摘要
结合施工实例,阐述了金阳隧道ZXA1-XZ-JY-02号钻孔的钻孔结构、钻进方法、防斜措施以及泥浆的使用等方面的施工经验,特别是对镀层金刚石钻头的使用做了较为详细的总结。
Combined with the construction example,this paper expounds the construction experience in the drilling structure,drilling method,anti-deviation measures and mud use of No.ZXA1-XZ-JY-02 borehole in Jinyang Tunnel,especially the use of coated diamond bit.
作者
周万明
ZHOU Wan-ming(Chemical Geological Exploration Institute of Sichuan Province,Pengzhou Sichuan 611930,China)
出处
《西部探矿工程》
CAS
2023年第2期15-19,共5页
West-China Exploration Engineering
关键词
隧道孔
镀层金刚石钻头
低固相泥浆
钻孔防斜
井故预防
Tunnel hole
Coated diamond bit
Low solid mud
Drilling deviation prevention
Well failure prevention