Online continuous non-intrusive corrosion monitoring is fast becoming industry best-practice in the refining industry globally. This technique involves compact, robust battery-powered sensors placed strategically in the process units, coupled with wireless data delivery to enable continuous, high-quality data to be delivered directly to the desk of the corrosion engineer. This paper presents a collection of case studies from European refineries from the deployment of non-intrusive ultrasonic wall thickness monitoring systems. Beyond the initial goals of each project, the realised value gained from corrosion monitoring is also described, supported by the data and analysis measured by the monitoring system. This is then followed in each case study by the return on investment from the corrosion monitoring system at each refinery. These estimates of returns are based on the benefits realized by the operators, which include avoiding unscheduled shutdowns, diagnosing issues related to corrosion inhibition and extending turnarounds.

Subject
Costs, Sensors, Piping, Corrosion rate, Thickness measurement, Inspection, Refineries, Wall thickness, Equipment, Corrosion data, Crude, Case studies, Corrosion monitoring
Keywords:
Corrosion monitoring, digital transformation, online monitoring, non-intrusive, wireless, corrosion control
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2021
Association for Materials Protection and Performance (AMPP)
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