Packer deflate subassembly for an inflatable packer system

Details Packer deflate subassembly for an inflatable packer system Packer deflate subassembly for an inflatable packer system

1980-02-15

1982-08-24

Leppink, James A.

Wells

Valves, closures or changeable restrictors

Destructible element

166334, 166187, E21B 33127

Patent

active

043456537

ABSTRACT:
An emergency deflation tool intended for use in an inflatable packer system. The mechanism comprises a cylindrical axially extending member adapted to be fixed against axial movement, another hollow cylindrical member surrounding a portion of the length of said member with a vent through the wall thereof, an inflation fluid passageway, and an expendable tension sleeve joining the two members.

REFERENCES:
patent: 1814800 (1931-07-01), Heeter
patent: 1883467 (1932-10-01), Banks
patent: 4050512 (1977-09-01), Giebeler
patent: 4063593 (1977-12-01), Jessup
patent: 4076083 (1978-02-01), Sizer

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