Below Ground


Electrical lines in a utility right-of-way. Electrical lines in a utility right-of-way. Electrical lines in a utility right-of-way. Electrical lines in a utility right-of-way.


AC induced corrosion of buried pipelines can occur due to placing electrical utilities in a common right of way. Fortunately there are ways...

Troubleshooting Cathodic Protection Systems and Function Systems Troubleshooting Cathodic Protection Systems and Function Systems Troubleshooting Cathodic Protection Systems and Function Systems Troubleshooting Cathodic Protection Systems and Function Systems


In order to ensure corrosion control of underground or submerged metallic structures, periodic function testing and troubleshooting of...

Cathodic Protection and Anode Backfills Cathodic Protection and Anode Backfills Cathodic Protection and Anode Backfills Cathodic Protection and Anode Backfills


Cathodic protection is a key method for preventing corrosion, and understanding its basic concepts is very important. Here we look at the...

Offshore oil rig Offshore oil rig Offshore oil rig Offshore oil rig


Zinc is widely used in the oil & gas industry, but its safety is being called into question by regulators and the industry, especially for...

The Basics of Cathodic Protection The Basics of Cathodic Protection The Basics of Cathodic Protection The Basics of Cathodic Protection


The purpose of cathodic protection (CP) is to reduce the potential difference between anodes and cathodes to a small value. Here's how it...

The Use of Cathodic Protection Coupons for Monitoring Cathodic Protection Levels The Use of Cathodic Protection Coupons for Monitoring Cathodic Protection Levels The Use of Cathodic Protection Coupons for Monitoring Cathodic Protection Levels The Use of Cathodic Protection Coupons for Monitoring Cathodic Protection Levels


The corrosion industry is beginning to emphasize the use of cathodic protection (CP) coupons as an assessment technique to determine the CP...

Corrosion and Electrical Interference in Buried Metallic Structures Corrosion and Electrical Interference in Buried Metallic Structures Corrosion and Electrical Interference in Buried Metallic Structures Corrosion and Electrical Interference in Buried Metallic Structures


Electrical interference is a threat that accelerates corrosion in buried metallic structures such as pipelines, tanks and vessels....

Decommissioning Your Cathodic Protection Well Decommissioning Your Cathodic Protection Well Decommissioning Your Cathodic Protection Well Decommissioning Your Cathodic Protection Well


Decommissioning a deep anode well or groundbed simply by removing the surface hardware and walking away is often no longer acceptable....

6 Things You Need to Know About Platinized Titanium Anodes 6 Things You Need to Know About Platinized Titanium Anodes 6 Things You Need to Know About Platinized Titanium Anodes 6 Things You Need to Know About Platinized Titanium Anodes


Platinized titanium anodes are preferred in impressed current cathodic protection systems exposed to marine environments due to the low...

Electric Transportation Systems and Stray Current Corrosion Electric Transportation Systems and Stray Current Corrosion Electric Transportation Systems and Stray Current Corrosion Electric Transportation Systems and Stray Current Corrosion


Stray current corrosion from DC transit system is a real threat to a pipeline’s integrity, but it can be detected by measuring the...

Corrosion Prevention in Aboveground and Underground Tanks Corrosion Prevention in Aboveground and Underground Tanks Corrosion Prevention in Aboveground and Underground Tanks Corrosion Prevention in Aboveground and Underground Tanks


Corrosion in aboveground and underground storage tanks (ASTs and USTs) can have devastating effects. Using corrosion resistant tank...

The Tuberculation Battle: How to Effectively Use the Unidirectional Flushing Method The Tuberculation Battle: How to Effectively Use the Unidirectional Flushing Method The Tuberculation Battle: How to Effectively Use the Unidirectional Flushing Method The Tuberculation Battle: How to Effectively Use the Unidirectional Flushing Method


Tuberculation is a common problem associated with aging metal iron pipes. In an attempt to improve operational efficiency and overall water...

Increased Rates of Copper Corrosion in the Zone of Aeration Explained Increased Rates of Copper Corrosion in the Zone of Aeration Explained Increased Rates of Copper Corrosion in the Zone of Aeration Explained Increased Rates of Copper Corrosion in the Zone of Aeration Explained


Variation in environmental conditions tends to create conditions ideal for the formation of differential aeration cells in the zone of...

The Impact of the Pipeline Safety Act of 2011 on the Industry The Impact of the Pipeline Safety Act of 2011 on the Industry The Impact of the Pipeline Safety Act of 2011 on the Industry The Impact of the Pipeline Safety Act of 2011 on the Industry


Even though pipelines are one of the safest and most reliable forms of energy transportation, there is a long history of pipeline failures...

The Mining Industry's Fight Against Corrosion The Mining Industry's Fight Against Corrosion The Mining Industry's Fight Against Corrosion The Mining Industry's Fight Against Corrosion


One of the biggest and most costly reasons for equipment to go non-functional or mining production to stop is corrosion. If a mining...

What We Can Learn From Mass Underground Water Pipe Corrosion What We Can Learn From Mass Underground Water Pipe Corrosion What We Can Learn From Mass Underground Water Pipe Corrosion What We Can Learn From Mass Underground Water Pipe Corrosion


A lack of effective corrosion prevention could be a main cause for the failure of the metallic pipes used for the water system. This...

Increasing Cathodic Corrosion Protection to Pipelines by Removing Underground Earthing Increasing Cathodic Corrosion Protection to Pipelines by Removing Underground Earthing Increasing Cathodic Corrosion Protection to Pipelines by Removing Underground Earthing Increasing Cathodic Corrosion Protection to Pipelines by Removing Underground Earthing


Remedial work was required to avoid stray current corrosion where a gas pipeline and a fire protection system water main were in close...

Pitting Corrosion in Oil and Gas Wells and Pipelines Pitting Corrosion in Oil and Gas Wells and Pipelines Pitting Corrosion in Oil and Gas Wells and Pipelines Pitting Corrosion in Oil and Gas Wells and Pipelines


The hydrogen sulfide and carbon dioxide gases responsible for pitting are most commonly encountered in the oil and gas sector. For this...

Cathodic Protection Design Differences for FBE-Coated Pipelines Cathodic Protection Design Differences for FBE-Coated Pipelines Cathodic Protection Design Differences for FBE-Coated Pipelines Cathodic Protection Design Differences for FBE-Coated Pipelines


Alan Kehr provides some guidance and perspective on an article published in Pipeline and Gas Journal: “Fusion-bonded Epoxy’s Effects on...