Physical Simulation Experiment On Dual Well Solution Mining For Salt Cavern Gas Storage

The dual-well solution mining technology has irreplaceable advantages,such as improving water injection capacity,reducing energy consumption,increasing cavern volume,and shortening the period of building.Relying on the major science and technology projects and with the purpose of exploratory thinking and pioneering,this paper focuses on rock-salt dissolution mechanism and solution mining cavity-building engineering,by choosing the actual core and indoor physical simulation experiment and mainly analyzes the related parameters.(1)It designs the solution experiment method and the related experiment device and carry out the experiments about the factors of the brine concentration,solution obliquity,water injection rate.(2)It proposes a visual experimental method and corresponding experimental apparatus is designed.Physical simulation experiment on dual well solution mining for salt cavern gas storage is based on the similarity theory.We get the experiment model,and calculate the rate of rock-salt dissolution and cavity net volume.(3)The experimental related parameters are designed based on the project in field,including water injection capacity,the distance between two well,circulation mode,etc.The optimized plan for the actual reference is given.