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Douglas Grant
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College Station, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Double Rod Lock System
Patent number
10,669,847
Issue date
Jun 2, 2020
Schlumberger Technology Corporation
Marius Smarandache
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole sampling tool with check valve piston
Patent number
10,487,652
Issue date
Nov 26, 2019
Schlumberger Technology Corporation
Marius Smarandache
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for obtaining nuclear magnetic resonance measurem...
Patent number
9,459,330
Issue date
Oct 4, 2016
Schlumberger Technology Corporation
Robert Freedman
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus, method and system for measuring formation pressure and m...
Patent number
9,097,106
Issue date
Aug 4, 2015
Schlumberger Technology Corporation
Elizabeth B. Dussan V
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods of determining fluid properties
Patent number
8,910,514
Issue date
Dec 16, 2014
Schlumberger Technology Corporation
Matthew T. Sullivan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Friction reduction mechanism for a downhole release assembly
Patent number
8,807,228
Issue date
Aug 19, 2014
Schlumberger Technology Corporation
Brandon Martin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole mixing device for mixing a first fluid with a second fluid
Patent number
8,708,049
Issue date
Apr 29, 2014
Schlumberger Technology Corporation
Jimmy Lawrence
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluidic density measurements based on beta particles detection
Patent number
8,586,913
Issue date
Nov 19, 2013
Schlumberger Technology Corporation
Zilu Zhou
G01 - MEASURING TESTING
Information
Patent Grant
Downhole fluid injection
Patent number
8,561,698
Issue date
Oct 22, 2013
Schlumberger Technology Corporation
Edward Harrigan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Measurements in non-invaded formations
Patent number
8,471,560
Issue date
Jun 25, 2013
Schlumberger Technology Corporation
Robert Freedman
G01 - MEASURING TESTING
Information
Patent Grant
High pressure/high temperature magnetic resonance tool
Patent number
7,683,613
Issue date
Mar 23, 2010
Schlumberger Technology Corporation
Robert Freedman
G01 - MEASURING TESTING
Information
Patent Grant
Non-conductive and non-magnetic flowline for electromagnetic measur...
Patent number
7,624,794
Issue date
Dec 1, 2009
Schlumberger Technology Corporation
Robert Freedman
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for sensing downhole parameters
Patent number
7,278,480
Issue date
Oct 9, 2007
Schlumberger Technology Corporation
Colin Longfield
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for controlling the pressure of fluid within a...
Patent number
7,198,105
Issue date
Apr 3, 2007
Schlumberger Technology Corporation
Douglas W. Grant
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for controlling the pressure of fluid within a...
Patent number
7,140,436
Issue date
Nov 28, 2006
Schlumberger Technology Corporation
Douglas W. Grant
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DOWNHOLE SAMPLING TOOL WITH CHECK VALVE PISTON
Publication number
20180051560
Publication date
Feb 22, 2018
SCHLUMBERGER TECHNOLOGY CORPORATION
Marius Smarandache
E21 - EARTH DRILLING MINING
Information
Patent Application
Double Rod Lock System
Publication number
20170175525
Publication date
Jun 22, 2017
SCHLUMBERGER TECHNOLOGY CORPORATION
Marius Smarandache
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR OBTAINING NUCLEAR MAGNETIC RESONANCE MEASUREM...
Publication number
20140253116
Publication date
Sep 11, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
Robert Freedman
G01 - MEASURING TESTING
Information
Patent Application
FRICTION REDUCTION MECHANISM FOR A DOWNHOLE RELEASE ASSEMBLY
Publication number
20130255964
Publication date
Oct 3, 2013
Brandon Martin
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS, METHOD AND SYSTEM FOR MEASURING FORMATION PRESSURE AND M...
Publication number
20130255367
Publication date
Oct 3, 2013
ELIZABETH B. DUSSAN
E21 - EARTH DRILLING MINING
Information
Patent Application
Systems and Methods of Determining Fluid Properties
Publication number
20130219997
Publication date
Aug 29, 2013
Matthew T. Sullivan
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE MIXING DEVICE FOR MIXING A FIRST FLUID WITH A SECOND FLUID
Publication number
20120273203
Publication date
Nov 1, 2012
SCHLUMBERGER TECHNOLOGY CORPORATION
Jimmy Lawrence
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUIDIC DENSITY MEASUREMENTS BASED ON BETA PARTICLES DETECTION
Publication number
20120175510
Publication date
Jul 12, 2012
SCHLUMBERGER TECHNOLOGY CORPORATION
Zilu Zhou
G01 - MEASURING TESTING
Information
Patent Application
MEASUREMENTS IN NON-INVADED FORMATIONS
Publication number
20110068787
Publication date
Mar 24, 2011
Robert Freedman
E21 - EARTH DRILLING MINING
Information
Patent Application
High Pressure/High Temperature Magnetic Resonance Tool
Publication number
20090128144
Publication date
May 21, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
Robert Freedman
G01 - MEASURING TESTING
Information
Patent Application
Non-Conductive and Non-Magnetic Flowline for Electromagnetic Measur...
Publication number
20080035332
Publication date
Feb 14, 2008
SCHLUMBERGER TECHNOLOGY CORPORATION
Robert Freedman
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHOD FOR SENSING DOWNHOLE PARAMETERS
Publication number
20060219401
Publication date
Oct 5, 2006
SCHLUMBERGER TECHNOLOGY CORPORATION
Colin Longfield
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and method for controlling the pressure of fluid within a...
Publication number
20060054323
Publication date
Mar 16, 2006
SCHLUMBERGER TECHNOLOGY CORPORATION
Douglas W. Grant
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and Method for Controlling the Pressure of Fluid within a...
Publication number
20040216874
Publication date
Nov 4, 2004
Douglas W. Grant
E21 - EARTH DRILLING MINING