石油钻采工艺2011，Vol.33Issue(4)：121-124,4.
一种基于动压润滑结构的自旋转扶正器设计
Design of an auto-rotational centralizer based on the liquid hydrodynamic lubrication structure
摘要
Abstract
With the increasing problems about eccentric wear of the pumping rod and tube getting more and more intensely, the study on the mechanical properties of the rod's up and down stroke has been took, and a new type of centraiizer preventing the eccentric wear between the rod and tub has been designed. The centraiizer consists of centraiizer shaft, centraiizer cover, coupling, spring washer and positioning block. Depending on the dynamic pressure lubrication effect and the rotating of the centraiizer cover by itself, this equipment transfers the dry friction, boundary friction and the sides wear into the boundary friction, liquid friction and the uniform wear between the rod and the tube. And then the service lifespan of the sucker rod increased greatly. The performance of centraiizer was tested by applied to self-designed pumping system, and the results show that the hydrodynamic lubrication film will form when the motor speed reaches up to 75 rounds per minutes, and the eccentric wear of the pumping rod and tube is alleviated significantly. The technology will increases the service lifespan of sucker rod and tube and also expands the guarantee period of the well, which provide a technological support for oilfield's anti-eccentrically worn investigation.关键词
动压润滑/自旋转/扶正器/减磨Key words
hydrodynamic lubrication/ auto-rotation/ centraiizer/ antifriction分类
能源科技引用本文复制引用
叶勇,石永军,温长飞,曹凤婷,张晨,肖兵..一种基于动压润滑结构的自旋转扶正器设计[J].石油钻采工艺,2011,33(4):121-124,4.基金项目
中国石油科技创新基金(编号:2009D-5006-02-05)和国家大学生创新性实验计划项目(编号:091042524)资助. （编号:2009D-5006-02-05）
