FIELD: oil industry.
SUBSTANCE: invention relates to an aqueous pour point depressant dispersion composition for improving fluidity of crude oil at low temperatures. Composition contains an ethylene vinyl acetate copolymer, a dispersing agent, water and optionally an aqueous pour point depressant.
EFFECT: obtained pour point depressant lowers setting point of crude oil, exists in liquid state in a wide temperature range and demonstrates long-term resistance to creaming.
11 cl, 1 dwg, 3 tbl, 10 ex
Title | Year | Author | Number |
---|---|---|---|
METHOD FOR PREPARING AQUEOUS POUR POINT DEPRESSANT DISPERSION COMPOSITION | 2012 |
|
RU2606625C2 |
METHOD OF PRODUCING COMPOSITIONS OF A HOT-MELT WATER-BASED COATING | 2016 |
|
RU2736075C2 |
AQUEOUS EMULSIONS CONTAINING COPOLYMERS OF ETHYLENE AND VINYL ACETATE, A METHOD FOR PRODUCTION THEREOF AND USE AS ADDITIVES TO CRUDE OIL AS GEL-PREVENTING | 2016 |
|
RU2741016C2 |
POLYOLEFINE DISPERSIONS, FOAMS AND CELLULAR MATERIALS | 2007 |
|
RU2407551C1 |
WATER CONCENTRATE COMPOSITION, CONTAINING SAFLUFENACYL AND GLYPHOSPHATE, ITS APPLICATION AND METHOD OF FIGHTING UNDESIRABLE VEGETATION | 2010 |
|
RU2543265C2 |
COLD-RESISTANT ADDITIVES LOWERING FREEZING POINT | 2018 |
|
RU2771022C2 |
RHEOLOGY MODIFIER COMPOSITIONS AND METHODS FOR USE THEREOF | 2011 |
|
RU2559441C2 |
COSMETIC COMPOSITION IN THE FORM OF MASCARA | 1994 |
|
RU2118153C1 |
FOAM REMOVAL OF LIQUID WITH APPLICATION OF ETHER SULFONATES OF ALCOHOLS | 2016 |
|
RU2710269C2 |
COSMETIC COMPOSITION CONTAINING DERIVATIVE OF SOYABEAN OIL AND/OR ONE OF ITS SALTS | 2008 |
|
RU2404741C2 |
Authors
Dates
2017-01-10—Published
2012-05-30—Filed