Patent | Date |
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High Voltage Supply For Compact Radiation Generator App 20220115157 - Perkins; Luke T. ;   et al. | 2022-04-14 |
High voltage supply for compact radiation generator Grant 11,189,389 - Perkins , et al. November 30, 2 | 2021-11-30 |
High Voltage Supply For Compact Radiation Generator App 20200098485 - Perkins; Luke T. ;   et al. | 2020-03-26 |
High voltage supply for compact radiation generator Grant 10,490,312 - Perkins , et al. Nov | 2019-11-26 |
Integrated coupling of scintillation crystal with photomultiplier in a detector apparatus Grant 10,436,918 - Stephenson , et al. O | 2019-10-08 |
Method and apparatus to identify functional issues of a neutron radiation generator Grant 10,271,417 - Groves , et al. | 2019-04-23 |
Compact radiation generator Grant 10,229,765 - Groves , et al. | 2019-03-12 |
Installation for intervention in a well comprising a neutron generator, and method associated therewith Grant 10,174,608 - Chatelet , et al. J | 2019-01-08 |
High Voltage Supply For Compact Radiation Generator App 20180261349 - Perkins; Luke T. ;   et al. | 2018-09-13 |
Integrated Coupling Of Scintillation Crystal With Photomultiplier In A Detector Apparatus App 20180210095 - Stephenson; Ken ;   et al. | 2018-07-26 |
High voltage supply for compact radiation generator Grant 9,947,426 - Perkins , et al. April 17, 2 | 2018-04-17 |
Integrated coupling of scintillation crystal with photomultiplier in a detector apparatus Grant 9,880,295 - Stephenson , et al. January 30, 2 | 2018-01-30 |
An Installation For Intervention In A Well Comprising A Neutron Generator, And Method Associated Therewith App 20170226848 - Chatelet; Vincent ;   et al. | 2017-08-10 |
Logging-while-drilling Tool Incorporating Electronic Radiation Generator And Method Of Using Same App 20160306070 - Simon; Matthieu ;   et al. | 2016-10-20 |
Method and apparatus to determine pressure in a neutron radiation generator Grant 9,470,817 - Groves , et al. October 18, 2 | 2016-10-18 |
Logging-while-drilling tool incorporating electronic radiation generator and method for using same Grant 9,394,781 - Simon , et al. July 19, 2 | 2016-07-19 |
Neutron porosity downhole tool with improved precision and reduced lithology effects Grant 9,372,277 - Wraight , et al. June 21, 2 | 2016-06-21 |
Method and Apparatus to Identify Functional Issues of a Neutron Radiation Generator App 20160143123 - Groves; Joel L. ;   et al. | 2016-05-19 |
Method and Apparatus to Determine Pressure in a Neutron Radiation Generator App 20160139294 - Groves; Joel L. ;   et al. | 2016-05-19 |
Mining systems and methods Grant 9,234,980 - Mathieu , et al. January 12, 2 | 2016-01-12 |
Pulsed Neutron Measurement Method And System App 20150362618 - Wraight; Peter | 2015-12-17 |
Ion source having negatively biased extractor Grant 9,184,019 - Perkins , et al. November 10, 2 | 2015-11-10 |
Electrode configuration for downhole nuclear radiation generator Grant 9,155,185 - Reijonen , et al. October 6, 2 | 2015-10-06 |
Ion source having negatively biased extractor Grant 9,129,770 - Perkins , et al. September 8, 2 | 2015-09-08 |
Ion source having negatively biased extractor Grant 9,105,436 - Perkins , et al. August 11, 2 | 2015-08-11 |
Downhole Neutron Activation Measurement App 20150168592 - Stoller; Christian ;   et al. | 2015-06-18 |
Radiation generator having bi-polar electrodes Grant 9,053,893 - Reijonen , et al. June 9, 2 | 2015-06-09 |
Well-logging tool with azimuthal and spectral radiation detectors and related methods Grant 8,975,574 - Huiszoon , et al. March 10, 2 | 2015-03-10 |
Downhole neutron activation measurement Grant 8,969,793 - Stoller , et al. March 3, 2 | 2015-03-03 |
Integrated Coupling Of Scintillation Crystal With Photomultiplier In A Detector Apparatus App 20150014544 - Stephenson; Ken ;   et al. | 2015-01-15 |
