This paper will review the brief history in the literature of the inhibition of corrosion resistant alloys (CRA's) in acidic stimulation fluids. This review primarily discusses the problems associated with inhibiting 13% Cr and 22% Cr duplex steels in hydrochloric (HCl) and hydrochloric-hydrofluoric (HCl-HF) acid systems using low alloy inhibitors and the successes achieved using high alloy inhibitors. Other areas briefly discussed are the repassivation of 13% Cr and 22% Cr, effect on nickel-based alloys and use of organic acids.

Subject
Acids, Inhibitor performance, Corrosion resistant alloys, Materials performance, Nickel based alloys, Chromium, Corrosion losses, Fluids, Corrosion inhibitors, Steel, Monel alloys, Corrosion protection, Alloys
Keywords:
corrosion resistant alloys, inhibitors, low alloy steel, hydrochloric acid, corrosion, stainless steel, nickel-based alloys
© 1994 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1994
Association for Materials Protection and Performance (AMPP)
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