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针对页岩气水平井固井常见问题,如水平段下套管困难、顶替效率难以有效提升、射孔与压裂对水泥环造成损坏、水泥浆性能要求较高,在阐述技术难点机理的基础上,提出相应的处理对策,旨在为有效提升固井质量提供可靠依据。
Aiming at the common problems of cementing shale gas horizontal wells, such as casing difficult under horizontal section, difficult displacement efficiency improvement, perforation and fracturing damage to cement sheath and high requirement of grout performance, based on elaborating the technical difficult mechanism , Put forward the corresponding treatment measures aimed at providing a reliable basis for effectively improving the cementing quality.