Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8347982 | System and method for managing heave pressure from a floating rig | Thomas F. Bailey, Simon J. Harrall | 2013-01-08 |
| 8347983 | Drilling with a high pressure rotating control device | Carel W. Hoyer, Thomas F. Bailey, Melvin T. Jacobs, Nicky A. White | 2013-01-08 |
| 8286734 | Low profile rotating control device | Thomas F. Bailey, James W. Chambers, David R. Woodruff, Simon J. Harrall | 2012-10-16 |
| 7997345 | Universal marine diverter converter | — | 2011-08-16 |
| 7926593 | Rotating control device docking station | Thomas F. Bailey, James W. Chambers, Danny W. Wagoner | 2011-04-19 |
| 7836946 | Rotating control head radial seal protection and leak detection systems | Thomas F. Bailey, James W. Chambers, Mark F. Gravouia | 2010-11-23 |
| 7448454 | Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling | Darryl A. Bourgoyne | 2008-11-11 |
| 7258171 | Internal riser rotating control head | Darryl A. Bourgoyne, Thomas F. Bailey, James W. Chambers, Timothy L. Wilson | 2007-08-21 |
| 7237623 | Method for pressurized mud cap and reverse circulation drilling from a floating drilling rig using a sealed marine riser | — | 2007-07-03 |
| 7159669 | Internal riser rotating control head | Darryl A. Bourgoyne, Thomas F. Bailey, James W. Chambers, Timothy L. Wilson | 2007-01-09 |
| 7040394 | Active/passive seal rotating control head | Thomas F. Bailey, James W. Chambers | 2006-05-09 |
| 6913092 | Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling | Darryl A. Bourgoyne | 2005-07-05 |
| 6470975 | Internal riser rotating control head | Darryl A. Bourgoyne | 2002-10-29 |
| 6263982 | Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling | Darryl A. Bourgoyne | 2001-07-24 |
| 5901964 | Seal for a longitudinally movable drillstring component | John R. Williams | 1999-05-11 |