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Subsea Pipeline Engineering
Knowledge Transfer›Pipeline Engineering & Integrity
Pipeline Engineering & Integrity·Certification Pathway

Subsea Pipeline Engineering

3 days subsea pipeline eng. course covering DNV OS-F101 design, wall thickness, local & global buckling, stability, free-span and VIV assessment, installation methods, and pipeline integrity for deepwater and offshore pipeline systems.

Duration3 days
DeliveryOnline / Virtual
LocationTES Canada facility · Client facility delivery available
LevelEngineering
Certifying BodyTES Canada
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Course Overview

This course provides a practical engineering foundation in subsea pipeline design, installation, and integrity. It is structured around the DNV OS-F101 Submarine Pipeline Systems standard, covering the full scope of subsea pipeline engineering from route selection and material selection through wall thickness design, local and global buckling, on-bottom stability, free-span assessment, VIV, and installation methods. An integrity management overview covers internal corrosion, external corrosion control, and in-line inspection for subsea systems. The course is designed for pipeline engineers, structural engineers, and project personnel working on offshore pipeline and flowline projects.

Who Should Attend

Pipeline and structural engineers entering or developing competency in subsea pipeline engineering
Integrity engineers requiring technical understanding of subsea pipeline design and assessment
Project engineers and engineers working on offshore oil and gas pipeline projects
Marine and offshore engineering personnel requiring pipeline technical competency
Prerequisites

Engineering degree in mechanical, civil, structural, or related discipline. Some understanding of offshore or pipeline engineering is beneficial. Onshore Pipeline Engineering course or equivalent experience is recommended but not required.

Learning Outcomes

  • Explain subsea pipeline system components and their function in offshore oil and gas production
  • Apply the DNV OS-F101 design framework for material selection and wall thickness design
  • Understand local and global buckling limit states and their design implications
  • Apply on-bottom stability design principles using DNV RP-F109
  • Conduct basic free-span and VIV screening using DNV RP-F105
  • Explain subsea pipeline installation methods — S-Lay, J-Lay, and Reel Lay — and their design implications
  • Describe subsea pipeline pre-commissioning requirements
  • Understand subsea pipeline integrity threats and integrity management framework

Course Outline

Module 01

Subsea Field Components and System Overview

Subsea pipeline and flowline system components
Risers, spools, jumpers, and flexible pipes
Subsea manifolds, PLET, and PLEM structures
Industry standards overview — DNV OS-F101, ISO 13623
Project phases — FEED, detailed design, installation, pre-commissioning
Module 02

Route Selection and Environmental Data

Seabed survey and geotechnical investigation requirements
Environmental hazards — seabed instability, sediment transport, ice
Hydrodynamic data — current, wave, and metocean requirements
Obstacle avoidance and route optimisation
Environmental and regulatory permitting overview
Module 03

Materials and Wall Thickness Design

Material selection — grade, toughness, and sour service requirements
Wall thickness design — burst, collapse, and propagation buckling
DNV OS-F101 load effect and capacity format
Corrosion allowance and internal coating for subsea service
Anode design for cathodic protection
Module 04

Local and Global Buckling

Load-controlled vs displacement-controlled conditions
Local buckling — combined pressure, bending, and axial load
DNV OS-F101 local buckling criteria — installation and operation
Upheaval buckling — mechanisms and driving force
Lateral buckling — virtual anchor spacing and expansion management
HOTPIPE and analytical methods for global buckling assessment
Module 05

On-Bottom Stability

Hydrodynamic force models — Morison equation approach
DNV RP-F109 generalised lateral stability method
Weight coating design — concrete weight coating thickness
Trenching and rock dumping — criteria and applications
Pipeline walking — axial instability in deepwater flowlines
Module 06

Free Spans and VIV Assessment

Free span definition and identification from survey data
Free span assessment — ULS and fatigue screening
DNV RP-F105 — VIV-induced fatigue framework
Strouhal number, reduced velocity, and onset of VIV
Intervention criteria — grouting, rock dump, and span supports
Module 07

Pipeline Installation Methods

S-Lay — principle, vessel types, and application
J-Lay — deepwater advantages and limitations
Reel Lay — process, reel capacity, and reeling effects
Installation load cases — combined bending, tension, and pressure
Over-bend, sag-bend, and touchdown point design
Abandonment and recovery procedures
Module 08

Pre-Commissioning and Integrity Overview

Flooding, pigging, and gauging procedures
Subsea hydrotesting — design pressure and test pressure requirements
Drying and preservation for gas service
Internal corrosion and flow assurance for subsea systems
External corrosion control — CP and coating performance
In-line inspection options for subsea pipelines

Topics Covered

Subsea PipelineDNV OS-F101Offshore PipelineBucklingOn-Bottom StabilityVIVFree SpanReel LayJ-LayS-Lay
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