Tubing rotator with downhole tubing swivel

Wells – Processes – Producing the well

Patent

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Details

166 68, 166 73, 166 78, 1661177, 166216, 166240, 166242, 166382, E21B 17046, E21B 1705, E21B 4300

Patent

active

051390906

ABSTRACT:
A cased wellbore extends downhole to a pay zone which is produced by a rod actuated downhole pump that lifts fluid from the bottom of the wellbore up through a tubing string to a wellhead. The pump is seated in a pump cavity. The tubing string is tensioned and is rotated. The upper end of the tubing string is attached to a fluid conveying swivel means and a tubing rotator. A combination tubing anchor and fluid conveying swivel is attached adjacent the lower end of the tubing string by which the lower end of the tubing string is rotatably and releasably affixed to the casing in proximity to the lower end of the wellbore. The lower swivel is located adjacent the anchor and enables the tubing string to rotate respective to the anchor while conveying fluid through the rotating tensioned production tubing string.

REFERENCES:
patent: 1560984 (1925-11-01), Gorbutt
patent: 1650102 (1927-11-01), Tschappat
patent: 1965907 (1934-07-01), Pierce
patent: 2178700 (1939-11-01), Penick et al.
patent: 2294061 (1942-08-01), Williamson
patent: 2471198 (1949-05-01), Cormany
patent: 2595434 (1952-05-01), Williams
patent: 2630181 (1953-03-01), Solum
patent: 2693238 (1954-11-01), Baker
patent: 2788074 (1957-04-01), Brown
patent: 3075584 (1963-01-01), Brown
patent: 3100538 (1963-08-01), Sanders
patent: 3643737 (1972-02-01), Current et al.
patent: 4278278 (1981-07-01), Chambless et al.
patent: 4601343 (1986-07-01), Lindsey, Jr. et al.

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