Automated Pipeline Corrosion Monitoring via Sensor Transceivers
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Solution Overview
Problem
Current methods for monitoring the effectiveness of cathodic protection systems in metal structures, such as pipelines, are labor-intensive, costly, and prone to errors, posing safety risks and inefficiencies due to the need for manual data collection by field technicians.
Innovation Solution
An automated sensor system is installed adjacent to metallic pipelines to monitor corrosion potential, providing real-time data analysis and alerts, using transceivers and sensors that can detect irregularities and store data for analysis, potentially utilizing AI for improved accuracy and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual data collection by field technicians is used, then human judgment and flexibility can be applied, but the process becomes labor-intensive, costly, and prone to human error
Solution Approach 1:
The sensor system automatically performs data collection, analysis, and alert generation without requiring human intervention. The system self-monitors corrosion potentials, processes the data through analysis models, and autonomously generates alerts when thresholds are exceeded, eliminating the need for manual field technician deployment while maintaining high data accuracy
Solution Approach 2:
The patent replaces the mechanical manual measurement process with an automated electronic sensor system. Sensors continuously measure corrosion potentials and transmit data to processors that automatically analyze the information, substituting human physical measurement activities with electronic automation to improve both reliability and productivity
2Reliability
If frequent monitoring is implemented to improve safety, then real-time detection of corrosion issues is achieved, but the cost and complexity of the monitoring system increases
Solution Approach 1:
The system implements monitoring at specific critical locations along the pipeline rather than uniformly across the entire pipeline. Sensors are strategically positioned at locations most susceptible to corrosion or where cathodic protection effectiveness is most critical, providing targeted safety monitoring without requiring complex system-wide instrumentation
Solution Approach 2:
The system continuously monitors corrosion potentials and provides real-time feedback through automated alerts when predetermined thresholds are exceeded. This feedback mechanism enables timely intervention to address corrosion issues before they become critical, maintaining high pipeline safety through a relatively simple threshold-based alert system rather than complex continuous control
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system offers a reliable, accurate, and cost-effective means of assessing cathodic protection effectiveness, reducing the risk of human error and enabling prompt maintenance, while providing detailed long-term data for predictive analytics and improved pipeline integrity.
Implementation Method 1
measuring, by use of a reference electrode, a voltage potential between the reference electrode and the metal pipeline
Data Source
AI summary
A sensor system is installed adjacent to the buried or submerged metallic pipelines using a plurality of sensors and transceivers. The sensor system monitors the pipeline for external corrosion control and recommends maintenance and repair at specific locations in the pipeline where external corrosion has occurred. The sensor system automatically receives periodic or continuous measurements through the plurality of sensors. The various sensors at various locations adjacent to the pipelines detect irregularities in the received sensor data at specific locations of the pipeline. The sensor data are stored in the system database and can analyzed to be used for monitoring and for transmitting repair alerts. The sensor system according to the present disclosure provides a reliable and an accurate assessment of the external corrosions of the pipelines. The sensor system further obviates the need of personnel walking along the pipelines to detect corrosion.