Core Insights - The expansion of the Wen23 gas storage facility has increased its daily peak gas supply capacity to 36.5 million cubic meters, enhancing overall gas storage and peak-shaving capacity by 22% [1] Group 1: Expansion Details - The Wen23 gas storage facility has a total design capacity exceeding 10 billion cubic meters, with a working gas volume of 4.002 billion cubic meters and a designed gas extraction capacity of 39 million cubic meters per day [1] - The expansion project added 1.934 billion cubic meters of capacity and 520 million cubic meters of working gas, with daily injection capacity increasing by 8 million cubic meters and daily peak gas extraction capacity increasing by 6.5 million cubic meters [1] Group 2: Technological Advancements - The expansion project utilized domestic innovation and localization to enhance the stability and autonomy of key equipment, including compressor units and triethylene glycol dehydration devices [2] - The facility has implemented intelligent operations using technologies such as laser methane remote sensing and remote monitoring of compressors, enabling remote process adjustments and safety valve operations [2] Group 3: Environmental Impact - The Wen23 gas storage facility has cumulatively delivered over 24 billion cubic meters of natural gas, replacing approximately 28.41 million tons of standard coal and reducing sulfur dioxide emissions by about 630,000 tons, dust emissions by approximately 75,000 tons, and carbon dioxide emissions by around 24.14 million tons [2] - The environmental benefits are equivalent to planting 1.01 million hectares of broadleaf forest [2] Group 4: Strategic Importance - Since the 14th Five-Year Plan, the National Pipeline Network Group has accelerated the construction of LNG receiving stations and underground gas storage facilities, contributing nearly 5 billion cubic meters of new gas storage capacity to support China's natural gas production, supply, storage, and sales system [2]

Core Viewpoint - The Liu Zhuang gas storage expansion project in the Yangtze River Delta has been fully put into operation, enhancing the region's natural gas supply stability and safety as part of the national oil and gas development plan for the 14th Five-Year period [1][3]. Group 1 - The project aims to further tap into the geological potential of the Liu Zhuang gas storage, improving emergency peak-shaving capabilities [1][3]. - The expansion is a key initiative in building the national natural gas production, supply, storage, and sales system, providing strong support for energy security in the Yangtze River Delta [7]. - The project was executed under high standards of control, ensuring safety and efficiency throughout the process, achieving zero errors, leaks, and accidents during operations [5]. Group 2 - The successful implementation of the project enhances the emergency response capacity of the region, contributing to the stable operation of the national gas pipeline network [7]. - Comprehensive technical preparations and risk management were conducted by the National Pipeline Network Group to ensure the smooth execution of critical operations [5]. - All pre-production conditions were thoroughly checked, and potential hazards were completely eliminated before the project went live [5].