TREA

Kerby J. Dufrene

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  • Sugar Land, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Joining tubular members
    • Patent number 7,866,708
    • Issue date Jan 11, 2011
    • Schlumberger Technology Corporation
    • Craig D. Johnson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Joining tubular members
    • Patent number 7,493,959
    • Issue date Feb 24, 2009
    • Schlumberger Technology Corporation
    • Craig D. Johnson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus and method for zonal isolation
    • Patent number 6,494,256
    • Issue date Dec 17, 2002
    • Schlumberger Technology Corporation
    • Timothy T. Achee
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Joining Tubular Members
    • Publication number 20060279078
    • Publication date Dec 14, 2006
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Craig D. Johnson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Joining Tubular Members
    • Publication number 20050200127
    • Publication date Sep 15, 2005
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Craig D. Johnson
    • E21 - EARTH DRILLING MINING