A methodology was developed, which shows the possibility of using non-intrusive hydrogen permeation monitoring on a pipeline, as an online sensor for predicting the effect of changing fluid conditions (i.e, pH, H2S concentration, water cut, inhibitors) on the Sulfide Stress Cracking Susceptibility of a high strength carbon steel production tubing. A correlation between thickness-normalized hydrogen flux through an API P110 and 5LB grades of steel was achieved, which was valid throughout several orders of magnitude in hydrogen flux, obtained under different experimental conditions (e.g., hydrogen charging conditions, temperature, wall thickness)

Subject
Sensors, Materials, Hydrogen permeation, Electrochemical cells, Correlation, Hydrogen concentration, Diffusion, Pipelines, Hydrogen flux, Wall thickness, Steel, Sulfide stress cracking, Hydrogen
Keywords:
Hydrogen permeation, corrosion monitoring, sulfide stress cracking
© 2002 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).
2002
Association for Materials Protection and Performance (AMPP)
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