Hydrocarbon micro-seepage is a common phenomenon over oil and gas reservoirs. Remote sensing data are important sources in extracting seepage information for the exploration of oil and gas resources. This paper presents the theory of hydrocarbon micro-seepage and describes different manifestations of hydrocarbon micro-seepage at continental surface, in offshore area and on sea surface. An overall discussion is given in this paper concerning the research progress and the development trend of the remote sensing technology in China.
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