盐穴水溶造腔建槽期不溶物运动性态及应用研究

doi:10.13722/j.cnki.jrme.2015.0025

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Abstract During the process of salt cavern leaching for oil/gas storage，the motion and subsidence of the insoluble particles have great influence on the shape of insoluble substance sump. The grain size distribution was analyzed and stacking experiments were carried to the insoluble particles of typical salt rock. Theoretical research was conducted on the moving and subsidence properties of the insoluble particles subjected to the action of flow field in cavern making. The subsiding velocity of the insoluble subsidence in brine field was established. The influence of the flow field on the moving principle of the insoluble particles in the construction phase of groove and the induced influence on the settlement pit were the focus of the research. The theoretical achievements were written into the software of Salt Cavern Builder. The results of modelling with the software showed that the shape evolution of the cavern bottom was more suitable for the real engineering conditions.

Key words： rock mechanics salt rock insoluble substance solution mining leaching sump solid particles two phases flow of solid-water

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http://www.rockmech.org/EN/10.13722/j.cnki.jrme.2015.0025 OR http://www.rockmech.org/EN/Y2016/V35/I1/23

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