Corrugated downhole tubulars

Details Corrugated downhole tubulars Corrugated downhole tubulars

E - Fixed Constructions

21

B

E21B 43/10 (2006.01) E21B 17/22 (2006.01) E21B 29/00 (2006.01)

Patent

CA 2461278

A method of lining a drilled bore comprises running a tubular (40) into a drilled bore (42) and then corrugating the tubular in the bore. The tubular may also be expanded in the bore. In other aspects of the invention the tubular is corrugated prior to running into the bore and may be rotated as it is run into the bore.

L'invention concerne un procédé servant à garnir un trou de forage, consistant à descendre un matériel tubulaire (40) dans un trou de forage (42), puis à plisser le matériel tubulaire dans le trou. Le matériel tubulaire peut également être déployé dans le trou. Dans d'autres aspects de l'invention, le matériel tubulaire est plissé avant d'être descendu dans le trou et peut être tourné au fur et à mesure qu'il est descendu dans le trou.

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