Apparatus and method for radially expanding a tubular member

Details Apparatus and method for radially expanding a tubular member Apparatus and method for radially expanding a tubular member

2007-03-06

2007-03-06

Bagnell, David (Department: 3672)

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

C166S055000, C166S207000, C166S380000

Reexamination Certificate

active

10475626

ABSTRACT:
Apparatus and methods for radially expanding a tubular such as a drill pipe, liner, casing or the like. The apparatus includes at least one driver device such as a piston that is typically fluid-actuated, and an expander device is attached to the or each driver device. Actuation of the or each driver device causes movement of the expander device to expand the tubular. In certain embodiments, one or more anchoring devices are used to substantially prevent the tubular from moving during expansion thereof.

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