Design Of Subsea Pipelines And Risers

Course Overview

This course aims to provide an overview of the current deepwater oil and gas developments around the world and the technical challenges in terms of subsea pipelines and riser design.

Module Highlight

Overview Of Marine Risers

  • Marine Riser System
  • Current Design Trends
  • Platform Types
  • Deepwater Challenges
  • Flexible Pipe Structure and Material
  • Typical Configurations
  • Top-Tensioned Vertical Risers
  • Hybrid Riser
  • Flowlines & Pipelines
  • Tie-in Spools & Jumpers
  • Design Codes
  • Safety Consideration

Flow Assurance

  • Multiphase Flow
  • Deposition of Solids
  • Thermal Management
  • Corrosion

Material Selection

  • Wall Thickness Design
  • Safety classification
  • Limit States Design
  • Burst Criterion
  • External Collapse Criterion
  • Hydrogen Induced Stress Cracking (HISC)

Local Buckling For Stress/Strain Based Design

  • Load Controlled Condition
  • Displacement Controlled Condition
  • Axial Strain Checks
  • Strain Limits and ECA
  • Hydrogen Induced Stress Cracking
  • Alternative Design Codes
  • Expansion, Tie-in Spools, and Flanges
  • On-bottom stability
  • Pipeline Spanning & VIV Assessment

Pipeline Installation Methods

  • S-Lay
  • J-Lay
  • Reel Lay
  • Towing
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