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Subsea Engineering and training experts
ENGINEERING
TALENT

Since 1988

Jee Star Logo 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. This course will give learners the opportunity to practise 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 learners the confidence to independently assess and verify calculations, the tutor will guide them through a variety of worked examples and exercises, explaining how they are applied to real life scenarios.

 

Learning outcomes

  • Explain the key design aspects for pipeline installation by S-lay, J-lay and reel-lay
  • Calculate the forces and necessary winch capacities for landfall pulls and methods of reducing those loads
  • Explain how the stability of an installation vessel is determined and how the positioning of equipment on-deck and the use of cranes affect that stability
  • Determine the effects of vessel motions on installation loads and calculate the resultant dynamic amplifications during installation
  • Design rigging and sea-fastenings for the transportation and installation of subsea equipment
  • Identify the principles of holding capacity of soils, for simple pile and anchor design

View course contents
Specialisation
timer icon Duration 4 Days
clock Study Hours 28

Upcoming dates

calender Aberdeen
15 September 2020 - 18 September 2020
£2600

About the Tutors

Mike Hawkins
BTech (Hons) CEng FIMechE

Mike has over 30 years’ experience in the oil and gas industry and is Jee’s Technical Director. He has particular expertise in design, pipeline buckling, third party verification, freespan and FE analysis and fatigue assessment. 

Mike teaches the Construction of subsea pipelines and Installation calculations of subsea pipelines course.

About the Tutors

Alan Knowles
Eur Ing MICE AMICE

Alan has over 30 years’ experience in industry and has particular expertise in the installation and design of onshore and offshore pipelines, flowlines and landfalls and is an expert in finite element analysis.

He teaches the Design and Further design of subsea pipelines, Construction and Installation calculations for subsea pipelines and Reeling calculations.

 

Jee Star Logo Installation calculations for subsea pipelines - course contents

Day 1

Catenaries

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

 

Bending stresses

  • Bending during S-lay
  • Worked example
  • Break-over length
  • Concrete-coated pipe
  • Horizontal lay radii

 

Reeling

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

Day 2

Sagbend buckling

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

 

Landfall

  • Landfall setup
  • Worked example
  • Alternative setups

 

Barge stability

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

Day 3

Dynamics

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

 

Lifting

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

 

Rigging design and analysis

  • Rigging equipment
  • Rigging analysis
  • Worked example

Day 4

Lugs, deck layouts and sea fastenings

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

 

Anchors and piles

  • Anchors
  • Piles
  • Sheet pile anchorage
  • Worked example

  Well organised, well taught and clear  

Enrajda Caralli , Saipem


  A useful insight into calculations involved in offshore construction engineering  

Marin Duplancic Vessel Field Engineer, Saipem


  The course surpassed my expectations - the contents of the course were covered in detail and delivered in an engaging manner. The course materials were excellent and will be a very useful source of reference in the future  

Adam Grady , Murphy Group

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