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Niels De Keijzer
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Etten-Leur, NL
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Patents Grants
last 30 patents
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Patent Grant
Apparatus for suspending a downhole well string
Patent number
8,752,619
Issue date
Jun 17, 2014
National-Oilwell Varco, L.P.
Rene Mulder
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
APPARATUS FOR SUSPENDING A DOWNHOLE WELL STRING
Publication number
20110259576
Publication date
Oct 27, 2011
National-Oilwell Varco, L.P.
Rene Mulder
E21 - EARTH DRILLING MINING