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E-387 - Gas Fields: Reservoir Engineering

5 jours GIS/GASRES
  • Geoscientists and petroleum engineers with already a few years experience
  • To give the participants practical and theoretical knowledge of the gas reservoir behavior: what are the gas PVT properties, and how the gas flows in the reservoir
  • The tight gas reservoir is a potential for the future and well productivity is the key point to produce such reservoirs
  • To calculate the IGIP by volumetric and material balance
Les + pédagogiques
  • The course will be illustrated by numerous practical examples and field case. A methodology for gas fields development is given

Properties of natural gases 1 jour
  • Change of state: single and multi components systems
  • Classification of petroleum Hydrocarbon system
  • Gas PVT behavior - Gas Deviation Factor - Gas density and Formation volume factor - Gas viscosity
  • Darcy law for gas
  • Klinkenberg effect
  • Real gas potential (pseudo pressure)
Well performance 1 jour
  • Basic equation, skin and non Darcy flow
  • Transient flow - Pressure transient testing - Deliverability testing
Reservoir performance 1 jour
  • Drive mechanism
  • Determination of IGIP by volumetrics
  • Material balance
Tight gas reservoir 0.5 jour
  • Reserves, importance, well productivity, fracturation
Gas fields 1.5 jours
  • Dry gas and gas condensate fields development
  • Concept and exercises - Field case