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Valve shift detection systems and methods
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Patent number 10,364,915
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Issue date Jul 30, 2019
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Schlumberger Technology Corporation
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Jeremy Murphy
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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While drilling valve system
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Patent number 10,184,315
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Issue date Jan 22, 2019
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Schlumberger Technology Corporation
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Kent David Harms
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E21 - EARTH DRILLING MINING
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Rotary check valve
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Patent number 9,915,354
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Issue date Mar 13, 2018
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Schlumberger Technology Corporation
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Robert Kelly
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E21 - EARTH DRILLING MINING
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Pump actuated valve
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Patent number 9,534,459
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Issue date Jan 3, 2017
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Schlumberger Technology Corporation
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Kent Harms
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E21 - EARTH DRILLING MINING
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Modular connector
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Patent number 9,416,655
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Issue date Aug 16, 2016
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Schlumberger Technology Corporation
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Ashers Partouche
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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While drilling valve system
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Patent number 9,416,606
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Issue date Aug 16, 2016
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Schlumberger Technology Corporation
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Kent David Harms
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E21 - EARTH DRILLING MINING
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Modular downhole tools and methods
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Patent number 9,115,544
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Issue date Aug 25, 2015
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Schlumberger Technology Corporation
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Kent David Harms
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Modular connector and method
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Patent number 8,931,548
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Issue date Jan 13, 2015
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Schlumberger Technology Corporation
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Ashers Partouche
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Three-position fluid valve for downhole use
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Patent number 8,474,485
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Issue date Jul 2, 2013
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Schlumberger Technology Corporation
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Kent David Harms
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Modular connector and method
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Patent number 7,543,659
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Issue date Jun 9, 2009
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Schlumberger Technology Corporation
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Ashers Partouche
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...