Steam injection system for use in a well

Details Steam injection system for use in a well Steam injection system for use in a well

1977-03-31

1978-07-11

Leppink, James A.

Wells

Packers or plugs

Spaced sealing portions

166202, 166317, 166318, 137 71, 137874, E21B 33122, E21B 4312

Patent

active

040995631

ABSTRACT:
A steam injection system including a steam deflector connectable into a tubing string which steam deflector provides for selectively passing steam through the tubing string to the bottom thereof or diverting steam from inside the tubing string out into the wall liner-tubing annulus and in a direction concentric with and substantially parallel to the longitudinal axis of the tubing string and above the bottom end thereof utilizing a sliding-sleeve arrangement and packer cup means packing off the well liner-tubing annulus both above and below the steam deflector.

REFERENCES:
patent: 2611436 (1952-09-01), Carr et al.
patent: 2662600 (1953-12-01), Baker et al.
patent: 3349849 (1967-10-01), Closmann
patent: 3530939 (1970-09-01), Turner

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