Tubing rotator

Details Tubing rotator Tubing rotator

E - Fixed Constructions

21

B

E21B 33/04 (2006.01)

Patent

CA 2224505

A tubing rotator and hanger is used in a wellhead of an oil well. The rotator has a rotator body including a flange and a sleeve projecting from the bottom end of the flange. The flange engages between the wellhead flange and the upper wellhead components, adding a very short height to the overall height of the wellhead. A mandrel extends through a bore in the rotator body and is supported in the body by a bearing supporting a load shoulder on the mandrel. A ring gear is keyed to the mandrel and is driven by a worm extending into a bore in the rotator body flange. In preferred embodiments, the load shoulder and ring gear can be removed from the mandrel, allowing the rotator body to be lifted off the mandrel and a BOP installed when necessary.

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