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最近香港的费兰克·帕林公司(Fcahki Piling)在香港完成了高层建筑物的基地工程,该工程需钻进直径1.5米,深55米的钻孔。而香港这段地层含有极硬的花岗岩砾石层。该工程的完成引起了钻探界的广泛注意。因为用传统的钻进方法是无法完成
Recently, Hong Kong-based Fcahki Piling completed a basement project for high-rise buildings in Hong Kong that needed to drill holes of 1.5 meters in diameter and 55 meters in depth. This stratum in Hong Kong contains very hard granite gravel. The completion of the project has drawn the attention of the drilling community. Because using the traditional drilling method can not be completed