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Shiyan-2 / Experiment 2

The No. 2 marine scientific research vessel is a 1100-ton [some Chinese sources report the total tonnage is 655 tons] marine geophysical exploration vessel. The No. 2 marine geophysical exploration vessel was built in 1979 by the Guangzhou Shipyard. With a length of 68.45 meters, the ship beam is 10 meters, draf 3.65 meters. It has two engines, with each engine developing 1100 horsepower. With adjustable pitch propeller, the maximum speed is 11.5 knots, endurance 5000 nautical miles, capacity 70 people. It is mainly used for geological, geophysical and marine engineering environments and wellsite and pipeline engineering surveys of marine oil and gas and mineral resources development.

The design includes advanced DGPS differential positioning system, multi-beam geomorphology instrument, wind wave automatic compensation sounding system, reflection, refraction seismic detection system, electric spark array device, ocean gravity, ocean magnetic force, side sonar, shallow layer profiler, etc. device.

Since 1994, the Experiment 2 carries out dozens of oil resources survey voyage around the Nansha Islands, Nansha most reefs around the track. In recent years, the National Natural Science Foundation of China, the South China Sea geological geophysical voyage, the National Fund Committee's major research plan, the South China Sea Central Sea Basin three-dimensional seabed seismic instrument ( OBS ) exploration voyage and other tasks, in the study of the South China Sea crustal structure characteristics, determine the area of ??strong seismic activity Characteristics and regional crustal stability have played an important role in investigating the distribution of oil and gas resources (gas hydrates) in the South China Sea.

"Experiment 2" is operated by the Marine Science Research Center of the Chinese Academy of Sciences. According to reports, "Experiment 2" has been adapted by the fleet engineering center, and it has already possessed multi-disciplinary comprehensive investigation capabilities. The ship has 911plus CTD, shipborne ADCP, automatic weather station, wet laboratory and other basic equipment. Multidisciplinary integrated operations such as physical oceans, marine life, marine chemistry, marine geology, and ocean remote sensing.

The experimental No. 2 marine scientific research vessel has advanced DGPS differential positioning system, multi-beam geomorphology instrument, wind wave automatic compensation sounding system, reflection and refraction seismic detection system, electric spark array device, ocean gravity, ocean magnetic force, side sonar, Survey equipment such as shallow profiler.

The South China Sea Institute of Oceanology (SCSIO) was founded in 1959. It is one of the largest marine research institutes in China and is also a participant in CASs Knowledge Innovation Program. SCSIO has two research vessels, Shiyan 2 and Shiyan 3, which are capable of carrying out large-scale oceanographic surveys. The institute is also acquiring a new small-waterplane-area twin hull (SWATH) ship for research purposes. In addition, SCSIO has a Tropical Marine Biology Specimen Hall and an Information Service Center.

The Chinese Peoples Liberation Army Navy or PLAN has been sending a large number of oceanographic survey ships to the Indian Ocean region. Besides, Chinese warships and nuclear submarines have been making port calls in Colombo.

The "Experiment 2" scientific research ship successfully completed the 2015 National Natural Science Foundation of the South China Sea North Geophysical Exploration voyage mission, and returned to Guangzhou Xinzhou Wharf. This voyage is based on a voyage survey. It lasted for 40 days and collected 600 km of multi-channel earthquakes, 900 km of towed magnetometers and 500 km of submarine seismograph line data, and launched and recovered submarine seismographs and electromagnetic field instruments. A total of 27 times, successfully completed the scheduled tasks from various units in the country. In addition, the voyage also launched seven long-term broadband passive source submarine seismographs, which laid a good foundation for long-term monitoring and collection of deep-sea seismic wave data. This voyage successfully completed the task and obtained a large amount of data, and also benefited from the successful renewal and transformation of the air compressor. The newly equipped four large-capacity arrays have increased the inflation time from 120 seconds to 80 seconds. The deep seismic line has more dense shots and more energy, which effectively improves the accuracy and resolution of deep ocean structure detection. It provides a strong scientific platform guarantee for sharing voyages.

M/V SHIYAN 2 was repaired by CIC Boluomiao shipyard. Shipowner was quite satisfied with the performance, and they expressed their gratitude to CIC Boluomiao shipyard. We had asked other shipyards to repair M/V SHIYAN 2, but they all failed to solve the problem. We have great confidence on your company which well repaired our vessel. said the ship owner of M/V SHIYAN 2 on June 23rd, when the ship was finally repaired and left the shipyard.

Before the ship arrived to CIC Boluomiao shipyard on 15 June 2011, the shipyards technician sailed after the ship to observe the situation and find out the causes of the problem, so that the shipyard can resolve the problem of oil leakage from stern shaft. After she arrived to the shipyard, the staff began to work in the engine room at a high-temperature of 40 degree. They lay on the axis/stern tube to take a careful measurement and checked every part to find out where was the problem. Based on the information collected from the inspection, the shipyards staff worked out a scientific plan for further repair. After completing the repair work, the shipyard did several tests and found the result was satisfactory. The problem of oil leakage was completely repaired. The good performance on solving the oil leakage problem for M/V SHIYAN 2 has boosted the reputation of CIC Boluomiao shipyard.

Four research vessels set out simultaneously on 11 June 2019 for different seas in Chinese territory, aiming to collect marine research data. Scientists hope the research can provide support for ecological protection of offshore areas as well as disaster prevention and reduction. Research vessel Chuangxin 1 left Yantai in Shandong province for the Yellow River Estuary which flows into the Bohai Sea. Kexue 3 and Chuangxin 2 departed from another Shandong city, Qingdao. Kexue 3 is headed to both the Yellow and South China seas, while Chuangxin 2 made its way to the Yangtze River Estuary, which flows into the East China Sea. The Shiyan 2 left Guangzhou, Guangdong province, for the Pearl River Estuary and then the South China Sea.

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Page last modified: 01-08-2021 14:08:19 ZULU