Rollers for tubing injectors

Details Rollers for tubing injectors Rollers for tubing injectors

E - Fixed Constructions

21

B

E21B 19/22 (2006.01) E21B 23/00 (2006.01)

Patent

CA 2375733

A means and method for supporting and applying transverse loads to coiled tubing during its injection into and withdrawal from a well by using novel rollers having coaxial segmented arcuate faces. The arcuate faces have arcs with the same radius as that of the tubing to be supported and are mutually concentric, but are independently rotatable. The novel rollers may be both driven and undriven.

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