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    Chapter and Conference Paper

    Workover Fluid Leakage Dynamics and Plugging Experiment in Unconsolidated Sandstone Reservoir

    In order to solve the problem that the loose sandstone reservoir has a large channel due to sand production, and the workover fluid leakage pollutes the reservoir during workover operation. The mechanism of fa...

    Pi-xiang He, **-sheng Sun, Dang-ke Ge… in Proceedings of the International Field Exp… (2022)

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    Chapter and Conference Paper

    Current Situation of Constitutive Model for Soils Based on Thermodynamics Approach

    Traditional constitutive models of soils were based on Drucker’s Stability Postulate and the theory of plastic potential. The yield condition, flow rule and hardening law are determined independently and contr...

    **ao-xia Guo, **ang Sun, Long-tan Shao, Bo-ya Zhao in Constitutive Modeling of Geomaterials (2013)