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Sean Stewart

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  • Dyce, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Downhole tool and method
    • Patent number 9,759,038
    • Issue date Sep 12, 2017
    • Weatherford Technology Holdings, LLC
    • Andrew McGeoch
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Downhole Tool and Method
    • Publication number 20150034329
    • Publication date Feb 5, 2015
    • PETROWELL LIMITED
    • Andrew McGeoch
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole Tool and Method
    • Publication number 20140224504
    • Publication date Aug 14, 2014
    • PETROWELL LIMITED
    • Andrew McGeoch
    • E21 - EARTH DRILLING MINING