Use of polyamines as demulsifiers

Details Use of polyamines as demulsifiers Use of polyamines as demulsifiers

1981-02-10

1983-10-25

Welsh, Maurice J.

Compositions

Preservative agents

Anti-corrosion

252 855D, 252331, 252353, B01D 1704

Patent

active

044118147

ABSTRACT:
This invention relates to the use of polyamines and/or polyamine salts, preferably those having 20 or less amino groups, as demulsifiers. This invention is particularly useful in breaking emulsions formed in surfactant flooding of oil bearing subterranean formations.

REFERENCES:
patent: Re22963 (1948-01-01), Monson et al.
patent: 3020206 (1962-02-01), Patton et al.
patent: 3259587 (1966-07-01), Dickson et al.
patent: 3272757 (1966-09-01), Kirkpatrick et al.
patent: 3506070 (1970-04-01), Jones
patent: 3637521 (1972-01-01), Tsuk
patent: 3900423 (1975-08-01), Markofsky

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