介绍了我国地质勘察工程的概念、特点与使用条件,从液动潜孔锤技术、组合钻探工艺、反循环钻探技术等方面,阐述了目前地质勘察中常用的钻探技术及特性,为钻探技术的选择提供参考.%The paper introduces the concept,features and utility features of the geological survey in China,and illustrates the common drilling techniques and features of the current geological survey from the down-the-hole hammer,combined drilling craft,and reverse circulation drilling techniques,so as to provide some reference for the selection of drilling techniques.
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