Reaming tool

Details Reaming tool Reaming tool

E - Fixed Constructions

21

B

E21B 4/02 (2006.01) E21B 7/20 (2006.01) E21B 10/26 (2006.01) E21B 17/14 (2006.01)

Patent

CA 2729542

A reaming tool (10) comprises a body (16) coupled to the leading end of a tubular component, such as a casing or liner string (12). The tool further comprises a shaft (22) mounted within the body (16) and the body (16) and the shaft (22) together define a rotary drive arrangement (32). A rotary seal (34) is provided between the body (16) and the shaft (22), the seal (34) adapted to permit relative rotation between the body (16) and the shaft (22) while substantially preventing fluid leakage therebetween. The tool (10) comprises a fluid conduit (40) arranged to direct fluid through the rotary drive arrangement (32) to drive rotation of the body (16) relative to the shaft (22) to facilitate reaming of the casing or liner string (12).

Outil d'alésage (10) comprenant un corps (16) couplé à l'extrémité avant d'un composant tubulaire, tel qu'une colonne de tubage ou de chemisage (12). L'outil comprend en outre un arbre (22) qui est monté à l'intérieur du corps (16), et le corps (16) et l'arbre (22) définissent ensemble un arrangement de commande rotatif (32). Un joint rotatif (34) est prévu entre le corps (16) et l'arbre (22), le joint (34) étant conçu pour permettre une rotation relative entre le corps (16) et l'arbre (22) tout en empêchant sensiblement toute fuite de fluide entre ceux-ci. L'outil (10) comprend un conduit de fluide (40) qui est agencé de manière à diriger un fluide à travers l'arrangement de commande rotatif (32) afin d'entraîner la rotation du corps (16) par rapport à l'arbre (22) en vue de faciliter l'alésage de la colonne de tubage ou de chemisage (12).

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