During periods of high Telluric activity it is difficult to collect meaningful pipe-to-soil potentials on pipelines that are located in the northern or southernmost latitudes. This paper presents a new survey technique for acquiring "Telluric-nulled" pipe-to-soil potential data on pipelines influenced by Telluric currents. Results of field trials on the Trans Alaska Pipeline System (TAPS) using this new survey technology are also presented.

Subject
Electric current, Sensors, Piping, Electrochemical cells, Pipe to soil potential, Reference electrodes, Pipelines, Potential measurements, Equipment, Telluric current, Surveys, Zinc, Electrode potential
Keywords:
Telluric, nulled, pipe-to-soil-potential, shunt, current, magnetometer
© 1995 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).
1995
Association for Materials Protection and Performance (AMPP)
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