Tubing expansion by cyclic diameter change of an expander

Details Tubing expansion by cyclic diameter change of an expander Tubing expansion by cyclic diameter change of an expander

E - Fixed Constructions

21

B

E21B 29/00 (2006.01) B21D 31/04 (2006.01)

Patent

CA 2589388

A method of expanding tubing comprises the steps: providing a length of expandable tubing; locating an expansion tool, such as a cone, in the tubing; and applying impulses to the tool to drive the tool through the tubing and expand the tubing to a larger diameter. The tubing may be located downhole and may have a solid wall or a slotted wall.

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