Field tests of the Surface Electromagnetic Prospecting System
Li Meng1,2, Di Qingyun1,2
1. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China; 2. Key Laboratory of Shale Gas and Geo-engineering, Chinese Academy of Sciences, Beijing 100029, China
Abstract：The Surface Electromagnetic Prospecting (SEP) System developed by ourselves have already been tested in China and abroad.The test comparison with other similar field instruments was carried out.Test results show that the SEP System has similar specifications with the other instruments,and some performances are even better.In order to test the consistency,stability and reliability of the SEP System (including electric receiver stations and magnetic sensors),well-designed batch comparison tests have been conducted in Zhangbei,Hebei.In the tests the SEP System received natural source electromagnetic data and controlled source electromagnetic data.The apparent resistivity of the natural source field and the controlled source field are consistent,and the errors are within a reasonable tolerance.The comparison of a large amount of data proves both the receiver stations and the magnetic sensors have reliable and stable performances.Our practice proves the effectiveness of our comparison test approach,and the test results show that the SEP System can acquire high-quality electromagnetic data for the deep hydrocarbon and other mineral resource exploration.
李萌, 底青云. 地面电磁探测接收系统批量对比试验[J]. 石油地球物理勘探, 2018, 53(1): 186-194.
Li Meng, Di Qingyun. Field tests of the Surface Electromagnetic Prospecting System. Oil Geophysical Prospecting, 2018, 53(1): 186-194.
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