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Downhole tool
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Patent number 11,512,560
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Issue date Nov 29, 2022
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ARDYNE HOLDINGS LIMITED
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Michael Wardley
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E21 - EARTH DRILLING MINING
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Relating to well abandonment
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Patent number 11,299,947
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Issue date Apr 12, 2022
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ARDYNE HOLDINGS LIMITED
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Michael Wardley
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E21 - EARTH DRILLING MINING
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Well abandonment
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Patent number 11,156,049
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Issue date Oct 26, 2021
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ARDYNE HOLDINGS LIMITED
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George Telfer
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E21 - EARTH DRILLING MINING
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Downhole anchor mechanism
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Patent number 11,125,036
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Issue date Sep 21, 2021
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ARDYNE HOLDINGS LIMITED
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George Telfer
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E21 - EARTH DRILLING MINING
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Method of abandoning a well
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Patent number 10,989,017
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Issue date Apr 27, 2021
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ARDYNE HOLDINGS LIMITED
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Michael Wardley
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E21 - EARTH DRILLING MINING
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Downhole tool and method
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Patent number 10,329,877
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Issue date Jun 25, 2019
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Hydralock Systems Limited
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Neil Andrew Abercrombie Simpson
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E21 - EARTH DRILLING MINING
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Shoe for wellbore lining tubing
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Patent number 8,342,251
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Issue date Jan 1, 2013
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Tercel Oilfield Products UK Limited
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Paul Howlett
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E21 - EARTH DRILLING MINING
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Torque reduction tool
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Patent number 7,025,136
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Issue date Apr 11, 2006
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Weatherford/Lamb, Inc.
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Rory McCrae Tulloch
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E21 - EARTH DRILLING MINING
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Reamer shoe
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Patent number 6,983,811
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Issue date Jan 10, 2006
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Weatherford/Lamb, Inc.
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Mike Wardley
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E21 - EARTH DRILLING MINING
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Drillable drill bit nozzle
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Patent number 6,848,517
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Issue date Feb 1, 2005
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Weatherford/Lamb, Inc.
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Mike Wardley
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B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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Casing drilling shoe
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Patent number 6,443,247
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Issue date Sep 3, 2002
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Weatherford/Lamb, Inc.
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Michael Wardley
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E21 - EARTH DRILLING MINING
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