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Pressurized chamber management
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Patent number 10,533,693
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Issue date Jan 14, 2020
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Schlumberger Technology Corporation
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Hugues Dupont
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Detection of tool in pipe
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Patent number 9,217,325
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Issue date Dec 22, 2015
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Schlumberger Technology Corporation
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Laurent Villegas
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G01 - MEASURING TESTING
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Detection of tool in pipe
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Patent number 8,513,947
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Issue date Aug 20, 2013
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Schlumberger Technology Corporation
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Laurent Villegas
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G01 - MEASURING TESTING
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Field joint for a downhole tool
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Patent number 8,240,375
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Issue date Aug 14, 2012
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Schlumberger Technology Corporation
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Stephane Briquet
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E21 - EARTH DRILLING MINING
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Field joint for a downhole tool
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Patent number 8,042,611
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Issue date Oct 25, 2011
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Schlumberger Technology Corporation
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Stephane Briquet
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E21 - EARTH DRILLING MINING
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Water compatible hydraulic fluids
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Patent number 7,932,220
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Issue date Apr 26, 2011
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Schlumberger Technology Corporation
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Alexander Zazovsky
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Field joint for a downhole tool
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Patent number 7,726,396
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Issue date Jun 1, 2010
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Schlumberger Technology Corporation
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Stephane Briquet
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E21 - EARTH DRILLING MINING