Dual bore well treating tool

Details Dual bore well treating tool Dual bore well treating tool

1986-10-06

1988-06-07

Novosad, Stephen J.

Wells

Packers or plugs

With controllable passage between central chamber and space...

166148, 166182, 166189, 166902, 137629, 13763019, E21B 2306, E21B 3410, F16K 1116

Patent

active

047490365

ABSTRACT:
A dual bore well treating tool having a pressure operated valve therein that is useful in conjunction with a dual bore packer and with a dual bore on and off or connection tool. One of the bores through the on/off tool, the treating tool and the packer is utilized for producing oil and/or gas from the well bore, and a second bore is utilized for opening the valve and for simultaneously injecting a treating material into the fluid being produced.

REFERENCES:
patent: Re28588 (1975-10-01), Sizer et al.
patent: 3007669 (1961-11-01), Fredd
patent: 3741249 (1973-06-01), Leutwyler
patent: 4140153 (1979-02-01), Deaton
patent: 4508173 (1985-04-01), Read
patent: 4523643 (1985-06-01), McGlothen
patent: 4637460 (1987-01-01), McGlothen et al.

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