Well repair using swellable material in a remedial matrix

Details Well repair using swellable material in a remedial matrix Well repair using swellable material in a remedial matrix

E - Fixed Constructions

21

B

E21B 33/13 (2006.01)

Patent

CA 2724078

A technique enables performance of remedial treatments to block unwanted fluid migration in a well. The remedial treatment involves formation of a slurry with a swellable material. The slurry, including the swellable material, is pumped downhole and is directed to a remediation site. When deposited at the remediation site, the slurry establishes a desired remediation treatment able to block unwanted migration of a downhole fluid.

La présente invention concerne une technique permettant de réaliser des traitements de réparation pour empêcher la migration indésirable de fluide dans un puits. Le traitement de réparation comprend la formation d'une suspension avec un matériau gonflable. La suspension, comprenant le matériau gonflable, est pompée dans le fond de trou et est dirigée vers un site de réparation. Lorsqu'elle est déposée au site de réparation, la suspension établit un traitement de réparation souhaité capable de bloquer la migration indésirable d'un fluide de fond de trou.

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