Method and apparatus for selective disengagement of a fluid...

Details Method and apparatus for selective disengagement of a fluid... Method and apparatus for selective disengagement of a fluid...

E - Fixed Constructions

21

B

166/41

E21B 43/12 (2006.01) E21B 34/12 (2006.01) E21B 34/00 (2006.01)

Patent

CA 1141655

TITLE: METHOD AND APPARATUS FOR SELECTIVE DISENGAGEMENT OF A FLUID TRANSMISSION CONDUIT AND FOR CONTROL OF FLUID TRANSMISSION FROM A WELL ZONE ABSTRACT OF THE INVENTION An apparatus is provided for the selective disengagement of a fluid transmission conduit which is insertable through a second conduit for communication to a zone within a well bore, and for control of fluid transmission from the zone upon disengagement of the fluid transmission conduit. The apparatus defines a sealing means, usually a packer assembly, which communicates with the interior of the fluid transmission conduit for isolating an annular area between the fluid transmission conduit and the second conduit and above the zone. Valve means carried by the fluid transmission conduit and communicating with the sealing means is manipulatable between open and closed positions for selective isolation of fluid flow through the sealing means to the fluid transmission conduit. Conduit disengaging means are defined above the valve means for communication with and carriage by the fluid transmission conduit, the conduit disengaging means being responsive to manipulation of the fluid transmission conduit after manipulation of the valve means to closed position for disengagement of the fluid transmission conduit.

347674

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