Drill pipe screen also called Drill pipe spill, tapered structure, which is used for filtering drilling fluid in the petroleum geology drilling, and protecting the MWDS instrument. Picked up below the kelly bar instead of the joint in use. During the drilling fluid circulation, the impurities are filtered out by the screen mesh within the joint. Then the clean drilling fluid could prevent the impurities clogging bit port.
Filter the drill string is designed for mud cleaning from mechanical impurities directly in the well to prevent failure of drilling tools, as well as to prevent the drill pipe of foreign bodies in the process of changing the drilling tools or equipment: dirt, scale, etc. the Filter is designed to work in all macroclimatic regions with moderate and cold climate
