Patent | Date |
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Radiation generator and power supply configuration for well logging instruments Grant 10,185,053 - Roscoe Ja | 2019-01-22 |
Thermally-protected scintillation detector Grant 9,835,736 - Stoller , et al. December 5, 2 | 2017-12-05 |
Radiation Generator And Power Supply Configuration For Well Logging Instruments App 20160320522 - Roscoe; Bradley A. | 2016-11-03 |
Neutron porosity downhole tool with improved precision and reduced lithology effects Grant 9,372,277 - Wraight , et al. June 21, 2 | 2016-06-21 |
Scintillator-based neutron detector for oilfield applications Grant 9,304,226 - Berheide , et al. April 5, 2 | 2016-04-05 |
Apparatus and method for detecting radiation Grant 9,217,793 - Zhou , et al. December 22, 2 | 2015-12-22 |
Thermally-Protected Scintillation Detector App 20150185336 - Stoller; Christian ;   et al. | 2015-07-02 |
Downhole Neutron Activation Measurement App 20150168592 - Stoller; Christian ;   et al. | 2015-06-18 |
System and method for correction of borehole effects in a neutron porosity measurement Grant 9,031,790 - Thornton , et al. May 12, 2 | 2015-05-12 |
Elpasolite Scintillator-based Neutron Detector For Oilfield Applications App 20140319330 - Berheide; Markus ;   et al. | 2014-10-30 |
Scintillator-based Neutron Detector For Oilfield Applications App 20140124659 - Berheide; Markus ;   et al. | 2014-05-08 |
Apparatus And Method For Detecting Radiation App 20140117246 - ZHOU; ZILU ;   et al. | 2014-05-01 |
Downhole tools with solid-state neutron monitors Grant 8,642,944 - Saenger , et al. February 4, 2 | 2014-02-04 |
Fluidic density measurements based on beta particles detection Grant 8,586,913 - Zhou , et al. November 19, 2 | 2013-11-19 |
Gamma-ray detectors for downhole applications Grant 8,431,885 - Roscoe , et al. April 30, 2 | 2013-04-30 |
Nano-tips based gas ionization chamber for neutron detection Grant 8,319,175 - Zhou , et al. November 27, 2 | 2012-11-27 |
Fluidic Density Measurements Based On Beta Particles Detection App 20120175510 - Zhou; Zilu ;   et al. | 2012-07-12 |
Nano-tips Based Gas Ionization Chamber For Neutron Detection App 20120049054 - Zhou; Zilu ;   et al. | 2012-03-01 |
Gamma-ray Detectors For Downhole Applications App 20110284731 - Roscoe; Bradley A. ;   et al. | 2011-11-24 |
Neutron Porosity Downhole Tool With Improved Precision And Reduced Lithology Effects App 20110260044 - Wraight; Peter ;   et al. | 2011-10-27 |
System And Method For Correction Of Borehole Effects In A Neutron Porosity Measurement App 20110238313 - Thornton; James ;   et al. | 2011-09-29 |
LuAP scintillator Grant 7,591,894 - Becker , et al. September 22, 2 | 2009-09-22 |
Downhole Tools with Solid-State Neutron Monitors App 20090057545 - Saenger; Richard ;   et al. | 2009-03-05 |
LuAP Scintillator App 20080121817 - Becker; Arthur J. ;   et al. | 2008-05-29 |
Well logging apparatus and method for measuring formation properties Grant 7,148,471 - Roscoe , et al. December 12, 2 | 2006-12-12 |
Well logging apparatus and method for measuring formation properties App 20020170348 - Roscoe, Bradley A. ;   et al. | 2002-11-21 |
Accelerator-based methods and apparatus for measurement-while-drilling Grant RE36,012 - Loomis , et al. December 29, 1 | 1998-12-29 |
Cadmium zinc telluride borehole detector Grant 5,528,495 - Roscoe June 18, 1 | 1996-06-18 |
Methods and apparatus for determining formation lithology by gamma ray spectroscopy Grant 5,440,118 - Roscoe August 8, 1 | 1995-08-08 |
Method and apparatus for using non-linear spectral fitting procedures on gamma-ray spectral data Grant 5,369,578 - Roscoe , et al. November 29, 1 | 1994-11-29 |
Broad energy spectra neutron source for logging and method Grant 5,097,123 - Grau , et al. * March 17, 1 | 1992-03-17 |
Analysis of nuclear data for determining characteristics of earth formations traversed by a borehole Grant 5,086,224 - Roscoe , et al. February 4, 1 | 1992-02-04 |
Method and apparatus for borehole correction in capture gamma ray spectroscopy measurements Grant 5,081,351 - Roscoe , et al. January 14, 1 | 1992-01-14 |
Method for determining oil and water saturation in earth formation surrounding a borehole Grant 5,055,676 - Roscoe , et al. * October 8, 1 | 1991-10-08 |