【摘要】 深水井成井固井止水工艺比较复杂，在施工及以后使用中往往出现各种问题，本文从深井套管柱结构、强度设计、固井工艺、止水工艺等方面进行了改进，经生产实践，取得了良好效果。更多还原

【Abstract】 The plugging technology of forming and cementing deep well is more complex,some questions can occur in construction and use.The deep well casing string structure,strength design,cementing and plugging technology have been improved,after the practice of production,good effects have been achieved.更多还原