Intro to Marine Pipelines

Question 1

What sort of substances are transported by pipelines?

Answer 1

• Ammonia
• Water
• Gas
• Oil

Question 2

What are some of the key physical parameters of a marine pipeline?

Answer 2

• Geometry
• Material
• Environment
• Internal fluid
• Connection between pipes

Question 3

How do you overcome some of the design challenges?

Answer 3

• Detailed survey and characterisation of the metocean
• Modelling and evaluation of pipeline loading under seismic conditions using techniques such as FEA
• A new PLES design to reduce rotation
• High resolution surveys of the pipeline route to avoid freespans

Question 4

What are some of the key design issues of a marine pipeline?

Answer 4

• Temperature (internal and external)
• Pressure (internal and external)
• Strength
• Routing
• Corrosion
• Hydraulics
• Flow assurance
• Installation
• Political and environmental constraints