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Robert Olsen
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Stavanger, NO
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last 30 patents
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Patent Grant
Safety joint and riser
Patent number
9,091,127
Issue date
Jul 28, 2015
Vetco Gray Scandinavia AS
Robert Olsen
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
APPARATUS AND METHOD FOR CONVEYING A TOOL INTO AND/OR FROM A WELL I...
Publication number
20200123870
Publication date
Apr 23, 2020
GE Oil & Gas UK Limited
Christopher OLIVANT
E21 - EARTH DRILLING MINING
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Patent Application
SAFETY JOINT AND RISER
Publication number
20120132433
Publication date
May 31, 2012
Robert Olsen
E21 - EARTH DRILLING MINING