Preprocessing of offshore platform-integrated marine monitoring system data: What to do with unusual values or trends? ///

This article addresses the challenge posed by measurement data on offshore platforms that doesn’t fall into the norm. Specifically, it deals with measurements obtained by offshore platform-integrated marine monitoring systems—such as metocean data, GPS data and structural data—that, at a glance, have unusual values or trends. In each case, a solution for how to treat unusual values is presented. The article discusses some unusual episodes in full-scale measured data and suggests possible treatments for such unusual values. Proper treatments of the measured data can enable marine assurance engineers to make the right decisions and avoid possible damages to the system or even a shutdown of production due to faulty alerts.

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