FIELD: gas and oil production.
SUBSTANCE: invention refers to procedure for oil de-waxing with liquefied propane-butane gas. The procedure consists in addition of depressor additive Flexoil at amount of 0.050-0.1% wt to mixture of oil-liquefied gas. Also, paraffin is separated with filtration.
EFFECT: increased amount of paraffin removed from oil.
2 cl, 12 ex, 1 tbl
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