瞬变电磁法在煤矿掘进工作面水害分析预测中的应用

Application of Transient Electromagnetic Method for Analyzing and Predicting Water Harms in Coal Mine Driving Face

掘进工作面水害问题是威胁煤矿生产安全的重要因素之一。为有效预防煤矿巷道掘进过程中水害事故的发生,采用井下瞬变电磁法对掘进工作面前方及顶底板岩层的富水性进行超前探测,通过对探测结果中的低阻异常区进行分析研判,再结合钻探效果验证,提前采取科学有效防治水措施,为掘进工作面安全掘进创造条件。实际应用表明瞬变电磁法结合钻探效果验证在掘进工作面水害分析预测中准确可靠,可有效防范掘进工作面水害事故发生,效果良好。

The water harms problem is one of the important factors to safety production in coal mine driving face,in order to prevent the water harms in driving face,the transient electromagnetic method is adopted to detect the water-abundance of front and roof and floor rocks in driving face,based on the detection results of low-resistivity area,and combined with the drilling verification,the scientific and effective measures should be taken in advance to create safety conditions for coal driving face.The application shows that the combination of transient electromagnetic method and drilling verification is accurate and reliable in the analysis and prediction of water harms in driving face,and can effectively prevent the occurrence of water harms in driving face,and the result is good.