Coiled tubing is an extremely useful tool in many well logging and workover applications in oil and gas production operations. Several important concerns regarding its use include the need for improved guidelines for the assessment of mechanical integrity, fatigue damage, and the effects of hydrogen sulfide in sour oil and gas production environments. This paper provides information regarding the use of coiled tubing in sour environments with particular emphasis on sulfide stress cracking, hydrogen induced cracking and stress-oriented hydrogen induced cracking and how they work synergistically with cyclic cold working of the steel tubing.

Subject
Hydrogen sulfide, Materials, Yield stress, Walls, Stress cracking, Tensile stress, Steel, Stress oriented hydrogen induced cracking, Hydrophobic interaction chromatography, Coiled tubing, Sulfide stress cracking, Blistering, Stress corrosion cracking
Keywords:
coiled tubing, corrosion, hydrogen sulfide, serviceability, sulfide stress cracking, hydrogen induced cracking, stress-oriented hydrogen induced cracking
© 1996 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).
1996
Association for Materials Protection and Performance (AMPP)
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