The results show that longitudinal vibration of drill string is relative to rotary speed and weight on bit (WOB).

实验结果表明，钻柱的纵向振动主要与转速和钻压有关。

youdao

The results show that longitudinal vibration of drill string is relative to rotary speed and weight on bit (WOB).

实验结果表明，钻柱的纵向振动主要与转速和钻压有关。

youdao