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大屯煤电 (集团 )公司龙东矿西风井在钻井施工过程中遭受石膏、水泥等多次钙质侵害 ,使泥浆性能恶化 ,威胁井筒安全。简要介绍了各次的侵害情况、处理方法和效果
Datong Coal and Electricity (Group) Company Longdong mine Westwind wells in the drilling process suffered many gypsum, cement and other infiltration of cement, the deterioration of mud performance, threaten the wellbore safety. Briefly introduced the various violations, treatment methods and effects