Multiple string well packer

Details Multiple string well packer Multiple string well packer

1985-06-03

1988-05-24

Novosad, Stephen J.

Wells

Packers or plugs

With expanding anchor

166134, 166387, F21B 2300

Patent

active

047459719

ABSTRACT:
A multiple well string packer of the type wherein the packer is lowered into a well bore on one of the well strings, and the one string hung off from the wellhead so that the packer may be set at a desired level therein, and wherein the packer, when unset, is retrieved from the well bore on the same string, the other string or strings being lowered into and raised from connection with the packer, when disposed at such level, separately of the one string.

REFERENCES:
patent: 3098524 (1963-07-01), Brown
patent: 3106961 (1963-10-01), Bigelow
patent: 3198254 (1965-08-01), Wise et al.
patent: 3211226 (1965-10-01), Myers et al.
patent: 3299959 (1967-01-01), Brown
patent: 3414058 (1968-12-01), De Rochemont
patent: 3658127 (1972-04-01), Cochran et al.
patent: 4311195 (1982-01-01), Mullins, II

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