One inhibitor was studied in detail to determine the effect of solvent, temperature, concentration and contact time on inhibitor application. The laboratory corrosion tests used the rotating cylinder electrode and linear polarization to measure the corrosion rate. The corrosion rate was also verified by iron loss measurements. Inhibitor was extracted from the electrode surface and the quantity determined by gas liquid chromatography. The inhibitor was also detected on the surface of the electrode by Fourier Transform Infrared spectroscopy. Corrosion rate data monitored in the field and inhibitor residue on field coupons confirm the laboratory test data.

Subject
Chemical compounds, Crude oil inhibition, Inhibitor performance, Corrosion rate, Metal surfaces, Inhibitor films, Solubility, Solvents, Flowlines, Inhibitor treatment, Corrosion inhibitors, Crude, Oil
Keywords:
corrosion inhibitor, rotating cylinder electrode, concentration, solvent, temperature, contact time, batch treatment, spectroscopy
© 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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