2001-11-06 |
| 6244350 | Apparatus for launching at least one plug into a tubular in a wellbore | Jone Salte | 2001-06-12 |
| 6065536 | Apparatus for setting a liner in a well casing | Arthur H. Dybevik, Ole Sveinung Kvernsteun | 2000-05-23 |
| 6053244 | Release mechanism | Arthur Hrrman Dybevik | 2000-04-25 |
| 6009944 | Plug launching device | — | 2000-01-04 |