Enhanced Oil Recovery (EOR) Syllabus

Each module can be taken separately or combined together to suit your requirements.

PVT for Compositional Simulation
EOR1 (2 days)

Introduce the general classification of hydrocarbon fluids and their constituent components

• Oils, volatile oils, retrograde condensate, wet gas, dry gas
• Pure components
• Mixtures of pure components
• Fluid phase vs pressure and temperature
• Phase envelopes
• Subsurface depletion process

Describe the various PVT experiments and how their results are used to build black oil tables for simulation models

• What is in a PVT experiment report and the key pages to look out for
  
• QA/QC of composition profiles
  
• Constant composition experiment
  
• Differential liberation experiment
  
• Constant volume depletion experiment
  
• Separator tests
  
• Viscosity measurement
  
• Black oil tables
  
• Black oil correlation models
  

Discuss the equation of state (EOS) models, their evolution and regression variables

• Compressibility equation
  
• The first EOS models
  
• Recent EOS model developments
  
• Variables in an EOS model
  
• Regression workflow
  

Explain sample decontamination workflows
Describe the necessity of component lumping and lumping rules of thumb
Applications of EOS models

• Optimum separator conditions
  
• Gas plant product determination
  
• Compositional grading
  

Gas Injection EOR Processes
EOR2 (2 days)

Introduce the concept of miscibility and explain how it increases oil recovery factor

• Minimum Miscibility Pressure (MMP)
• Ternary diagram
• Multi Contact Miscibility (MCM)
• Slim Tube Experiments
• Swelling Tests
• Multiple Contact Experiments

Explain the mechanism for interfacial tension reduction between the vapour and liquid phases during a miscible flood

• Relative permeability models
• Capillary pressure models
• Modelling reduced interfacial tension in a reservoir simulator

Discuss gas injection EOR development concepts and what data/studies are required to deliver a development plan

• Data requirements and availability challenges
• Sweep efficiency
• Mobility ratio and fractional flow
• Gravity number
• Capillary number
• Miscible flood
• Carbon dioxide as an injection gas
• Relative permeability hysteresis
• Three phase relative permeability models
• Water alternating gas

Simulate gas injection processes in reservoir simulator, then view and interpret the reservoir simulation model results

• Immiscible vs miscible displacement
• Core flood history matching
• Calibration of PVT EOS model

Training requirements
The training includes the cost of the required commercial software licences for the duration of the training. The provision of a personal computer running at minimum Windows 7/x64, with minimum 8 GB RAM and Intel i5/i7 processor (or equivalent) are not included.