Oil recovery process

Wells – Processes – Distinct – separate injection and producing wells

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Details

252 855D, 252 8554, E21B 4322

Patent

active

046432531

ABSTRACT:
Ether disulfonates or mixtures of ether monosulfonates and ether disulfonates are disclosed as useful surfactants in the recovery of oil.

REFERENCES:
patent: 2241421 (1941-05-01), Price et al.
patent: 2535677 (1950-12-01), Hollander et al.
patent: 3469630 (1969-09-01), Hurd et al.
patent: 3827497 (1974-08-01), Dycus et al.
patent: 3977471 (1976-08-01), Gale et al.

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