Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8919449 | Offshore drilling and production systems and methods | Gwo-Tarng Ju, Edward Eugene Shumilak, II | 2014-12-30 |
| 6401823 | Deepwater drill string shut-off | Frans Sippo Wiegand Smits | 2002-06-11 |
| 6276455 | Subsea gas separation system and method for offshore drilling | — | 2001-08-21 |
| 6263981 | Deepwater drill string shut-off valve system and method for controlling mud circulation | — | 2001-07-24 |
| 6216799 | Subsea pumping system and method for deepwater drilling | — | 2001-04-17 |
| 5642966 | Compliant tower | Denby Grey Morrison, Susan L. Smolinski, Peter W. Marshall, David A. Huete | 1997-07-01 |
| 5533574 | Dual concentric string high pressure riser | — | 1996-07-09 |
| 5275240 | Method and apparatus for preventing casing damage due to formation compaction | James L. Peterson | 1994-01-04 |
| 5184686 | Method for offshore drilling utilizing a two-riser system | — | 1993-02-09 |
| 5174340 | Apparatus for preventing casing damage due to formation compaction | James L. Peterson | 1992-12-29 |