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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 |
