Mechanical damage of downhole tubing coatings through the impact of wireline tools is commonplace. This paper reports the results of laboratory "drop tube" impact tests on a range of commercially available coatings, the study being aimed at defining current coating limitations and directing future coating development work.

In summarizing, work carried out thus far, the paper also defines a screening test protocol for internal tubing coatings, and defines current operational limits for such products.

Subject
Thermoplastic coatings, Wear, Test methods, Primers, Coatings, Materials, Wirelines, Tools, Mechanical damage, Epoxy coatings, Tubing, Mechanical failure, Thermoset coatings
Keywords:
Downhole tubing, Internal coating, Impact, Coating selection
© 2001 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).
2001
Association for Materials Protection and Performance (AMPP)
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