Method and apparatus for downhole tubular expansion
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United States of America Patent
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-
Dec 16, 2003
Grant Date -
Oct 3, 2002
app pub date -
Mar 27, 2001
filing date -
Mar 27, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides apparatus and methods for expanding tubulars in a wellbore. In one aspect, a process of sealing an annular area in a wellbore is provided in which a tubular having perforations at a predetermined location and a sleeve concentrically covering substantially all of the perforations is expanded into substantial contact with an inner diameter of a tubular, such as a casing or a liner. In another aspect, a process of sealing an annular area in a wellbore is provided in which a tubular having perforation at a predetermined location and a sleeve concentrically coving substantially all of the perforations is expanded into substantial contact with a junction between two tubulars, such as a liner and a casing, or between two liners.
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