drill pipe centralizer

Detailed Description

The drill pipe centralizer is a special tool designed for interpolation cementing. The drill pipe centralizer can guide the drill pipe to smoothly insert or rotate into the float collar, providing guarantee for the next cementing construction. Generally, the position of one drill collar-two drill collars placed above the drill bit is the most common; in addition, it may be adjusted in case of special working conditions. It is more common that two centralizers are sometimes used when the well is opened, and the corresponding upper centralizers are drilled 3-5 above the drill bit.