Method of producing heavy oils

Details Method of producing heavy oils Method of producing heavy oils

1985-04-16

1987-02-24

Suchfield, George A.

Wells

Processes

Graveling or filter forming

166303, 166308, E21B 4304, E21B 4324, E21B 4326

Patent

active

046450050

ABSTRACT:
A method of producing viscous oils from reservoirs containing unconsolidated or friable sands comprising drilling the well, stimulating same with steam at a pressure sufficient to fracture the reservoir adjacent the well, shutting in the well, installing a gravel pack, producing oil from the well, and periodically, subsequently stimulating the well by injecting steam at a pressure below that which would result in a fracture of the reservoir.

REFERENCES:
patent: 2814347 (1957-11-01), MacKnight
patent: 2955653 (1960-10-01), Cain
patent: 2978024 (1961-04-01), Davis
patent: 3075463 (1963-01-01), Eilers et al.
patent: 3330353 (1967-07-01), Flohr
patent: 3349849 (1967-10-01), Closmann
patent: 3739852 (1973-06-01), Woods et al.
patent: 4109723 (1978-08-01), Widmyer
Lanfranchi, Edalfo, et al, "Result of the Application of Alternating Steam Injection in Heavy Oil in South-Eastern Venezuela", Oil Sands, 1977, pp. 584-591.

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