TREA

Churchill Drilling Tools Limited

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Organization

  • Scotland, GB
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Downhole sealing
    • Patent number 11,802,462
    • Issue date Oct 31, 2023
    • Churchill Drilling Tools Limited
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole apparatus and methods
    • Patent number 11,293,264
    • Issue date Apr 5, 2022
    • Churchill Drilling Tools Limited
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole sealing
    • Patent number 11,187,059
    • Issue date Nov 30, 2021
    • Churchill Drilling Tools Limited
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole sealing and actuation
    • Patent number 10,590,737
    • Issue date Mar 17, 2020
    • Churchill Drilling Tools Limited
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for severing a drill string
    • Patent number 10,544,655
    • Issue date Jan 28, 2020
    • Churchill Drilling Tools Limited
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool
    • Patent number 10,458,204
    • Issue date Oct 29, 2019
    • Churchill Drilling Tools Limited
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool
    • Patent number 10,267,107
    • Issue date Apr 23, 2019
    • Churchill Drilling Tools Limited
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill string check valve
    • Patent number 10,088,064
    • Issue date Oct 2, 2018
    • Churchill Drilling Tools Limited
    • Andrew Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill string check valve
    • Patent number 9,920,583
    • Issue date Mar 20, 2018
    • Churchill Drilling Tools Limited
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole apparatus
    • Patent number 9,828,818
    • Issue date Nov 28, 2017
    • Churchill Drilling Tools Limited
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole material delivery
    • Patent number 9,593,545
    • Issue date Mar 14, 2017
    • Churchill Drilling Tools Limited
    • Andrew Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool
    • Patent number 9,453,379
    • Issue date Sep 27, 2016
    • Churchill Drilling Tools Limited
    • Andrew Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus for use in top filling of tubulars and associated methods
    • Patent number 8,915,299
    • Issue date Dec 23, 2014
    • Churchill Drilling Tools Limited
    • Andrew Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool
    • Patent number 8,899,335
    • Issue date Dec 2, 2014
    • Churchill Drilling Tools Limited
    • Andrew Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Top filling tubing
    • Patent number 7,975,766
    • Issue date Jul 12, 2011
    • Churchill Drilling Tools Limited
    • Andrew Phillip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drifting tubing
    • Patent number 7,828,060
    • Issue date Nov 9, 2010
    • Churchill Drilling Tools Limited
    • Andrew Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool
    • Patent number 7,766,084
    • Issue date Aug 3, 2010
    • Churchill Drilling Tools Limited
    • Andrew Phillip Churchill
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Drifting tubing
    • Patent number 7,472,749
    • Issue date Jan 6, 2009
    • Churchill Drilling Tools Limited
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    DOWNHOLE SEALING
    • Publication number 20220081995
    • Publication date Mar 17, 2022
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE APPARATUS AND METHODS
    • Publication number 20210131225
    • Publication date May 6, 2021
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE SEALING
    • Publication number 20180291707
    • Publication date Oct 11, 2018
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE SEALING AND ACTUATION
    • Publication number 20180163509
    • Publication date Jun 14, 2018
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE TOOL
    • Publication number 20170037707
    • Publication date Feb 9, 2017
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    METHOD AND APPARATUS FOR SEVERING A DRILL STRING
    • Publication number 20170030156
    • Publication date Feb 2, 2017
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE TOOL
    • Publication number 20160369593
    • Publication date Dec 22, 2016
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRILL STRING CHECK VALVE
    • Publication number 20160032669
    • Publication date Feb 4, 2016
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    APPARATUS AND METHODS FOR USE WITH DRILLING FLUIDS
    • Publication number 20150204150
    • Publication date Jul 23, 2015
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE APPARATUS
    • Publication number 20150136416
    • Publication date May 21, 2015
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRILL STRING CHECK VALVE
    • Publication number 20140332277
    • Publication date Nov 13, 2014
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE TOOL
    • Publication number 20120125629
    • Publication date May 24, 2012
    • Churchill Drilling Tools Limited
    • Andrew Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE TOOL
    • Publication number 20120111576
    • Publication date May 10, 2012
    • Churchill Drilling Tools Limited
    • Andrew Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE MATERIAL DELIVERY
    • Publication number 20120073828
    • Publication date Mar 29, 2012
    • Churchill Drilling Tools Limited
    • Andrew Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    APPARATUS FOR USE IN TOP FILLING OF TUBULARS AND ASSOCIATED METHODS
    • Publication number 20110168397
    • Publication date Jul 14, 2011
    • CHURCHILL DRILLING TOOLS LIMITED
    • Andrew Churchill
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Drifting tubing
    • Publication number 20060102348
    • Publication date May 18, 2006
    • Churchill Drilling Tools Limited
    • Andrew Philip Churchill
    • E21 - EARTH DRILLING MINING