Abstract
The marine controlled-source electromagnetic (MCSEM) method is an important geophysical technique for seabed resource exploration. During the MCSEM exploration process, distortion and noise will inevitably appear in the original data collected by the receiver due to various interferences and geological factors. The data preprocessing technology, therefore, is essential to improve the data quality for further inversion explanation of the seabed’s geological structure. Through tracing and analyzing the relevant literature published over two decades on MCSEM data preprocessing technology, including data correction and noise suppression methods, this Review first introduces the basic principle of MCSEM exploration and then analyzes the advances, limitations, and challenges of its current application. Ultimately, this Review discusses the prospects of this technology, providing a reference to relevant industries and researchers.
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