Drill Pressure Control 钻井压力控制
rotary drill with oil pressure 油压转盘钻机
Hydraulic Pressure Percussion Drill 液压冲击钻
shut in drill pipe pressure 关井钻杆压力
drill-string collapse pressure 钻柱外挤压力
Because of the down hole drill pressure fluctuate, the drill bit will jump to leave the well bottom, it will make the dill bit and the well bottom produce discontinuous contact.
在钻进硬地层时,井底钻压波动将使钻头跳离井底、与井底产生不连续的接触,影响了该钻井技术的应用效果。
参考来源 - 减振冲击钻井系统设计研究·2,447,543篇论文数据，部分数据来源于NoteExpress
应用推荐