Tubing string hanger and tensioner assembly

Details Tubing string hanger and tensioner assembly Tubing string hanger and tensioner assembly

E - Fixed Constructions

21

B

E21B 33/04 (2006.01)

Patent

CA 2707265

An apparatus for supporting a rotatable tubing string in a well and for tensioning the tubing string includes a tubing head (12) and inner mandrel (34) positioned at least partially within the tubing head and supporting the tubing string. A bushing (32) is supported on the tubing head and engages the inner mandrel, such that the bushing and the inner mandrel rotate together. A tubing rotator (16) is provided for rotating the bushing, with a tubing rotator having a rotator mandrel connected to the bushing. A plurality of circumferentially spaced J-lock mechanisms (56) between the bushing and the inner mandrel are provided for tensioning the tubing string.

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