The objectives of the PR-3-41 Project were to obtain and analyze data on telluric gradients and on their associated pipeline effects, and to assess the significance of these effects. Earlier work on the PR-3-41 Project was concerned with H.V.D.C. effects on buried structures (1,2). The data were obtained in 1968 and 1969 by the Northern Natural Gas Company, the El Paso Natural Gas Company, Columbia Gas-Ohio Fuel Gas Company, and Pacific Lighting Service and Supply Company, at sites in Wisconsin, Washington, Ohio, and California. The companies sent the data to Battelle Columbus Laboratories for analysis.

Subject
Electric current, Piping, Correlation, Cathodic protection, Pipe to soil potential, Leaks, Pipelines, Waves, Rectifiers, Equipment, Corrosion data, Corrosion protection, Electrodes
© 1971 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).
1971
Association for Materials Protection and Performance (AMPP)
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