Method for preconditioning a subterranean oil-bearing formation

Details Method for preconditioning a subterranean oil-bearing formation Method for preconditioning a subterranean oil-bearing formation

1978-12-21

1980-03-25

Novosad, Stephen J.

Wells

Processes

Specific pattern of plural wells

166261, E21B 4324

Patent

active

041945620

ABSTRACT:
An in-situ combustion method for oil recovery from a subterranean oil-bearing formation traversed by a plurality of wells comprising a series of well pattern units wherein air permeability is established sequentially in the individual well pattern units pior to the initiation of in-situ combustion, thereby resulting in an increase in overall sweep efficiency.

REFERENCES:
patent: 3019837 (1962-02-01), Marx et al.
patent: 3126953 (1964-03-01), Nelson et al.
patent: 3132692 (1964-05-01), Marx et al.
patent: 3205942 (1965-09-01), Sandberg
patent: 3209825 (1965-10-01), Alexander et al.
patent: 3232345 (1966-02-01), Trantham et al.
patent: 3472318 (1969-10-01), Woodward
patent: 3905422 (1975-09-01), Woodward
patent: 3978925 (1976-09-01), Redford
patent: 3999606 (1976-12-01), Bandyopadhyay et al.

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