Packer valve arrangement

Details Packer valve arrangement Packer valve arrangement

1984-06-06

1985-07-09

Novosad, Stephen J.

Wells

Packers or plugs

Expanded by confined fluid from central chamber, pump or...

277 34, E21B 3312

Patent

active

045276250

ABSTRACT:
A valve system for use in inflating packers mounted on mandrels is disclosed. The valve system uses one valve to permit, through the use of seals, the flow of fluid from the interior of a tubular mandrel to the interior of the inflatable packer when pressure applied in the mandrel exceeds at least a minimum pressure.

REFERENCES:
patent: 3527296 (1970-09-01), Malone
patent: 4260164 (1981-04-01), Baker et al.
patent: 4402517 (1983-09-01), Wood et al.
patent: 4420159 (1983-12-01), Wood

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