摘要
介绍了瞬变电磁法视电阻率计算和时-深转换基本原理;根据现场地质水文资料,并结合实际巷道工作面操作环境,应用PROTEM EM-47HP系统,对12051工作面底板开展隐伏含水构造探测,印证了该系统对低阻异常体敏感、定向性好、精度高的特点;利用BETEM后处理软件分析数据,经正-反演处理得到底板地层视电阻率断面图和顺层剖面图,初步确定了存在突水危险的隐伏含水构造异常区,为下一步钻孔查证提供了依据。
This paper introduced the basic principles for the computing method of apparent resistivity and the timedepth conversion.According to the in-situ hydrogeological dataand in combination with the actual operating conditions of headings,the blind water-bearing structures of floors at the Face 12051were detected by employing the PROTEM EM-47HP system,which confirmed that this system was of the characteristics,including the sensitiveness,the well orientation and the high precision to the low resistive anomaly.The apparent resistivity section maps and bedding profiles of floors were made by utilizing the BETEM software to analyze the dataand through the forward and inversion technology,which preliminary ascertained the anomaly areaof blind water-bearing structures with risk of water inrush,providing the foundation for the check of boreholes in future.
出处
《山东科技大学学报（自然科学版）》
CAS
2010年第5期13-18,共6页
Journal of Shandong University of Science and Technology(Natural Science)
关键词
物探
瞬变电磁法
视电阻率
含水构造
geophysical prospecting
transient electromagnetic method
apparent resistivity
water-bearing structures
