我国煤矿井下钻孔物探技术发展与分析

Development and analysis of borehole geophysical prospecting technology in China

利用钻孔空间进行孔中地球物理探测是矿井勘探技术研究的一个重要方向,钻孔物探技术可以有效延伸勘探的距离、范围,提升对孔周地质条件的勘探精度.文章结合国内常用矿井地球物理勘探方法及其优缺点,阐述了近年来矿井钻孔物探技术与装备的发展历程和现状.面对当前国内煤炭开采深部化、地质条件复杂化的发展形势,以及安全精准开采对地质探查的高精度要求,分析了矿井钻孔物探技术在基础理论、技术体系、仪器设备、工程应用等方面存在的不足,并从井下钻孔地质地球物理精细探查技术体系、孔中多地球物理场协同观测及耦合分析、井下钻孔随钻多场多参数采集技术与装备、综合提升煤矿井下探测信息智能化水平等几个方面提出未来发展思考,为矿井钻孔物探技术与装备持续研究与应用提供参考.

Geophysical exploration in the boreholes by using borehole space is an important direction of mine exploration technology research,and drilling geophysical exploration technology can effectively extend the exploration distance and scope,and improve the exploration accuracy of geological conditions around the hole.Based on the common geophysical exploration methods and their advantages and disadvantages in China,this paper expounds on the development history and current situation of borehole geophysical exploration technology and equipment in mines in recent years.In the face of the current development trend of deep and complicated geological conditions of domestic coal mining,and the high-precision requirements of safe and accurate mining for geological exploration.This paper analyzes the shortcomings of borehole geophysical prospecting technology in basic theory,technical systems,instruments and equipment,engineering applications,etc.And put forward the future development thinking from several aspects,such as fine exploration technology system of underground borehole geology and Geophysics,cooperative observation and coupling analysis of multiple geophysical fields in the borehole,multi-field and multi-parameter acquisition technology and equipment for downhole drilling while drilling,comprehensively improve the intelligent level of underground detection information in coal mines,etc.It provides a reference for the continuous research and application of borehole geophysical prospecting technology and equipment.