试验成功！我国全面掌握这一关键技术

Core Viewpoint - The successful completion of the gas storage sealing cycle test at the world's largest artificial cavern gas storage in Changsha, Hunan, signifies China's mastery of relevant technologies in the artificial cavern gas storage sector, which will accelerate the large-scale and industrial development of compressed air energy storage [1] Group 1: Technical Achievements - The test achieved a pressure breakthrough of 18 MPa, which is the highest level for artificial cavern gas storage [1] - The performance indicators of the gas storage facility, including sealing and stability, reached international first-class standards through high and low-pressure cycling and a continuous operation verification of "double 168 hours" [1] - The test set five world records for ultra-high pressure, ultra-tight sealing, ultra-high reliability, ultra-comprehensive perception, and ultra-high efficiency [1]