| 10845502 |
Optimization of neutron-gamma tools for inelastic gamma-ray logging |
David Rose, Avtandil Tkabladze, Christian Stoller, John J. Simonetti |
2020-11-24 |
$71,234,000 |
| 10162079 |
Neutron-gamma density through normalized inelastic ratio |
Avtandil Tkabladze, Michael Evans |
2018-12-25 |
|
| 10145979 |
Gamma-ray detectors for downhole applications |
Bradley A. Roscoe, James A. Grau, Zilu Zhou, Markus Berheide |
2018-12-04 |
$55,703,000 |
| 9897719 |
Optimization of neutron-gamma tools for inelastic-gamma ray logging |
David Rose, Avtandil Tkabladze, Christian Stoller, Donna Simonetti |
2018-02-20 |
$44,957,000 |
| 9715022 |
Scintillation detector package having radioactive support apparatus |
Wolfgang Ziegler, Christian Stoller |
2017-07-25 |
$31,416,000 |
| 9671519 |
Neutron-gamma density through normalized inelastic ratio |
Avtandil Tkabladze, Michael Evans |
2017-06-06 |
$31,677,000 |
| 9659740 |
Radiation generator adjusting beam focusing based upon a diagnostic electrode |
Matthieu Simon |
2017-05-23 |
$26,988,000 |
| 9599729 |
Gamma-ray detectors for downhole applications |
Bradley A. Roscoe, James A. Grau, Zilu Zhou, Markus Berheide |
2017-03-21 |
$49,045,000 |
| 9568638 |
Identification of neutron capture from a pulsed neutron logging tool |
John Barry Fitzgerald |
2017-02-14 |
$49,850,000 |
| 9395464 |
Scintillation detector package having radioactive reflective material therein |
Wolfgang Ziegler |
2016-07-19 |
$39,317,000 |
| 9394781 |
Logging-while-drilling tool incorporating electronic radiation generator and method for using same |
Matthieu Simon, Peter Wraight, Christian Stoller, Andrew Bazarko |
2016-07-19 |
$39,317,000 |
| 9357629 |
Neutron generator |
— |
2016-05-31 |
$52,407,000 |
| 9310491 |
Scintillator with tapered geometry for radiation detectors |
— |
2016-04-12 |
$36,279,000 |
| 9263222 |
Target extender in radiation generator |
Frederic Gicquel |
2016-02-16 |
$56,721,000 |
| 9053893 |
Radiation generator having bi-polar electrodes |
Jani Reijonen, Frederic Gicquel, Joel L. Groves, Peter Wraight |
2015-06-09 |
$44,885,000 |
| 8912484 |
Photomultipler-based neutron detector |
Roman Vladimirovich Korkin, Wolfgang Ziegler |
2014-12-16 |
$52,564,000 |
| 8901483 |
Gamma-ray detectors for downhole applications |
Bradley A. Roscoe, James A. Grau, Zilu Zhou, Markus Berheide |
2014-12-02 |
$25,049,000 |
| 8853617 |
Photomultiplier for well-logging tool |
— |
2014-10-07 |
$43,184,000 |
| 8822912 |
Ion source having increased electron path length |
Jani Reijonen, Irina Molodetsky |
2014-09-02 |
$107,470,000 |
| 8785841 |
Scintillation detector package having radioactive window therein |
Wolfgang Ziegler |
2014-07-22 |
$35,758,000 |
| 8779351 |
Ion source employing secondary electron generation |
Jani Reijonen, Irina Molodetsky |
2014-07-15 |
$30,380,000 |
| 8742328 |
Logging-while-drilling tool incorporating electronic radiation generator and method for using same |
Matthieu Simon, Peter Wraight, Christian Stoller, Andrew Bazarko |
2014-06-03 |
$43,328,000 |
| 8612193 |
Processing and interpretation of real-time data from downhole and surface sensors |
Bhavani Raghuraman, Terizhandur S. Ramakrishnan, Lalitha Venkataramanan, Jose Navarro |
2013-12-17 |
$37,234,000 |
| 7960687 |
Sourceless downhole X-ray tool |
Matthieu Simon |
2011-06-14 |
$93,164,000 |
| 7791017 |
Method to simultaneously determine pore hydrocarbon density and water saturation from pulsed neutron measurements |
John Barry Fitzgerald |
2010-09-07 |
$67,109,000 |
