| 摘要 |
FIELD: oil and gas production. SUBSTANCE: in order to improve quality of dehydrated petroleum, when treating any-type crude oils with different contents of salts, as demulsifier, substance is used selected from the group of beta- hydroxyethylenediamine, in particular: 1-polyethoxy-2-hexadecenyl(or heptadecenyl, or octadecenyl)imidazoline or 1,1-bis(polyethoxy)-2- hexadecenyl(or heptadecenyl, or octadecenyl)-2-imidazolinium acetate. EFFECT: enhanced dehydration efficiency. 2 tbl
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