...钻柱横向振动 扭转振动 [gap=896]Keywords : Deep well, Well drilling, Axial vibration, Lateral vibration of drill string, Torsional vibration ...
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文章针对钻井工程中钻柱横向振动的实际情况，建立力学模型。
This paper analyzed the practical situation of drilling string lateral vibration during drilling, established mechanical model.
目前对钻柱横向振动的研究基本上忽略了横向振动的激发来源和轴向力的存在。
At present, axial load and excited origin of drilling string lateral vibration is usually neglected.
从理论上分析了轴向载荷存在的情况下钻柱横向自由振动的规律，获得了钻柱横向振动固有频率。
The rule of lateral vibration under axial load was studied in theory, the inherent frequency of drilling string was obtained.
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