Down hole induction heating tool and method of operating and...

Details Down hole induction heating tool and method of operating and... Down hole induction heating tool and method of operating and...

E - Fixed Constructions

21

B

E21B 36/04 (2006.01) E21B 33/14 (2006.01)

Patent

CA 2504877

An induction tool for heating well casing and a method for using and manufacturing the tool. The tool comprises a magnetically permeability core (153) and an electrically conductive coil (176) surrounding the entire circumference of the core. The tool generates magnetic flux which flux is used to heat well casing (120) adjacent to or acted upon by the tool. The heated well casing may be used to melt material used for well sealing.

La présente invention se rapporte à un outil à induction permettant le chauffage d'un tubage de puits et à un procédé d'utilisation et de fabrication de cet outil. Ledit outil comporte un noyau à perméabilité magnétique et une bobine électriquement conductrice entourant le noyau sur la totalité de sa circonférence. L'outil produit un flux magnétique qui est utilisé pour chauffer le tubage de puits à proximité de l'outil ou sur lequel l'outil est appliqué. Le tubage de puits chauffé peut être utilisé pour fondre une matière destinée à l'étanchéité du puits.

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