Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9347281 | Triple activity drilling ship | — | 2016-05-24 |
| 9222327 | Well safety equipment | — | 2015-12-29 |
| 9217302 | Triple activity drilling ship | — | 2015-12-22 |
| 9067649 | Ice breaking drilling vessel with stowable mast | — | 2015-06-30 |
| 8925647 | Triple activity drilling ship | — | 2015-01-06 |
| 8176985 | Well drilling and production using a surface blowout preventer | — | 2012-05-15 |
| 8162063 | Dual gradient drilling ship | — | 2012-04-24 |
| 7144048 | Composite marine riser | — | 2006-12-05 |
| 7032691 | Underbalanced well drilling and production | — | 2006-04-25 |