The Elf Group today has 707 km (2,4 x 106 ft) of 13 % Cr steel tubing in service in 279 wells, including 235 oil wells and 44 gas wells. The operating conditions for these tubes have remained practically unchanged for 10 years, and the overall performance is completely satisfactory. The corrosion limits are even much higher than was believed. Altogether, the use of 13 % Cr steel tubing has led to savings of more than 500 milliion $, half of which is due to the use of 13 % Cr steel right from the initial well completion.

Subject
Costs, Water, Materials, Bicarbonates, Steel tubing, Tubing, Mechanical failure, Steel, Carbon steel, Corrosion resistance, Stainless steel, Sulfide stress cracking, Oil
© 1994 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).
1994
Association for Materials Protection and Performance (AMPP)
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