TREA

Yufang Xia

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  • Houston, TX, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    DOWNHOLE FRICTION REDUCTION SYSTEMS
    • Publication number 20220282588
    • Publication date Sep 8, 2022
    • National-Oilwell Varco, L.P.
    • Khoi Trinh
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ON DEMAND FLOW PULSING SYSTEM
    • Publication number 20220275685
    • Publication date Sep 1, 2022
    • NATIONAL OILWELL DHT, L.P.
    • Khoi Trinh
    • E21 - EARTH DRILLING MINING