Issued Patents All Time
Showing 51–75 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8408297 | Remote operation of an oilfield device | James W. Chambers, Danny W. Wagoner | 2013-04-02 |
| 8353337 | Method for cooling a rotating control head | James W. Chambers, Don M. Hannegan, Mark F. Gravouia | 2013-01-15 |
| 8347983 | Drilling with a high pressure rotating control device | Carel W. Hoyer, Don M. Hannegan, Melvin T. Jacobs, Nicky A. White | 2013-01-08 |
| 8347982 | System and method for managing heave pressure from a floating rig | Don M. Hannegan, Simon J. Harrall | 2013-01-08 |
| 8322432 | Subsea internal riser rotating control device system and method | Danny W. Wagoner, Waybourn J. Anderson, Jr. | 2012-12-04 |
| 8286734 | Low profile rotating control device | Don M. Hannegan, James W. Chambers, David R. Woodruff, Simon J. Harrall | 2012-10-16 |
| 8113291 | Leak detection method for a rotating control head bearing assembly and its latch assembly using a comparator | James W. Chambers | 2012-02-14 |
| RE43054 | Method and apparatus for casing exit system using coiled tubing | — | 2012-01-03 |
| 8082988 | Apparatus and method for stabilization of downhole tools | Thomas M. Redlinger, Christopher M. Vreeland, Jerry W. Fisher, Thurman B. Carter | 2011-12-27 |
| 8016033 | Continuous flow drilling systems and methods | David Iblings, Ram K. Bansal, Adrian Steiner, Michael Lynch, Simon J. Harrall | 2011-09-13 |
| 7934545 | Rotating control head leak detection systems | James W. Chambers | 2011-05-03 |
| 7926560 | Solid rubber packer for a rotating control device | James W. Chambers, Mark F. Gravouia | 2011-04-19 |
| 7926593 | Rotating control device docking station | Don M. Hannegan, James W. Chambers, Danny W. Wagoner | 2011-04-19 |
| 7836946 | Rotating control head radial seal protection and leak detection systems | James W. Chambers, Don M. Hannegan, Mark F. Gravouia | 2010-11-23 |
| 7823665 | Milling of cemented tubulars | Michael Sullivan, Thomas M. Redlinger, Hubert E. Halford | 2010-11-02 |
| 7779903 | Solid rubber packer for a rotating control device | James W. Chambers, Mark F. Gravouia | 2010-08-24 |
| 7513300 | Casing running and drilling system | Bernd-Georg Pietras, Adrian Vuyk, Jr., Carl J. Wilson | 2009-04-07 |
| 7487837 | Riser rotating control device | James W. Chambers | 2009-02-10 |
| 7258171 | Internal riser rotating control head | Darryl A. Bourgoyne, Don M. Hannegan, James W. Chambers, Timothy L. Wilson | 2007-08-21 |
| 7191840 | Casing running and drilling system | Bernd-Georg Pietras, Adrian Vuyk, Jr., Carl J. Wilson | 2007-03-20 |
| 7159669 | Internal riser rotating control head | Darryl A. Bourgoyne, Don M. Hannegan, James W. Chambers, Timothy L. Wilson | 2007-01-09 |
| 7080685 | High pressure rotating drilling head assembly with hydraulically removable packer | Mike A. Luke | 2006-07-25 |
| 7077212 | Method of hydraulically actuating and mechanically activating a downhole mechanical apparatus | Thomas G. Roesner, Scott McIntire, Adrian Vuyk, Jr. | 2006-07-18 |
| 7040394 | Active/passive seal rotating control head | James W. Chambers, Don M. Hannegan | 2006-05-09 |
| 7025130 | Methods and apparatus to control downhole tools | Michael Nero, Timothy L. Wilson | 2006-04-11 |