Tubing rotator

Details Tubing rotator Tubing rotator

1998-01-27

1999-10-12

Tsay, Frank

Wells

Above ground apparatus

With tube rotating means

166 7514, E21B 3304

Patent

active

059642866

ABSTRACT:
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.

REFERENCES:
patent: 2599039 (1952-06-01), Baker
patent: 2630181 (1953-03-01), Solum
patent: 5427178 (1995-06-01), Bland
patent: 5429188 (1995-07-01), Cameron
patent: 5465788 (1995-11-01), Wright
patent: 5875841 (1999-03-01), Wright et al.
Rodec Tool Company Inc. "Rodec Auto-Turn Thubing Rotator", Aug., 1994.
Variperm Packers Technical Manual Model `S` Rotating Sub 101-0450-00 Stream-Flo Wellhead Oct. 26, 1993.
Jani International Catalogue 1987-88, Model T Rotating Sub Product No. 20-124.
Toolmaster "Dizzy Dognut Tubing Rotator" Product No. 20-126 undated brochure.

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