Tension enchncer for wheel-type tensioner

Details Tension enchncer for wheel-type tensioner Tension enchncer for wheel-type tensioner

E - Fixed Constructions

21

B

E21B 19/22 (2006.01) B65H 51/04 (2006.01) B65H 57/14 (2006.01) B65H 79/00 (2006.01) F16L 1/00 (2006.01)

Patent

CA 2636148

A device for applying tension to a string of coiled tubing for the purpose of its insertion into or withdrawal from a wellbore. Specifically, the device is used with a wheel-type tensioner, which contacts and supports the tubing over an arc length of less than 180°. The device enhances the tractive ability of the tensioner by applying forces normal to the tubing to press it into more intimate contact with the surface of the wheel, thereby increasing the normal force and attendant frictional force between the tubing and the wheel.

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