Downhole tool assembly with debris relief, and method for...

Details Downhole tool assembly with debris relief, and method for... Downhole tool assembly with debris relief, and method for...

E - Fixed Constructions

21

B

E21B 43/114 (2006.01) E21B 33/12 (2006.01) E21B 34/06 (2006.01) E21B 43/26 (2006.01)

Patent

CA 2693676

A tool assembly and method for completing a well are provided. The tool includes debris relief features that enable use in solids-laden environments, for example in the presence of sand. Forward and reverse circulation pathways to the isolated interval are present to allow clearing of debris from the wellbore annulus while the sealing device remains set against the wellbore.

La présente invention concerne un outillage et une méthode de forage de puits. L'outil comprend des caractéristiques de sécurité pour débris qui en permettent l'utilisation dans des environnements contenants des solides, par exemple en présence de sable. L'outil comporte des circuits de circulation vers l'avant et vers l'arrière vers l'intervalle isolé pour permettre l'évacuation des débris de l'anneau du puits de forage alors que le dispositif de scellage reste en place sur le puits de forage.

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