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Internal Pipeline Integrity Assessment and Pigging Technology

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 Course Overview


corrosion courses: pipeline internal corrosion, pipeline integrity assessmentCorrosion is a dominant contributing factor to failures and leaks in pipelines. The high cost of corrosion and corrosion control in multiphase (oil, gas, and brine) pipelines represents
a significant operating expense for the field. Corrosion severely affects pipeline operations, leading to lost production, unscheduled downtime for maintenance or repair, and even catastrophic failure that impacts health, environment, and safety. Maintaining the ageing infrastructure such as underground pipelines is always a challenge to facility owners worldwide. This 5-day course covers internal pipeline corrosion, inline inspection and assessment methodology, and pigging technology. A practical field guide for investigating internal corrosion of pipelines is also presented.


This course is available for in-house training, online and distance learning worldwide. It can also be customized to meet the specific needs of your organization.


Course Outline |Who Should Attend |Registration |In-House |On-Demand |Online Courses |PPT Slides+Testbank |Course List

 Course Outline

1.1 Natural Gas Internal Pipeline Corrosion
       1.1.1 Definition
       1.1.2 The threats and impacts of internal corrosion in the oil and gas
                  transmission systems
       1.1.3 Natural gas transmission systems vs. oil or mixed-phase transmission systems
       1.1.4 Internal corrosion vs. external corrosion
1.2 Different forms of internal corrosion
       1.2.1 Uniform Corrosion
       1.2.2 Localized Corrosion
       1.2.3 Pitting
       1.2.4 Crevice Corrosion
       1.2.5 Mesa Corrosion
       1.2.6 Weld Zone Corrosion
       1.2.7 Environmentally Assisted Cracking (EAC)
       1.2.8 Flow-Assisted Damage


2.1 Internal Corrosion Mechanisms
      2.1.1 Galvanic Corrosion
      2.1.2 Concentration Cells
      2.1.3 Environmentally Assisted Cracking Mechanisms
      2.1.4 Hydrogen Damage
      2.1.5 Hydrogen Induced Cracking (HIC)
      2.1.6 Hydrogen Embrittlement (HE)
      2.1.7 Stress-Oriented Hydrogen Induced Cracking (SOHIC)
      2.1.8 Sulfide Stress Cracking (SSC)
      2.1.9 Stress Corrosion Cracking (SCC)
      2.1.10 Liquid Metal Embrittlement (LME)
      2.1.11 Flow-Assisted Damage Mechanisms
      2.1.12 Erosion
      2.1.13 Impingement
      2.1.14 Erosion-Corrosion
      2.1.15 Cavitation
2.2 Exercise/practical session


3.1 The Corrosive Species and their effects on internal corrosion
       3.1.1 Carbon Dioxide (CO2)
       3.1.2 Hydrogen Sulfide (H2S)
       3.1.3 Oxygen
       3.1.4 Microbiologically Influenced Corrosion
3.2 The type of pipelines affected by internal corrosion
       3.2.1 Upstream Petroleum Production Pipelines
       3.2.2 Transmission Pipelines
       3.2.3 Distribution Pipelines
       3.2.4 Pipeline Facilities
       3.2.5 Other Service Pipelines
       3.2.6 Exercise/practical session


4.1 Internal corrosion inspection and assessment methodology
       4.1.1 Inspection methods
       4.1.2 Direct Assessment Methodology
4.2 Internal corrosion monitoring
       4.2.1 Details of failure
       4.2.2 Direct Intrusive Techniques
       4.2.3 Direct Non-Intrusive Techniques
       4.2.4 Indirect Methods
       4.2.4 Monitoring techniques
4.3 Modeling and Prediction of Internal Corrosion
       4.3.1 Corrosion rate prediction flow chart
       4.3.2 Corrosion rate prediction models
4.4 Exercise/practical


5.1 Control and Treatment of Internal Corrosion
       5.1.1 Eliminating the Corrosive Environments

       5.1.2 Altering Operating & Maintenance Procedures (e.g. Regular Cleaning by Pigging)

       5.1.3 Chemical Treatment (Inhibitors & Biocides, pH stabilisation)
5.2 Design to Prevent Internal Corrosion
       5.2.1 Design and Operation
       5.2.2 System Design
       5.2.3 Gas Transmission Pipeline Drips
       5.2.4 Dead Legs/Ends
       5.2.5 Pipeline Fittings
       5.2.6 Compressor Stations and Associated Piping
       5.2.7 Water Removal
       5.2.8 Removal of Potentially Corrosive Gases
       5.2.9 Modifying Flow Characteristics
       5.2.10 Physical Design Changes
       5.2.11 Selecting and Implementing Appropriate Methods
       5.2.12.Effectiveness of Mitigation Method
5.3 Optimization of Internal Corrosion management Program
       5.3.1 Risk management
       5.3.2 Risk identification
       5.3.3 Risk evaluation
       5.3.4 Risk mitigation
       5.3.5 Risk monitoring
       5.3.6 Risk based decision making
5.4 NACE Standards on International Corrosion
5.5 Field Guide for Investigating Internal Corrosion of Pipelines


6.1 Introduction to Pigging Technology

       6.1.1 How pigs work
       6.1.2 Pig functions and selection
       6.1.3 Pipeline design for pigging
       6.1.4 Pigging Techniques and Equipment

6.2 Pigging for Pipeline Integrity Assessment

       6.2.1 The needs for pigging

       6.2.2 Overview of pipeline internal inspection and monitoring methods and capabilities
6.2.3 Advanced ILI technologies: what methods are available for the pipeline industry?

