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E-509 - Pipeline Hydraulics & Multiphase Flow

  • Engineers involved in designing, constructing or operating Oil & Gas production facilities.
  • This course provides a practical understanding of pipeline hydraulics, flow simulation and pipe friction loss calculations.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • assess friction losses in a pipeline and fittings for a single-phase flow,
  • understand multiphase flow patterns and main perturbing factors,
  • grasp multiphase flow hydrodynamics for wet gas streams and crude oil streams,
  • understand operational constraints of single and multi-phase flow lines,
  • deal with pipeline flow assurance issues,
  • simulate a pipeline using the software program OLGA™.
  • No prerequisites for this course.
Ways and means
  • Highly interactive training by industry-specialist lecturers.
  • Several applications and illustrations.
  • Use of simulation software programs OLGA™ and Multiflash™.

Fundamentals of fluid mechanics friction losses in single-phase flow 1.5 days
  • 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 (Lefevre).
  • Calculation of friction loss through fittings:
  • Method 1: resistance coefficient.
  • Method 2: equivalent straight pipe length.
  • Case of compressible fluids (gas) - Main empirical equations.
  • Several exercises.
Multi-phase flow in Oil & Gas production 0.5 day
  • 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 OLGA™.
  • Future with multi-phase flow modeling.
Flow assurance 1 day
  • 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 (example with Multiflash™).
  • Phase envelope, hydrate dissociation curve, emulsion, viscosity.
Well gas streams 1 day
  • 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 streams 1 day
  • 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).