Method and apparatus for isolating well bores using external pac

Details Method and apparatus for isolating well bores using external pac Method and apparatus for isolating well bores using external pac

1991-10-04

1993-03-02

Novosad, Stephen J.

Wells

Processes

Placing or shifting well part

166187, 166295, E21B 33127

Patent

active

051901099

ABSTRACT:
An external packer assembly for isolating well bores has an inflatable member initially containing a catalyst or activator solution. An insertion assembly introduces a resin to the inflatable member which then inflates, under the influence of the expanding resin, into sealing engagement with the bore hole walls.

REFERENCES:
patent: 2231282 (1941-02-01), Norris
patent: 2922478 (1960-01-01), Maly
patent: 3283820 (1966-11-01), Tausch
patent: 4378843 (1983-04-01), Suman, Jr.
patent: 4499947 (1985-02-01), Zsoka et al.
patent: 4633946 (1987-01-01), Jackson
patent: 4674570 (1987-06-01), Jackson
patent: 4714117 (1987-12-01), Dech

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