Wells – Processes – Distinct – separate injection and producing wells
Patent
1980-11-21
1982-11-16
Novosad, Stephen J.
Wells
Processes
Distinct, separate injection and producing wells
166274, F21B 4324
Patent
active
043590934
ABSTRACT:
A method for the enhanced recovery of oil from subterranean reservoirs having connate water containing dissolved divalent metal cations wherein there is injected via an injection well a slug of an aqueous solution containing a water-soluble alkaline material and an aminopolycarboxylic acid or a salt thereof as a chelating agent followed by an aqueous drive fluid while producing fluids from the reservoir via a production well.
REFERENCES:
patent: Re29219 (1977-05-01), Flournoy et al.
patent: 1651311 (1927-11-01), Atkinson
patent: 3292697 (1966-12-01), Abdo
patent: 3371710 (1968-03-01), Harvey et al.
patent: 3410343 (1968-11-01), Abdo
patent: 3414053 (1968-12-01), Treiber et al.
patent: 3522844 (1970-08-01), Abdo
patent: 3621913 (1971-11-01), Braden, Jr.
patent: 3684720 (1972-08-01), Richardson
patent: 3853771 (1974-12-01), Felmann
patent: 3871452 (1975-03-01), Sarem
patent: 3874454 (1975-04-01), Clark et al.
patent: 3920074 (1975-11-01), Sarem
patent: 4036300 (1977-07-01), Holm et al.
Floyd Gerald L.
Novosad Stephen J.
Sandford Dean
Suchfield George A.
Union Oil Co. of California
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