On September 28, as the offshore pipelaying vessel "Binhai 109" laid the final pipe termination head in the southern waters of the Bohai Sea, China's total length of subsea oil and gas pipelines surpassed 10,000 kilometers, ranking among the top in the world.

This year, China has achieved multiple breakthroughs in subsea pipeline construction. In the Yingge Sea area off Hainan Island, two subsea pipelines supporting the Dongfang 13-3 block development project were successfully put into operation, achieving interconnection of the subsea pipeline network around Hainan Island. In the Bohai Bay, China's largest offshore crude oil production base, the country's most dense subsea pipeline network has been established, with the total length of subsea oil and gas pipelines exceeding 3,200 kilometers.

Song Yanlei, Deputy Manager of the Subsea Pipeline Center at CNOOC Offshore Oil Engineering Co., Ltd.: With the commissioning of this batch of pipelines in the southern Bohai Sea, the density of the Bohai pipeline network has reached over 4 kilometers of pipeline length per 100 square kilometers of sea area.

To date, China has built nearly 200 kilometers of new subsea oil and gas pipelines this year. According to plans, by 2030, the total length of China's subsea pipelines is expected to exceed 13,000 kilometers, further enhancing the density of the marine energy transportation network. Against the backdrop of the transition to new energy, these pipelines also have the potential to be compatible with the transportation of clean energy sources such as hydrogen and shale gas, providing flexible support for the optimization of the energy structure.