海洋可控源电磁探测技术海底工程勘探应用研究  

Research about Sea-floor Engineering Exploration of Marine Controlled Source Electromagnetic Method

作　　者：李慧[1] 林君[2] 周逢道[2] 刘长胜[2] 王艳[2] 周国华[2] 

机构地区：[1]长春工业大学电气与电子工程学院,长春130012 [2]吉林大学地球信息探测仪器教育部重点实验室,长春130061

出　　处：《上海交通大学学报》2012年第7期1153-1158,共6页Journal of Shanghai Jiaotong University

基　　金：国家高新技术发展计划(863)项目(2002AA615030);吉林省科技厅自然科学基金项目(201215121);吉林省教育厅科研计划项目(吉教科合字[2011]第110号)资助

摘　　要：采用可控源电磁法进行海底工程及资源勘探,采用垂直磁偶极装置拖曳测量,分析了上覆海水对于感应电压曲线的影响及剖面图的理论形态;进行了线圈小型化研究,通过计算和实验得到能够用于海底探测的磁偶极装置的参数;基于以上理论研究完成了海底模型实验及输油管线探测实验,准确地探测到海底异常及输油管线位置及深度.Sea-floor controlled source electromagnetic method is employed in the sea-floor engineering and resource exploration. Vertical magnetic dipole device is used for dragging measurement. The influence of induced electromotive force curve caused by overlying seawater and different dipole moments and the theo-retical form of cross-section diagram are both analyzed. Coil miniaturization research has been performed. Parameters of magnetic dipole device, which are used to sea-floor detection, can be obtained by calculation and experiments. Submarine model experiments and oil pipeline detection experiments are fulfilled based on the above theoretical study, thus, accurately detecting the seafloor abnormal accidents and the position, depth of oil pipeline.

关 键 词：海洋可控源电磁法 电导率 垂直磁偶极装置 中心回线装置 海水影响 

分 类 号：P631[天文地球—地质矿产勘探] P738[天文地球—地质学]