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ANNULAR SEALING FOR USE WITH A WELL
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Publication number 20160273297
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Publication date Sep 22, 2016
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Weatherford Technology Holdings, LLC.
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Don M. HANNEGAN
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E21 - EARTH DRILLING MINING
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SEALING ELEMENT MOUNTING
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Publication number 20150315845
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Publication date Nov 5, 2015
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Weatherford Technology Holdings, LLC.
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James W. Chambers
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E21 - EARTH DRILLING MINING
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BEARING ASSEMBLY COOLING METHODS
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Publication number 20150315874
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Publication date Nov 5, 2015
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Weatherford Technology Holdings, LLC.
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James W. Chambers
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E21 - EARTH DRILLING MINING
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FLOATING DEVICE RUNNING TOOL
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Publication number 20150096766
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Publication date Apr 9, 2015
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Weatherford Technology Holdings, LLC.
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Nicky A. White
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E21 - EARTH DRILLING MINING
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SEAL ELEMENT GUIDE
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Publication number 20130341052
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Publication date Dec 26, 2013
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Thomas F. Bailey
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E21 - EARTH DRILLING MINING
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System for Drilling a Borehole
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Publication number 20130206386
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Publication date Aug 15, 2013
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WEATHERFORD/LAMB, INC.
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Thomas F. Bailey
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E21 - EARTH DRILLING MINING
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