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Zhiyi Zhang
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Houston, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Combined telemetry system and method
Patent number
7,565,936
Issue date
Jul 28, 2009
Shell Oil Company
Zhiyi Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Combined telemetry system and method
Patent number
7,163,065
Issue date
Jan 16, 2007
Shell Oil Company
Zhiyi Zhang
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
COMBINED TELEMETRY SYSTEM AND METHOD
Publication number
20070137853
Publication date
Jun 21, 2007
Zhiyi Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
Combined telemetry system and method
Publication number
20040163822
Publication date
Aug 26, 2004
Zhiyi Zhang
E21 - EARTH DRILLING MINING