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ZHENBI SU
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SPRING, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Downhole milling cutting structures
Patent number
10,648,266
Issue date
May 12, 2020
Wellbore Integrity Solutions LLC
Zhenbi Su
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DOWNHOLE MILLING CUTTING STRUCTURES
Publication number
20180094496
Publication date
Apr 5, 2018
Schlumberger Technology Corporation
Zhenbi Su
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOL WITH LONGITUDINALLY OFFSET FLUID PORTS
Publication number
20170089171
Publication date
Mar 30, 2017
Smith International, Inc.
Baozhong Yang
E21 - EARTH DRILLING MINING
Information
Patent Application
TOOL FOR MEASURING WELLBORE GEOMETRY
Publication number
20160032710
Publication date
Feb 4, 2016
Smith International, Inc.
Jianbing Hu
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOL USING A LOCKING CLUTCH
Publication number
20150376950
Publication date
Dec 31, 2015
Smith International, Inc.
Zhenbi Su
E21 - EARTH DRILLING MINING
Information
Patent Application
VIBRATION TOOL
Publication number
20150114716
Publication date
Apr 30, 2015
Smith International, Inc.
Baozhong Yang
E21 - EARTH DRILLING MINING
Information
Patent Application
HOUSING FOR DOWNHOLE MEASUREMENT
Publication number
20140076633
Publication date
Mar 20, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
DWAYNE P. TERRACINA
E21 - EARTH DRILLING MINING