Oil recovery with micellar dispersions contg. sulphonates - prepd. from gas oil contg. oxygenated hydrocarbons
In the recovery of oil from subterranean oil-bearing formations by injection of a micellar dispersion consisting of hydrocarbons, a petroleum sulphonate and an aq. medium, the petroleum sulphonate is prepd. by sulphonating a gas oil contg. 1-50 (pref. 3-35) wt% of oxygenated hydrocarbons. It is not...
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Main Author | |
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Format | Patent |
Language | English French |
Published |
03.09.1976
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Subjects | |
Online Access | Get full text |
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