       6.2.4 Capabilities and functions of ILI tools: what can they do?
       6.2.5 Methods selection and optimization

6.3 What Pipeline Operators Need to Know About Pigging:

       6.3.1 Type of pigs available
       6.3.2 How intelligent pigs work
       6.3.3 Piggable vs unpiggable pipelines
       6.3.4 Impact of pigging inspection on the operation of pipelines
       6.3.5 When to use intelligent pigs
       6.3.6 Budgeting for ILI inspection
       6.3.7 Typical costs of ILI inspection
       6.3.8 Selection of intelligent pig for pipeline internal inspection
       6.3.9 Comparison between low resolution (1st Generation) and
                 high resolution (2nd Generation) MFL pigs
       6.3.10 Reliability of intelligent pigs
       6.3.11 Accuracy of intelligent pigs
       6.3.12 Comparison between UT pigs and high resolution MFL pigs
       6.3.13 Detection of cracks in pipelines by intelligent pigs
       6.3.14 Inspection by intelligent pigs vs. in-service hydrotest
       6.3.15 Consideration of 'fingerprint' ('baseline') inspection
       6.3.16. When, and How frequent, ILI tools should be used for pipeline internal inspection.
6.4 Interpretation of intelligent-pig survey results
6.5 Assessment of pipeline defects detected during pigging operations

6.6 Pigging and chemical treatment of pipelines

7.1 Risk assessment and pipeline integrity
7.2 Case studies: pigging of gas pipelines
7.3 End of course examination


Course Outline |Who Should Attend |Registration |In-House |On-Demand |Online Courses |PPT Slides+Testbank |Course List

Who Should Attend
  • Engineers and technologists who are in charge of pipeline integrity

  • Technicians and maintenance personnel who deal with pipeline inspection and maintenance.

  • Facility owners and users who are concerned with pipeline internal corrosion.

Successful completion of this corrosion course helps participants prepare for their NACE certification examinations at the Corrosion Technician, Corrosion Technologist and Senior Corrosion Technologist levels.


 Registration for This  Corrosion Course
  • Click here to register for this corrosion course online

  • Click here to download this corrosion course brochure in PDF format.

 In-House Training Corrosion Courses

If you are concerned with corrosion in your business, in-house training is a great solution to train a group of employees from design, production, operation, quality assurance, inspection and maintenance, and technical sales and support on corrosion control and corrosion prevention technology. The contents of all corrosion courses can be customized to fit your organization's needs.


There is no minimum or maximum number of participants required for in-house training corrosion courses. We conduct the in-house training corrosion course at your company's premises and at a time convenient to your company. Requests for in-house training corrosion courses from overseas countries are also welcome.


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 Corrosion Course-On-Demand

All our publicly scheduled corrosion short courses are conducted once a year. However, you do not need to wait for one year if you have missed any of the publicly scheduled corrosion courses as we have this unique corrosion course-on-demand scheme: we will conduct the course just for you on an one-on-one basis at a time and in a location convenient to you. This option costs significantly less than a full-scale in-house training program.


Click here to contact us for a quotation for taking this course as course-on-demand.


 Online and Distance Learning Corrosion Courses

All corrosion courses can be conducted through online or distance learning. An username and password will be emailed to course participants for accessing the online course materials. Alternatively, a CD-ROM containing the same online course material or a master hard copy of corrosion course notes can be sent to your organization. Instructions, course assignments, discussions and questions related to the corrosion courses are posted on the website. Free email support for online courses is provided for a period up to 12 months. A Certificate of Completion will be issued to participants who pass the online test with a score of 70% and above.

Click here to register this corrosion short course for online or distance learning.

 PowerPoint Slides and Test Banks for Trainers, Instructors, Tutors, University Lecturers and Professors

If you are involved in teaching corrosion courses, you may wish to purchase a complete set of PowerPoint slides and the computerized test banks (in MicroTest format) with solutions. These presentations are suitable for teaching corrosion courses at different levels (from undergraduate to postgraduate) and durations (from 6 hrs to 40 hrs). These ready-to-use corrosion PowerPoint slides contain high quality color photographs, illustrations, animations and video clips. They can also be easily edited and customized to your own styles. The corrosion test banks contain over 1,000 corrosion questions for your use in tutorials, tests or examinations. These questions are conveniently grouped into 4 categories in the test bank: (1) true or false, (2) multiple choice, (3) calculation, and (4) reasoning and open-ended discussions).


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Course Outline |Who Should Attend |Registration |In-House |On-Demand |Online Courses |PPT Slides+Testbank |Course List

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