On-bottom stability - Oil and Gas

Virtual classroom

Available dates:
No dates currently planned - speak to our Training team


Specialisation course


About the course

Referring to a range of worked examples, this course will give learners an appreciation of the integrity issues associated with pipeline instability and the need to design pipelines to avoid these issues. A beneficial course for subsea and pipeline engineers involved in design, integrity management and operations, learners will gain knowledge of how to design, operate and remediate pipelines to manage instability issues.

The tutor will explain primary methods of stability assessment, including the traditional force balance approach and the more detailed DNVGL-RP-F109 methods, along with worked examples and delegate exercises for each. The course will subsequently provide guidance on methods of pipeline inspection to identify areas at risk of instability and rectification options should stability calculations indicate issues for a new or existing pipeline.

At a glance

Available dates

No dates currently planned - speak to our Training team


2 days (14 study hours)


Virtual classroom




£1,500 plus VAT

Early Bird

Book up to six weeks in advance of the start date of your chosen course to take advantage of the Early Bird discount


Learning outcomes

  • Explain the physics behind instability
  • Identify unstable sections of a pipeline and the problems arising from it
  • Assess stability of pipelines according to DNVGL-RP-F109
  • Explain how instability occurs and the methods available for stability analysis
  • Identify the remedial methods available to deal with instability of pipelines

Course structure

Day by day content

Day one

Fundamentals of pipeline stability

  • Causes of instability
  • Wave and current forces
  • Soil resistance
  • Soil liquefaction


Stability assessment

  • Analysis methods
  • Data requirements
  • Force balance approach
  • DNVGL-RP-F109 approach
  • Finite element analysis

Day two

Stabilisation options

  • Trenching
  • Weight coatings
  • Anchors
  • Burial
  • Mattresses
  • Rock dump


Case study

  • Background facts
  • Route cause failure analysis
  • Remediation


On-bottom stability in practice

  • Worked examples
  • Force balance approach
  • DNVGL-RP-F109 absolute method
  • DNVGL-RP-F109 generalised method

What past delegates have said

Great course delivered by a highly experienced industry professional = improved understanding

Sameer Ashok Chapgaon, Lloyd's Register

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On-bottom stability - Oil and Gas

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The instructor is very knowledgeable and speaks very clear making him very easy to understand  

- Tengku Dhalan, Facility Engineer, Chevron

Jee course work is on point, refreshing and well packaged  

- Kolawole Owolabi, Project Engineer, Chevron Nigeria

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