Downhole motor with a continuous conductive path

Details Downhole motor with a continuous conductive path Downhole motor with a continuous conductive path

E - Fixed Constructions

21

B

E21B 7/04 (2006.01) E21B 4/00 (2006.01)

Patent

CA 2545377

A downhole drilling motor comprising a housing and a shaft extending within the housing, wherein the shaft is movable relative to the housing. Further, a conducting path extends within the housing between a first axial position and a second axial position. The conducting path comprises a housing conductor associated with the housing and a shaft conductor associated with the shaft, wherein the shaft conductor is capable of a movement relative to the housing conductor. An assimilating connector is interposed between the housing conductor and the shaft conductor for conductively connecting the housing conductor with the shaft conductor and for assimilating the movement of the shaft conductor relative to the housing conductor. The assimilating connector includes one or more of a rotary movement assimilating connector, a longitudinal movement assimilating connector and a transverse movement assimilating connector.

L'invention concerne un moteur de forage de fond de puits comprenant un carter et un arbre s'étendant à l'intérieur du carter, l'arbre étant mobile par rapport au carter. De plus, un chemin conducteur s'étend à l'intérieur du carter entre une première position axiale et une seconde position axiale. Le chemin conducteur comprend un conducteur de carter associé au carter et un conducteur d'arbre associé à l'arbre, le conducteur d'arbre étant apte à se déplacer par rapport au conducteur de carter. Un connecteur d'assimilation est interposé entre le conducteur de carter et le conducteur d'arbre pour connecter de façon conductrice le conducteur de carter au conducteur d'arbre et pour assimiler le mouvement du conducteur d'arbre par rapport au conducteur de carter. Le connecteur d'assimilation comprend un ou plusieurs parmi un connecteur d'assimilation de mouvement de rotation, un connecteur d'assimilation de mouvement longitudinal et un connecteur d'assimilation de mouvement transversal.

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