高密度电法的典型正演地电模型及其在穿越工程勘查中的应用  

THE HIGH-DENSITY RESISTIVITY METHOD AND ITS APPLICATION TO ENGINEERING INVESTIGATION

作　　者：付小明[1] 杜毅 吴有亮 邓艳 雷宛[1] 

机构地区：[1]成都理工大学信息工程学院,成都610059 [2]中国石油集团工程设计有限责任公司西南分公司,成都610051

出　　处：《物探化探计算技术》2011年第5期501-506,462,共6页Computing Techniques For Geophysical and Geochemical Exploration

摘　　要：当油气管道的穿越工程遇到卵石覆盖区、围堰采砂区,以及裂隙发育带等时,由于地区结构复杂,孔隙大的原因,将造成浅层地震勘探效果不佳。鉴于此,这里根据高密度电法原理,并从正演模拟出发,研究了高密度电法在卵石覆盖区、围堰采砂区及裂隙发育带进行工程勘察的可行性和效果,并将该方法应用于工程实例。结果表明:对于卵石覆盖区、围堰采砂区,以及裂隙发育带的工程地质条件,高密度电法在穿越工程中的勘探效果更好。The effect of shallow seismic exploration method is poor for the complex geological structure such as coverage region of grain,cofferdam sand pit or fracture zone which the oil and gas pipelines construction often encounters.In view of this,this paper studied the feasibility and effectiveness of high-density resistivity method in coverage region of grain,cofferdam sand pit or fracture zone based upon the forward simulation principles and through the forward simulation and engineering investigation application.The results show that the effectiveness of high-density resistivity method is better than shallow seismic exploration in those regions.

关 键 词：高密度电法 穿越工程 正演模拟 

分 类 号：P631.322[天文地球—地质矿产勘探]