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    PVTSIM Nova

  • PVTsim Nova from 4.1 to 4.2

Updates and Bug Fixes 

fluid management & operations

  • FLUID DATABASE
    • Opening of an empty database enabled. Export and import supported for empty databases.
  • ADD TO SINGLE EOS
    • Add to single EoS enabled also when characterized source fluid has been lumped twice or more.
  • CLEAN FOR MUD
    • Enhanced QC check for mud (OBM) contamination.
    • Input menu modified to make it clearer that no mud composition is required for contaminated fluid samples with a composition to C36+
  • NO PLUS GC COMPOSITIONS
    • C7+ density no longer required input for No Plus GC compositions.

FLASH & PROCESS

  • FLASH OUTPUT
    • Partial molar volumes output form flash options. 

interfaces

  • NEXUS BLACK OIL 
    • Updated to meet input checks in Nexus Black Oil for near critical volatile oils. 
  • NEXUS COMP
    • Component names extended from 6 to 10 characters. 

 

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NEW FEATURES AND MODULES IN PVTSIM NOVA 5.1

IMPORT OF PVT DATA

  • UPGRADE TO PRODML 2.1
    • The option for importing an XML file in PRODML format now supports PRODML version 2.1.
  • IMPORT OF PVT DATA FROM EXCEL SHEET
    • The option for importing an XML file in PRODML format has been upgraded to support automated import of PVT reports in a Calsep specified Excel format (Calsep Excel file).
    • It is also possible to convert a PVT report in “Calsep Excel file” format to a PRODML 2.1 XML file.

MODEL UPDATE

  • THERMAL CONDUCTIVITY OF AQUEOS PHASE
    • Hydrate inhibitors taken into account when calculating the thermal conductivity of an aqueous phase.

NEW INTERFACE MODULE

  • INTERSECT COMP
    • Interface to Intersect Compositional.

HYDRATE

  • HYDRATE PT CURVE
    • The hydrate PT curve option has been updated to handle a sudden shift in hydrate temperature from dew to bubble point side for a narrow boiling gas mixture.

FLASH

  • T-BETA AND P-BETA
    • Enhanced robustness of T-beta and P-beta flash options for mixtures with aqueous components.

UNIT OPERATION

  • 3-PHASE SEPARATOR
    • Logic changed to let water follow oil until last separation stage.

INTERFACES

  • ECLIPSE BLACK OIL
    • Refined monotonicity check.
  • INTERSECT BLACK OIL
    • Unit specification added to interface file.
  • GEM
    • GEM interface updated to support T-dependent volume shift parameters.
  • OLGA
    • Artificial gas phase enthalpies forced to increase with increasing temperature.
  • UNISIM
    • UNISIM interface updated to support T-dependent volume shift parameters.

OTHER

  • LICENSE CHECK
    • The Flexlm license check in PVTsim was upgraded to Flexlm version 11.17.