Bore-lining tubing

Details Bore-lining tubing Bore-lining tubing

E - Fixed Constructions

21

B

E21B 43/10 (2006.01) E21B 17/18 (2006.01)

Patent

CA 2443007

A method of lining a bore section, the method comprises providing a first tubing section (12) and an expandable thin-walled second tubing section (14). The first tubing section (12) is run into a section of a bore (10). The second tubing section (14) is then run into the bore section (10), within the first tubing section (12), and expanded to a larger diameter, such that the bore section is lined by at least two tubing sections (12, 14).

L'invention porte sue un procédé de gainage d'une section de puits. Ce procédé consiste à fournir une première section de tube (12) et une seconde section de tube (14) à paroi fine extensible. La première section de tube (12) vient s'introduire dans une section d'un puits (10) et la seconde section de tube (14) vient alors s'introduire dans la section de tube (10), à l'intérieur de la première section de tube (12), et s'étend dans un sens diamétral plus large de manière que la section de puits soit revêtue d'au moins deux sections de tube (12, 14).

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