Application of Liquid Carbon Dioxide Phase Change Fracturing Technology in the Construction of Jianquan Pumped Storage Project
With the implementation of carbon peak and carbon neutrality goals,the construction of pumped stor-age projects has ushered in new development opportunities[1].Construction of the major project will begin im-mediately after the program is approved.There is no preparation period for the construction of Yunyang Jian-quan Pumped Storage Project.Preliminary projects such as water,electricity,roads and site leveling were im-plemented simultaneously with the main project.Road No.15 is the only traffic artery connecting the approach road and the right dam top of the lower reservoir and needs to be opened quickly.The stone slopes of some sections need to be excavated to meet the design requirements.Based on this project,the process of using car-bon dioxide phase change fracturing technology to achieve controllable engineering progress,safety and relia-bility,and significant social benefits under the conditions of the construction of the pumped storage project road project without blasting approval and complex surrounding environment is described in this paper.
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