连续油管屈曲力学特性研究进展

Study Progress in Buckling Behavior of Coiled Tubing

为保证连续油管作业的可靠性与安全性,需对其屈曲力学特性进行研究。通过检索20世纪50年代后期以来的管柱屈曲相关文献,综述了不同井型下管柱屈曲问题研究进展。井筒形状、接头、扭矩、摩擦、旋转、螺旋逆转、封隔器等因素对管柱屈曲均有影响。对管柱屈曲的研究方法进行了概述和对比,并对管柱屈曲研究的未来走向做了探讨。为相关学者进一步深入研究连续油管管柱曲屈提供参考。

In order to ensure the reliability and security of the coiled tubing operations,to study the buckling behavior of coiled tubing is necessary. The Research Progress of buckling problems was summarized under different wellbore geometry and different improvements made in buckling anal ysis taking into account of the effects by retrieving the column buckling literature since the late 1950s. An overview and comparison of buckling research methods is also gave, and the buckling research direction in the future is discussed.