Reeled well tubing systems

Details Reeled well tubing systems Reeled well tubing systems

1995-08-05

1996-11-19

Tsay, Frank

Wells

Above ground apparatus

Moving tubing or cable into an existing well

166 851, E21B 1922

Patent

active

055753329

ABSTRACT:
A well tubing injection system includes a manipulator located between a reel on which reeled well tubing, typically used in well maintenance and workover operations, is stored. The tubing is of the type passed into and out of a well through a drill floor at a well site by a tubing injector. The system moves the tubing reel with respect to the tubing injector as pipe moves into or out of the well. The system significantly reduces the number of bending events imposed on the tubing during trips into and out of the well.

REFERENCES:
patent: 3116781 (1964-01-01), Rugeley et al.
patent: 3690136 (1972-09-01), Slator et al.
patent: 4585061 (1986-04-01), Lyons, Jr. et al.
patent: 4673035 (1987-06-01), Gipson
patent: 4743175 (1988-05-01), Gilmore
patent: 5029642 (1991-07-01), Crawford
patent: 5133405 (1992-07-01), Elliston
patent: 5505259 (1996-04-01), Wittrisch et al.
Reeled Tubing, Incorporated brochure, undated but prior to Dec. 1994.
Hillman Rollers brochure excerpts, Aug. 1990.

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