Downhole tool

Details Downhole tool Downhole tool

E - Fixed Constructions

21

B

E21B 21/10 (2006.01) E21B 34/14 (2006.01) E21B 41/00 (2006.01)

Patent

CA 2630916

A method of actuating a tool in a downhole string comprises utilising a flow restriction, such as a non-return valve, which provides less restriction to fluid flow in the normal direction to induce a reverse fluid pressure differential to permit actuation of the tool.

Procédé d~actionnement d~un outil dans une colonne de fond, comprenant l~étape consistant à utiliser un dispositif limiteur d~écoulement, tel qu~un clapet antiretour, offrant une moins grande résistance à l~écoulement d~un fluide dans le sens normal de façon à créer une différence de pression de fluide inverse provoquant l~actionnement de l~outil.

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