Mining Systems And Methods App 20140291499 - Mathieu; Gilles ;   et al. | 2014-10-02 |
Ion Source Having Negatively Biased Extractor App 20140263998 - Perkins; Luke ;   et al. | 2014-09-18 |
Radiation Generator Having Bi-Polar Electrodes App 20140263996 - Reijonen; Jani ;   et al. | 2014-09-18 |
Ion Source Having Negatively Biased Extractor App 20140263993 - Perkins; Luke ;   et al. | 2014-09-18 |
Ion Source Having Negatively Biased Extractor App 20140265858 - Perkins; Luke ;   et al. | 2014-09-18 |
Logging-While-Drilling Tool Incorporating Electronic Radiation Generator And Method For Using Same App 20140251690 - Simon; Matthieu ;   et al. | 2014-09-11 |
Logging-while-drilling tool incorporating electronic radiation generator and method for using same Grant 8,742,328 - Simon , et al. June 3, 2 | 2014-06-03 |
High voltage insulating sleeve for nuclear well logging Grant 8,686,348 - Chirovsky , et al. April 1, 2 | 2014-04-01 |
Non-rotating logging-while-drilling neutron imaging tool Grant 8,664,587 - Evans , et al. March 4, 2 | 2014-03-04 |
Methods for controlling ion beam and target voltage in a neutron generator for improved performance Grant 8,594,265 - Perkins , et al. November 26, 2 | 2013-11-26 |
Intrinsic radioactivity in a scintillator as count rate reference Grant 8,546,749 - Berheide , et al. October 1, 2 | 2013-10-01 |
Scintillator based radiation detection Grant 8,536,517 - Berheide , et al. September 17, 2 | 2013-09-17 |
High Voltage Supply For Compact Radiation Generator App 20130208841 - Perkins; Luke T. ;   et al. | 2013-08-15 |
Compact Radiation Generator App 20130208840 - Groves; Joel Lee ;   et al. | 2013-08-15 |
High Voltage Insulating Sleeve For Nuclear Well Logging App 20120199730 - Chirovsky; Leo ;   et al. | 2012-08-09 |
Logging-While-Drilling Tool Incorporating Electronic Radiation Generator and Method for Using Same App 20120138782 - Simon; Matthieu ;   et al. | 2012-06-07 |
Non-rotating Logging-while-drilling Neutron Imaging Tool App 20120126105 - EVANS; MICHAEL ;   et al. | 2012-05-24 |
Method and Apparatus for Detecting while Drilling Underbalanced The Presence and Depth of Water Produced from The Formation and for Measuring Parameters Related Thereto App 20120119076 - Edwards; John ;   et al. | 2012-05-17 |
Gain stabilization of gamma-ray scintillation detector Grant 8,173,953 - Stoller , et al. May 8, 2 | 2012-05-08 |
Method and apparatus for detecting while drilling underbalanced the presence and depth of water produced from the formation Grant 8,143,570 - Edwards , et al. March 27, 2 | 2012-03-27 |
Neutron Porosity Downhole Tool With Improved Precision And Reduced Lithology Effects App 20110260044 - Wraight; Peter ;   et al. | 2011-10-27 |
Downhole Neutron Activation Measurement App 20110198488 - Stoller; Chritian ;   et al. | 2011-08-18 |
High voltage x-ray generator and related oil well formation analysis apparatus and method Grant 7,991,111 - Wraight , et al. August 2, 2 | 2011-08-02 |
Electrode Configuration For Downhole Nuclear Radiation Generator App 20110114830 - Reijonen; Jani ;   et al. | 2011-05-19 |
Apparatus and method for fluid phase fraction determination using x-rays optimized for wet gas Grant 7,903,782 - Groves , et al. March 8, 2 | 2011-03-08 |
High Voltage X-Ray Generator and Related Oil Well Formation Analysis Apparatus and Method App 20110002443 - Wraight; Peter ;   et al. | 2011-01-06 |
Intrinsic Radioactivity In A Scintillator As Count Rate Reference App 20100301198 - Berheide; Markus ;   et al. | 2010-12-02 |
High voltage X-ray generator and related oil well formation analysis Grant 7,817,781 - Wraight , et al. October 19, 2 | 2010-10-19 |
Scintillator Based Radiation Detection App 20100243877 - Berheide; Markus ;   et al. | 2010-09-30 |
Gain Stabilization Of Gamma-ray Scintillation Detector App 20100116978 - Stoller; Christian ;   et al. | 2010-05-13 |
Apparatus and method for fluid phase fraction determination using x-rays Grant 7,684,540 - Groves , et al. March 23, 2 | 2010-03-23 |
