Expansion pig

Details Expansion pig Expansion pig

E - Fixed Constructions

21

B

E21B 23/04 (2006.01) E21B 23/00 (2006.01) E21B 34/06 (2006.01)

Patent

CA 2583477

A tool for radially expanding casing having a tool body that includes a proximal end, a distal end and an outer surface. The tool includes at least one hydraulic channel disposed axially. The at least one channel transmits hydraulic pressure from behind the expansion tool forward in the direction of travel of the expansion tool.

L'invention concerne un outil d'expansion radiale d'un tubage, constitué d'un corps d'outil qui comprend une extrémité proximale, une extrémité distale et une surface externe. L'outil comprend au moins un canal hydraulique disposé axialement. Cet au moins un canal hydraulique disposé axialement transmet la pression hydraulique de l'arrière vers l'avant de l'outil d'expansion, en direction du mouvement de l'outil d'expansion.

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