Well treating apparatus

Details Well treating apparatus Well treating apparatus

1985-09-17

1987-03-17

Novosad, Stephen J.

Wells

Central chamber sealed with respect to prepositioned...

166181, 166242, E21B 3312

Patent

active

046499954

ABSTRACT:
Apparatus for treating an isolated zone of a well bore includes primary and secondary tubing strings extending from the surface of the well releasably connected to a packer that has been set therein. The primary tubing string extends through the packer whereby the well can be produced or chemical can be injected to treat the isolated zone. The secondary string is of substantially smaller size and is arranged so that it is isolated from the primary tubing string which extends through the releasable connection and through the packer whereby inhibitors, diluents, and the like can be injected in the zone to be treated.

REFERENCES:
patent: 3470952 (1969-10-01), Blount
patent: 3978923 (1976-09-01), Ford
patent: 4523643 (1985-06-01), McGlothen
patent: 4573529 (1986-03-01), Reinhardt

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