METHOD OF USING HIGH MOLECULAR WEIGHT AROMATIC POLYOL POLYESTERS AS DEMULSIFIERS FOR CRUDE OIL TREATMENT

A method of demulsifying crude oil, said method comprising the step of reacting an amount of crude oil with a polyester demulsifier, therein the demulsifier is used in quantities from 0.0001% to 5% (1-50,000 ppm), preferably 0.0005% to 2% (5-20,000 ppm), more preferably 0.0008% to 1% (8-10,000 ppm)...

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Bibliographic Details
Main Authors Alonso, Thiago V, Hoyles, Stephen M, Ayers, Callie M
Format Patent
LanguageEnglish
Published 19.11.2020
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
CRACKING HYDROCARBON OILS
FUELS
LUBRICANTS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
MINERAL WAXES
ORGANIC MACROMOLECULAR COMPOUNDS
PEAT
PERFORMING OPERATIONS
PETROLEUM, GAS OR COKE INDUSTRIES
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION
RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES
REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS
REFORMING OF NAPHTHA
SEPARATION
TECHNICAL GASES CONTAINING CARBON MONOXIDE
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
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Summary:A method of demulsifying crude oil, said method comprising the step of reacting an amount of crude oil with a polyester demulsifier, therein the demulsifier is used in quantities from 0.0001% to 5% (1-50,000 ppm), preferably 0.0005% to 2% (5-20,000 ppm), more preferably 0.0008% to 1% (8-10,000 ppm) and most preferably 0.001 to 0.1 wt. % polymer (10-1,000 ppm) related to the oil fraction of the utilized emulsion.
Bibliography:Application Number: US201816763839