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Sebastiaan Wolters
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Kingwood, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Valve with erosion resistant flow trim
Patent number
11,933,415
Issue date
Mar 19, 2024
Weatherford Technology Holdings, LLC
Nauman H. Mhaskar
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for electrical control of downhole well tools
Patent number
11,371,318
Issue date
Jun 28, 2022
Weatherford Technology Holdings, LLC
Don A. Hopmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for reduction of control lines to operate a multi-zone compl...
Patent number
7,913,766
Issue date
Mar 29, 2011
Baker Hughes Incorporated
Sebastiaan Wolters
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for reduction of control lines to operate a mu...
Patent number
7,654,331
Issue date
Feb 2, 2010
Baker Hughes Incorporated
Sebastiaan Wolters
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus to facilitate wet or dry control line connecti...
Patent number
7,487,830
Issue date
Feb 10, 2009
Baker Hughes Incorporated
Sebastiaan Wolters
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus to isolate a wellbore during pump workover
Patent number
7,219,743
Issue date
May 22, 2007
Baker Hughes Incorporated
Sebastiaan J. Wolters
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Synchronized Actuator Having Multiple Motors for Downhole Well Tool
Publication number
20240247565
Publication date
Jul 25, 2024
Weatherford Technology Holdings, LLC.
Nauman H. Mhaskar
E21 - EARTH DRILLING MINING
Information
Patent Application
VALVE WITH EROSION RESISTANT FLOW TRIM
Publication number
20230304594
Publication date
Sep 28, 2023
Weatherford Technology Holdings, LLC.
Nauman H. MHASKAR
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR ELECTRICAL CONTROL OF DOWNHOLE WELL TOOLS
Publication number
20220316299
Publication date
Oct 6, 2022
Weatherford Technology Holdings, LLC.
Don A. HOPMANN
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR ELECTRICAL CONTROL OF DOWNHOLE WELL TOOLS
Publication number
20210062614
Publication date
Mar 4, 2021
Weatherford Technology Holdings, LLC.
Don A. HOPMANN
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD FOR REDUCTION OF CONTROL LINES TO OPERATE A MULTI-ZONE COMPL...
Publication number
20090321078
Publication date
Dec 31, 2009
BAKER HUGHES INCORPORATED
Sebastiaan Wolters
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for reduction of control lines to operate a mu...
Publication number
20070187106
Publication date
Aug 16, 2007
Sebastiaan Wolters
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus to isolate a wellbore during pump workover
Publication number
20050095156
Publication date
May 5, 2005
Baker Hughes, Incorporated
Sebastiaan J. Wolters
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus to facilitate wet or dry control line connecti...
Publication number
20040159444
Publication date
Aug 19, 2004
Sebastiaan Wolters
E21 - EARTH DRILLING MINING