USE OF A COPOLYMER MADE FROM STYRENE SULPHONIC ACID TO INHIBIT OR SLOW THE FORMATION OF SULPHIDE DEPOSITS

The present invention relates to the use of a copolymer containing a unit comprising an optionally neutralised styrene sulphonic acid unit and a unit containing at least one optionally neutralised (poly)carboxylic acid unit or a (poly)amido-amine unit, to inhibit or slow the formation of sulphide de...

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Main Authors HURTEVENT, CHRISTIAN, OULD METIDJI, MAHMOUD, ORDONEZ-VARELA, JOHN-RICHARD, BARAKA-LOKMANE, SALIMA, TILLEMENT, OLIVIER, ROSSETTI, FABIEN
Format Patent
LanguageEnglish
Published 14.09.2020
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Summary:The present invention relates to the use of a copolymer containing a unit comprising an optionally neutralised styrene sulphonic acid unit and a unit containing at least one optionally neutralised (poly)carboxylic acid unit or a (poly)amido-amine unit, to inhibit or slow the formation of sulphide deposits during the extraction of gas or oil. It also relates to a method to inhibit or slow the formation of sulphide deposits during the extraction of gas or oil, comprising the injection of a fluid containing the abovementioned copolymer into a wellbore, a subterranean formation or a gas or oil well.
Bibliography:Application Number: MY2016PI01103