岩土力学2012，Vol.33Issue(3)：681-686,6.
盐穴储油(气)库水溶造腔管柱动力特性初探
Preliminary study of dynamic characteristics of tubing string for solution mining of oil/gas storage salt caverns
摘要
Abstract
The dynamic characteristics of the tubing string for solution mining of oil/gas storage caverns are studied preliminarily. It is implied that the buckling of tubing string will induce damage and failure of tubing. Through the preliminary study of vibration characteristics of tubing string without space constraint, the critical velocity expression of tubing string in an ideal condition is obtained. Computation analysis shows that the tubing string without space constraint will generally suffer buckling due to fluid-solid coupling vibration; and the inner casing will reach buckling prior to the out casing generally. Considering the importance and complexity of this problem, the influences on the critical velocity analysis mechanical model of conditions, axial force, fluid pressure, solution mining cycling method, horizontal constrains, and the coupling of axial liquid hammer and transverse vibration, are discussed roughly. Finally, considering space constraint, some research advices on the all-sided analysis of the tubing string dynamic characteristics are proposed.关键词
盐穴储油(气)库/造腔管柱/动力失稳/临界流速/约束Key words
oil/gas storage salt cavern/ tubing string for solution mining/ dynamic buckling/ critical velocity/ constraint分类
建筑与水利引用本文复制引用
李银平,杨春和,屈丹安,杨长来,施锡林..盐穴储油(气)库水溶造腔管柱动力特性初探[J].岩土力学,2012,33(3):681-686,6.基金项目
国家重点基础研究发展规划(973) (No.2009CB724602,2009CB724603). （973）
