TREA

Andre Dorleans

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  • Le Perray-en-Yvelines, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure relief process for well-drilling
    • Patent number 4,852,667
    • Issue date Aug 1, 1989
    • Total Compagnie Francaise des Petroles
    • Andre M. Dorleans
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill pipe joint
    • Patent number 4,583,603
    • Issue date Apr 22, 1986
    • Compagnie Francaise des Petroles
    • Andre Dorleans
    • E21 - EARTH DRILLING MINING