Inventor
STOLLER CHRISTIAN
US111 patents
⚠️ This page may combine multiple inventors who share the name “STOLLER CHRISTIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
34 patentsUS7564948B2Jul 21, 2009
High voltage x-ray generator and related oil well formation analysis apparatus and method
SCHLUMBERGER TECHNOLOGY CORP60 citations97
US5699246ADec 16, 1997
Method to estimate a corrected response of a measurement apparatus relative to a set of known responses and observed measurements
SCHLUMBERGER TECHNOLOGY CORP98 citations97
US4937446AJun 26, 1990
Carbon/oxygen well logging method and apparatus
SCHLUMBERGER TECHNOLOGY CORP83 citations96
US7073378B2Jul 11, 2006
Integrated logging tool for borehole
SCHLUMBERGER TECHNOLOGY CORP53 citations94
US5360975ANov 1, 1994
Method of gain regulation for downhole spectroscopy tools without using a calibration source
SCHLUMBERGER TECHNOLOGY CORP48 citations93
US7991111B2Aug 2, 2011
High voltage x-ray generator and related oil well formation analysis apparatus and method
SCHLUMBERGER TECHNOLOGY CORP15 citations92
US7817781B2Oct 19, 2010
High voltage X-ray generator and related oil well formation analysis
SCHLUMBERGER TECHNOLOGY CORP14 citations92
US7668293B2Feb 23, 2010
High voltage x-ray generator and related oil well formation analysis apparatus and method
SCHLUMBERGER TECHNOLOGY CORP14 citations92
US7365307B2Apr 29, 2008
Sigma/porosity tools with neutron monitors
SCHLUMBERGER TECHNOLOGY CORP48 citations92
US5884234AMar 16, 1999
Method for pulse shape regulation and discrimination in a nuclear spectroscopy system
SCHLUMBERGER TECHNOLOGY CORP44 citations92
US5521378AMay 28, 1996
Method and apparatus for gamma ray logging of underground formations
SCHLUMBERGER TECHNOLOGY CORP30 citations92
US5369578ANov 29, 1994
Method and apparatus for using non-linear spectral fitting procedures on gamma-ray spectral data
SCHLUMBERGER TECHNOLOGY CORP41 citations92
US5105080AApr 14, 1992
Method and apparatus for determining the respective contributions of borehole and earth formation in gamma ray spectroscopy
SCHLUMBERGER TECHNOLOGY CORP42 citations92
US5081351AJan 14, 1992
Method and apparatus for borehole correction in capture gamma ray spectroscopy measurements
SCHLUMBERGER TECHNOLOGY CORP48 citations92
US5055676AOct 8, 1991
Method for determining oil and water saturation in earth formation surrounding a borehole
SCHLUMBERGER TECHNOLOGY CORP43 citations92
US5045693ASep 3, 1991
Carbon/oxygen well logging method and apparatus
SCHLUMBERGER TECHNOLOGY CORP26 citations92
US7633058B2Dec 15, 2009
Hermetically sealed packaging and neutron shielding for scintillation-type radiation detectors
SCHLUMBERGER TECHNOLOGY CORP28 citations91
US7334465B2Feb 26, 2008
Integrated logging tool for borehole
SCHLUMBERGER TECHNOLOGY CORP26 citations91
US5912460AJun 15, 1999
Method for determining formation density and formation photo-electric factor with a multi-detector-gamma-ray tool
SCHLUMBERGER TECHNOLOGY CORP53 citations90
US5841135ANov 24, 1998
Method and apparatus for measuring formation density and the formation photo-electric factor with a multi-detector gamma-gamma tool
SCHLUMBERGER TECHNOLOGY CORP37 citations90
US6781115B2Aug 24, 2004
Subsurface radiation phenomena detection with combined and azimuthally sensitive detectors
SCHLUMBERGER TECHNOLOGY CORP46 citations87
US7285772B2Oct 23, 2007
Logging tool with a parasitic radiation shield and method of logging with such a tool
SCHLUMBERGER TECHNOLOGY CORP26 citations86
US7081616B2Jul 25, 2006
Downhole gamma-ray detection
SCHLUMBERGER TECHNOLOGY CORP33 citations86
US9310515B2Apr 12, 2016
Method for using neutron interaction cross section to interpret neutron measurements
SCHLUMBERGER TECHNOLOGY CORP6 citations84
US7361886B2Apr 22, 2008
Corrections of gamma-ray responses
SCHLUMBERGER TECHNOLOGY CORP14 citations84
US9823384B1Nov 21, 2017
Mud activation measurement while drilling
SCHLUMBERGER TECHNOLOGY CORP11 citations83
US8975574B2Mar 10, 2015
Well-logging tool with azimuthal and spectral radiation detectors and related methods
SCHLUMBERGER TECHNOLOGY CORP10 citations83
US7432499B2Oct 7, 2008
Method and apparatus for detecting while drilling underbalanced the presence and depth of water produced from the formation
SCHLUMBERGER TECHNOLOGY CORP13 citations83
US7321123B2Jan 22, 2008
Method and apparatus for radiation detection in a high temperature environment
SCHLUMBERGER TECHNOLOGY CORP11 citations80
US10866337B2Dec 15, 2020
X-ray downhole tool with at least two targets and at least one measurement detector
SCHLUMBERGER TECHNOLOGY CORP3 citations73
US10866336B2Dec 15, 2020
Formation imaging using neutron activation
SCHLUMBERGER TECHNOLOGY CORP2 citations73
US10564311B2Feb 18, 2020
Formation imaging using neutron activation
SCHLUMBERGER TECHNOLOGY CORP5 citations73
US9952348B2Apr 24, 2018
Compensated sigma from measurements made by a pulsed neutron instrument
SCHLUMBERGER TECHNOLOGY CORP2 citations73
US9798037B2Oct 24, 2017
Compensated sigma from measurements made by a pulsed neutron instrument
SCHLUMBERGER TECHNOLOGY CORP3 citations73
STOLLER CHRISTIAN
6 patentsUS8173953B2May 8, 2012
Gain stabilization of gamma-ray scintillation detector
STOLLER CHRISTIAN26 citations92
US8076634B2Dec 13, 2011
Neutron shielding for downhole tool
STOLLER CHRISTIAN20 citations92
US8299420B2Oct 30, 2012
Neutron shielding for downhole tool
STOLLER CHRISTIAN9 citations84
US8093550B2Jan 10, 2012
Determining downhole fluid flow
STOLLER CHRISTIAN12 citations84
US8969793B2Mar 3, 2015
Downhole neutron activation measurement
STOLLER CHRISTIAN8 citations82
US9329302B2May 3, 2016
Use of spectral information to extend temperature range of gamma-ray detector
STOLLER CHRISTIAN6 citations73
EVANS MICHAEL
3 patentsGROVES JOEL L
1 patentSIMON MATTHIEU
1 patentSAENGER RICHARD
1 patentBERHEIDE MARKUS
1 patentSTEPHENSON KENNETH E
1 patentREIJONEN JANI
1 patentZHOU TONG
1 patentShowing the top 50 of 111 patents by PatentIndex Score.