E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/12 (2006.01) F04B 17/04 (2006.01)
Patent
CA 2604355
The present invention relates to a device for the selective movement of a well tool (20, 20', 40) in or through at least a portion of a pipe string (2), said at least one portion of the pipe string (2) being provided with a plurality of electromagnets (3) which are arranged to produce a magnetic field in order, thereby, to move the well tool (20, 20', 40) within said at least one portion of the pipe string (2) by means of magnetic influence on said well tool (20, 20', 40) . The invention also relates to a method for practicing the invention.
L'invention concerne un dispositif destiné au mouvement sélectif d'un outil de puits (20, 20', 40) dans ou à travers au moins une partie d'un train de tiges (2), cette partie de train de tiges (2) étant équipée de plusieurs électro-aimants (3) disposés de manière à produire un champ magnétique destiné à déplacer l'outil de puits (20, 20', 40) dans cette partie de train de tige (2) par le biais d'une influence magnétique sur l'outil de puits (20, 20', 40). L'invention concerne également un procédé destiné à mettre en oeuvre cette invention.
Gowling Lafleur Henderson Llp
Ziebel As
LandOfFree
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