UPDATES AND BUG FIXES
GENERAL
- PVTsim NOVA 2 VERSIONS
- 32 and 64 bit.
FLUID MANAGEMENT
- DATABASE
- Disk size of fluid databases reduced significantly.
- FLUID EXPLORER
- Direct editing of fluid name in Fluid Explorer.
- FLUID INPUT
- More characters allowed in fluid ID fields.
- Sampling data can be input.
- HTGC n-paraffin analysis can be input and used in wax calculations.
- Option for adding lumping scheme from Lumping tab.
- CSP viscosities can be generated as substitute for real data with LBC viscosity model selected.
- QC
- Gas opening pressure corrected to use separator gas composition instead of recombined reservoir fluid.
- Check for mud contamination refined.
NEW MODELS
- CPA (Cubic Plus Association)
- PT flash.
- Phase envelope.
- Saturate with water.
- PVT simulations.
- Property Generator.
- GERG-2008
- PT flash (non-aqueous).
- Phase envelope.
- Property Generator.
MODEL IMPROVEMENTS
- HV (Huron & Vidal)
- Gas-water interaction parameters revised.
- Gas-salt interaction parameters revised.
- Salts
- Improved correlation for density of salt water.
- Improved accuracy of solubility of NaCl, KCl and CaCl2 in water + MEG.
- Mathias-Copeman (M&C)
- PR specific parameters for aqueous components.
PVT & RESERVOIR
- PVT SIMULATIONS
- Option added for separator correction of CVD and diff lib simulation results.
- Optional input of injection gas as mole% of total mixture in swelling experiment.
- A CME and a viscosity experiment can be added for each swelling stage.
- Material balance check of separator, diff lib and equilibrium and multi contact data.
- Liquid volume% of Vsat added to output and plots for CME simulations on oils.
- Inconsistency corrected between multi contact output from PVT simulations and Compare with Data.
- REGRESSION
- LBC tuning to gas viscosities enabled.
- Peneloux correction factor no longer chosen as regression parameter by default.
- Tuning to critical point on swelling curve as only data point enabled.
- DEPTH GRADIENT
- Separator simulations on fluid compositions enabled.
FLASH & PROCESS
- FLASH
- K-factors added to output from PT non-aqueous flash.
- WATER ANALYSIS
- Conversion to equivalent salt components.
HYDRATE
- CO2
- CO2 hydrate parameters revised.
- Salts
- Increased solubility of CaCl2, HCOONa, HCOOCs and CaBr2.
- Option introduced for ignoring salt precipitation.
- Output corrected to handle multiple solid salt phases.
OPEN STRUCTURE
- GENERAL
- Performance optimization.
- HYDRATE OPEN STRUCTURE
- Bug corrected to have MixtureMolePercent function correctly.
INTERFACES
- GENERAL
- Info about fluid, database, PVTsim version, date etc. added as comment at top of tables.
- Input of min. and max. pressures as alternative to specific pressures for VIP Black Oil, MORE Black Oil, IMEX and Nexus Black Oil.
- OLGA
- Input of salinity in mg/l.
- OLGA data plotting tool extended with 3D.
- Option introduced for correcting illegal property values.
- Units for GOR and standard conditions density in TAB-file corrected to not write m3 with 3 as superscript.
- LEDA FLOW
- Input of salinity in mg/l.
- IMEX
- IMEX BLACK OIL and GASWATER_WITH_CONDENSATE “PVT keywords” updated to respectively PVT and PVTCOND.
- VOLATILE_OIL format added.
- NEXUS
- Nexus Black Oil interface (new).
- Nexus Compositional interface (new).
- ECLIPSE BLACK OIL
- Input of reference pressure for water phase properties enabled.
- ECLIPSE COMP
- Vertical temperature gradient supported.
- PROSPER/MBAL
- Salinity input removed. No longer used after latest table updates.
- PROSPER EOS
- Negative acentric factors output correctly.
- SAPHIR
- Error corrected in isentropic compressibility.
- VIP-COMP
- Line continuation marks (“>”) added.
- Updated to no longer output equilibrium phases.
- MPM (Multi Phase Meter)
- License to multi-phase flash no longer required for fluids without aqueous components.
OTHER
- RESOLUTION
- Robustness of resolution detection and scaling improved.
- LICENSE CHECK
- Lower response time when trying to access module not in license.
- EXPORT REPORT
- Option added for exporting sheets and plots to Word or Excel. Accessed by right-clicking in Output Explorer or clicking button on output sheet.
- COPY TO WORD
- Copying of output sheets to Word improved.
- PRESSURE LIMIT
- Increased from 2000 atm to 3000 atm.