物探方法在济宁某地热井勘查中的应用

Application of Geophysical Prospecting in Geothermal Well Exploration in Jining City

利用物探方法对于查明地下地质情况,划分地层,查找地质构造具有明显优势。可控源音频大地电磁法具有探测深度大,纵向分辨能力强,穿透高阻屏蔽作用强的特点,充分发挥其特点,选用其他方法对于异常加以验证,结合测区的水文地质资料、地热成因及分布特征进行综合分析,就能为地热资源勘查开发提供地球物理依据。该文介绍可控源音频大地电磁测深法(CSAMT)和瞬变电磁法(TEM)两种方法在济宁某地地热资源勘查中的应用及验证情况。

The geophysical prospecting method specializes in underground geological investigation, strata division and geological structure exploration. The Controlled Source Audio Magnetotelluric method （CSAMT） features in deep detection, strong longitudinal resolution capability and penetrability capability. Using this method, based on the related hydrogeologic data, geothermal origin and distribution, could provide geophysical basis for exploration of geothermal resources. This paper introduces the application and verification of CSAMT and Time Domain Electromagnetic Method （TEM） in geothermal resources exploration in Jining city.