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Analysis of Internal Corrosion Monitoring Data in Relation to ILI Results

Currently pipeline operators use coupons and other monitoring data to determine if internal corrosion is active. Coupons are relatively easy to install, typically taking 1-2 days and cost around $10,000. This makes this method for collecting data attractive to operators.

Product Number: 51323-19433-SG
Author: Yevgeniy Petrov, Megan Scudder
Publication Date: 2023
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$20.00
$20.00

Internal corrosion monitoring data such as coupons and water analysis can provide insight into the presence and severity of internal corrosion between ILIs. Most operators rely on monitoring data to detect an unfavorable change but have limited confidence in the results. If parameters are outside specified KPIs, operators must make costly changes to their mitigation strategy.


This work attempts to quantify the correlation between more-sensitive ILI measurements and negative changes in coupon monitoring data or additional data sets such as microbial or water. Additionally, monitoring data will be compared to an internal corrosion growth detection model based on ILI measurements.

Internal corrosion monitoring data such as coupons and water analysis can provide insight into the presence and severity of internal corrosion between ILIs. Most operators rely on monitoring data to detect an unfavorable change but have limited confidence in the results. If parameters are outside specified KPIs, operators must make costly changes to their mitigation strategy.


This work attempts to quantify the correlation between more-sensitive ILI measurements and negative changes in coupon monitoring data or additional data sets such as microbial or water. Additionally, monitoring data will be compared to an internal corrosion growth detection model based on ILI measurements.

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