UPDATES AND BUG FIXES
FLUID DATA
- AUTO IMPORT OF PVT DATA FROM EXCEL SHEET
- Automated import of PVT reports in Calsep Excel format. A PVTsim installation comes with sample Calsep Excel PVT reports.
- PVT DATA IN PRODML XML FORMAT
- Automated import of fluid compositions and PVT data in PRODML XML version 2.1 format.
- Import of multiple PRODML XML files in one operation.
- ASPHALTENE AND WAX DATA
- New dedicated tab on Fluid View for Asphaltene and Wax data.
FLUID MANAGEMENT
- FLUID EXPLORER
- Enhanced sorting features.
- IMPORT EXTERNAL EOS MODELS
- EoS models in the following formats can be imported: Eclipse Comp, PVTi, tNavigator Comp, Comptrack, CHC, Prosper EoS, GEM and Winprop.
FLUID HANDLING
- USER CONTROLLED OBM CLEANING
- New OBM cleaning option that allows the user to define the contaminated carbon number range. The impact on simulated properties of the cleaned fluid is displayed.
PVT SIMULATION & REGRESSION
- DRY GAS CME (pVTZ)
- CME data can be entered and regressed to for a gas with no saturation point at the experimental temperature.
- AUTO EOS
- The requirement of at least two classical PVT experiments no longer exists if importance assigned to the estimated mixture critical point.
- COMMON EOS w/ PLUS REGRESSION
- Bug corrected, which in rare cases resulted in a too low molecular weight of the heaviest pseudo-component.
- MMP
- Tie-line plots added.
- CHARACTERIZED REGRESSION
- Option to prevent negative kij’s.
- TWO ALMOST IDENTICAL PRESSURE STAGES
- Two differential liberation pressure stages very close to each other no longer gives an error.
RESERVOIR
- COMPOSITION ESTIMATION MODULE
- New module that uses the theory of chemical reaction equilibria to estimate how the composition of a reservoir fluid varies with temperature and pressure.
- COMPOSITIONAL GRADING
- Depth gradient option extended to possibly account for the increased compositional grading caused by viscosity effects (SPE 205887-MS).
- FAST SLIMTUBE
- Changed from molar-based approach to volumetric approach.
FLOW ASSURANCE
- ASPHALTENE SCREENING TOOL
- Outputs report that compiles De Boer plots, SARA based methods and EoS simulations for evaluating risk of asphaltene problems.
- ASPHALTENE PHASE ENVELOPE
- Allowed for gas condensate fluids.
- SARA DATA
- Can be stored in fluid database.
- WAX DATA
- PVTsim Nova database extended to hold wax appearance point, amount of wax in STO and amount of wax precipitation with decreasing temperature (Wax Precipitation Curve – WPC).
- WAX TUNING
- Wax tuning options extended to also cover data for wax precipitation with decreasing temperature (WPC).
- HYDRATE PT CURVE
- The Hydrate PT curve option has been updated to handle a sudden shift in hydrate temperature from the dew to bubble point side for a narrow boiling mixture.
- EMULSION VISCOSITIES
- Correction of oil-in-water viscosity, which was previously too low.
- WAX VISCOSITY CALCULATIONS
- Bug corrected to ensure that plots are always displayed correctly.
FLASH & PROCESS
- GAS QUALITY
- New option for calculating the NGL yield and gross heating value using either the GPA or the ISO standard.
- MULTI FLASH WITH SOLIDS
- New PT multi flash option that handles pure inorganic and aqueous solid phases (e.g. CO2 and ice).
- T-BETA AND P-BETA FLASH OPTIONS
- Enhanced robustness of T-beta and P-beta flash options for mixtures with aqueous components.
- PT AQUEOUS FLASH
- The Aqueous phase properties can be calculated using the Water Package and the PC-SAFT as an alternative to the selected EoS.
- 3-PHASE SEPARATOR
- Logic changes to have water follow the oil until the last separation stage.
- OPEN STRUCTURE FLASH
- Updated to always output component fugacities for all phases.
- COPY PVT DATA
- Input checks have been relaxed for the option to copy PVT data between fluids.
MODELS & MODEL PARAMETERS
- MERCURY
- Hg properties and binary interaction parameters optimized to match experimental data.
- GERG-2008
- Enabled in PT-aqueous flash, PT multi-phase flash, 3-phase separator in Unit Operation menu, phase envelope with water, phase mapping, critical point and in Saphir, Prosper and MBAL interfaces.
- THERMAL CONDUCTIVITY OF AQUEOUS PHASE
- Hydrate inhibitors taken into account when calculating the thermal conductivity of an aqueous phase.
- ASPHALTENE PARAMETERS
- Cubic EoS asphaltene parameters updated (SPE 203491-MS)
- BINARY INTERACTION PARAMETERS FOR GLYCOLS – C7+
- Updated kij’s for pairs of a glycol (MEG, DEG or TEG) and C7+.
- HELIUM
- Ideal gas Cp coefficients for He have been corrected.
- CARBON MONOXIDE
- CO added to pure component database.
INTERFACES
- NEW INTERFACE MODULES
- OLGA batch option.
- Intersect Compositional.
- Turbulent Flux virtual meters.
- Open Porous Media (OPM) reservoir simulator.
- ECLIPSE BLACK OIL
- Refined monotonicity check.
- ECLIPSE COMP
- Extended with option to account for the increased compositional grading caused by viscosity effects.
- GEM
- Updated to support T-dependent volume shift parameters.
- HYSYS
- C6 now appears as pseudo and et-benzene as e-Benzene in Hysys interface file.
- IMEX
- Corrected to ensure that undersaturated Bg-values and gas viscosities deviate from saturated values.
- INTERSECT BLACK OIL
- Unit specification added to interface file
- INTERSECT COMP
- Extended with option to account for the increased compositional grading caused by viscosity effects.
- NEXUS COMP
- Extended with option to account for the increased compositional grading caused by viscosity effects.
- OLGA
- Artificial gas phase enthalpies forced to increase with increasing temperature.
- Bug corrected that might cause slightly inaccurate gas enthalpies for CO2-rich reservoir fluids.
- PIPESIM
- Incorrect values of H, S and Cp at standard conditions corrected.
- PROSPER EOS
- Updated to support Prosper EoS version 16 in addition to version 7.
- tNAVIGATOR COMP
- Extended with option to account for the increased compositional grading caused by viscosity effects.
OTHER
- LICENSE CHECK
- FLEXlm license check upgraded to version 11.17.
- HIGH RESOLUTION MONITORS
- Some menus updated for better user experience on high resolution monitors.
- Z-FACTOR VERIFICATION REPORT
- Updated to also cover GERG-2008.