1.
free parallel pump
平行管型活动式井下泵
2.
free casing pump
套管型活动式井下泵
3.
recipro wall cleaner
上下活动式井壁刮针
4.
fixed casing pump
套管型固定式井下泵
5.
fixed insert pump
插入型固定式井下泵
6.
Study on Dynamics of the Underground Unit of the Electric Submersible Pump
电动潜油离心泵井下机组动力学研究
7.
A Design of Auto-control System of Underground Pumping Station
一种井下泵房自动化控制系统的设计
8.
bottom-supported mobile rig
坐底式活动钻井装置
9.
The calculation and balance of the axial force of borehole helico-axial multi-phase pump
井下螺旋轴流式多相混抽泵轴向力计算及平衡
10.
Flow field simulation analysis of pressurized unit on the downhole helicon-axial multiphase pump
井下螺旋轴流式混抽泵增压单元流场仿真分析
11.
bottom-trip casing whipstock
井下移动式套管造斜器
12.
Underground pressure boosting and water injection techniques using inversion type submersible electric pump and Its application in B15 Well
倒置式潜油电泵机组井下增压注水技术在B15井的应用
13.
To move up and down in the manner of a pump handle.
上下抽动使用泵柄的方式上下移动
14.
displacement pump
往复式泵，活塞泵，柱塞泵，排代泵
15.
power sprayer with piston type pump
附活塞式水泵的动力喷射器
16.
band wheel pumping power
深井泵抽油的皮带驱动
17.
double-action pump
双动泵，双作用(活塞)泵
18.
Research and development of the downhole multiphase pump for wells of high gas-oil ratio
高气油比井井下混抽泵的研究与开发