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分析了水平力的特性、井筒装备结构的特性以及破坏机理；提出了井筒装备结构静动力计算模型，水平力计算荷载确定方法以及立井刚性井筒装备结构的计算方法．
The characteristics of horizontal force, the characteristics of wellbore equipment structure and the failure mechanism are analyzed. The calculation model of wellbore equipment structure, the calculation method of horizontal force calculation load and the calculation method of shaft rigid borehole equipment structure are proposed.