TREA

Colin Walker

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  • Cheltenhem, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Directional drilling control
    • Patent number 7,543,658
    • Issue date Jun 9, 2009
    • Russell Oil Exploration Limited
    • Michael King Russell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Directional drilling control
    • Patent number 7,510,031
    • Issue date Mar 31, 2009
    • Russell Oil Exploration Limited
    • Michael King Russell
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    DIRECTIONAL DRILLING CONTROL
    • Publication number 20080121432
    • Publication date May 29, 2008
    • Michael King RUSSELL
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DIRECTIONAL DRILLING CONTROL
    • Publication number 20070181343
    • Publication date Aug 9, 2007
    • Michael King Russell
    • E21 - EARTH DRILLING MINING