Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8162052 | Formation tester with low flowline volume and method of use thereof | Anthony Robert Holmes Goodwin, Julian Pop, Stephane Briquet, Ricardo Vasques | 2012-04-24 |
| 8091634 | Single packer structure with sensors | Pierre-Yves Corre, Stephane Briquet, Stephen Yeldell, Carsten Sonne, Edward Harrigan | 2012-01-10 |
| 8047286 | Formation evaluation system and method | Bunker Hill | 2011-11-01 |
| 8042387 | Methods and apparatus to control a formation testing operation based on a mudcake leakage | Fernando Garcia-Osuna, Steve G. Villareal, Timur Zharnikov | 2011-10-25 |
| 8025072 | Developing a flow control system for a well | Colin Atkinson, Franck B. G. Monmont, Mark H. Fraker, Qing Yao | 2011-09-27 |
| 8024868 | Wall contact caliper instruments for use in a drill string | James C. Brannigan, Raymond V. Nold, III, John Rasmus, Fernando Garcia-Osuna | 2011-09-27 |
| 8016038 | Method and apparatus to facilitate formation sampling | Anthony Robert Holmes Goodwin, Julian Pop, Stephen Yeldell, Jason Hueber, Pierre-Yves Corre +2 more | 2011-09-13 |
| 8015869 | Methods and apparatus to perform pressure testing of geological formations | Raymond V. Nold, III, Nathan Landsiedel, Nicholas Josep Ellson, Vladimir Vaynshteyn | 2011-09-13 |
| 7934547 | Apparatus and methods to control fluid flow in a downhole tool | Mark Milkovisch, Stephane Briquet, Christopher S. Del Campo, Raymond V. Nold, III, Jonathan W. Brown +1 more | 2011-05-03 |
| 7932220 | Water compatible hydraulic fluids | Jian Zhou, Christopher S. Del Campo, Golchehreh Salamat, Diankui Fu, Jese C. Lee | 2011-04-26 |
| 7878244 | Apparatus and methods to perform focused sampling of reservoir fluid | Ray Nold, III, Ricardo Vasques, Steven G. Villareal, Reinhart Ciglenec, Albert Hoefel | 2011-02-01 |
| 7857050 | Flow control using a tortuous path | Mark H. Fraker, Qing Yao, Adinathan Venkitaraman | 2010-12-28 |
| 7841406 | Formation fluid sampling apparatus and methods | Colin Longfield, Julian Pop, Thomas H. Zimmerman, John Sherwood, Keith A. Burgess | 2010-11-30 |
| 7793713 | Apparatus and method for formation evaluation | Raymond V. Nold, III, Steve Ervin, Christopher S. Del Campo, Stephane Briquet | 2010-09-14 |
| 7690423 | Downhole tool having an extendable component with a pivoting element | Christopher S. Del Campo, Stephane Briquet, Steve Ervin | 2010-04-06 |
| 7654321 | Formation fluid sampling apparatus and methods | Colin Longfield, Julian Pop, Thomas H. Zimmerman, John Sherwood, Keith A. Burgess | 2010-02-02 |
| 7647980 | Drillstring packer assembly | Pierre-Yves Corre, Vladimir Vaynshteyn, Philippe Hocquet, Nicholas Josep Ellson | 2010-01-19 |
| 7637321 | Apparatus and method for unsticking a downhole tool | Richard Meehan, Bunker Hill | 2009-12-29 |
| 7584786 | Apparatus and method for formation evaluation | Raymond V. Nold, III, Steve Ervin, Christopher S. Del Campo, Stephane Briquet | 2009-09-08 |
| 7484563 | Formation evaluation system and method | Christopher S. Del Campo, Ricardo Vasques | 2009-02-03 |
| 7458419 | Apparatus and method for formation evaluation | Raymond V. Nold, III, Steve Ervin, Christopher S. Del Campo, Stephane Briquet | 2008-12-02 |
| 7431075 | Propellant fracturing of wells | James E. Brooks, Philip Kneisl, Mark C. Duhon, Alfredo Fayard | 2008-10-07 |
| 7409992 | Perforating gun | Vadim Akhmadikin, Wenbo Yang, Brenden M. Grove | 2008-08-12 |
| 7331223 | Method and apparatus for fast pore pressure measurement during drilling operations | — | 2008-02-19 |
| 7185699 | Water compatible hydraulic fluids | Jian Zhou, Christopher S. Del Campo, Golchehreh Salamat, Diankui Fu, Jese C. Lee | 2007-03-06 |