A multistage cement job is used to avoid fracturing the formation when cementing long casing strings.
多级注水泥作业用来在对长套管柱注水泥时避免使地层破裂。
Abstract: Casing failure occurs frequently during the hydraulic fracturing process of shale gas formation, which seriously influences the shale gas recovery efficiency.
摘要：在页岩气开采的水力压裂过程中，套损时有发生，严重影响页岩气开采效率。
The study results could provide certain theoretical guidance in understanding and mitigating casing failure in hydraulic fracturing.
研究成果对认识和缓解压裂中的套损有一定的理论指导意义。
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