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根据枯竭砂岩气藏地下储气库的运行特点和储层特征,研究建立了注气系统和采气系统节点分析模型,模拟敏感性参数对注采系统流动特征的影响,确定了注采井最大注采能力和完井管柱尺寸,为储气库系统模拟、开关井方案优化提供技术支持,从而实现储气库系统的优化和运行参数的优选。
According to the operation characteristics and reservoir characteristics of the underground gas storage in the depleted sandstone gas reservoir, the node analysis model of the gas injection system and gas production system was established and the influence of the sensitivity parameters on the flow characteristics of the injection-production system was studied. Injection capacity and completion string size to provide technical support for the simulation of gas storage system and the optimization of the switch well program so as to optimize the gas storage system and optimize the operating parameters.