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Frac ball dispenser
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Patent number 11,242,723
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Issue date Feb 8, 2022
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NEXTIER COMPLETION SOLUTIONS INC.
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Jaime C. Pedraza
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E21 - EARTH DRILLING MINING
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Downhole fluid filter
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Patent number 8,770,286
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Issue date Jul 8, 2014
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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 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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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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