Drive Mechanisms & EOR


Who should attend?

  • This course provides an in-depth understanding of reservoir drive mechanisms and Enhanced Oil Recovery (EOR) methods and corresponding recovery performances.
Public :
  • Newly-hired and 2- to 3-year experienced reservoir engineers willing to deepen their knowledge in drive mechanisms and Enhanced Oil Recovery methods; geoscientists, petroleum engineers and production engineers moving towards reservoir engineering.

Level :Awareness

Prerequisite :
  • No pre-requisistes are necessary to follow this course.

Course Content


      • Oil reservoirs:
      • Undersaturated oil expansion.
      • Solution gas drive.
      • Gas gap drive.
      • Natural water drive.
      • Introduction to analytical aquifer models.
      • Steady-state models - Small Pot model.
      • Transient models - Hurst & Van Everdingen model and Carter-Tracy model.
      • Gas reservoirs with and without aquifer.
      • Material Balance:
      • Principles and equations.
      • Generalized Material Balance.
      • Drive Index.
      • Campbell and Cole plots.
      • Application: estimating recovery factors from material balance, checking aquifer and gas cap size, checking accumulation estimate…

      • Reminders about multiphase flow in the reservoir: wettability, capillarity, relative permeability.
      • Water and non-miscible gas injection:
      • Principles.
      • Sources of fluid, well injectivity, injectors pattern.
      • Expected performance of water and gas injection.
      • Sweep efficiency:
      • Microscopic efficiency & influence of Capillary Number.
      • Areal efficiency and influence of Mobility Ratio.
      • Vertical efficiency and influence of permeability vertical heterogeneity.

      • Principles and mechanisms of main EOR methods:
      • Chemical flooding.
      • Miscible gas injection.
      • Thermal flooding.
      • EOR projects:
      • Screening criteria & economics.
      • Application - Field cases review.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • discuss the natural mechanisms of production of oil and gas reservoirs and their corresponding expected performance,
  • discuss the mechanisms of secondary recovery through water injection and non-miscible gas injection and their related expected performance,
  • list the main Enhanced Oil Recovery methods and discuss their mechanisms and corresponding expected performance,
  • describe typical EOR projects workflow and related screening criteria

Ways & Means

  • Interactive lectures and exercises.
To French entities : IFP Training is referenced to DataDock ; you may contact your OPCO about potential funding.
Please contact our disabled persons referent to check the accessibility of this training program :