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Jee Star Logo Installation calculations for subsea pipelines

Installation calculations for subsea pipelines

About the course

Anyone involved in the installation analysis of rigid pipelines and modules will benefit from this course’s detailed explanation of installation calculations. Covering all stages of a pipeline’s lifecycle, from pipe-lay to abandonment and recovery, this course will give you the opportunity to practice hand calculations with tutor support.

Assessing a selection of wire sizing for pull-in of pipelines and lowering of modules, this hands-on experience is the perfect platform to boost understanding of industry standards and codes. Giving you the confidence to independently assess and verify calculations, the tutor will guide you through a variety of worked examples and exercises, explaining how they are applied to real life scenarios.

Learning outcomes

  • Perform installation calculations using worked examples
  • Apply industry standards and codes to pipeline installation projects
  • Assess and verify calculations used in pipeline installation projects
  • Employ the principles of holding capacity of soils, simple pile and anchor design
  • Incorporate the American Institute of Steel Construction (AISC) methodology into your calculations

View course contents



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course bar chart Level Advanced
timer icon Duration 4 Days
clock Study Hours 28
Also available in house

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Jee Star Logo Installation calculations for subsea pipelines - course contents

Day 1

Catenaries

  • Catenary curves
  • Pipe lay catenary equations
  • Pipe stresses
  • Worked example
  • Exercise
  • Control by tension

Bending

  • Bending during S-lay
  • Worked example
  • Exercise
  • Break-over lengths
  • Concrete-coated pipe
  • Horizontal lay curve radii

Reeling

  • Reeling operations
  • Strain concentration
  • Material qualification
  • Ovalisation and buckling
  • Worked example
  • Exercise

Day 2

Sagbend buckling

  • Local buckling criteria
  • Prediction of buckling in catenary
  • Worked example
  • Exercise
  • Buckle propagation

Barge stability

  • Stable floating bodies
  • Determining vessel stability
  • Free liquid surfaces and suspended loads
  • Modular craft and local barges
  • Worked example
  • Exercise
  • Background information

Dynamics

  • Vessel motions
  • Dynamics during pipe-lay
  • Code criteria
  • Software
  • Worked example
  • Exercise
  • Output analysis
  • Fatigue assessment

Day 3

Lifting

  • Static and dynamic loads
  • Lifting in air
  • General wave parameters
  • Lifting through wave zone
  • Lowering through water column
  • Lowering onto seabed
  • Worked example
  • Exercise

Rigging design and analysis

  • Rigging equipment
  • Rigging analysis
  • Worked example
  • Exercise

Lugs, deck layouts and sea fastenings

  • Lugs and stiffeners
  • Worked example
  • Exercise
  • Foundations and deck fittings
  • Deck layouts and sea fasteners

Day 4

Pipe pull forces

  • Landfall setup
  • Worked example
  • Exercise
  • Alternative pull set ups
  • Background information

Anchors and piles

  • Anchors
  • Exercise
  • Piles
  • Sheet pile anchorage
  • Worked example
  • Exercise

Abandonment and recovery

  • A&R overview
  • A&R equipment
  • Case study
  • A&R analysis
  • Exercise
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