centralizer造句

Where to connect the centralizer.

I smiled, small SanNeng centralizer, the devil angel's wings.

Design of the test device for the frictional abrasion of the sucker rod centralizer

The product consists of wear-resistant alloy centralizer body and pumping rod with simple structure.

Made up of oil expanding type or water expanding type expandable elastomer material, mechanical pipe string, centralizer and etc.

The pipe string includes double hydraulic cylinder with anchorage packer, double hydraulic cylinder without anchorage packer, releasing tool, reversing valve and centralizer.

At the same time on the centralizer body there will form a uniform layer of oil film, reducing friction with the tubing wall.

The current centralizer has such defects as being apt to tire and wear off, worse seal and the wasting of fluid resistance.

Circular design is adopted for the upper and lower end face of centralizer body to avoid contact with the tubing and the wear and tear between pumping rod and tubing ends of.

The dynamic strength of rod string and the mount position of centralizer were calculated, according to the acquired deformation of rod string and its impact contact force with tube in the time domain.