Preparing an aqueous alkaline solution for recovery of oil from

Details Preparing an aqueous alkaline solution for recovery of oil from Preparing an aqueous alkaline solution for recovery of oil from

1986-10-24

1988-06-07

Buczinski, Stephen C.

Wells

Processes

Distinct, separate injection and producing wells

252 8554, E21B 4322

Patent

active

H00004758

ABSTRACT:
An aqueous alkaline oil recovery fluid containing monovalent salt, and, optionally, preformed cosurfactant, is improved by using a mixture of alkaline silicate and carbonate salts in specified proportions as the alkaline material.

REFERENCES:
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patent: 3398791 (1968-08-01), Hurd
patent: 3871452 (1975-03-01), Sarem
patent: 4004638 (1977-01-01), Burdyn et al.
patent: 4466892 (1984-08-01), Chan et al.
patent: 4502541 (1985-03-01), Lawson et al.
patent: 4526231 (1985-07-01), Radke
patent: 4609044 (1986-09-01), Lau

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