Wells – Processes – Distinct – separate injection and producing wells
Patent
1975-06-18
1977-09-06
Novosad, Stephen J.
Wells
Processes
Distinct, separate injection and producing wells
166273, E21B 4324
Patent
active
040461955
ABSTRACT:
A method for the recovery of low API gravity viscous oils or bitumen from a subterranean formation by the injection of steam followed by a mixture of an oxygen-containing gas and steam until an optimum amount of gas has been injected, followed by injection of steam alone.
REFERENCES:
patent: 2818117 (1957-12-01), Koch
patent: 3170515 (1965-02-01), Willman
patent: 3196945 (1965-07-01), Craig, Jr. et al.
patent: 3366176 (1968-01-01), Parrish
patent: 3409077 (1968-11-01), Durie
patent: 3512585 (1970-05-01), Allen
patent: 3587739 (1971-06-01), Parker
Cram Phillip J.
Redford David A.
Bauer Charles L.
Novosad Stephen J.
Ries Carl G.
Suchfield George A.
Texaco Exploration Canada Ltd.
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