Sequential inflatable packer

Details Sequential inflatable packer Sequential inflatable packer

1984-04-05

1986-03-25

Novosad, Stephen J.

Wells

Processes

Placing or shifting well part

166187, E21B 3312

Patent

active

045776962

ABSTRACT:
In a completion of an oil well where the well bore traverses the earth formations, a multiple series of inflatable packer elements are employed with each packer element having a defined sequential dependency of inflation to inflate the lowermost packe first then to inflate the packers in a sequence from the lowermost packer upwardly.

REFERENCES:
patent: 2831541 (1958-04-01), Conover
patent: 3052302 (1962-09-01), Lagucki
patent: 3525393 (1970-08-01), Cobbs et al.
patent: 4372562 (1983-02-01), Carter, Jr.
patent: 4420159 (1983-12-01), Wood
patent: 4449584 (1984-05-01), Christensen
patent: 4458752 (1984-07-01), Brandell

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