Parallel flow tube apparatus

Details Parallel flow tube apparatus Parallel flow tube apparatus

1985-03-21

1987-01-20

Novosad, Stephen J.

Wells

Packers or plugs

For non-concentric members

166191, 166313, E21B 33122

Patent

active

046374604

ABSTRACT:
A parallel flow tube assembly for producing or treating formations in a well bore wherein the formations are isolated by upper and lower spaced packers. The parallel flow tube assembly includes a coupling member having parallel bores therein. A seal sleeve extends downwardly therefrom for sealingly engaging the interior of the upper packer. A tube extends downwardly through and in sealing engagement with the lower packer and said coupling member is connected to a primary tubing string that is in fluid communication with the formation below the lower packer and a secondary tubing string that is connected in communication with the formation located between the packers.

REFERENCES:
patent: 2903066 (1959-09-01), Brown
patent: 3170518 (1965-02-01), Brown
patent: 3198254 (1965-08-01), Wise et al.
patent: 3335800 (1967-08-01), Myers
patent: 3357489 (1967-12-01), Brown
patent: 3934648 (1976-01-01), Amancharla et al.
patent: 4305465 (1981-12-01), Ellis
patent: 4374543 (1983-02-01), Richardson

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