Abstract
Pulse current technology (PRT) for well casing cathodic protection has been successfully applied in North America since the late 1960’s. Pulse technology has been limited primarily due to a lack of understanding of how the advantages are achieved. As well, there have not been any strong case histories that clearly demonstrate pulse current success where conventional DC current could not adequately protect the casing. This paper will provide a short review of pulse technology, along with a brief review of case studies from earlier publications. This paper will also present a new case study that demonstrates the superiority of pulse current over DC current.
© 2004 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).
2004
Association for Materials Protection and Performance (AMPP)
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