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According to the data from the Shanghai Cable Engineering and Design Institute, the demand for cable for petroleum platforms is directly related to the number of oil platforms. The usage of each type of offshore oil platform cable is: 150 km for self-elevating platform, 180 km for semi-submersible platform, 200 km for oil production platform, 200 km for production platform and 100 km for living platform. Based on this estimation, each year, China's new construction and maintenance of offshore oil platforms require various cables ranging from 8,000 to 10,000 kilometers. It is expected to exceed 25,000 kilometers by 2020. As far as oil exploration projects are concerned, Sham Tseng Survey Cables, Deep Well Submersible Pump Cables, Heating Automatic Temperature Control and other multi-function cables, according to incomplete statistics, have an annual demand of approximately 15,000 km. If coupled with oil exploration and drilling platforms in coastal areas, the demand is also incalculable. There is a large gap between the supply and demand of oil platforms. At present, China's oil platform cable has basically been domesticated, and the annual production capacity of domestic enterprises is about 8,000 to 10,000 kilometers. According to the current domestic production capacity and demand growth ratio, it is estimated that the supply and demand gap will reach about 10,000 kilometers by 2020.
Submarine cable demand continues to grow
With the current global oil and natural gas resources becoming increasingly tense, land-based mining has begun to shift to the marine sector on a large scale, and the scale of offshore oil and natural gas projects has continued to expand. Power and communications from land to offshore oil platforms, platforms and platforms are needed. The feedback and control of transmission and technical data have led to an ever-increasing demand for integrated submarine cables. According to China's oil development plan, China's offshore oil development will usher in a period of rapid development. In the next five years, 120 billion yuan will be invested in offshore oil development. It is expected that between 2010 and 2020, the growth rate of oil platforms will remain at 8% to 10%. The number of oil platforms in China is about 250 in 2008, and each submarine integrated cable that requires maintenance every year is about 10km. The total number of submarine integrated cables required for each new oil platform is approximately 40km. In addition to the large number of submarine integrated cables required for oil platforms, China’s development and utilization of islands has also increased the demand for submarine integrated cables. Together with the demand for offshore integrated cables for offshore wind power projects, a comprehensive assessment of island development and offshore wind power has been made. The annual demand for submarine integrated cables is about 300 kilometers. According to calculations, the gap between the supply and demand of China's submarine integrated cable in 2010 is about 3,000 kilometers.