Michael Hui Du

Person

Manvel, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Integrated drilling system
- Patent number 12,163,417
- Issue date Dec 10, 2024
- Schlumberger Tehcnology Corporation
- Rachel Belleville
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cold rolling devices and cold rolled rotary shouldered connection t...
- Patent number 11,389,858
- Issue date Jul 19, 2022
- Schlumberger Technology Corporation
- Rakesh Singh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and methodology for utilizing a flow control valve
- Patent number 10,677,017
- Issue date Jun 9, 2020
- Schlumberger Technology Corporation
- Michael Hui Du
- E21 - EARTH DRILLING MINING
Information Patent Grant
Threaded connections and downhole tools incorporating the same
- Patent number 10,662,722
- Issue date May 26, 2020
- Schlumberger Technology Corporation
- Xiaoge Gan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cold rolling devices and cold rolled rotary shouldered connection t...
- Patent number 10,160,033
- Issue date Dec 25, 2018
- Schlumberger Technology Corporation
- Rakesh Singh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rotary shouldered connections and thread design
- Patent number 10,145,496
- Issue date Dec 4, 2018
- Schlumberger Technology Corporation
- Ke Ken Li
- E21 - EARTH DRILLING MINING
Information Patent Grant
Shear valve system and methodology
- Patent number 9,863,215
- Issue date Jan 9, 2018
- Schlumberger Technology Corporation
- Murali Jayaram
- E21 - EARTH DRILLING MINING
Information Patent Grant
Protector for electrical submersible pumps
- Patent number 9,528,357
- Issue date Dec 27, 2016
- Schlumberger Technology Corporation
- Michael H. Du
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Orientable eccentric downhole assembly
- Patent number 8,863,832
- Issue date Oct 21, 2014
- Schlumberger Technology Corporation
- Michael Hui Du
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pump motor protector with redundant shaft seal
- Patent number 8,807,966
- Issue date Aug 19, 2014
- Schlumberger Technology Corporation
- Michael Hui Du
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Downhole wet mate connection
- Patent number 8,752,635
- Issue date Jun 17, 2014
- Schlumberger Technology Corporation
- David Wei Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for engaging completions in a wellbore
- Patent number 8,496,064
- Issue date Jul 30, 2013
- Schlumberger Technology Corporation
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Grant
Re-settable and anti-rotational contraction joint with control lines
- Patent number 8,061,430
- Issue date Nov 22, 2011
- Schlumberger Technology Corporation
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Grant
Systems and methods for downhole completions
- Patent number 8,061,429
- Issue date Nov 22, 2011
- Schlumberger Technology Corporation
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Grant
Contraction joint system
- Patent number 7,806,190
- Issue date Oct 5, 2010
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Grant
Protector for electrical submersible pumps
- Patent number 7,806,670
- Issue date Oct 5, 2010
- Schlumberger Technology Corporation
- Michael H. Du
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
System and method for protecting a submersible motor
- Patent number 7,741,744
- Issue date Jun 22, 2010
- Schlumberger Technology Corporation
- Arthur I. Watson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Apparatus, pumping system incorporating same, and methods of protec...
- Patent number 7,654,315
- Issue date Feb 2, 2010
- Schlumberger Technology Corporation
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Grant
System for well logging
- Patent number 7,640,979
- Issue date Jan 5, 2010
- Schlumberger Technology Corporation
- Arthur I. Watson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Submersible electric motor terminated for auxiliary tools
- Patent number 7,595,573
- Issue date Sep 29, 2009
- Schlumberger Technology Corporation
- Arthur I. Watson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Tandem motors
- Patent number 7,549,849
- Issue date Jun 23, 2009
- Schlumberger Technology Corporation
- Arthur I. Watson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Submersible pumping system
- Patent number 7,469,748
- Issue date Dec 30, 2008
- Schlumberger Technology Corporation
- Murat Ocalan
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Well tool protection system and method
- Patent number 7,404,446
- Issue date Jul 29, 2008
- Schlumberger Technology Corporation
- Michael Hui Du
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well tool protection system and method
- Patent number 7,231,986
- Issue date Jun 19, 2007
- Schlumberger Technology Corporation
- Dennis M. Read, Jr.
- E21 - EARTH DRILLING MINING
Information Patent Grant
Protector for electrical submersible pumps
- Patent number 7,217,107
- Issue date May 15, 2007
- Schlumberger Technology Corporation
- Michael H. Du
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Motor protector
- Patent number 7,182,584
- Issue date Feb 27, 2007
- Schlumberger Technology Corporation
- Michael Hui Du
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Protector for electrical submersible pumps
- Patent number 6,981,853
- Issue date Jan 3, 2006
- Schlumberger Technology Corporation
- Michael H. Du
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Protector for electrical submersible pumps
- Patent number 6,688,860
- Issue date Feb 10, 2004
- Schlumberger Technology Corporation
- Michael H. Du
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED DRILLING SYSTEM
- Publication number 20250092777
- Publication date Mar 20, 2025
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Rachel Belleville
- E21 - EARTH DRILLING MINING
Information Patent Application
INTEGRATED DRILLING SYSTEM
- Publication number 20240410269
