Well casing cathodic protection has been the subject of many articles, but there has been comparatively little actual data published regarding mutual interference and the efforts directed toward minimizing It. The purpose of this paper is to place into the record some interference data and to show the results of wellhead potential equalizing as a means of improving the spread of protective current in an interference situation.

Subject
Electric current, Limestone, Voltage, Anodic protection, Cathodic protection, Leaks, Anode surfaces, Rectifiers, Current densities, Electric potential, Well casings, Electrical interference, Anodes
© 1973 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).
1973
Association for Materials Protection and Performance (AMPP)
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