rod string meaning in English
抽油杆柱
抽油杆住
Examples
- Doubting the resonance condition of the longitudinal vibration of the sucker rod string introduced by apirp11l and improving of the mechanical modeling
抽油杆柱纵向振动共振条件的质疑与力学模型的修正 - To prevent premature failure of the reinforced plastic fiberglass sucker rod , high quality products should be purchased , proper wells should be selected , the rod string design should be based on the stress range chart and operation and management should be carried out according to requirements
为防止玻璃钢抽油杆早期失效，应严把产品进货质量关；正确选择油井；按应力范围图进行玻璃钢杆柱设计；按要求作业施工；完善生产管理措施。 - Abstract : factors causing the failure of the rod string in a screw pump well include rod with minor od being used ， defects in the rod body produced in manufacturing and service ， excessive torque caused by plugging and reactive torque on the rod string ， and excessive shearing stress on the rod thread
文摘:造成螺杆泵采油井抽油杆杆柱断裂、脱扣和撸扣的主要原因有杆体外径选择偏小，杆体制造或使用过程中产生缺陷，堵塞扭矩过大，反扭矩大于螺纹联接扭矩以及抽油杆螺纹牙受剪应力过大等。