To determine the causes and extent of casing corrosion in the South Belridge field, casing from two wells was recovered. This casing was subjected to detailed examination and comparison with casing inspection logs, casing caliper logs, cement bond logs, and formation logs. Two causes of corrosion were found. In the upper approximate 200 feet external corrosion was due to oxygen corrosion enhanced by chlorides and sulfates in the soil. Below 200 feet corrosion was due to carbon dioxide containing formation water. Supporting evidence is given and includes scale analyses, sidewall core analyses, and soil analyses. Proposed corrosion control measures are discussed.

Subject
Pits, External surfaces, Water, Piping, Calipers, Leaks, Inspection, Corrosion scales, Cement, External corrosion, Well casings, Soil, Samples
© 1983 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).
1983
Association for Materials Protection and Performance (AMPP)
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