Corrosion Fundamentals in Pipelines Guillaume Labrouze Corrosion Fundamentals in Pipelines Guillaume Labrouze

Why Corrosion Prediction Models Must Be Treated with Caution

Corrosion prediction models are widely used in oil and gas projects to estimate corrosion rates, define corrosion allowance, and support integrity strategies. They are attractive because they provide numerical outputs that appear objective and reassuring.

However, corrosion prediction models are frequently misused and over-trusted, leading to underestimated risks and inappropriate integrity decisions. Many pipeline failures occur in systems where corrosion models were available, validated, and apparently conservative.

This article explains why corrosion prediction models must be treated with caution and how they should be used appropriately within pipeline integrity management.

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How Corrosion Morphology Helps Identify the Root Cause
Corrosion Fundamentals in Pipelines Guillaume Labrouze Corrosion Fundamentals in Pipelines Guillaume Labrouze

How Corrosion Morphology Helps Identify the Root Cause

While sizing defects is important, corrosion morphology is frequently the most powerful indicator of the underlying degradation mechanism. This article explains how corrosion morphology can be used as a diagnostic tool in pipeline integrity management and why it is essential for effective root cause analysis.

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Why Uniform Corrosion Is Often Less Dangerous Than Localized Corrosion
Corrosion Fundamentals in Pipelines Guillaume Labrouze Corrosion Fundamentals in Pipelines Guillaume Labrouze

Why Uniform Corrosion Is Often Less Dangerous Than Localized Corrosion

This approach overlooks a critical reality: uniform corrosion is often far less dangerous than localized corrosion, even when average corrosion rates appear low. Most catastrophic pipeline failures are driven by localized damage mechanisms that escape conventional corrosion indicators.

This article explains why localized corrosion represents a much higher integrity threat than uniform corrosion and how integrity management must adapt accordingly.

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Why Corrosion Rates Are Often Underestimated During Early Field Life
Corrosion Fundamentals in Pipelines Guillaume Labrouze Corrosion Fundamentals in Pipelines Guillaume Labrouze

Why Corrosion Rates Are Often Underestimated During Early Field Life

Industry experience shows many corrosion-related failures originate from mechanisms initiated during early field life but detected much later. This article explains why corrosion rates are frequently underestimated during early operation and how this underestimation compromises long-term pipeline integrity.

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