Subsea Pipelines

SUB/PIPEGB

Who should attend?

  • This course provides an in-depth technical knowledge of Oil & Gas subsea pipelines.
Audience :
  • Engineers and technicians involved in the design, construction or operation of Oil & Gas subsea pipelines and risers.

Level : Proficiency

Course Content

  • PIPELINE OPERATION: INTRODUCTION & MAIN CONSTRAINTS

      • Definitions. Architecture of Oil & Gas production facilities.
      • Pipeline concepts.
      • Riser concepts.
      • Fabrication of carbon steel line pipe.
      • Constraints associated to subsea environment.
      • Flow regimes and instabilities.
      • Maintaining the flow in pipelines: management of deposits.
      • Preservation during shutdown, restart.
      • Production monitoring and control from surface.
      • Impact of operational constraints on architecture and design.
  • DESIGN OF RIGID PIPELINES & RISERS

      • Overview of pipeline design phases.
      • Survey techniques and route selection.
      • Thermal performance design.
      • Mechanical design.
      • Internal & external corrosion.
      • Materials.
      • Stability.
      • Spans.
      • Expansion and buckling.
      • Risers design specificities.
      • Limit state design.
  • FLEXIBLE PIPELINES DESIGN

      • Specificities of flexible pipeline design.
  • OFFSHORE PIPELINE CONSTRUCTION

      • Pipe lay methods (S, J, reel, tow).
      • Initiation/abandonment, installation of in-line structures.
      • Pipe lay vessels & equipment.
      • Welding and NDT.
      • Comparison of installation methods.
  • SHORE APPROACH CONSTRUCTION

      • Shore approach construction and horizontal drilling.
  • TRENCHING & PROTECTION

      • Requirements for pipeline protection.
      • Soil classification.
      • Overview of protection methods.
  • SUBSEA TIE-IN METHODS

      • Conventional tie-ins including hyperbaric welding.
      • Deep water tie-ins.
      • Thermal insulation of tie-ins.
  • PRECOMMISSIONING & PIGGING

      • Introduction to pipeline pigging.
      • Pipeline precommissioning.
      • Operational pigging.
      • Intelligent pigging.
  • PIPELINE INTEGRITY

      • Pipeline failures.
      • Management of integrity.
      • Inspection and maintenance.
      • Assessment of pipelines with defects. Requalification.
      • Repair.
  • WORKSHOP

      • Worked example covering the main topics of the training.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • understand the fundamental concepts for designing subsea pipelines,
  • comprehend the construction methods and laying techniques, including subsea tie-in and shore approach,
  • manage pipeline integrity, inspection and repairs.

Ways & Means

  • Lectures carry numerous examples from ongoing projects.
  • Trainers are specialized engineers, currently involved in deep-offshore projects.