- Publication date Dec 12, 2024
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Rachel Belleville
- E21 - EARTH DRILLING MINING
Information Patent Application
THREADED CONNECTIONS AND DOWNHOLE TOOLS INCORPORATING THE SAME
- Publication number 20190078398
- Publication date Mar 14, 2019
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Xiaoge Gan
- E21 - EARTH DRILLING MINING
Information Patent Application
COLD ROLLING DEVICES AND COLD ROLLED ROTARY SHOULDERED CONNECTION T...
- Publication number 20190060979
- Publication date Feb 28, 2019
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Rakesh Singh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEM AND METHODOLOGY FOR UTILIZING A FLOW CONTROL VALVE
- Publication number 20160319635
- Publication date Nov 3, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael Hui Du
- E21 - EARTH DRILLING MINING
Information Patent Application
Shear Valve System And Methodology
- Publication number 20160053578
- Publication date Feb 25, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Murali Jayaram
- E21 - EARTH DRILLING MINING
Information Patent Application
Cold Rolling Devices and Colled Rolled Rotary Shouldered Connection...
- Publication number 20150367402
- Publication date Dec 24, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Rakesh Singh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Rotary Shouldered Connections and Thread Design
- Publication number 20150362100
- Publication date Dec 17, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Ke Ken Li
- E21 - EARTH DRILLING MINING
Information Patent Application
Pump Motor Protector with Redundant Shaft Seal
- Publication number 20140322038
- Publication date Oct 30, 2014
- Michael Hui Du
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
ORIENTABLE ECCENTRIC DOWNHOLE ASSEMBLY
- Publication number 20120073835
- Publication date Mar 29, 2012
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael Hui Du
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE HYDRAULIC COUPLING ASSEMBLY
- Publication number 20110168406
- Publication date Jul 14, 2011
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael Hui Du
- E21 - EARTH DRILLING MINING
Information Patent Application
PIEZO-BASED DOWNHOLE FLOW METER
- Publication number 20110100112
- Publication date May 5, 2011
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Application
PROTECTOR FOR ELECTRICAL SUBMERSIBLE PUMPS
- Publication number 20110014071
- Publication date Jan 20, 2011
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Application
RE-SETTABLE AND ANTI-ROTATIONAL CONTRACTION JOINT WITH CONTROL LINES
- Publication number 20100224375
- Publication date Sep 9, 2010
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Application
PUMP MOTOR PROTECTOR WITH REDUNDANT SHAFT SEAL
- Publication number 20100202896
- Publication date Aug 12, 2010
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael Hui Du
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
RUNNING-TOOL FOR DOWNHOLE EQUIPMENT WITH A HYDRAULIC CONTROL SYSTEM
- Publication number 20100163249
- Publication date Jul 1, 2010
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Application
ENERGIZED DYNAMIC SEAL USED IN OIL WELL EQUIPMENT
- Publication number 20090152817
- Publication date Jun 18, 2009
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Application
CONTRACTION JOINT SYSTEM
- Publication number 20090078430
- Publication date Mar 26, 2009
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD FOR ENGAGING WELL EQUIPMENT IN A WELLBORE
- Publication number 20090078429
- Publication date Mar 26, 2009
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD FOR ENGAGING COMPLETIONS IN A WELLBORE
- Publication number 20090056947
- Publication date Mar 5, 2009
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Application
Submersible Electric Motor Terminated for Auxiliary Tools
- Publication number 20070296291
- Publication date Dec 27, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Arthur I. Watson
- E21 - EARTH DRILLING MINING
Information Patent Application
System for Well Logging
- Publication number 20070295502
- Publication date Dec 27, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Arthur I. Watson
- E21 - EARTH DRILLING MINING
Information Patent Application
System and Method for Protecting a Submersible Motor
- Publication number 20070224056
- Publication date Sep 27, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Arthur I. Watson
- E21 - EARTH DRILLING MINING
Information Patent Application
PROTECTOR FOR ELECTRICAL SUBMERSIBLE PUMPS
- Publication number 20070207046
- Publication date Sep 6, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Application
WELL TOOL PROTECTION SYSTEM AND METHOD
- Publication number 20070151736
- Publication date Jul 5, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael Hui Du
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus, Pumping System Incorporating Same, and Methods of Protec...
- Publication number 20070074872
- Publication date Apr 5, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Application
Submersible Pumping System
- Publication number 20060266526
- Publication date Nov 30, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Murat Ocalan
- E21 - EARTH DRILLING MINING
Information Patent Application
Tandem Motors
- Publication number 20060222529
- Publication date Oct 5, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Arthur I. Watson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Protector for Electrical Submersible Pumps
- Publication number 20050167096
- Publication date Aug 4, 2005
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael H. Du
- E21 - EARTH DRILLING MINING
Information Patent Application
Motor Protector
- Publication number 20050087343
- Publication date Apr 28, 2005
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael Hui Du
- E21 - EARTH DRILLING MINING

