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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摘要盐岩储库水溶造腔过程中，不溶物颗粒的运动和沉积特征，对建槽期的沉砂坑形态有显著影响。对此，针对典型盐矿的不溶物，开展颗粒级配分析及堆积试验，对不溶物在造腔流场中的运动状态及沉积特性开展理论分析，确立不溶物颗粒在卤水中的沉积速度；重点探讨建槽期流场对不溶物颗粒运动规律及对沉砂坑形态的影响；将理论成果应用于造腔模拟软件开发，应用结果表明腔体底部形态发展更符合工程实际情况，并基于此提出对工程的有利启发。

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关键词 ：岩石力学；盐岩；不溶物；水溶造腔；建槽期；颗粒；固&ndash, 液两相流

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

引用本文:

李银平1，2，施锡林1，刘伟1，2，王兵武1，马旭强1，杨春和1，2. 盐穴水溶造腔建槽期不溶物运动性态及应用研究[J]. 岩石力学与工程学报, 2016, 35(1): 23-31.
LI Yinping1，2，SHI Xilin1，LIU Wei1，2，WANG Bingwu1，MA Xuqiang1，YANG Chunhe1，2. Motion of insoluble subsidence during leaching sump for salt cavern storage. , 2016, 35(1): 23-31.

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

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