In the course of sidetracking of horizontal holes, lateral drill string vibration often occurs.

在水平井的侧钻过程中, 钻柱很容易发生横向振动,引发钻柱失效、井眼扩径等严重事故.

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This paper presents the and trend of drill string vibration analysis technique abroad and at home.

该文概括了钻具振动分析技术的国内外发展概况及其在我国的应用前景.

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Drill string vibration was analyzed based on vibration theory and finite element method.

根据振动理论和有限元方法,研究了钻柱振动的模态.

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