Recording: Introduction to Pipeline Corrosion & Cathodic Protection

January 1, 2100 | ::

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“They did a great job explaining the process, and I liked it even more when they talk about actual experiences too.” – SPEC Services

“Excellent intro to the pipeline construction process.” – Department of Energy

Metallic pipelines, both natural gas and petroleum, are subject to the process of corrosion unless protected by cathodic protection. Corrosion of pipelines leads to leaks, loss of service, and expense to the operator of the pipeline system. Many utility companies operate natural gas and petroleum pipelines and strive to prevent corrosion by utilizing cathodic protection.

Through this understanding of the corrosion process, one can then understand how and why cathodic protection prevents the problems caused by corrosion. The program will also discuss the various cathodic protection methods used to stop or prevent the negative effects of corrosion on the metallic pipeline systems. Just about every natural gas and petroleum pipeline is subject to either Federal or State regulatory oversite, so the agenda also ensures understanding of the basic cause and prevention of corrosion in order to help the operator of the pipeline in complying with those government requirements.

These basic elements not only apply to metallic pipelines but would also be applicable to any buried metallic structure such as water lines, electrical conduit, or otherwise.

Learning Outcomes

• Review the basic corrosion cell and how to prevent corrosion
• Examine parts of a corrosion cell the effect on metallic structures
• Describe the coating of metallic structures and rectifier systems
• Discuss use of anodes and the interference problems and remediation
• Explain the critical regulatory requirements

Introduction

• Welcome
• Introduction of students and instructors
• Class agenda
• Training objectives

Corrosion Cell

• Anode
• Cathode
• Metallic path
• Electrolyte

Types of Corrosion

• Galvanic
• Electrolysis

Cathodic Protection

• What is it?
• How it works and why
• Measuring the level of cathodic protection

Galvanic Systems

• Anodes
• Deep bed anodes

Rectifier Systems

• Rectifiers
• Anode beds
• Interference problems

Inspection & Testing

• Types of inspection/tests
• Frequency of inspection/tests

Record Keeping Requirements

Q&A and Adjournment

Thomas Lael, formerly with ConocoPhillips Pipeline Company

Mr. Lael has been involved with the pipeline industry for over 45 years. He has worked for various State Pipeline Regulatory agencies (Illinois, Connecticut, and California) and the Federal government (Transportation Safety Institute, now known as Training and Qualification’s [T&Q]). More recently, Mr. Lael has worked for major petroleum pipeline operators as a code compliance officer and Operator Qualifications Administrator. He has been responsible for determining the operator’s compliance with Federal and State pipeline safety regulations and determining the intent of current and proposed PHMSA regulations.

Mr. Lael spent 10 years working with ConocoPhillips as the OQ administrator for the company OQ program. His employment with ConocoPhillips evolved from his initial employment with Tosco Corporation starting in 1999, merged into Phillips Pipeline Company in 2001, and finally into ConocoPhillips in 2002. He was responsible for the OQ qualifications for approximately 950 employees and over 1,500 contract individuals.

Mr. Lael has worked as an expert witness on legal cases concerning pipeline safety and accident/incident investigations. Mr. Lael has investigated numerous natural gas and petroleum pipeline explosion and fires.

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Don McCoy, formerly with PHMSA’s Office of Pipeline Safety

Don is a native of Georgia and a graduate of Georgia Tech with a bachelor’s degree in aerospace engineering. After several years in the aerospace industry, Don changed careers to the natural gas industry and pipeline safety, including regulatory stints with the Georgia Public Service Commission and the U.S. Department of Transportation’s Pipeline & Hazardous Materials Safety Administration – Office of Pipeline Safety. Don’s pipeline industry experience included 40+ years at Oklahoma-based companies Mustang Fuel Corporation, Enogex Inc., Chesapeake Energy, Chesapeake Midstream, and Access Midstream.

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If you are unable to attend at the scheduled date and time, we make recordings available to all attendees for 7 days after the event

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Recording: Introduction to Pipeline Corrosion & Cathodic Protection

January 1, 2100 |