TREA

Ralf HEDDEN

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  • Calgary, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil recovery process
    • Patent number 9,784,081
    • Issue date Oct 10, 2017
    • Shell Oil Company
    • Carolus Petrus Adrianus Blom
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL RECOVERY PROCESS
    • Publication number 20150060075
    • Publication date Mar 5, 2015
    • Shell Oil Company
    • Carolus Petrus Adrianus BLOM
    • E21 - EARTH DRILLING MINING