Measuring mud flow velocity using pulsed neutrons Grant 7,669,468 - Wraight , et al. March 2, 2 | 2010-03-02 |
High voltage x-ray generator and related oil well formation analysis apparatus and method Grant 7,668,293 - Wraight , et al. February 23, 2 | 2010-02-23 |
X-ray tool for an oilfield fluid Grant 7,639,781 - Shampine , et al. December 29, 2 | 2009-12-29 |
Downhole imaging tool utilizing x-ray generator Grant 7,634,059 - Wraight December 15, 2 | 2009-12-15 |
High Voltage X-ray Generator And Related Oil Well Formation Analysis App 20090274276 - Wraight; Peter ;   et al. | 2009-11-05 |
High Voltage X-ray Generator And Related Oil Well Formation Analysis Apparatus And Method App 20090225949 - Wraight; Peter ;   et al. | 2009-09-10 |
Methods for Controlling Ion Beam and Target Voltage in a Neutron Generator for Improved Performance App 20090219028 - Perkins; Luke T. ;   et al. | 2009-09-03 |
High voltage x-ray generator and related oil well formation analysis apparatus and method Grant 7,564,948 - Wraight , et al. July 21, 2 | 2009-07-21 |
Apparatus and Method for Fluid Phase Fraction Determination Using R-Rays Optimized for Wet Gas App 20090161823 - Groves; Joel L. ;   et al. | 2009-06-25 |
Downhole Imaging Tool Utilizing X-Ray Generator App 20090147907 - Wraight; Peter | 2009-06-11 |
Method And Apparatus For Detecting While Drilling Underbalanced The Presence And Depth Of Water Produced From The Formation App 20090139713 - Edwards; John ;   et al. | 2009-06-04 |
Apparatus and method for well services fluid evaluation using x-rays Grant 7,542,543 - Shampine , et al. June 2, 2 | 2009-06-02 |
Apparatus and method for fluid density determination Grant 7,507,952 - Groves , et al. March 24, 2 | 2009-03-24 |
Method and apparatus for detecting while drilling underbalanced the presence and depth of water produced from the formation Grant 7,432,499 - Edwards , et al. October 7, 2 | 2008-10-07 |
High Voltage X-Ray Generator and Related Oil Well Formation Analysis Apparatus and Method App 20080159480 - Wraight; Peter ;   et al. | 2008-07-03 |
X-Ray Tool for an Oilfield Fluid App 20080152080 - Shampine; Rod ;   et al. | 2008-06-26 |
Sigma/porosity tools with neutron monitors Grant 7,365,307 - Stoller , et al. April 29, 2 | 2008-04-29 |
Apparatus and Method for Well Services Fluid Evaluation Using X-Rays App 20080069301 - Shampine; Rod ;   et al. | 2008-03-20 |
X-Ray Tool For An Oilfield Fluid App 20080069307 - Shampine; Rod ;   et al. | 2008-03-20 |
Apparatus and Method for Fluid Phase Fraction Determination Using X-Rays App 20070291898 - Groves; Joel ;   et al. | 2007-12-20 |
Apparatus And Method For Fluid Density Determination App 20070274443 - GROVES; JOEL LEE ;   et al. | 2007-11-29 |
Measuring mud flow velocity using pulsed neutrons App 20060254350 - Wraight; Peter | 2006-11-16 |
Sigma/porosity Tools With Neutron Monitors App 20060226351 - Stoller; Christian ;   et al. | 2006-10-12 |
Method and apparatus for detecting while drilling underbalanced the presence and depth of water produced from the formation App 20060180754 - Edwards; John ;   et al. | 2006-08-17 |
Subsurface radiation phenomena detection with combined and azimuthally sensitive detectors Grant 6,781,115 - Stoller , et al. August 24, 2 | 2004-08-24 |
Subsurface radiation phenomena detection with combined and azimuthally sensitive detectors App 20020153481 - Stoller, Christian ;   et al. | 2002-10-24 |
Video system and method for determining and monitoring the depth of a bottomhole assembly within a wellbore Grant 5,107,705 - Wraight , et al. April 28, 1 | 1992-04-28 |
Method and apparatus for epithermal neutron porosity well logging Grant 5,051,581 - Hertzog , et al. September 24, 1 | 1991-09-24 |
Apparatus for extracting recorded information from a logging tool Grant 4,928,088 - Jorion , et al. May 22, 1 | 1990-05-22 |