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Dry blend fracturing fluid additives
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Patent number 8,673,826
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Issue date Mar 18, 2014
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Schlumberger Technology Corporation
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Marie Noelle Dessinges
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Mobile well services assembly
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Patent number 8,561,693
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Issue date Oct 22, 2013
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Schlumberger Technology Corporation
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Ravicharan Mydur
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E21 - EARTH DRILLING MINING
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Pump assembly
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Patent number 8,506,267
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Issue date Aug 13, 2013
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Schlumberger Technology Corporation
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Philippe Gambier
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Valve-seat interface architecture
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Patent number 8,317,498
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Issue date Nov 27, 2012
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Schlumberger Technology Corporation
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Philippe Gambier
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Method of constructing an expandable packer
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Patent number 8,020,294
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Issue date Sep 20, 2011
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Schlumberger Technology Corporation
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Jean-Louis Pessin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Dry blend fracturing fluid additives
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Patent number 7,972,998
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Issue date Jul 5, 2011
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Schlumberger Technology Corporation
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Marie Noelle Dessinges
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Riserless deployment system
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Patent number 7,832,485
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Issue date Nov 16, 2010
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Schlumberger Technology Corporation
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Jean-Louis Pessin
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E21 - EARTH DRILLING MINING
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Centrifugal pump for abrasive fluid
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Patent number 7,740,447
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Issue date Jun 22, 2010
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Schlumberger Technology Corporation
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Jean-Louis Pessin
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Positive displacement pump monitor
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Patent number 7,401,500
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Issue date Jul 22, 2008
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Schlumberger Technology Corporation
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Toshimichi Wago
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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