HYDROGEN SULPHIDE CORROSION STEEL PROTECTION TECHNIQUE

FIELD: chemistry; metallurgy. ^ SUBSTANCE: invention refers to corrosion metal protection by using inhibitors in mineralised mediums of hydrogen sulphide to be used in oil industry. The method involves addition of 2,4,6-three-(11-methyl-21-butenyl)aniline concentrated 25-200 mg/l in mineralised medi...

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Hauptverfasser:	KHUSNITDINOV RAMIL' NURITDINOVICH, GATAULLIN RAIL RAFKATOVICH, ABDRAKHMANOV IL'DUS BARIEVICH, MUSTAFIN AKHAT GAZIZ'JANOVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE
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Beschreibung
Zusammenfassung:	FIELD: chemistry; metallurgy. ^ SUBSTANCE: invention refers to corrosion metal protection by using inhibitors in mineralised mediums of hydrogen sulphide to be used in oil industry. The method involves addition of 2,4,6-three-(11-methyl-21-butenyl)aniline concentrated 25-200 mg/l in mineralised mediums of hydrogen sulphide. ^ EFFECT: reduced steel corrosion rate. ^ 1 tbl, 3 ex Изобретение относится к области защиты металлов от коррозии с помощью ингибиторов в минерализованных средах, содержащих сероводород, и может быть использовано в нефтяной отрасли. Способ включает добавление в минерализованную среду, содержащую сероводород, 2,4,6-три-(11-метил-21-бутенил)анилина в концентрации 25-200 мг/л. Технический результат: снижение скорости коррозии стали. 1 табл.