Method of Lining a Well or a Pipe Using an Inflatable Bladder
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United States of America Patent
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Issued Date -
Aug 5, 2010
app pub date -
Jul 8, 2008
filing date -
Jul 12, 2007
priority date (Note) -
Abandoned
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Abstract
According to the method, a cylindrical tube (1) is inserted into the well or the pipe (C) that is to be lined, after which part of the tube is radially expanded using an inflatable bladder (2) so that the wall of the tube is pressed against that of the well or of the pipe (C). According to the invention, this expansion is achieved by moving the already-expanded bladder axially and continuously along inside the tube (1) over a travel corresponding to the length of the tube or of the region of tube that is to be expanded. Fields of water or oil production.
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