受控定向钻进技术在福建马坑矿区的应用

Application of Controlled Directional Drilling Technology in Makeng Mining Area

摘要:

重点介绍了福建马坑矿区ZK8321分支孔受控定向钻进技术。施工中运用了国内先进的螺杆钻造斜技术及光纤陀螺测量定向技术，避开上部复杂孔段（松散破碎层、溶洞地层、采空区等）及对勘探工作的影响，达到了施工目的；总结了施工技术难点与措施，分析了施工技术效果，积累了宝贵的施工经验。

关键词:受控定向钻进技术;倾斜平面设计;螺杆钻;马坑矿区

Abstract:

Whipstocking by screw drill and directional technology by fiber optic gyroscope measurement were applied in ZK8321 branch hole of Makeng mining area to avoid upper complex hole segment and the influence on exploration. The paper analyzes the difficult construction technologies, introduces the construction measures and the effects and summarizes the practice experience.

Key words:controlled directional drilling technology; incline plane design; screw drill; fiber optic gyroscope; Makeng mining area