The 25th INTERNATIONAL
Pipeline Pigging & Integrity Management Conference
plus Training Courses and Exhibition
Marriott Westchase Hotel • Houston, Texas • February 11-14, 2013
Defect Assessment in Pipelines
| February 11 | |
| 7:30am | Registration & coffee |
| 8:00am-5:00pm | Course |
| February 12 | |
| 8:00am-4:45pm | Course |
Organized in association with Penspen Integrity
and repair."
from the Final DOT Rule: Pipeline Integrity Management in High Consequence Areas
Many transmission pipelines are now over 20 years old. This is "middle aged" in pipeline terms, and even the best designed and maintained pipeline will become defective as it progresses through its design life. Therefore, operators need to be aware of the effect these defects will have on their pipeline, and more importantly be able to assess their significance in terms of the continuing integrity of the pipeline. The increasing use of high-technology maintenance (for example, intelligent pigs) is helping pipeline owners to assess the condition of their lines, and if these modern maintenance methods are combined with modern defect-assessment methods, they can provide a very powerful, and cost-effective, tool. This course will present the latest defect-assessment methods to pipeline engineers and managers. These methods will range from simple, quick, assessment methods, to the more-detailed fitness for purpose analysis. The course is highly interactive and takes the form of lectures, workshops, and case studies.
Course ObjectivesThe course will cover methods available to assess the significance of defects detected in onshore and offshore pipelines. It will introduce simple analytical methods used to assess internal and external corrosion, dents and gouges, cracks (e.g. SCC), weld defects, and fatigue. The course is unique as it is a holistic approach to defect assessment, and it ensures the student appreciates all aspects of the subject, including repair and risk management. Who Should AttendPipeline engineers, designers and service professionals who are involved with the maintenance, inspection, and repair of pipelines. Course NotesAll delegates will receive a detailed set of lecture notes totaling more than 700 pages, providing an invaluable reference document. Continuing Education UnitsUpon completion of the course, participants will be eligible to receive 1.4 Continuing Education Units (CEUs).
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LecturerDr. Phil Hopkins has more than 30 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 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 1800 engineers and technical personnel around the world have attended his Pipeline Defect Assessment and Pipeline Integrity-related courses. Journal of Pipeline EngineeringAs an additional benefit from attending the course, you will receive a FREE one-year subscription to the Journal of Pipeline Engineering, a $350 value. Offer available to new subscribers only. For more information on the Journal, please see: http://www.j-pipe-eng.com/ |
Course Program |
DAY 1
Introduction to Basic Pipeline Engineering Principles
- Basic pipeline design principles
- Stresses in pipelines
- Routing of pipelines
- Basic pipeline operating and maintenance parameters
- Maintenance and inspection methods
- How safe are pipelines?
- How often do they fail?
- What causes pipelines to fail?
- Pipeline risks
- History of pipeline defect assessment
- Basic theory
- Brittle & ductile fracture
- K, J, and CTOD
Understanding Fatigue (handouts and notes only, no lecture)
- Why pipeline defects fail
- Fundamental failure relationships
- Explanation of key parameters
- Introduction to basic theory
- Background, strengths and weaknesses
- Methods to assess corrosion
- ASME B31.G and RSTRENG methods
- DNV, BG, etc., methods
- Interacting defects
- Universal curves for assessing corrosion defects.
Workshop: Corrosion Assessment using Fitness for Purpose
DAY 2How to Assess Gouges
- Introduction to basic theory
- Methods to assess gouges
- Additional problems and concerns with gouges
- Introduction to basic theory
- Methods to assess dents
- Methods to assess dents containing gouges
- Rock dents
- Problems with fatigue loadings
- Basic theory
- The problems with cracks in pipelines
- Stress corrosion cracking (low and high pH)
- Welds in pipelines
- Assessing defects in pipeline girth welds
- Assessing non planar defects in welds
- The EPRG girth weld defect guidelines
- Fatigue design of girth welds
Setting Intelligent Pig Inspection Levels
- Pigs - where they came from and what they can do.
- Basic theory
- Magnetic, ultrasonic pigs - their accuracy and limitations.
- What pigs can detect
- What operators want to detect
- Setting intelligent pig inspection levels
Workshop: Setting Intelligent Pig Inspection Levels
Fracture Propagation and Arrest (handouts and notes only, no lecture)- Why fractures propagate
- Brittle and ductile propagation
- Fracture arrest
- Calculating toughness requirements
- Repair and rehabilitation strategy
- Response to discovering defects
- What are the cost implications?
- Types of repair and rehabilitation methods
- Grinding
- Weld deposition
- Shells (including epoxy-filled)
- Composite wraps
- Cut outs
- Mechanical clamps/connectors
- Time to repair
- What is risk and risk analysis?
- Risk management around the world
- Risk management in the USA
- Risk management methods - API 1160 and ASME B31.8
- Baseline and direct assessment - discussion item
- Integrity Management Programs
- Prioritisation schemes
Workshop: Setting Priorities
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