Steam injection apparatus and method

Details Steam injection apparatus and method Steam injection apparatus and method

1976-07-06

1977-09-06

Novosad, Stephen J.

Wells

Processes

Heating, cooling or insulating

166222, E21B 4324, E21B 4325

Patent

active

040461998

ABSTRACT:
An apparatus and method for directing steam into selected strata of a relatively thick subterranean formation penetrated by a well. The apparatus includes an elongated housing attachable to the lower end of the well tubing, the housing having a closed lower end and a plurality of jets spaced around the sidewall thereof so as to be positioned opposite the strata to be treated. The jets direct the steam outwardly and downwardly against the formation face, causing it to preferentially enter the selected strata.

REFERENCES:
patent: 1279333 (1918-09-01), Green
patent: 1400765 (1921-12-01), Pallette
patent: 2117648 (1938-05-01), Bottorf
patent: 2329157 (1943-09-01), Frack
patent: 2785875 (1957-03-01), Hayes
patent: 2871948 (1959-02-01), Normand
patent: 2906337 (1959-09-01), Hennig
patent: 3349849 (1967-10-01), Closmann
patent: 3525399 (1970-08-01), Bayless et al.
patent: 3858654 (1975-01-01), Walker

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