Method, system and equipment for improving gas reservoir recovery efficiency and sealing storage of CO2 and storage medium

The invention relates to the technical field of carbon dioxide capture, utilization and geological sequestration, in particular to a method, system and equipment for improving the gas reservoir recovery efficiency and sequestration of CO2 and a storage medium, and the method comprises the steps that S100, dynamic parameters of a developed target gas reservoir in the current state are obtained, and key factors are analyzed; s200, constructing a potential prediction model for improving the recovery efficiency by CO2 of the target gas reservoir, and generating the CO2 drive recovery efficiency improvement amplitude of the target gas reservoir; s300, analyzing whether the CO2 drive recovery rate increasing range of the target gas reservoir is larger than the economic extraction range or not; s400, constructing a basic numerical simulation model of an actual development well group of the target gas reservoir, and generating an economic net present value and a CO2 geological storage amount; s500, generating a conve