Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10132129 | Managed pressure drilling with rig heave compensation | Ossama R. Sehsah, Yawan Couturier | 2018-11-20 |
| 9429007 | Managed pressure drilling with rig heave compensation | Ossama R. Sehsah, Yawan Couturier | 2016-08-30 |
| 9284799 | Method for drilling through nuisance hydrocarbon bearing formations | Ossama R. Sehsah, Yawan Couturier | 2016-03-15 |
| 8844633 | Method for maintaining wellbore pressure | Ossama R. Sehsah | 2014-09-30 |
| 8757272 | Method and apparatus for precise control of wellbore fluid flow | Yawan Couturier, Ossama R. Sehsah | 2014-06-24 |
| 8567525 | Method for determining fluid control events in a borehole using a dynamic annular pressure control system | — | 2013-10-29 |
| 7828081 | Method of drilling a lossy formation | — | 2010-11-09 |
| 7562723 | Method for determining formation fluid entry into or drilling fluid loss from a borehole using a dynamic annular pressure control system | — | 2009-07-21 |
| 7395878 | Drilling system and method | Egbert Jan Van Riet | 2008-07-08 |
| 7350597 | Drilling system and method | Egbert Jan Van Riet | 2008-04-01 |