TREA

Stephen Allen Yeldell

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  • Humble, TX, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    BUOYANCY ASSIST TOOL
    • Publication number 20210363858
    • Publication date Nov 25, 2021
    • Halliburton Energy Services, Inc.
    • Min Mark Yuan
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE APPARATUS
    • Publication number 20210355776
    • Publication date Nov 18, 2021
    • Min Mark Yuan
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BUOYANCY ASSIST TOOL
    • Publication number 20210332667
    • Publication date Oct 28, 2021
    • Halliburton Energy Services, Inc.
    • Avinash Gopal DHARNE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    THREADLESS FLOAT EQUIPMENT AND METHOD
    • Publication number 20210246746
    • Publication date Aug 12, 2021
    • Halliburton Energy Services, Inc.
    • Handoko Tirto Santoso
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole Check Valve Assembly with a Ratchet Mechanism
    • Publication number 20210062597
    • Publication date Mar 4, 2021
    • Halliburton Energy Services, Inc.
    • Min M. Yuan
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole Check Valve Assembly with a Locking Mechanism
    • Publication number 20210062611
    • Publication date Mar 4, 2021
    • Halliburton Energy Services, Inc.
    • Stephen A. Yeldell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole Check Valve Assembly with a Frustoconical Mandrel
    • Publication number 20200340315
    • Publication date Oct 29, 2020
    • Halliburton Energy Services, Inc.
    • Benny E. Dawsey
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole Check Valve Assembly with a Swellable Element Mechanism
    • Publication number 20200340314
    • Publication date Oct 29, 2020
    • Halliburton Energy Services, Inc.
    • Stephen A. Yeldell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FULL BORE BUOYANCY ASSISTED CASING SYSTEM
    • Publication number 20200284121
    • Publication date Sep 10, 2020
    • Halliburton Energy Services, Inc.
    • Lonnie Carl Helms
    • E21 - EARTH DRILLING MINING