Reservoir Engineering

Reservoir Simulation

Oil & Gas Production Technology

Hydrodynamic modeling

What is reservoir simulation?

  • Why reservoir simulation?
  • Main objectives
  • Basic concepts and equations

Basic RE concepts and calculations

  • Hydrocarbon reservoirs and drive mechanisms
  • Reservoir rock properties
  • Reservoir fluids properties
  • Fractured reservoirs

Data analysis

  • Production and well data
  • Pressure data analysis
  • Rock data
  • Fluid data

Model building

  • Geological model review
  • Grid, faults and regions
  • Grid coarsening and Local grid refinement
  • PROPS section – rock and fluid properties
  • SOLUTION section - initialization
  • SCHEDULE section – history data
  • Well Model – lift tables
  • Dual porosity/dual permeability models

Model initialization

  • Equilibrium and enumeration
  • Initial saturation distribution – geological reserves match
  • Model stability

History match

  • Macro parameters – reservoir level
  • Local parameters – well level
  • Examples, problems and solutions

Production forecast

  • Depletion
  • Water injection modelling and efficiency analysis
  • Gas lift and Gas injection (immiscible)

Conclusions

  • Course closure and discussion