TREA

David T. Lamont

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  • Ormesby, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Formation isolation valve and method of use
    • Patent number 7,617,876
    • Issue date Nov 17, 2009
    • Schlumberger Technology Corporation
    • Dinesh R Patel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Formation isolation valve
    • Patent number 7,347,272
    • Issue date Mar 25, 2008
    • Schlumberger Technology Corporation
    • Dinesh R Patel
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents