Remote intervention logic valving method and apparatus

Details Remote intervention logic valving method and apparatus Remote intervention logic valving method and apparatus

E - Fixed Constructions

21

B

E21B 34/06 (2006.01) E21B 23/04 (2006.01) E21B 34/10 (2006.01) E21B 43/25 (2006.01) F15B 13/07 (2006.01)

Patent

CA 2499901

A system of valves (21 - 23, 26, 31 - 36, and 41 - 43) is disclosed wherein said valves operate over a designated pressure interval and are arranged to actuate performance of a sequenced set of events by downhole tools with the application of pressure to said valves.

L'invention concerne un système de robinets (21 - 23, 26, 31 - 36, et 41 - 43). Ces robinets fonctionnent au-dessus d'un intervalle de pression désigné et sont agencés pour mettre en oeuvre un ensemble séquencé d'événements effectués par des outils de fond, une pression étant appliquée sur lesdits robinets.

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