Lecturers
Defect Assessment in Pipelines
Professor Phil Hopkins has more than 26 years’ experience in pipeline engineering, and is Technical Director with Penspen Integrity and Visiting Professor of Engineering at the University of Newcastle-upon-Tyne. He has worked with most of the major oil and gas companies and pipeline companies around the world, providing consultancy on management, business, design, maintenance, inspection, risk analysis and safety, and failure investigations. He is the immediate past-chairman of the Executive Committee of the ASME Pipeline Systems Division and has served on many other professional committees, including the British Standards Institution, European Pipeline Research Group, the American Gas Association’s Pipeline Research Committee, and the DNV Pipeline Committee. More than 1700 engineers and technical personnel around the world have attended his Pipeline Defect Assessment and Pipeline Integrity-related courses.
Direct Assessment Methods
Kurt Lawson is Vice President of CC Technologies Systems, Inc., a corrosion engineering and research firm specializing in corrosion, corrosion control methods, research, failure analysis, and cathodic protection monitoring, design and construction. He has more than 17 years of field experience in the corrosion testing and evaluation of buried structures, including reinforced soil structures, pilings, reinforced concrete structures, and cathodically protected tanks and pipelines. Work on these structures has covered a wide range of techniques including basic potential surveys, application of advanced AC and DC electrochemical methods, advanced potential surveys utilizing digital storage oscilloscopes, and complex finite element computer modeling of cathodic protection systems and their effectiveness.
Stress Corrosion Cracking
Dr. Raymond R. Fessler worked on the Pipeline Research Committee project on SCC since its inception in 1965. He personally conducted most of the early field investigations of SCC, from which he identified the major factors that cause high-pH SCC in pipelines. He also managed the laboratory portion of that program from 1965 to 1982, which added significantly to an understanding of the phenomenon and explored a number of possible solutions to the problem. For the past several years, he has been the SCC consultant for GRI and PRCI. He recently completed a comprehensive gap analysis on SCC, and he actively participated in drafting the NACE Recommended Practice on SCC Direct Assessment.
John Mackenzie is a senior pipeline specialist with Kiefner & Associates, focusing on the areas of Integrity Management Plans and Stress Corrosion Cracking. John was previously with TransCanada Pipelines for 25 years, where he was responsible for the company’s original investigation into SCC (1986-1990). This work led to the discovery of near-neutral pH SCC and identified the conditions under which it occurs. He also served as Chair of the PRCI’s SCC Subcommittee for two years.
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