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介绍了建设天然气地下储库的地质基础,阐述了建库的岩体其主要结构面分布及地应力分布特征。对影响洞库稳定性和水封条件的可靠性问题进行了剖析。以储丙烷、丁烷为例,说明地下水压力必须大于储品压力。针对储气库的特点,评析了其应用前景及经济效益。
The geological basis for constructing underground reservoir of natural gas is introduced. The distribution of main structural plane and the distribution of geostress of rock mass in reservoir construction are expounded. The reliability problems affecting the stability of caverns and water seal conditions were analyzed. Taking propane and butane for example, it shows that the pressure of groundwater must be greater than the pressure of storage. According to the characteristics of gas storage, the application prospects and economic benefits are analyzed.