How Much Do You Know About Sucker Rod Centralizer

　　The sucker rod centralizer is composed of the coupling, centralized casing and short circult. The sucker rod centralizer connect with sucker rod, the centralizer casing OD is larger than the sucker rod coupling OD so that can be centralized. Centralizer casing is high strength wear resistant material, which contact with the tubing and make the centralize body abrasion, so that compared to casing centralizer it can reduce the tubing abrasion to realize the eccentric wear prevention purpose.The sucker rod centralizer has the features of simple structure, convenient operation, long service life and relative low cost.