Wellbore casing section with moveable portion for providing a casing exit
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United States of America Patent
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Jul 29, 2014
Grant Date -
Jan 9, 2014
app pub date -
Apr 30, 2012
filing date -
Apr 30, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods for providing a casing exit include a casing section having a generally cylindrical outer sleeve including a proximal end and a distal end. The outer sleeve may define an outer window extending between the proximal end and the distal end. A generally cylindrical inner sleeve may be received within the outer sleeve and may define an inner window. The inner sleeve may be moveable between a first position in which the inner window is misaligned with the outer window and the inner sleeve substantially closes the outer window, and a second position in which the inner window is aligned with the outer window. A deflector tool may be configured to engage the inner sleeve and move the inner sleeve from the first position to the second position.
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