Method and apparatus for injection of tubing into wells

Details Method and apparatus for injection of tubing into wells Method and apparatus for injection of tubing into wells

E - Fixed Constructions

21

B

E21B 19/22 (2006.01) E21B 19/08 (2006.01)

Patent

CA 2240762

Apparatus for injecting tubing (23) into a well having a tubing storage means (22) and an injector device (6) with a means (48) for applying variable pressure to the coiled tubing (23). The injector device (6) is designed to accommodate tubing with couplings and other downhole tools without damaging the tubing. Also provided is a method of injecting and retrieving a length of coiled tubing (23) having couplings and other downhole tools that is tubing friendly.

Cette invention concerne un appareil d'introduction d'un tube de production (23) dans un puits. L'appareil comprend un dispositif de stockage de tube (22) et un dispositif introducteur (6) muni d'un moyen (48) permettant d'exercer une pression variable sur le tube enroulé (23). Le dispositif introducteur (6) est conçu pour recevoir un tube présentant des raccords et autres outils de fond de puits sans endommager le tube. L'invention concerne également un procédé qui permet d'introduire et de retirer sans dommage une certaine longueur de tube enroulé (23) présentant des raccords ou autres outils de fond de puits.

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