Inspection
Why Pigging Out Is A-OK When It Comes to Cleaning Pipelines
This article examines pipeline operational pigging for internal corrosion prevention, including requirements, pig types, pig selection,...
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...
Guided Wave Ultrasonic Testing for Non-piggable Pipelines
Guided wave ultrasonic testing (GWUT) is a viable alternative for pipelines considered to be non-piggable because they are located in...
Tightrope: Identifying Limiting Conditions for Coatings Specification
In writing coating specifications, it is essential to understand and include all of the limiting conditions at a specific site where...
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...
Corrosion Rate Conversion: Simple Ways to Convert Data Between Common Corrosion Units
Corrosion rate conversion is important when measuring the corrosion rate (the velocity at which metal is lost) of equipment or a metallic...
Corrosion Industry Experts Share What Innovations They See on the Horizon in 2019
Find out what new innovations you should look out for this year as Corrosionpedia went to NACE Corrosion 2019 (the world’s largest...
INFOGRAPHIC: The El Paso Natural Gas Company Pipeline Explosion
In August of 2000, the 30-inch diameter El Paso Natural Gas Company pipeline exploded in New Mexico resulting in 12 deaths and millions of...
The 4 Best Nondestructive Inspection Methods for Corrosion Under Insulation
The advantages and limitations of four of the best nondestructive inspection methods for corrosion under insulation (CUI) in pipelines are...
7 Best Methods for Detecting Leaks in Pressure Vessels
Pressure vessels may become unusable if leaks are present and the internal pressure decays. It is critical that pressure vessels remain...
How Closed Circuit Television (CCTV) is Changing Sewer and Pipeline Asset Management
New closed circuit television (CCTV) cameras are used by water authorities and underground pipeline operators to inspect pipes, identify...
The Use of Laser Scanning when Conducting Fitness-for-Service Corrosion Assessments
Laser scanning (profilometry) is a highly effective and accurate inspection method for measuring changes in geometry of pressurized vessels...
Use of Non-intrusive Inspection in Onshore Gas Facilities
Non-intrusive inspections of pressure and process vessels are used to determine the internal condition of the equipment without having to...
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
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
NDT inspectors are able to perform inspection services in difficult to access areas, including confined spaces, elevated areas, and on and...
Case Study: Remediation of 1960s-Era Concrete Silos
A case study in the structural strengthening and concrete repair practices for the ongoing operational efficiency and durability of...
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
In petrochemical refineries, the majority of pipeline failures are due to three corrosion mechanisms. This article discusses how to survey...
