Inspection / Monitoring


Why Non-intrusive Inspection (NII) is Such an Effective Process for Corrosion Management Why Non-intrusive Inspection (NII) is Such an Effective Process for Corrosion Management Why Non-intrusive Inspection (NII) is Such an Effective Process for Corrosion Management Why Non-intrusive Inspection (NII) is Such an Effective Process for Corrosion Management


Non-intrusive inspections (NII) are increasingly being considered as an alternative to the traditional internal visual inspection (IVI)...

An Introduction to the Alexander Cell An Introduction to the Alexander Cell An Introduction to the Alexander Cell An Introduction to the Alexander Cell


Cathodic protection monitoring measurements are concerned with the equilibrium of electrical potentials. The Alexander Cell establishes...

Using 3D Laser Analysis for Nondestructive Testing and Evaluation of Pipeline Corrosion Using 3D Laser Analysis for Nondestructive Testing and Evaluation of Pipeline Corrosion Using 3D Laser Analysis for Nondestructive Testing and Evaluation of Pipeline Corrosion Using 3D Laser Analysis for Nondestructive Testing and Evaluation of Pipeline Corrosion


NDT inspectors are able to perform inspection services in difficult to access areas, including confined spaces, elevated areas, and on and...

Nondestructive CUI Detection Techniques for Process Pipelines Nondestructive CUI Detection Techniques for Process Pipelines Nondestructive CUI Detection Techniques for Process Pipelines Nondestructive CUI Detection Techniques for Process Pipelines


Advancements in the corrosion field allow us to detect and control corrosion under insulation (CUI) in pipeline systems through...

CUI Detection Techniques for Process Pipelines CUI Detection Techniques for Process Pipelines CUI Detection Techniques for Process Pipelines CUI Detection Techniques for Process Pipelines


In petrochemical refineries, the majority of pipeline failures are due to three corrosion mechanisms. This article discusses how to survey...

erosion corrosion rust rock ground soil brick cobblestone path pavement sidewalk walkway erosion corrosion rust rock ground soil brick cobblestone path pavement sidewalk walkway erosion corrosion rust rock ground soil brick cobblestone path pavement sidewalk walkway erosion corrosion rust rock ground soil brick cobblestone path pavement sidewalk walkway


Erosion corrosion affects critical equipment in aviation and other industries, so preventive measures are needed at the design stage itself...

Introduction to Managing Internal Corrosion in Process Vessels Introduction to Managing Internal Corrosion in Process Vessels Introduction to Managing Internal Corrosion in Process Vessels Introduction to Managing Internal Corrosion in Process Vessels


Oil and gas process vessels are commonly subjected to aggressive chemicals and elevated levels of temperature and pressure. Those who...

Tips for Success in Conducting External Corrosion Direct Assessments Tips for Success in Conducting External Corrosion Direct Assessments Tips for Success in Conducting External Corrosion Direct Assessments Tips for Success in Conducting External Corrosion Direct Assessments


These helpful practices allow pipeline operators to get the most out of their External Corrosion Direct Assessments by isolating integrity...

The Benefits of Timely and Effective Reporting When Conducting Pipeline Close Interval Surveys The Benefits of Timely and Effective Reporting When Conducting Pipeline Close Interval Surveys The Benefits of Timely and Effective Reporting When Conducting Pipeline Close Interval Surveys The Benefits of Timely and Effective Reporting When Conducting Pipeline Close Interval Surveys


Close interval surveys are an inspection tool that assesses and reduces the impact of external corrosion on pipelines in order to improve...

Lessons from a 35-Year-Old Water Heater Lessons from a 35-Year-Old Water Heater Lessons from a 35-Year-Old Water Heater Lessons from a 35-Year-Old Water Heater


A tale of why I didn’t replace my 35-year-old hot water heater, or why most corrosion mitigation procurement practices are hopelessly...

How to Control Corrosion by Improving Design How to Control Corrosion by Improving Design How to Control Corrosion by Improving Design How to Control Corrosion by Improving Design


The proper design to minimize corrosion is as important as the selection of materials. In many structures, a lack of design consideration...

7 Methods of Coating Thickness Measurement 7 Methods of Coating Thickness Measurement 7 Methods of Coating Thickness Measurement 7 Methods of Coating Thickness Measurement


Measurement of film thickness can be done with many different instruments. Understanding the equipment available for film thickness...

Remote Corrosion Monitoring Systems in the Oil and Gas Industry Remote Corrosion Monitoring Systems in the Oil and Gas Industry Remote Corrosion Monitoring Systems in the Oil and Gas Industry Remote Corrosion Monitoring Systems in the Oil and Gas Industry


Companies use remote corrosion monitoring systems to prevent pipelines and other plant equipment from failing in the field. Discover where...

Coating Holidays & Pinholes: Chinks in the Armor Coating Holidays & Pinholes: Chinks in the Armor Coating Holidays & Pinholes: Chinks in the Armor Coating Holidays & Pinholes: Chinks in the Armor


Defects in a coating film can ultimately leave the metal substrate vulnerable to corrosion, thus negating the purpose of the protective...

Multi-Technique Pipeline Corrosion Monitoring Multi-Technique Pipeline Corrosion Monitoring Multi-Technique Pipeline Corrosion Monitoring Multi-Technique Pipeline Corrosion Monitoring


Individual corrosion monitoring techniques can be misleading and indicate no corrosion or only one type of corrosion. Here, we take a look...

Implementing the AS-NZS 2312 Coating Standard Update Implementing the AS-NZS 2312 Coating Standard Update Implementing the AS-NZS 2312 Coating Standard Update Implementing the AS-NZS 2312 Coating Standard Update


A leading corrosion expert provides a technical overview of changes to coating standard AS/NZS 2312, covering coating selection,...

Gas Pipelines: Internal Corrosion Protection and Fire Prevention Gas Pipelines: Internal Corrosion Protection and Fire Prevention Gas Pipelines: Internal Corrosion Protection and Fire Prevention Gas Pipelines: Internal Corrosion Protection and Fire Prevention


Electrochemical reactions on the internal surfaces of gas pipelines can result in corrosion and, ultimately, gas leaks, fires and...

Engineering Ships for Better Coating Performance Engineering Ships for Better Coating Performance Engineering Ships for Better Coating Performance Engineering Ships for Better Coating Performance


When examining why marine coatings fail, the industry commonly assumes the cause lies in substandard surface preparation or paint...

Tools & Tips: Holiday Detection on Coated Steel & Concrete Substrates Tools & Tips: Holiday Detection on Coated Steel & Concrete Substrates Tools & Tips: Holiday Detection on Coated Steel & Concrete Substrates Tools & Tips: Holiday Detection on Coated Steel & Concrete Substrates


A coating inspector offers tips on using low voltage and high voltage testers to find coating pinholes (holidays) on painted metallic...