| 11808104 |
Seal for a well |
Craig Hendrie, Brent Harrald |
2023-11-07 |
| 10287838 |
Running tool |
Michael C. Robertson, Craig Hendrie, Mark E. Bridges |
2019-05-14 |
| 9388656 |
Subsea wellhead including monitoring apparatus |
Craig Hendrie, Michael C. Robertson |
2016-07-12 |
| 9273532 |
Securement arrangement for securing casing inside a subsea wellhead |
Craig Hendrie, Michael C. Robertson |
2016-03-01 |
| 7740061 |
Externally activated seal system for wellhead |
Craig Hendrie |
2010-06-22 |
| 7648176 |
Pipe joint |
— |
2010-01-19 |
| 7344162 |
Pipe joint |
— |
2008-03-18 |
| 7128143 |
Externally activated seal system for wellhead |
— |
2006-10-31 |
| 6779602 |
Seal |
Craig Hendrie |
2004-08-24 |
| 6662868 |
Clamping well casings |
— |
2003-12-16 |
| 6095243 |
Washout arrangement for a well |
Mark Dwayne Boyd |
2000-08-01 |
| 6092596 |
Clamping well casings |
— |
2000-07-25 |
| RE34071 |
Surface wellhead |
— |
1992-09-22 |
| 5026200 |
Releasable connector |
— |
1991-06-25 |
| 4938289 |
Surface wellhead |
— |
1990-07-03 |
| 4856592 |
Annulus cementing and washout systems for wells |
Ian F. Milne |
1989-08-15 |
| 4794988 |
Surface wellhead |
— |
1989-01-03 |
| 4294471 |
Subsea flowline connector |
— |
1981-10-13 |
| 4260022 |
Through the flow-line selector apparatus and method |
— |
1981-04-07 |
| 4223920 |
Vertically retrievable subsea conduit connector |
— |
1980-09-23 |
