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Philip Cheung
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Montesson, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Fluid sensor and method of using same
Patent number
8,893,782
Issue date
Nov 25, 2014
Schlumberger Technology Corporation
Philip S. Cheung
G01 - MEASURING TESTING
Information
Patent Grant
System and method for imaging properties of subterranean formations
Patent number
8,754,651
Issue date
Jun 17, 2014
Schlumberger Technology Corporation
Tarek Habashy
G01 - MEASURING TESTING
Information
Patent Grant
Systems and methods for investigating a formation surrounding a bor...
Patent number
8,718,942
Issue date
May 6, 2014
Schlumberger Technology Corporation
Philip S. Cheung
G01 - MEASURING TESTING
Information
Patent Grant
Device and method of determining rate of penetration and rate of ro...
Patent number
8,571,796
Issue date
Oct 29, 2013
Schlumberger Technology Corporation
Roel Van Os
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods of correcting accelerometer and magnetometer measurements
Patent number
8,473,211
Issue date
Jun 25, 2013
Schlumberger Technology Corporation
Philip Cheung
G01 - MEASURING TESTING
Information
Patent Grant
Device and method of measuring depth and azimuth
Patent number
7,873,475
Issue date
Jan 18, 2011
Schlumberger Technology Corporation
Roel Van Os
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for obtaining images of a borehole
Patent number
7,751,038
Issue date
Jul 6, 2010
Schlumberger Technology Corporation
Patrick Vessereau
G02 - OPTICS
Information
Patent Grant
Borehole imaging
Patent number
7,646,480
Issue date
Jan 12, 2010
Schlumberger Technology Corporation
Patrick Vessereau
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for improved depth matching of borehole images...
Patent number
7,346,454
Issue date
Mar 18, 2008
Schlumberger Technology Corporation
Gilles Mathieu
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for imaging earth formation
Patent number
7,265,553
Issue date
Sep 4, 2007
Schlumberger Technology Corporation
Philip Cheung
G01 - MEASURING TESTING
Information
Patent Grant
Formation imaging while drilling in non-conductive fluids
Patent number
7,242,194
Issue date
Jul 10, 2007
Schlumberger Technology Corporation
Andrew J. Hayman
G01 - MEASURING TESTING
Information
Patent Grant
Method and a tool for electrically investigating a wall of a boreho...
Patent number
7,119,544
Issue date
Oct 10, 2006
Schlumberger Technology Corporation
Andrew Hayman
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for investigating the wall of a borehole
Patent number
6,919,724
Issue date
Jul 19, 2005
Schlumberger Technology Corporation
Philip Cheung
G01 - MEASURING TESTING
Information
Patent Grant
Conductive pad around electrodes for investigating the wall of a bo...
Patent number
6,891,377
Issue date
May 10, 2005
Schlumberger Technology Corporation
Philip Cheung
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for determining a depth correction for a loggi...
Patent number
5,522,260
Issue date
Jun 4, 1996
Schlumberger Technology Corporation
Herve Chappellat
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for determining fluid mobility characteristics of earth form...
Patent number
4,964,101
Issue date
Oct 16, 1990
Schlumberger Technology Corp.
Hsui-lin Liu
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Fluid Sensor and Method of Using Same
Publication number
20130037263
Publication date
Feb 14, 2013
SCHLUMBERGER TECHNOLOGY CORPORATION
Philip S. Cheung
G01 - MEASURING TESTING
Information
Patent Application
SYSTEMS AND METHODS FOR INVESTIGATING A FORMATION SURROUNDING A BOR...
Publication number
20120290210
Publication date
Nov 15, 2012
Philip Cheung
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM AND METHOD FOR IMAGING PROPERTIES OF SUBTERRANEAN FORMATIONS
Publication number
20120119744
Publication date
May 17, 2012
Tarek Habashy
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICE AND METHOD OF DETERMINING RATE OF PENETRATION AND RATE OF RO...
Publication number
20110172923
Publication date
Jul 14, 2011
Roel Van Os
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods of Correcting Accelerometer and Magnetometer Measurements
Publication number
20090157341
Publication date
Jun 18, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
Philip Cheung
E21 - EARTH DRILLING MINING
Information
Patent Application
Device and Method of Measuring Depth and Azimuth
Publication number
20090012710
Publication date
Jan 8, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
Roel Van Os
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and Method for Obtaining Images of a Borehole
Publication number
20070296810
Publication date
Dec 27, 2007
SCHLUMBERGER TECHNOLOGY CORPORATION
Patrick Vessereau
E21 - EARTH DRILLING MINING
Information
Patent Application
Borehole Imaging
Publication number
20070242265
Publication date
Oct 18, 2007
SCHLUMBERGER TECHNOLOGY CORPORATION
Patrick Vessereau
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for imaging earth formation
Publication number
20070030008
Publication date
Feb 8, 2007
Philip Cheung
G01 - MEASURING TESTING
Information
Patent Application
Method and apparatus for improved depth matching of borehole images...
Publication number
20060031017
Publication date
Feb 9, 2006
SCHLUMBERGER TECHNOLOGY CORPORATION
Gilles Mathieu
G01 - MEASURING TESTING
Information
Patent Application
Phase discrimination for micro electrical measurement in non-conduc...
Publication number
20050179437
Publication date
Aug 18, 2005
SCHLUMBERGER TECHNOLOGY CORPORATION
Andrew Hayman
G01 - MEASURING TESTING
Information
Patent Application
Formation imaging while drilling in non-conductive fluids
Publication number
20040245991
Publication date
Dec 9, 2004
Andrew J. Hayman
G01 - MEASURING TESTING
Information
Patent Application
Method and apparatus for investigating the wall of a borehole
Publication number
20030173968
Publication date
Sep 18, 2003
Philip Cheung
G01 - MEASURING TESTING
Information
Patent Application
Logging sonde for electrically exploring geological formations thro...
Publication number
20030164705
Publication date
Sep 4, 2003
Philip Cheung
G01 - MEASURING TESTING