摘要
随着铁矿资源需求的扩大，地质找矿不断向纵深发展，尤其深度在500—1000m的中深孔，如何提高中深孔钻探施工的效率，是当前岩心钻探施工的重点。通过司家营铁矿南区深部钻探施工情况，论述了该工程的施工经验和方法。
Improving drilling efficiency in medium-deep hole is key point for coring drilling construction, especially for the medium-deep holes of 500-1000m. With the deep drilling case of Sijiaying iron mine, the paper discussed the construction method and the experience.
出处
《探矿工程（岩土钻掘工程）》
2010年第2期24-26,共3页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
中深孔
岩心钻探
钻探效率
护壁
套管
medium-deep hole
coring drilling
drilling efficiency
borehole wall protection
case
