Combined with the key knowledge of urban gas transmission and distribution, and based on an in-depth analysis of current situation and characteristics of abandoned coal mine resources and utilization in China, this paper studies the restrictions of the permanent underground space of abandoned coal mine as urban natural gas storage space, and puts forward an idea of natural gas storage in abandoned coal mine. Sealing is the limiting condition of natural gas storage in abandoned coal mines. According to the determination of urban peak shaving gas volume, using the permanent underground space of abandoned coal mine, and cooperating with the underground space transformation and surface engineering construction, the abandoned coal mine well can be used as the underground gas storage, so as to effectively solve the imbalance between natural gas supply and demand in different periods of the city.

abandoned coal mine  /  gas  /  gas storage  /  systems engineering  /  process design