A replacement girth weld in a wet, sour gas gathering pipeline failed within 72 hours of start of operation. This paper describes the investigation of this unusual failure, indicates probable causes, and outlines potential changes in repair/replacement practices for wet, sour gas lines.

Subject
Materials, Piping, Welding, Crack initiation, Pipelines, Drilling fluid, Inspection, Stress, Mechanical failure, Sulfide stress cracking, Hardness, Residual stress, Weldment
Keywords:
pipeline, sour gas, sulfide stress cracking, welding, failure analysis, repair welding
© 1999 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).
1999
Association for Materials Protection and Performance (AMPP)
You do not currently have access to this content.