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2-Nodal Analysis – Well Outflow

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Product description

Well production mechanisms are one of the most important things to understand when working at optimizing your wells. Whatever if your well is in natural flow or if it uses artificial lift, mastering the concepts of inflow and outflow will allow you to understand any well behavior and optimize it.

This course focuses on the outflow mechanism. You will be guided to many key concepts like VLP curves, pressure losses, flow regimes, multiphase flow pressure correlations, nodal analysis…
Well performance, reservoir and petroleum engineering will be all linked. You will be shown how PVT parameters impact the production of your well.
Gas production will also be discussed through the concepts of critical velocity and liquid loading.
By following this course you will learn how to increase the production of your oil and gas wells.

Objectives:
This course connects reservoir engineering to well performance and petroleum engineering. Participants will acquire a good understanding of well outlfow mechanism.
Taken together with the Inflow Mechanism, it will teach what a senior petroleum engineer should know about nodal analysis and well production.

Curriculum:

  • Fluid path from bottom to surface
  • Hydrostatic pressure and pressure losses
  • Vertical flow pressure curves and sensitivities to GLR & WHP variations
  • Vertical lift performance (VLP) curve
  • Hold up and slip velocity
  • Horizontal & vertical flow regimes
  • Flow pattern maps
  • Impact of PVT on the outflow in oil wells (viscosity, bubble point and solution GOR)
  • Gas well:
    • Impact of PVT on the outflow (dew point and CGR)
    • Liquid loading and how to avoid it
    • Turner’s critical velocity
    • Gas well deliquification
  • Multiphase flow pressure correlation
    • Main correlations available and main features
    • How to select the best correlation using a nodal analysis software (Prosper)
  • Effect of emulsion on viscosity
  • Why you need artificial lift
  • How to increase production
  • Exercises: Impact of 6 different parameters variation on inflow and outflow

 Designed for:

  • Production, Petroleum or Well Performance Engineers to maximize their well production
  • Reservoir engineers to link reservoir engineering with well production
  • Field Production Personnel to understand the criticality of data
  • Completion or Surface Facilities Engineers to understand what they can do to help maximizing well production

Pre-requisites:

  • Basic knowledge on well architecture
  • Awareness on the oilfield terms
  • Understanding of the inflow mechanism

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