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    Experimental Evaluation of the Mechanical Properties of Cement Sheath under High-Temperature Conditions

    Pei Zou1, Zhiqiang Huang1,*, Yian Tong2, Leichuan Tan3, Rui Li4, Kai Wei1,5, Deng Qiao1,*

    FDMP-Fluid Dynamics & Materials Processing, Vol.18, No.3, pp. 689-699, 2022, DOI:10.32604/fdmp.2022.019470

    Abstract The sealing integrity of cement sheath in offshore wells is seriously threatened under high-temperature conditions, resulting in gas channeling and other problems. Given the lack of experimental results, in this study relevant samples of a cement slurry sealing section of a typical offshore high-temperature well have been prepared and analyzed. In particular, the mechanical properties have been assessed with a triaxial pressure servo instrument and a high-temperature curing kettle. The density and the Poisson’s ratio of the samples have also been tested. The stress-strain curve has been drawn to obtain the elastic modulus and the compressive strength. The rock brittleness… More >

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