High temperature carbon dioxide corrosion inhibitor
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United States of America Patent
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Aug 2, 2016
Grant Date -
Mar 12, 2015
app pub date -
Oct 29, 2013
filing date -
Sep 6, 2013
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Abstract
The present application relates to a high temperature carbon dioxide corrosion inhibitor comprising the following components by mass percent: amide compound 15˜50%, organic alkynol 10˜25%, mercaptan acid 5˜15%, piperidine 5˜25%, mercaptopyridine 5˜15%, and solvent 25˜60%. The corrosion inhibitor has excellent corrosion inhibition for CO2 corrosion of oil field water system at a high temperature (150˜250° C.).
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