TREA

William L. Bohan

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  • Garland, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shut-in tools and method
    • Patent number 5,375,658
    • Issue date Dec 27, 1994
    • Halliburton Company
    • Roger L. Schultz
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shut-in tools
    • Patent number 5,332,035
    • Issue date Jul 26, 1994
    • Halliburton Company
    • Roger L. Schultz
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole fluid property measurement tool
    • Patent number 5,329,811
    • Issue date Jul 19, 1994
    • Halliburton Company
    • Roger L. Schultz
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shut-in tools
    • Patent number 5,279,363
    • Issue date Jan 18, 1994
    • Halliburton Company
    • Roger L. Schultz
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shut-in tools
    • Patent number 5,234,057
    • Issue date Aug 10, 1993
    • Halliburton Company
    • Roger L. Schultz
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Electric power supply for use downhole
    • Patent number 5,149,984
    • Issue date Sep 22, 1992
    • Halliburton Company
    • Roger L. Schultz
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS