... 钻柱转矩：drill string torque 钻柱震动：drill string vibration 钻柱悬于空气中之重量：air weight ...
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twisting vibration of drill string 钻具的扭转震动
drill string longitudinal vibration 钻柱的纵向振动
drill string torsional vibration 钻柱的扭转振动
Lateral vibration of drill string 钻柱横向振动
drill string lateral vibration 钻柱横向振动
The accurate estimate of the drill string vibration and the corresponding technique are very important to protect the FEWD equipment and increase the comprehensive efficiency.
准确判断井下钻具振动并采取相应的技术措施对于有效保护FEWD测量仪器、提高钻井综合效益具有重要意义。
Finally, the paper introduced effective control methods of common drill string vibration and deviation problem.
最后对常见的钻柱振动和井斜问题介绍了有效的控制方法。
This article takes the near-bottom drill string in an extended reach well as the subject to study the drill string vibration rules.
以大位移井近井底的钻柱为研究对象，分析了钻柱振动行为所遵循的规律。
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