Solid Body Low Drag Low Torque Roller Centralizer
Low drag low torque roller centralizer is provided with a combination of two sets of rollers on the vane, two rollers are placed axially in the centre, in addition, one horizontal roller on top and bottom are provided. When centralizer moves inside the hole, vertical roller in the centre reduce drag forces and the horizontal roller on the top and bottom aids in reducing the torque to enable smooth rotation of the string.