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Downhole piston pump and method of operation
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Patent number 8,613,317
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Issue date Dec 24, 2013
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Schlumberger Technology Corporation
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Stephane Briquet
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Downhole fluid filter
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Patent number 8,408,298
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Issue date Apr 2, 2013
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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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Downhole fluid filter
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Patent number 7,997,341
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Issue date Aug 16, 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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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
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