TREA

Paul Jeffery Johantges

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  • Deer Park, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Whipstock mill
    • Patent number 6,056,056
    • Issue date May 2, 2000
    • Douglas G. Durst
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Wellbore milling and drilling
    • Patent number 5,887,655
    • Issue date Mar 30, 1999
    • Weatherford/Lamb, Inc.
    • David M. Haugen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Multi-face whipstock with sacrificial face element
    • Patent number 5,787,978
    • Issue date Aug 4, 1998
    • Weatherford/Lamb, Inc.
    • Thurman B. Carter
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents