MECH006 - Pipeline Hydraulics and Multiphase Flow

Programme Overview

Pipelines play a vital role in our economy. Out of sight and usually out of mind, they bring us, daily, the liquid heating and motor fuels on which we depend. They draw little public attention until they malfunction and release their contents into the environment. Pipeline operators have a duty to preserve public safety and the environment.

Responsible employees of a pipeline operator have a duty to thoroughly understand and rigorously adhere to principles of safe pipeline design and operation in order to keep the products flowing and to minimize the chances that any product will ever be released unintentionally into the environment.

Who should attend

This course is designed for surface facilities production engineer, surface facilities design engineer, operation engineer, pipeline designers, pipeline contractors, pipeline operators.

By the end of this training course, participants will:

  • Explain basic elements of pipeline design, construction and maintenance
  • Apply principles of safe pipeline design and operation
  • List factors influencing the energy requirement for transporting oil through pipelines
  • Explain methods for process optimization
  • Oil transportation and gathering systems
  • Use elementary nodal analysis
  • Apply practical chemical and mechanical options for transporting oils
  • Appreciate scaling issues
  • Explain physics of sand settling and engineering implications
  • Appropriate fluid mechanics and the physics of pipeline hydraulics
  • Use pressure loss calculation methods
  • List thermal methods
  • Apply methods suitable for multiphase flow calculations

Course Outline

Fundamentals of fluid mechanics friction losses in single-phase flow

  • Total energy of a fluid. Bernoulli law.
  • Real fluid flow: viscosity, friction coefficient.
  • Flow regimes: laminar and turbulent (eddy) flows. Reynolds number.
  • Calculation of friction loss through pipes: Moody chart, AFTP charts.
  • Calculation of friction loss through fittings: resistance coefficient & equivalent straight pipe length.
  • Case of compressible fluids (gas) – Main empirical equations.

Multi-phase flow in Oil & Gas production

  • Incentives and stakes.
  • Definition of multi-phase flow.
  • Main terminology.
  • Basic understanding of different modeling approaches.
  • Historical methods to study steady-state two-phase flow.
  • Example of multi-phase dynamic flow simulator.
  • Future with multi-phase flow modeling.

Flow assurance

  • Main flow assurance issues.
  • Flow stability: Flow pattern (horizontal and vertical) – Slugging.
  • Erosion constraints, Wax, Hydrates.
  • Heat transfer: main heat transfer phenomenon, OHTC, cold spot issue.
  • Fluid modeling.
  • Phase envelope, hydrate dissociation curve, emulsion, viscosity.

Well gas streams

  • Natural gas field development: “Dry” scheme versus “Wet” scheme
  • Main flow assurance issues (hydrates, TLC, surge liquid volume handling).
  • “Wet” scheme simulations.
  • Operating envelope.
  • Geometry impacts.
  • Example of slugcatcher design.

Crude oil field development:

  • Deep water constraints.
  • Typical field preservation.
  • Classical loops versus alternative development architectures.
  • Subsea processing.

Crude oil stream:

  • Severe slugging.
  • Hydrodynamic slug flow. Slug-catcher design.
  • Thermal constraints during production/transient (cool down).


To enhance learning effectiveness, hand on experience will be emphasised in this programme through role-plays in class presentation, group facilitation and class critique.

Case studies, group discussions and video support will also be used to enhance learning experience. Fun quizzes will be injected to provide formative assessment and a fun learning environment.

Location & Date

Tuition fees include

Classes, books and training materials.
Entry level test.
Free Internet access.
International certificate upon completion of the course.
Coffee breaks and a buffet lunch daily.
*Fees do not include charges for travel and accommodation costs



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