What is the function of Spring Bow Centralizer?

Bow spring centralizer is designed for one-time cementing. It is suitable for vertical wells, inclined wells and horizontal wells. It has low starting force and high restoring force, and is used to keep the casing in the center of the wellbore. There are many kinds of bow spring centralizers, such as hinge bow centralizer, sliding sleeve bow spring centralizer, single piece centralizer, etc., with sizes from 4-1 / 2 to 20 inches. The bow spring centralizer meets API 10d standard and is equipped with a professional restoring force testing machine for testing. The bow spring centralizer adopts powder baking or high temperature baking paint coating to ensure its dust-proof function