The study of experience accumulated by specialists of offshore drilling of foreign countries has shown high efficiency of underwater rotary action samplers. Meanwhile, in the USSR there are no such designs, which significantly hinders the progress of domestic research of the ocean floor ...
When conducting mapping and research geological works in the ocean, the greatest interest for scientists are its deep-water areas, the study of the composition of the bottom of which is currently difficult due to the lack of simple and effective means of selecting dialog columns of the surface layer (first meters) of bottom soils ...
Recently, in many countries, interest in the use of mineral resources of the seas and oceans is increasing. Modern technology allows the development of underwater deposits of many minerals. As a rule, these are placers located at shallow depths (up to 50-100 m).
