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Sugar Land, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Thermal management via flowline heat dissipation
Patent number
10,577,930
Issue date
Mar 3, 2020
Schlumberger Technology Corporation
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Guard filtering system for focused sampling probe
Patent number
10,215,022
Issue date
Feb 26, 2019
Schlumberger Technology Corporation
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pump operation procedure with piston position sensor
Patent number
10,024,315
Issue date
Jul 17, 2018
Schlumberger Technology Corporation
Chen Tao
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Sampling tool with a multi-port multi-position valve
Patent number
9,714,571
Issue date
Jul 25, 2017
Schlumberger Technology Corporation
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual flowline testing tool with pressure self-equalizer
Patent number
9,416,657
Issue date
Aug 16, 2016
Schlumberger Technology Corporation
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Spring assisted active mud check valve with spring
Patent number
9,359,892
Issue date
Jun 7, 2016
Schlumberger Technology Corporation
Chen Tao
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Extendable and elongating mechanism for centralizing a downhole too...
Patent number
9,163,500
Issue date
Oct 20, 2015
Schlumberger Technology Corporation
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole fluid communication apparatus and method
Patent number
8,561,686
Issue date
Oct 22, 2013
Schlumberger Technology Corporation
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole fluid communication apparatus and method
Patent number
8,220,536
Issue date
Jul 17, 2012
Schlumberger Technology Corporation
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Motor cooling radiators for use in downhole environments
Patent number
8,100,195
Issue date
Jan 24, 2012
Schlumberger Technology Corporation
Chen Tao
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Thermal Management via Flowline Heat Dissipation
Publication number
20170152735
Publication date
Jun 1, 2017
SCHLUMBERGER TECHNOLOGY CORPORATION
Chen Tao
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Guard Filtering System For Focused Sampling Probe
Publication number
20160341039
Publication date
Nov 24, 2016
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Application
Reciprocating Pump Piston Control
Publication number
20160177714
Publication date
Jun 23, 2016
Chen Tao
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Pump Operation Procedure with Piston Position Sensor
Publication number
20160177942
Publication date
Jun 23, 2016
SCHLUMBERGER TECHNOLOGY CORPORATION
Chen Tao
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Flow Rate From Displacement Unit Piston Position
Publication number
20150142321
Publication date
May 21, 2015
SCHLUMBERGER TECHNOLOGY CORPORATION
Adriaan Gisolf
E21 - EARTH DRILLING MINING
Information
Patent Application
Sampling Tool With A Multi-Port Multi-Position Valve
Publication number
20140299383
Publication date
Oct 9, 2014
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Application
DUAL FLOWLINE TESTING TOOL WITH PRESSURE SELF-EQUALIZER
Publication number
20140157883
Publication date
Jun 12, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
CHEN TAO
E21 - EARTH DRILLING MINING
Information
Patent Application
SPRING ASSISTED ACTIVE MUD CHECK VALVE WITH SPRING
Publication number
20140158228
Publication date
Jun 12, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Application
Centralizing Mechanism Employable with a Downhole Tool
Publication number
20130081803
Publication date
Apr 4, 2013
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE FLUID COMMUNICATION APPARATUS AND METHOD
Publication number
20110284212
Publication date
Nov 24, 2011
SCHLUMBERGER TECHNOLOGY CORPORATION
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Application
MOTOR COOLING RADIATORS FOR USE IN DOWNHOLE ENVIRONMENTS
Publication number
20100300751
Publication date
Dec 2, 2010
Chen Tao
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
DOWNHOLE FLUID COMMUNICATION APPARATUS AND METHOD
Publication number
20100155053
Publication date
Jun 24, 2010
Chen Tao
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Fluid Communication Apparatus and Method
Publication number
20070151727
Publication date
Jul 5, 2007
SCHLUMBERGER TECHNOLOGY CORPORATION
Chen Tao
E21 - EARTH DRILLING MINING