Refracted waves usually removed for processing and interpretation of the marine seismic data. However, they can provide additional information about the structure of the section and the presence of local low velocity zone. In this work the seismic section of the refracted waves along the profile 5-AR (East Siberian Sea) was constructed. With help the refracted and reflected waves was detected the low-velocity anomaly due to hydrocarbon deposit. Made refinement of the structure of the upper part of the lifting of Wrangel. Showed the advantage of using refracted waves for processing of the multichannel marine seismic data. Proposed to use the refracted wave in the processing and interpretation of marine seismic data. Showed the original method of determining the low-velocity anomalies, wich located in the sedimentary rocks.


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