Apparatus and method for radially expanding a tubular member
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United States of America Patent
Stats
-
Mar 6, 2007
Grant Date -
Aug 5, 2004
app pub date -
Apr 19, 2002
filing date -
Apr 20, 2001
priority date (Note) -
In Force
status (Latency Note)
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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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