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US 6,555,009 B2Granted
Demulsification of water-in-oil emulsions
AssigneeExxonMobil Research and Engineering Company
InventorRamesh Varadaraj
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Abstract
The invention includes a method for demulsification of water-in-oil emulsions.
Claims17
A method for demulsifying solids stabilized water-in-oil emulsion comprising water, oil and hydrophobic solids, comprising the steps of:
- (a) sonicating said emulsion at an energy in the range of about 25 to about 220 watts/cm2;
- (b) separating said emulsion into an oil phase and an aqueous phase;
- and
- (c) recovering said phases.
1 more element
Dependencies are inferred from the claim text.