Based on practical needs of governments and enterprises, a new development direction is proposed for deep sea exploration vessels. The advantages and disadvantages of the existing main vessels are analyzed according to their development status in this paper. It is planned to develop a new-type of unmanned, low-cost, long-range, highly quiet deep sea cruiser and AI automatic vessel, which will be able to cruise in the oceans, detect the distribution of important substances in sea water and on the seabed, obtain key physical and chemical information of the marine environment, and draw the distribution map of important global underwater resource data, which will help the development of related marine industries.


At the ‘Ocean International Forum’ at the China Ocean Economic exposition in October 2019, Gilles Lerricles, director of European and international affairs of IFREMER, said that human beings had known the surface of the moon and even Mars. However, only less than 5% of the seafloor has been explored. He said that he would discover new species every time he went deep into the sea. It can be seen that we have just begun to explore the ocean, and we still need a lot of efforts and innovation.

Deep sea facility is one of the most critical tools for ocean exploration. Advanced survey vessel will help speed up the exploration of the ocean. This paper focuses on deep sea exploration facility and carries out the following discussion.

Development Status of Deep sea Exploration Vessels

At present, there are several kinds of deep sea exploration vessels at home and abroad: deepsea drilling ship, manned submersible, cabled underwater robot, underwater glider etc.

Deepsea drilling vessel

The ocean drilling program is an international research program sponsored by the National Science Foundation of the United States and participated by scientists or research institutions who study the structure and evolution of the earth (Zhu, 2005). Since 1968, the program has carried out four stages of scientific research activities in the past 50 years, including deep sea drilling program, ocean drilling program, integrated ocean drilling program and international ocean discovery program. More than 3000 wells have been drilled in the world's oceans, and the cumulative coring has exceeded 400000 meters, and fruitful results have been achieved (Liu, Li and Wei, 2018).

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