Method and apparatus for remote control of multilateral wells

Details Method and apparatus for remote control of multilateral wells Method and apparatus for remote control of multilateral wells

E - Fixed Constructions

21

B

E21B 43/14 (2006.01) E21B 23/02 (2006.01) E21B 23/12 (2006.01) E21B 34/10 (2006.01) E21B 43/12 (2006.01) E21B 43/30 (2006.01)

Patent

CA 2252728

A method and apparatus for selectively producing fluids from multiple lateral wellbores that extend from a central wellbore. The apparatus comprises a fluid flow assembly (24) with a selectively openable and adjustable flow control valve in communication with a production tubing (20), located in the central wellbore (10) between packers (32), and a lateral wellbore (12), and a selectively openable access door (30) located adjacent the lateral wellbore (12) allowing and preventing service tool entry into the lateral wellbore. The valve and door (30) are individually controlled from the earth's surface.

Procédé et dispositif permettant de produire sélectivement des fluides à partir de puits latéraux multiples partant d'un puits central. Le dispositif comprend un ensemble d'écoulement fluidique (24) comportant une soupape de commande de l'écoulement qui peut être sélectivement ouverte et réglée, en communication avec un tubage de production (20), disposé à l'intérieur du puits central (10) entre des garnitures d'étanchéité (32) et un puits latéral (12), et une porte d'accès pouvant être sélectivement ouverte (30) disposée adjacente au puits latéral (12), qui permet ou empêche l'entrée d'un outil de service dans ce dernier. La soupape et la porte (30) sont commandées individuellement depuis la surface.

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