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Laying the Foundation for an Engineered and Integrated Approach to Pipeline External Corrosion Protection

Enbridge is proposing to develop a program that utilizes state-of-the-art technologies and proven inspection methods to prescribe interventions related to external corrosion mitigation using a predictive, integrated approach. This new program embraces complex problems by collecting, analyzing, and integrating environmental, pipeline integrity, and corrosion control data to predict external corrosion risk with sound engineering models (mechanistic, reliability and risk) to anticipate, prevent, and contain unexpected events.

Product Number: 51322-17962-SG
Author: Keith Parker, Trey Johnston, Dale Lindemuth, Alfonso Garcia, Stephen B. Gibson
Publication Date: 2022
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With a growing and aging liquids asset base covering over 17,000 pipeline miles throughout the U.S. and Canada, as well as Enbridge’s move to a High-Reliability Organization (HRO), the Enbridge External Corrosion Prevention (ECP) team is working on a shift from a compliance and time-driven routine maintenance program to a predictive forecasting strategy. Coupled with advanced diagnostics and modeling, such an approach can provide useful information for Long-Range Forecasting (LRF). Utilizing a comprehensive in-line inspection (ILI) and direct examination (DE) program with state-of-the-art predictive technologies, sound engineering, and risk management practices, the Enbridge Pipeline Integrity ECP team is developing a unification of corrosion monitoring and mitigation strategies that will minimize and effectively manage external corrosion risks. The expected outcomes of such an approach are increased safety and reliability of the pipeline system along with improvements in operating efficiency. 

With a growing and aging liquids asset base covering over 17,000 pipeline miles throughout the U.S. and Canada, as well as Enbridge’s move to a High-Reliability Organization (HRO), the Enbridge External Corrosion Prevention (ECP) team is working on a shift from a compliance and time-driven routine maintenance program to a predictive forecasting strategy. Coupled with advanced diagnostics and modeling, such an approach can provide useful information for Long-Range Forecasting (LRF). Utilizing a comprehensive in-line inspection (ILI) and direct examination (DE) program with state-of-the-art predictive technologies, sound engineering, and risk management practices, the Enbridge Pipeline Integrity ECP team is developing a unification of corrosion monitoring and mitigation strategies that will minimize and effectively manage external corrosion risks. The expected outcomes of such an approach are increased safety and reliability of the pipeline system along with improvements in operating efficiency. 

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