Issued Patents All Time
Showing 76–100 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8143570 | Method and apparatus for detecting while drilling underbalanced the presence and depth of water produced from the formation | John Edwards, Peter Wraight, Roger Griffiths, Nicolas Renoux | 2012-03-27 |
| 8093550 | Determining downhole fluid flow | — | 2012-01-10 |
| 8076634 | Neutron shielding for downhole tool | — | 2011-12-13 |
| 8035321 | Injector for betatron | Felix Chen, Olivier Philip, Luke T. Perkins | 2011-10-11 |
| 8000899 | Borehole invariant porosity measurement method | Francoise Allioli | 2011-08-16 |
| 7991111 | High voltage x-ray generator and related oil well formation analysis apparatus and method | Peter Wraight, Arthur J. Becker, Joel L. Groves | 2011-08-02 |
| 7916838 | Betatron bi-directional electron injector | Luke T. Perkins, Sicco Beekman | 2011-03-29 |
| 7902495 | Method and apparatus for radiation detection in a high temperature environment | John J. Simonetti, Joel L. Groves, Wolfgang Ziegler, Arthur D. Liberman | 2011-03-08 |
| 7817781 | High voltage X-ray generator and related oil well formation analysis | Peter Wraight, Arthur J. Becker, Joel L. Groves | 2010-10-19 |
| 7668293 | High voltage x-ray generator and related oil well formation analysis apparatus and method | Peter Wraight, Arthur J. Becker, Joel L. Groves | 2010-02-23 |
| 7633058 | Hermetically sealed packaging and neutron shielding for scintillation-type radiation detectors | Bradley A. Roscoe, Olivier Philip | 2009-12-15 |
| 7566868 | Shielded pads for detecting subsurface radiation phenomena | Richard J. Radtke, Arlene O. Siefker-Radtke | 2009-07-28 |
| 7564948 | High voltage x-ray generator and related oil well formation analysis apparatus and method | Peter Wraight, Arthur J. Becker, Joel L. Groves | 2009-07-21 |
| 7432499 | Method and apparatus for detecting while drilling underbalanced the presence and depth of water produced from the formation | John Edwards, Peter Wraight, Roger Griffiths, Nicolas Renoux | 2008-10-07 |
| 7365307 | Sigma/porosity tools with neutron monitors | Peter Wraight, Robert A. Adolph | 2008-04-29 |
| 7361886 | Corrections of gamma-ray responses | Michael Evans, Charles Flaum | 2008-04-22 |
| 7339161 | Shielded pads for detecting subsurface radiation phenomena | Richard J. Radtke, Arlene O. Siefker-Radtke | 2008-03-04 |
| 7334465 | Integrated logging tool for borehole | Jan W. Smits, Michael Evans, Patrick Fisseler, Robert A. Adolph | 2008-02-26 |
| 7321123 | Method and apparatus for radiation detection in a high temperature environment | John J. Simonetti, Joel L. Groves, Wolfgang Ziegler, Art Liberman | 2008-01-22 |
| 7285772 | Logging tool with a parasitic radiation shield and method of logging with such a tool | Laurent Labous | 2007-10-23 |
| 7081616 | Downhole gamma-ray detection | Jim A. Grau, Ronald E. Plasek | 2006-07-25 |
| 7073378 | Integrated logging tool for borehole | Jan W. Smits, Michael Evans, Patrick Fisseler, Robert A. Adolph | 2006-07-11 |
| 6781115 | Subsurface radiation phenomena detection with combined and azimuthally sensitive detectors | Xavier Herve, Sunil N. Gulrajani, Peter Wraight, Verna L. Lomax, Dennis Pittman +1 more | 2004-08-24 |
| 5912460 | Method for determining formation density and formation photo-electric factor with a multi-detector-gamma-ray tool | Urmi DasGupta, Olivier Philip, Nihal Wijeyesekera, Peter Wraight | 1999-06-15 |
| 5884234 | Method for pulse shape regulation and discrimination in a nuclear spectroscopy system | Bruno Jorion | 1999-03-16 |