Core Insights - The YU37 gas storage facility in Yulin, Shaanxi, has commenced gas injection, marking the official operation of the largest natural gas "peak shaving + strategic" storage facility in Central and Western China [1] Group 1: Project Overview - The YU37 gas storage facility is a key national natural gas infrastructure project, playing a vital role in national gas strategic reserves and winter peak shaving [1] - The facility includes 37 injection and production wells, one gathering station, a bidirectional gas pipeline, and a production support point, with a total designed capacity of 9.72 billion cubic meters and a working gas volume of 2.7 billion cubic meters [1] - During off-peak seasons like summer and autumn, the facility can store natural gas from the Changqing gas area, with a maximum daily injection capacity of 17 million cubic meters, and can achieve a daily production of 30 million cubic meters during winter peak periods [1] Group 2: Technical Achievements - The YU37 gas storage facility has set multiple records in domestic gas storage well lengths and screen pipe depths [1] - The pipeline construction utilized advanced technologies such as "fully automated welding + fully automated ultrasonic testing + mechanical jointing + digital delivery," significantly enhancing welding quality and construction efficiency [1] - Key equipment at the new gathering station, including electric centrifugal compressors and triethylene glycol dehydration units, has been fully domestically produced, with the dehydration unit having the highest daily processing capacity of 10 million cubic meters among similar domestic equipment [1]

Core Viewpoint - The YU37 gas storage facility has officially commenced operations, marking a significant advancement in China's natural gas infrastructure, particularly for peak shaving and strategic reserves in the central and western regions [1][2] Group 1: Facility Overview - The YU37 gas storage facility is the largest natural gas peak shaving storage facility in central and western China, with a total design capacity of 9.72 billion cubic meters and a working gas volume of 2.7 billion cubic meters [1] - The facility includes 37 injection and production wells, one gathering station, a bidirectional gas pipeline, and a production support point [1] - It can store natural gas during off-peak seasons, with a maximum injection capacity of 17 million cubic meters per day and a peak supply capacity of 30 million cubic meters per day during winter [1] Group 2: Construction and Technology - The construction of the YU37 gas storage facility adhered to principles of efficiency, innovation, intelligence, safety, and environmental sustainability [2] - The gathering station, a key component of the project, was completed in 13 months despite challenging weather conditions and technical difficulties [2] - The project utilized advanced technologies such as fully automated welding and ultrasonic testing, significantly improving welding quality and construction efficiency [2] - The facility's dehydration equipment has the highest daily processing capacity in the country, reaching 10 million cubic meters, setting a benchmark for future gas storage projects [2]