Wellbore casing
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United States of America Patent
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-
Mar 16, 2004
Grant Date -
Aug 1, 2002
app pub date -
Feb 12, 2002
filing date -
Feb 26, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus and method for forming a wellbore casing. An annular piston is displaced in the axial direction by pressurizing an annular piston chamber. The axial displacement of the piston radially expands a tubular member into contact with a preexisting tubular member. The radially expanded liner hanger is then decoupled from the apparatus.
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