分析了千米桥潜山构造第一阶段 5口井施工过程中遇到的技术难题 ,从优化井身结构、优选钻具组合、钻头优选、优选钻井液体系及组织管理等方面给出了相应的技术措施和对策 ,并在第二阶段 5口井的施工中进行了应用 ,且取得了明显的效果 ,为大港油田千米桥潜山构造的勘探开发奠定了坚实的基础 The technical problems encountered in the construction of the five wells in the first stage of the Qianmiqiao buried hill structure are analyzed and the corresponding problems are solved in terms of optimizing the structure of the wellbore, optimizing the combination of the drilling tools, optimizing the bit, optimizing the drilling fluid system and organization management The technical measures and countermeasures were taken and applied in the construction of the 5 wells in the second stage and the obvious effect has been achieved and laid a solid foundation for the exploration and development of the buried hill structure of the Mimiqiao in Dagang Oilfield