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51315-6169-Application of Non-Intrusive Fixed Wireless Thickness Monitoring for Sulfidation Corrosion to Provide Improved Data over Conventional Inspection

Picture for Application of Non-Intrusive Fixed Wireless Thickness Monitoring for Sulfidation Corrosion to Provi
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Product Number: 51315-6169-SG
ISBN: 6169 2015 CP
Author: Daniel Chapman
Publication Date: 2015
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One of Chevron’s refineries has been monitoring the bottoms circuit and several of the side cuts of the atmospheric column in the crude unit for corrosion related to sulfidation with 120 sensors. The system is completely non-intrusive and uses wireless communication to minimize the cost of installation. Real time wall thickness measurements delivered by the Permasense system are validating that thematerials selection since the crude unit start up in 2013 are functioning reliably. The simple visualization interface allows the data to be seen by the end user from their desk computer. The Permasense data has been used as a means of demonstrating effective corrosion control and monitoring to the satisfaction of oversight agencies and is being use to provide an even better fundamental understanding of sulfidation corrosion. These online UT measurements will be compared to standard manual inspection techniques illustrating the benefit of a fixed sensor and more frequent data collection.
One of Chevron’s refineries has been monitoring the bottoms circuit and several of the side cuts of the atmospheric column in the crude unit for corrosion related to sulfidation with 120 sensors. The system is completely non-intrusive and uses wireless communication to minimize the cost of installation. Real time wall thickness measurements delivered by the Permasense system are validating that thematerials selection since the crude unit start up in 2013 are functioning reliably. The simple visualization interface allows the data to be seen by the end user from their desk computer. The Permasense data has been used as a means of demonstrating effective corrosion control and monitoring to the satisfaction of oversight agencies and is being use to provide an even better fundamental understanding of sulfidation corrosion. These online UT measurements will be compared to standard manual inspection techniques illustrating the benefit of a fixed sensor and more frequent data collection.
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