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Oil & Gas Training
and Competency Development
Competency Management system SLB NEXT

Pipeline and Gathering System: Theory and Applications

This course covers the configuration of manifold and gathering network, as a starter of the surface facilities. Based on this, pressure drops, fluid pattern and the network arrangement are discussed in detail. At the end of the gathering network simulator (Pipesim) is used to obtain the best operating and designing conditions for the system

Day 1
  • Pre-Assessment
  • Oil and gas production system (wellhead-gathering-phase separation)
  • Production pressure profile (reservoir-tubing-flowline-production separator)
  • Basic concepts of fluid flow.
  • Single phase flow equations and correlations for       pressure drop calculations
    • Liquid
    • Gas
    • Exercises
  • Multiphase flow fundamentals.
    • Two phase (gas-liquid)
    • Flow pattern
    • Correlations for pressure drop calculations in horizontal pipelines
    • Troubleshooting effect of flow pattern on corrosion rate
  • Exercises 
Day 2
  • Gathering Systems
  • Pipeline fundamentals (Outside Diameter, Inside Diameter, Thickness, Schedule, material, pipe properties tables)
  • Onshore and offshore production manifolds
  • Gathering System Types (Axial, Radial, Well-Center, Trunk-Line, Pipelines Configurations (Series, Parallel, Looped, Loopless)
  • Gathering and Distribution Systems Examples
    • Oil and gas collecting systems
    • Gas Lift Distribution System
    • Gas Transmission System
    • Water Injection System
Day 3
  • Gathering and Distribution Systems Design Criteria’s
  • Design Practices for oil and gas gathering systems
  • Backpressure, pressure drop and Erosion velocities criteria
  • Manifold Location Studies (Interferences and minimum Pipeline cost)
  • Erosion velocities calculations
  • Manifold Location Exercise (Optimum Location Study based on cost)
Day 4
  • Simple Flow in pipeline using Pipesim
    • Build physical model
    • Create fluid model
    • Choose flow correlations
    • Run task
    • Results
    • Compare Pipesim results with one obtained by hand calculations
    • Evaluate different scenarios with sensitivity analysis
    • Single-phase gas pipeline
      • Model Single-phase gas pipeline
      • Calculate gas flow pipeline capacity
  • Multiphase flow calculation using Pipesim
    • Model a multiphase pipeline
    • Creating a fluid model
    • Choosing flow correlations
    • Analyze results
  • Size tieback and risers using Pipesim
  • Looped Gas gathering network
    • Build a network model
    • Specify network boundary conditions
    • Solve network and establish the deliverability
    • Identify network branched for erosion limit
Day 5
  • Simple network model on the GIS map
    • Build a network
    • Add GIS map to the model
    • Draw pipeline following terrain feature
    • Collect and display elevation data for pipeline using GIS maps
  • Building Pipesim models exercises
    • Objects definition (Wells, flowlines, manifolds, pumps, heaters, separators, trunk lines, etc.).
    • Fluid data (black oil model or compositional)
    • Flow correlations for single phase or two phases
    • Flowlines details (Length, ID, heat transfer data, profile data)
    • Boundary conditions
    • Workshop Pipelines and Gathering Simulations
    • Crude-gas pipeline simulation
    • Oil gathering system simulation
    • Adding wells to existing gathering systems and its impact in the backpressure and total production
  • Post Assessment
Learning activity mix

Surface Facilities Engineers, Production Operation Engineers

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