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 center, in addition, one horizontal roller on top and bottom are provided. When centralizer moves inside the hole, vertical roller in the center reduce drag forces and the horizontal roller on the top and bottom aids in reducing the torque to enable smooth rotation of the string.
Used when high torque Low Drag is anticipated
Low torque low drag roller centralizer's enable smooth rotation and running of casing to the bottom.
Non weld bow centralizers are available in the sizes 4 1/2" to 13 3/8"
Any special sizes or combination can be made available on request
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