The roller centralizer can rotate freely and slide up and down on the casing, and can be fixed to a part of the casing with a fixed screw or a fixed ring.
Scrape the mud cake, clean wall in casing hole, can make cement slurry flow in cement, improve the displacement efficiency in deviated and horizontal wells, which can support the casing casing casing, when rotated, plays a role of sliding bearing.
When the sleeve of the roller centralizer is in the sliding of the casing, the roller can rotate, which is more convenient for the centralizer to move down and reduce the friction force.
We can also supply the Welded Bow Spring Centralizers, Casting Cable Protectors etc. Welcome to contact us.
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