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  1. No Access

    Chapter and Conference Paper

    Stress Analysis of Hollow Sucker Rod Screw Thread Jiont and Shape Optimization of Screw Thread

    With the maturity of surface driven rod screw pump production technology, many new forms of injection and production processes have been applied to screw pump wells, such as downhole oil water separation syste...

    Jiang Sun, Zhong-chao Lin, Zhong-bo Zheng… in Proceedings of the International Field Exp… (2024)

  2. No Access

    Chapter and Conference Paper

    Research and Application of Self-feeding Oil Pipe Inner Wall Cleaning Device in Operation Site

    In order to solve the problem of tubing scaling during chemical flooding development in Daqing oilfield and realize clean workover operation, a self-feeding tubing inner wall cleaning device suitable for opera...

    Yu-chuan Liu, Li-chuan Zhao, Bai-tao Ma… in Proceedings of the International Field Exp… (2023)

  3. No Access

    Chapter and Conference Paper

    Experimental Study of a Modified HNBR Rubber for Supercritical CO2 Injection Process

    In the well environment of supercritical CO2 separate injection, the ordinary HNBR rubber is not only easy to be corroded, but also easy to be damaged during CO2 gas intrusion and rapid decompression. Therefore, ...

    Zhong-chao Lin, Li-hong Yao, Chong-jiang Liu… in Proceedings of the International Field Exp… (2020)