TREA

Trevor D. Williamson

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  • Tulsa, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Constant viscosity foam
    • Patent number 4,911,241
    • Issue date Mar 27, 1990
    • Dowell Schlumberger Incorporated
    • Trevor D. Williamson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method for treating subterranean formations
    • Patent number 4,741,401
    • Issue date May 3, 1988
    • The Dow Chemical Company
    • Wilhelm E. Walles
    • E21 - EARTH DRILLING MINING