1.Scrape the mud to prolong the service life of the proposal had better, but the spiral centralizer downhole assembly.
为延长刮泥器的使用寿命，建议最好不过钻具组合中的螺旋扶正器。
2.It provides a reasonably and completely theoretical basis for combination of rods, centralizer, assembling site and number of depart device.
为抽油杆柱组合、扶正器、防脱器安放位置及数量设计提供了更加合理、完善的理论依据。
3.By this simplification principle the model of the centralizer is build and simulation tested.
根据等效简化原则，建立了扶正器的局部模型，并进行了仿真验证。
4.A lot of creative technique achievements of pumping rod centralizer have been attained as followings.
抽油杆扶正器系列产品专利技术创新成果是；
5.This proves one half of the double centralizer properties. Another half was obtained by S.
这证明了一半的双重中心化子性质，另一半已由S。
6.The tubing centralizer worked by hydraulic, solved the problem of tubing screw deflection and met the need of production.
该扶正器采用液压式扶正，解决了油管偏螺纹这一难题，满足了生产的需要。
7.The current centralizer has such defects as being apt to tire and wear off, worse seal and the wasting of fluid resistance.
现有扶正器有易疲劳损伤、对接不严、流阻损耗的缺点。
8.This method have reference value to centralizer's location scheme.
此方法对扶正器布置方案有参考价值。
9.Usage: The centralizer makes the casing pipe at the center of the well. Such can make cement ring even and better quality.
用途：扶正套管使套管在井眼内居中，使水泥环均匀，提高固井质量。
10.Improvement and structure analysis of a flexible roller centralizer
伸缩式滚子扶正器的结构分析与改进