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SIGNAL OPERATED ISOLATION VALVE
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Publication number 20190100979
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Publication date Apr 4, 2019
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Weatherford Technology Holdings, LLC.
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Joe NOSKE
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E21 - EARTH DRILLING MINING
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SIGNAL OPERATED ISOLATION VALVE
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Publication number 20150211332
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Publication date Jul 30, 2015
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Weatherford Technology Holdings, LLC.
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Joe NOSKE
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E21 - EARTH DRILLING MINING
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PIPE HANDLING SYSTEM
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Publication number 20150060045
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Publication date Mar 5, 2015
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WEATHERFORD/LAMB, INC.
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Karsten HEIDECKE
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E21 - EARTH DRILLING MINING
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ANNULAR RELIEF VALVE
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Publication number 20120273055
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Publication date Nov 1, 2012
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Brent J. Lirette
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E21 - EARTH DRILLING MINING
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PIPE HANDLING SYSTEM
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Publication number 20100212915
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Publication date Aug 26, 2010
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Karsten Heidecke
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E21 - EARTH DRILLING MINING
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Managed pressure drilling
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Publication number 20060157282
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Publication date Jul 20, 2006
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Frederick T. Tilton
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E21 - EARTH DRILLING MINING
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Wired casing
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Publication number 20040262013
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Publication date Dec 30, 2004
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Weatherford/Lamb, Inc.
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Frederick T. Tilton
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E21 - EARTH DRILLING MINING
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Wired casing
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Publication number 20040206511
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Publication date Oct 21, 2004
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Frederick T. Tilton
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E21 - EARTH DRILLING MINING
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Downhole tubing
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Publication number 20040173360
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Publication date Sep 9, 2004
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Weatherford/Lamb, Inc.
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Simon John Harrall
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E21 - EARTH DRILLING MINING
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Smart cementing systems
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Publication number 20040060697
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Publication date Apr 1, 2004
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Frederick T. Tilton
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E21 - EARTH DRILLING MINING
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Downhole tubing
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Publication number 20020108756
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Publication date Aug 15, 2002
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Simon John Harrall
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E21 - EARTH DRILLING MINING
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