TREA

Yingjie Zhu

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Expansion tool assembly for expandable tubular
    • Patent number 11,293,254
    • Issue date Apr 5, 2022
    • China National Petroleum Corporation
    • Quanli Zhang
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Expandable liner hanger
    • Patent number 10,858,917
    • Issue date Dec 8, 2020
    • CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
    • Quanli Zhang
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    EXPANSION TOOL ASSEMBLY FOR EXPANDABLE TUBULAR
    • Publication number 20210396092
    • Publication date Dec 23, 2021
    • CHINA NATIONAL PETROLEUM CORPORATION
    • Quanli Zhang
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Expandable Liner Hanger
    • Publication number 20200332629
    • Publication date Oct 22, 2020
    • CNPC Engineering Technology R&D Company Limited
    • Quanli Zhang
    • E21 - EARTH DRILLING MINING