Most important improvements in the 6.1 release:

Highlights for the 6.1 simulation engine:

• New functionality
    • Simulation of steam systems
    • Single component simulation (CO2 and H20)
    • Parallel execution (multiple CPUs)
    • Couple MEG-dependent hydrate check with MEG concentration predicted by Compositional Tracking
  
  
• Included functionality from OLGA 5
    • Tuning
    • Drilling fluid

Highlights for the OLGA 6 GUI:

• Wells GUI
• Improved dialog for adding fluid files
• Plot templates
• Changes in filtering of ‘Select Variables’ dialog
• Handle left/right side Y-axes
• Add note with arrow

Key Features in OLGA 6

• General improvements
    • Version independent restart file
    • Mass flow boundary
    • Network separator
    • Near wellbore model
  
  
• Physical Models
  • Three momentum equations 
  • Including level gradient in steady state preprocessor 
  • Semi-implicit pressure-temperature coupling
  • Second order numerical scheme
  
  
• Framework
  • Generic tracking
  - Compatibility between models
  - Prepared for easy inclusion of new tracking models