E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/20 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2559140
A method and a device for establishing an underground borehole (10) and setting a casing (6) in the borehole (10), wherein the running tool (1) including a drilling tool (14), an expandable casing (6), an expansion tool (32) and a packer (30) which is arranged to seal against the wall of the borehole (10), is placed at the bottom of the borehole (10), whereupon the borehole (10) is drilled to the necessary length in order then to set the expandable casing (6), and in subsequent operations the casing is reinforced and a completion string is run, having built-in cables for downhole control and monitoring.
L'invention concerne un procédé et un dispositif de mise en place d'un puits souterrain (10) et d'installation d'un cuvelage (6) dans le puits (10), l'outil de manipulation (1) comprenant un outil de forage (14), un cuvelage extensible (32) et une garniture (30) qui est disposée pour adhérer à la paroi du puits (10), étant placé au fond du puits (10), le puits (10) étant foré selon la longueur nécessaire afin d'installer ensuite le cuvelage extensible (6), et au cours des opérations ultérieures, le cuvelage est renforcé et une colonne de complétion est activée, celle-ci étant dotée de câbles intégrés en vue de contrôle et de la surveillance souterrains au fond du puits.
Gowling Lafleur Henderson Llp
Reelwell As
LandOfFree
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