Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11982148 | Wellhead apparatus, assembly and method for supporting downhole tubing | Michael Ross | 2024-05-14 |
| 11732538 | System and method for full bore tubing head spool | Brian Craig | 2023-08-22 |
| 11585183 | Annulus isolation device | Lee Stanley Hosie | 2023-02-21 |
| 10808483 | System for hydrocarbon recovery | Paul W. White, Simon Corrigan, Brian Craig, Bobby Voss, Michael Ross | 2020-10-20 |
| 9631449 | Subsea test adaptor for calibration of subsea multi-phase flow meter during initial well clean-up and test and methods of using same | — | 2017-04-25 |
| 9428981 | Subsea test adaptor for calibration of subsea multi-phase flow meter during initial clean-up and test and methods of using same | — | 2016-08-30 |
| 7513308 | Tubing running equipment for offshore rig with surface blowout preventer | David S. Christie, Alistair MacDonald, Paul Milne | 2009-04-07 |
| 7318480 | Tubing running equipment for offshore rig with surface blowout preventer | David S. Christie, Alistair MacDonald, Paul Milne | 2008-01-15 |
| 6942028 | Slim-bore tubing hanger | — | 2005-09-13 |
| 6598673 | Wellhead load ring | Marc Minassian, Norman Brammer | 2003-07-29 |
| 6330918 | Automated dog-type riser make-up device and method of use | George Gibson Chalmers, Robert Buchan | 2001-12-18 |
| 6328343 | Riser dog screw with fail safe mechanism | David S. Christie | 2001-12-11 |
| 5662169 | Cuttings injection wellhead system | — | 1997-09-02 |
| 5653289 | Adjustable jackup drilling system hanger | Iain MacPherson Oswald, Trevor W. J. Park, Calum J. B. Dinnes | 1997-08-05 |
| 5439061 | Adjustable surface well head casing hanger | Norman Brammer, Calum J. B. Dinnes, Trevor W. J. Park | 1995-08-08 |
| 5339912 | Cuttings disposal system | Callum J. B. Dinnes | 1994-08-23 |
| 5222560 | Full bore internal tieback system and method | Norman Brammer | 1993-06-29 |
| 5201835 | Wellhead seal with protective rib | — | 1993-04-13 |
| 5129459 | Subsea flowline selector | Peter Breese | 1992-07-14 |
| 5029647 | Subsea wellhead stabilization | Lionel J. Milberger, Herman O. Henderson, Jr. | 1991-07-09 |
| 4979566 | Washout mechanism for offshore wells | John C. Anthony | 1990-12-25 |
| 4976458 | Internal tieback connector | Luis Araujo | 1990-12-11 |