Michael Hui Du

Person

Patents Grantslast 30 patents

Integrated drilling system

Cold rolling devices and cold rolled rotary shouldered connection t...

System and methodology for utilizing a flow control valve

Threaded connections and downhole tools incorporating the same

Cold rolling devices and cold rolled rotary shouldered connection t...

Rotary shouldered connections and thread design

Shear valve system and methodology

Protector for electrical submersible pumps

Orientable eccentric downhole assembly

Pump motor protector with redundant shaft seal

Downhole wet mate connection

System and method for engaging completions in a wellbore

Re-settable and anti-rotational contraction joint with control lines

Systems and methods for downhole completions

Contraction joint system

Protector for electrical submersible pumps

System and method for protecting a submersible motor

Apparatus, pumping system incorporating same, and methods of protec...

System for well logging

Submersible electric motor terminated for auxiliary tools

Tandem motors

Submersible pumping system

Well tool protection system and method

Well tool protection system and method

Protector for electrical submersible pumps

Motor protector

Protector for electrical submersible pumps

Protector for electrical submersible pumps

Patents Applicationslast 30 patents

INTEGRATED DRILLING SYSTEM

INTEGRATED DRILLING SYSTEM

THREADED CONNECTIONS AND DOWNHOLE TOOLS INCORPORATING THE SAME

COLD ROLLING DEVICES AND COLD ROLLED ROTARY SHOULDERED CONNECTION T...

SYSTEM AND METHODOLOGY FOR UTILIZING A FLOW CONTROL VALVE

Shear Valve System And Methodology

Cold Rolling Devices and Colled Rolled Rotary Shouldered Connection...

Rotary Shouldered Connections and Thread Design

Pump Motor Protector with Redundant Shaft Seal

ORIENTABLE ECCENTRIC DOWNHOLE ASSEMBLY

DOWNHOLE HYDRAULIC COUPLING ASSEMBLY

PIEZO-BASED DOWNHOLE FLOW METER

PROTECTOR FOR ELECTRICAL SUBMERSIBLE PUMPS

RE-SETTABLE AND ANTI-ROTATIONAL CONTRACTION JOINT WITH CONTROL LINES

PUMP MOTOR PROTECTOR WITH REDUNDANT SHAFT SEAL

RUNNING-TOOL FOR DOWNHOLE EQUIPMENT WITH A HYDRAULIC CONTROL SYSTEM

ENERGIZED DYNAMIC SEAL USED IN OIL WELL EQUIPMENT

CONTRACTION JOINT SYSTEM

SYSTEM AND METHOD FOR ENGAGING WELL EQUIPMENT IN A WELLBORE

SYSTEM AND METHOD FOR ENGAGING COMPLETIONS IN A WELLBORE

Submersible Electric Motor Terminated for Auxiliary Tools

System for Well Logging

System and Method for Protecting a Submersible Motor

PROTECTOR FOR ELECTRICAL SUBMERSIBLE PUMPS

WELL TOOL PROTECTION SYSTEM AND METHOD

Apparatus, Pumping System Incorporating Same, and Methods of Protec...

Submersible Pumping System

Tandem Motors

Protector for Electrical Submersible Pumps

Motor Protector