摘要
Underground gas storage is an important segment in China' s gas market.Because of the supply and demand misbalance of natural gas, the gas in underground storage is made available during the peak winter season.In the west of China, the Hutubi dry gas field is to be used for underground gas storage with a storage capacity of 4.5× 109 m3.A total of 37 wells will be drilled with 30 natural gas injection/withdrawal wells, 5 observation wells, and 2 water injection wells.