国家管网集团“全国一张网”建设步稳蹄疾

Core Viewpoint - The National Pipeline Group is making significant progress in the construction of a unified national pipeline network, with a strong focus on safety, quality, and timely completion of projects as it approaches the halfway mark of its 2025 goals [1]. Group 1: Major Pipeline Projects - The "West-to-East Gas Transmission Project" Phase III has a total length of 2,090 kilometers, with the middle section completed and expected to be operational by September this year [4]. - The "West-to-East Gas Transmission Project" Phase IV has a total length of 3,340 kilometers and an annual gas transmission capacity of 15 billion cubic meters, with the section from Turpan to Zhongwei already completed and operational [6]. - The "Hulin-Changchun Natural Gas Pipeline" project spans 2,073 kilometers and is designed for an annual gas transmission capacity of 10 billion cubic meters, with the main welding completed and expected to be operational by the end of this year [8]. - The "Zhangzhou LNG Receiving Station" Phase I has been put into operation, while Phase II is under construction and expected to be operational by the end of August this year [9]. - The "Guangxi LNG Export Pipeline" project has a total length of 346.8 kilometers and an annual gas transmission capacity of 1 billion cubic meters, with 217 kilometers of welding completed [11]. - The "Tianjin LNG Export Pipeline" project has a total length of 136.84 kilometers and an annual gas transmission capacity of 15.6 billion cubic meters, with the Hebei section already operational [13]. - The "Lianyungang to Yizheng Crude Oil Pipeline" project spans 435 kilometers and has an annual oil transmission capacity of 18.5 million tons, with over 85% of the pipeline laid [15]. - The "Jintan Gas Storage Facility Expansion" project has made significant progress in the first half of this year, with key systems installed and successfully powered [17]. Group 2: Provincial Key Projects - The "Longkou Nanshan LNG Receiving Station" project has a pipeline length of 29.4 kilometers and a daily gas transmission capacity of 8.9 million cubic meters, currently completed and ready for operation [20]. - The "Shenzhen LNG Emergency Peak Shaving Station" project features two 200,000 cubic meter underground LNG storage tanks, with the first phase completed [22]. - The "Hainan LNG Receiving Station" Phase II is under construction, with three 220,000 cubic meter LNG storage tank foundations completed [24]. - The "Nanning-Pingxiang Branch Line" has successfully commenced operations, connecting the city of Chongzuo to the national natural gas main pipeline network [26]. - The "Nenjiang Direct Natural Gas Pipeline" project spans 194 kilometers and is designed for an annual transmission capacity of 863 million cubic meters, with the entire line completed and expected to be operational by September [28].