Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909394 | Device for gripping an object in a constrained space | — | 2018-03-06 |
| 7997340 | Permanent downhole deployment of optical sensors | Francis X. Bostick, III, Michael Brian Grayson, Ram K. Bansal | 2011-08-16 |
| 7730968 | Apparatus for wellbore communication | Michael Lynch, Jack Allen, David Pavel, Joe Noske, Allen Richard Young +4 more | 2010-06-08 |
| 7665543 | Permanent downhole deployment of optical sensors | Francis X. Bostick, III, Michael Brian Grayson, Ram K. Bansal | 2010-02-23 |
| 7654319 | Closed loop multiphase underbalanced drilling process | Gregory H. Chitty, Jeffrey Charles Saponja | 2010-02-02 |
| 7513305 | Apparatus and methods for operating a tool in a wellbore | Paul James Wilson, David M. Haugen, Frederick T. Tilton, John D. Roberts, Ronald Collins +4 more | 2009-04-07 |
| 7475732 | Instrumentation for a downhole deployment valve | Michael Brian Grayson, Ramkumar K. Bansal, Francis X. Bostick, III | 2009-01-13 |
| 7413018 | Apparatus for wellbore communication | Michael Lynch, Jack Allen, David Pavel, Joe Noske, Allen Richard Young +4 more | 2008-08-19 |
| 7395877 | Apparatus and method to reduce fluid pressure in a wellbore | R. K. Bansal, Peter Barnes Moyes | 2008-07-08 |
| 7350590 | Instrumentation for a downhole deployment valve | Michael Brian Grayson, R. K. Bansal | 2008-04-01 |
| 7255173 | Instrumentation for a downhole deployment valve | Michael Brian Grayson, Ramkumar K. Bansal, Francis X. Bostick, III | 2007-08-14 |
| 7219729 | Permanent downhole deployment of optical sensors | F.X. Bostick, Michael Brian Grayson, R. K. Bansal | 2007-05-22 |
| 7178592 | Closed loop multiphase underbalanced drilling process | Gregory H. Chitty, Jeffrey Charles Saponja | 2007-02-20 |
| 7172027 | Expanding tubing | Neil Andrew Abercrombie Simpson, Alexander Craig Mackay, Ken Whanger, Robert P. Badrak | 2007-02-06 |
| 7111692 | Apparatus and method to reduce fluid pressure in a wellbore | R. K. Bansal, Peter Barnes Moyes | 2006-09-26 |
| 7086481 | Wellbore isolation apparatus, and method for tripping pipe during underbalanced drilling | Mike A. Luke | 2006-08-08 |
| 7000692 | Apparatus and methods for placing downhole tools in a wellbore | Thomas Roesnor | 2006-02-21 |
| 6896052 | Expanding tubing | Neil Andrew Abercrombie Simpson, Alexander Craig Mackay | 2005-05-24 |
| 6837313 | Apparatus and method to reduce fluid pressure in a wellbore | Ramkumar K. Bansal, Peter Barnes Moyes | 2005-01-04 |
| 6834726 | Method and apparatus to reduce downhole surge pressure using hydrostatic valve | Richard L. Giroux, David M. Haugen | 2004-12-28 |
| 6736210 | Apparatus and methods for placing downhole tools in a wellbore | Thomas Roesnor | 2004-05-18 |
| 6732804 | Dynamic mudcap drilling and well control system | Ramkumar K. Bansal, Robert L. Cuthbertson | 2004-05-11 |
| 6595289 | Method and apparatus for plugging a wellbore | David M. Tumlin, Gene Fugatt, Mike A. Luke | 2003-07-22 |
| 6209663 | Underbalanced drill string deployment valve method and apparatus | — | 2001-04-03 |
| 6129152 | Rotating bop and method | Michael Brian Grayson | 2000-10-10 |