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Accumulator system
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Patent number 11,795,978
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Issue date Oct 24, 2023
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Schlumberger Technology Corporation
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Christopher Nault
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E21 - EARTH DRILLING MINING
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Rotating control device system
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Patent number 11,781,398
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Issue date Oct 10, 2023
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Schlumberger Technology Corporation
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Harold Tenorio
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Accumulator system
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Patent number 11,624,254
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Issue date Apr 11, 2023
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Schlumberger Technology Corporation
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Christopher Nault
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E21 - EARTH DRILLING MINING
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Accumulator system
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Patent number 11,441,579
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Issue date Sep 13, 2022
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Schlumberger Technology Corporation
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Christopher Nault
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E21 - EARTH DRILLING MINING
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Rotating control device system
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Patent number 11,187,056
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Issue date Nov 30, 2021
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Schlumberger Technology Corporation
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Harold Tenorio
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E21 - EARTH DRILLING MINING
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BOP elastomer health monitoring
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Patent number 10,900,347
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Issue date Jan 26, 2021
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Cameron International Corporation
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Olivier Amsellem
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G01 - MEASURING TESTING
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Flow restrictor system
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Patent number 10,450,815
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Issue date Oct 22, 2019
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Cameron International Corporation
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Laura M. Gardner
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E21 - EARTH DRILLING MINING