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Jeremy P. Walker
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Saint Germain en Laye, FR
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last 30 patents
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Patent Grant
Well fluid control
Patent number
7,240,739
Issue date
Jul 10, 2007
Schlumberger Technology Corporation
Gerhard Schoonderbeek
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Well Fluid Control
Publication number
20060027377
Publication date
Feb 9, 2006
SCHLUMBERGER TECHNOLOGY CORPORATION
Gerhard Schoonderbeek
E21 - EARTH DRILLING MINING