Well tubing rotator

Details Well tubing rotator Well tubing rotator

E - Fixed Constructions

21

B

E21B 33/04 (2006.01) E21B 43/12 (2006.01)

Patent

CA 2339417

A mandrel rotator is provided is mounted in a housing for coupling to a well casing head. The mandrel rotator comprises of an annular gear having external gear teeth and an axial opening. The annular gear is coupled to a mandrel outer surface, such that rotation of the annular gear causes rotation of the mandrel. A retainer limits or prevents axial movement of gear within the housing. A second gear is coupled to the annular gear for rotating the annular gear.

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