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一、前言以地热为调查对象的物理勘探,主要使用电法、电磁、重力、磁法、微震观测和地温调查等方法。地震勘探,特别是反射法地震勘探,可以说并非十分有效。就石油、天然气的物理勘探而言,反射法的地震勘探技术是相当成熟的,根据SEG 1984年的统计可知,全世界仅陆地上的石油地震勘探测线长度已达425,758英里。然而,以地热为调查目的的勘探却仅有60英里。不言而喻,其主要理由是因目前的能源供应对石油和天然气的依赖程度很高。然而,与主
I. Preface Taking geothermal as the physical prospecting target, we mainly use electrical method, electromagnetic method, gravity method, magnetic method, microseismic observation and ground temperature survey. Seismic exploration, especially reflection seismic exploration, can not be said to be very effective. In the case of physical exploration of oil and natural gas, the seismic exploration technique of reflection method is fairly mature. According to SEG 1984 statistics, the total length of oil seismic exploration on earth is only 425,758 miles around the world. However, exploration for geothermal purposes is only 60 miles. It goes without saying that the main reason for this is that the current dependence on oil and gas is very high due to the current energy supply. However, with the Lord