The dynamics and challenges present within sour gas systems are still large and require an aggressive and widespread integrity management program. In Kaybob South these challenges are complicated further by an aging infrastructure and the lack of resources to aid in controlling the corrosion. This paper reviews some of the strategies used by the operating company in the Kaybob South field, including using various monitoring techniques such as the FSM unit, electrochemical noise and smart pigging to help manage and operate a sour gas gathering system reliably. Through a number of failures, changing production, and inhibition alterations a lot of knowledge has been gained on a system that was thought to be under control. Lessons learned in inspections and new technology implementations have been incorporated into the integrity management strategy. By continuously monitoring and understanding the dynamics of the field, proper mitigation programs can be put in place to help extend the life of the system.

Subject
Pits, Corrosion failures, Inhibitor performance, Corrosion rate, Sour gas, Pipelines, Inspection, Corrosion detection, Corrosion inhibitors, Corrosion data, Pitting, Integrity management, Corrosion mechanisms
Keywords:
Sour gas, pipelines, H2S corrosion, aging infrastructure, FSM, electrochemical noise, inhibition, integrity management
© 2004 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).
2004
Association for Materials Protection and Performance (AMPP)
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