Pipeline Repair Methods/InService Welding Course

February 7, 2005
7:30am	Registration & coffee
8:00am-5:00pm	Course
February 8, 2005
8:00am-5:00pm	Course

The various aspects of pipeline repair using weld and non-weld methods will be covered, as will the concerns for welding onto in-service pipelines and the approaches used to address them.

Pipeline engineers, Operations and Maintenance personnel, inspectors, and welders.

• William A. Bruce is a Lead Engineer in the Materials Section at Edison Welding Institute in Columbus, Ohio. Before joining EWI in 1988, he was a Senior Engineer at Panhandle Eastern Pipeline Company. He has been involved in pipeline welding research continuously since his graduation from The Ohio State University in 1981. During his tenure at EWI, he spent a four-month secondment at TWI in Cambridge England. His areas of interests include repair welding, inspection techniques, and failure analysis. He has carried out numerous projects pertaining to safety and integrity aspects of repair and modification of in-service pipelines by welding. He also pioneered the use of lasers for mapping corrosion damage on exposed pipelines. He is an American Welding Society representative on the American Petroleum Institute API 1104 Committee and is the chairman of the Maintenance Welding Subcommittee. He is also a member of the AWS D10 committee. In 1995, he received the Airco Award, for "...innovation in the application of welding and cutting techniques..." from AWS. In 2002, he received a PRCI Distinguished Researcher Award from Pipeline Research Council International. He holds a B.S. degree in Welding Engineering and is a Registered Professional Engineer and an IIW International Welding Engineer.
• Dr. Martin Phillips is a Senior Engineer with CC Technologies Services, Inc. He has more than 20 years experience with ILI and pipeline integrity services, including management of multi-pipeline inspection programs using different ILI tools and development of ILI tools for metal loss and cracking.
• Chris Alexander is a Staff Consultant at Stress Engineering Services, Inc. He has been integrally involved in assessing the effects of dents and mechanical damage on the structural integrity of pipelines. Mr. Alexander has also been involved in assessing the use of composites in repairing pipelines and has published numerous papers and made international presentations on this subject.

All delegates will receive a detailed set of lecture notes containing more than 250 pages, providing an invaluable reference document after the course.

Upon completion of the course, participants will be eligible to receive 1.2 Continuing Education Units (CEUs).

• Introduction
• Incentives
• Primary Concerns

• Reason for Assessment
• Types of pipeline defects
• Pressure Reduction Requirements
• Corrosion Measurement Methods
• Corrosion Assessment Methods

• Pipeline Repair Manual
• Detailed Selection Criteria

• Factors Affecting Burnthrough
• Effect of Wall Thickness
• Effect of Heat Input
• Effect of Flow Rate/Pressure
• Avoiding Burnthrough

• Recent Significant Incidents
• Common Factor/Recommendation
• Hydrogen Cracking Requirements
• Welding Metallurgy 101
• Prevention of Hydrogen Cracking

• FullEncirclement Sleeve Types
• Principle of Operation
• Assuring Effective Reinforcement
• Sleeve Design
• Sleeve Fabrication

• Branch Connection Design
• Reinforcement Types
• IntegrallyReinforced

• Physical Concept
• History of Weld Deposition Repair
• Burnthrough Risk
• Integrity Restoration
• Practical Application

• Repair by Grinding
• Composite Repairs
• EpoxyFilled Shells

• Recent Changes to API 1104
• Code Requirements for Weld Deposition Repair

• Burnthrough Risk Summary
• Prevention of Hydrogen Cracking
• Welding Procedure Options
• Welder/Procedure Qualification
• Predicting Required Heat Input
• Selecting an appropriate procedure

• Proper electrode handling
• Proper fitup
• Proper welding sequence
• Control of Heat Input Levels
• Inspection and Testing

• Reported Incidents
• PreviouslyUnreported Incidents
• Ten Commandments of InService Welding

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