Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9109439 | Wellbore telemetry system and method | Remi Hutin, Raghu Madhavan, David Santoso | 2015-08-18 |
| 9097102 | Downhole coring tools and methods of coring | Richard D. Ward, Mark Milkovisch, Warren Askew, Gokhan Erol, Bo Yang +2 more | 2015-08-04 |
| 8164476 | Wellbore telemetry system and method | Remi Hutin, Raghu Madhavan, David Santoso | 2012-04-24 |
| 8156801 | Flow metering device | Céline Gabard-Cuoq, Gilles Roux | 2012-04-17 |
| 8000171 | Seismic sensor housing | Harvey Ray Grimes, Gunnar A. Lindeman, Jon Mangus Soerli, Kenneth Pedersen, Anders Falke Roeraas +3 more | 2011-08-16 |
| 7311142 | Apparatus and method for aquiring information while drilling | Patrick Fisseler, Tom Palmer, James Mather, Colin Longfield, Richard Meehan +1 more | 2007-12-25 |
| 7263880 | Method for measuring formation properties with a time-limited formation test | Julian Pop, Jean-Marc Follini | 2007-09-04 |
| 7133325 | Apparatus and method for generating electrical power in a borehole | Spyro Kotsonis, Jacques Orban | 2006-11-07 |
| 7114562 | Apparatus and method for acquiring information while drilling | Patrick Fisseler, Tom Palmer, James Mather, Colin Longfield, Richard Meehan +1 more | 2006-10-03 |
| 7040415 | Downhole telemetry system and method | Bruce W. Boyle, Nicolas Pacault, Remi Hutin, Raghu Madhavan, Jacques Jundt | 2006-05-09 |
| 6944935 | Method of forming an optimized fiber reinforced liner on a rotor with a motor | — | 2005-09-20 |
| 6827149 | Method and apparatus for conveying a tool in a borehole | — | 2004-12-07 |
| 6769487 | Apparatus and method for actively cooling instrumentation in a high temperature environment | — | 2004-08-03 |
| 6761230 | Downhole drilling apparatus and method for using same | Barry W. Cross, Mario Araya, Keith Moriarty, Kenneth W. Turner | 2004-07-13 |
| 6662110 | Drilling rig closed loop controls | Saad Bargach | 2003-12-09 |
| 6604922 | Optimized fiber reinforced liner material for positive displacement drilling motors | — | 2003-08-12 |
| 6453239 | Method and apparatus for borehole surveying | Ichiro Shirasaka, Kirby G. Schrader | 2002-09-17 |
| 6378363 | Method for obtaining leak-off test and formation integrity test profiles from limited downhole pressure measurements | Iain Rezmer-Cooper, Kais Gzara | 2002-04-30 |
| 6308137 | Method and apparatus for communication with a downhole tool | William Brian Underhill, Cengiz Esmersoy, Brian Clark | 2001-10-23 |
| 6220087 | Method for determining equivalent static mud density during a connection using downhole pressure measurements | Iain Rezmer-Cooper, Kais Gzara, Mark Hutchinson | 2001-04-24 |
| 5432699 | Motion compensation apparatus and method of gyroscopic instruments for determining heading of a borehole | Pierre Moulin, Wayne J. Phillips | 1995-07-11 |
| 4879463 | Method and apparatus for subsurface formation evaluation | Peter Wraight, Edouard Marienbach, Erik Rhein-Knudsen, Mike Evans | 1989-11-07 |
| 4814609 | Methods and apparatus for safely measuring downhole conditions and formation characteristics while drilling a borehole | Peter Wraight, Edouard Marienbach, Erik Rhein-Knudsen, Mike Evans | 1989-03-21 |
| 4402219 | Apparatus for detecting the stuck point of drill pipes in a borehole | — | 1983-09-06 |