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CHRISTOPHER R. CHIA
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AL KHOBAR, SA
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Patents Grants
last 30 patents
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Patent Grant
Wellbore surveying system and method
Patent number
7,798,216
Issue date
Sep 21, 2010
Schlumberger Technology Corporation
Wayne J. Phillips
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
WELLBORE STEERING SYSTEM AND METHOD
Publication number
20080156485
Publication date
Jul 3, 2008
WAYNE J. PHILLIPS
E21 - EARTH DRILLING MINING