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51313-02506-Application of Optical Profilometric Techniques to Corrosion Monitoring

Product Number: 51313-02506-SG
ISBN: 02506 2013 CP
Author: Carlos Menendez
Publication Date: 2013
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Field experience shows that localized corrosion is the major cause of failures in oil and gas production facilities. Several optical profilometric techniques have been developed over the years which enable very precise imaging of the surface topography and quantification of localized corrosion on samples obtained from the field and in laboratory tests. Among these techniques are white light interferometry focus variation microscopy chromatic aberration microscopy confocal laser microscopy atomic force microscopy and others. White light interferometry was recently performed for film thickness measurements and uniformity in thin batch corrosion inhibitors films. This paper provides a review of the principles and application of optical profilometric techniques for corrosion monitoring and localized corrosion quantification. The advantages and drawbacks from each of these methods are provided also.

Field experience shows that localized corrosion is the major cause of failures in oil and gas production facilities. Several optical profilometric techniques have been developed over the years which enable very precise imaging of the surface topography and quantification of localized corrosion on samples obtained from the field and in laboratory tests. Among these techniques are white light interferometry focus variation microscopy chromatic aberration microscopy confocal laser microscopy atomic force microscopy and others. White light interferometry was recently performed for film thickness measurements and uniformity in thin batch corrosion inhibitors films. This paper provides a review of the principles and application of optical profilometric techniques for corrosion monitoring and localized corrosion quantification. The advantages and drawbacks from each of these methods are provided also.

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