Introduction to Subsea Pipeline Engineering
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Full bundle includes about 750 minutes recorded video courses with design examples
- Introduction
- Pipeline Route Selection
- Flow Assurance and Hydraulic Sizing
- Pressure Containment and Wall Thickness
- Local Buckling and System Collapse
- On-Bottom Stability
- Free Spans
- Material Selection and Pipe Fabrication
- Thermal Expansion
- OPEX / CAPEX and Sizing
- Lateral and Upheaval Buckling
- Pipeline Geotechnics
1.Introduction
- Outline and outcome
- A brief history of subsea pipeline
- Comparative economic of transportation methods
- Subsea pipeline applications
- Subsea pipeline content
- Key features
- Rigid pipelines
- Pipeline bundles
- Flexible risers
- Subsea line pipe common features
- Design sequence
- Conceptual studies
- Basic design
- Detailed design
- Installation engineering
- Common pipeline analyses
- Pipelaying methods
- Common vessels involved in the installation
- Applications
- Engineering and design
- Installation4
2.Pipeline Route Selection
- Outline and outcome
- Basic concepts
- Route overriding factors
- Water depth
- Environmental loads
- Seabed condition
- Prohibited zones
- Political impacts
- Crossing other facilities and operations
- Unique environments
- Shore crossing characteristics
- Installation constraints
- Route survey planning
- Routine date requirements
- Route optimization
- Route selection
3.Flow Assurance and Hydraulic Sizing
- Outline and outcome
- Flow assurance overview
- Phase envelope
- Fluid physical types
- Operational problems
- Flow assurance methodologies
- Heat transfer
- Hydraulic design objectives
- Pipeline sizing
- Key parameters
- Key criteria
- Pressure loss
- Pressure loss correlation
- Instance friction factors
- Ideal and real gases
- Pumping power and surge pressure
- Single-phase and multiphase flows
- Flow assurance
- Hydraulic design Examples
4.Pressure Containment and Wall-Thickness Calculation
- Outline and outcome
- Different load types
- Internal pressure
- Hoop stress
- Thin-walled pipes (Polar coordinate)
- Thin-walled pipes (Cartesian Coordinate)
- Thin-walled pipes (Design Practice)
- Thin-walled pipes
- Wall thickness-Design code requirements
- Design philosophies
- Working stress design
- Limit state design
- Ultimate limit state
- Serviceability limit state
- Fatigue limit state
- Accidental limit state
- Hoop stress and wall thickness calculation
- Pressure containment and wall thickness
- Design approaches
- Wall-thickness calculation examples
5.Local Buckling and System Collapse
- Outline and outcome
- Local buckling
- Local buckling scenarios
- Elastic collapse due to external pressure
- Basic theory
- Practical considerations
- System collapse-External overpressure only
- Propagation buckling-External overpressure only
- Propagation prevention strategies
- Propagation studies
- Buckle arrestor design
- Local buckling-Combined loading criteria
- Design load effects
- Load controlled – Internal overpressure
- Load controlled – External overpressure
- Displacement controlled – Internal overpressure
- Displacement controlled – External overpressure
- Design examples
- Theory and practice
6.On-Bottom Stability
- Outline and outcome
- Stability fundamentals
- Instability consequences
- Prevention techniques
- Loading and resistance
- Basic theoretical stability design
- Morison’s equation
- Practical considerations
- Dynamic stability analysis
- Target failure probability
- Load combinations
- Current conditions
- Short term wave conditions
- Wave directionality and spreading
- Hydrodynamic load reduction due to permeable seabed
- Hydrodynamic load reduction due to pipe penetration into the seabed
- Hydrodynamic load reduction due to trenching
- Passive soil resistance
- Soil piping
- Design criteria
- Safety factors
- Stability fundamentals
- Design Examples
7.Free Spans
- Outline and outcome
- Free span and potential sources
- Prediction of spanning
- Free span failure modes
- Free span design load cases
- Free span analysis, software, output
- Route preparation
- Self burial, scour
- Basic theoretical concept
- Flow around a cylinder
- Overview of engineering guideline
- Review of a Design Code
- Design Examples
8.Material Selection and Pipe Fabrication
- Material selection philosophy
- Material selection in project
- Important material types
- Design codes and standards
- Manufacturing methods
- Line pipe properties
- Pipeline fittings
- Low temperature services
- Sour services
- Corrosion resistance
- Pipeline welding
9.Thermal Expansion
- Thermal expansion
- Longitudinal strain
- Full axial restraint boundary condition
- Free end restraint boundary condition
- Partial axial restraint boundary condition
- Thermal expansion loops
- Design Examples
10.OPEX/CAPEX and Sizing
- Review of a full sizing example with balancing the OPEX and CAPEX
- This sub-topic is built upon earlier sub-topics
- Comprehensive Design Example
11.Lateral and Upheaval Buckling
- Global buckling
- Column buckling
- Driving force
- Design conditions
- General design approach
- Upheaval buckling
- Classical approach
- Finite element analysis
- Engineering consideration
- Mitigation Schemes
- Lateral buckling
- Initiation strategy
- Classical approach
- Cyclic operation
- Mitigation Schemes
- Design Examples
12.Pipeline Geotechnics
- Overview
- Geotechnical parameters
- Pipeline embedment
- Soil loading during installation
- Pipe penetration analysis
- Pipe penetration under cyclic loads
- Lateral resistance of partially embedded pipe
- Axial resistance of partially embedded pipe
- Pipeline trenching
- Popular trenching techniques
- Engineering challenges
- Ploughing
- Properties of trench backfills
- Natural infill
- Mechanical backfill
- Backfill by jetting
- Axial and transverse response of buried pipelines
- Thermal properties of soil
- Measuring Thermal Conductivity
- Empirical Methods for Determining Conductivity
- Selection of Thermal Conductivity
- Physical modeling of pipe-soil interaction
- Numerical modeling of pipe-soil interaction
- Structural pipe-soil interaction FEA
- Continuum pipe-soil interaction FEA