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Output - derived and user-defined properties page

This is the Next >> page accessed when using WizGen in Flexible project mode from the Output - simulator input page or by selecting the Goto... button for Specify derived and user-defined property output options from the Contents page.

This page allows the user to output derived and user-defined connection properties generated by running the currently saved TGDATA file via ViewGen.

HINT:- While often useful, these properties cannot be used as input to the original simulator model.



Apart from outputting data files of transmissibility multipliers and transmissibilities of all faulted connections for inclusion in the original Eclipse, MoReS or More reservoir simulation models (as set on the Output - simulator input page of WizGen), the user has options to output any of the following to file(s):-

Derived Connection (C) properties

  • FAULTS - an Eclipse format FAULTS file (TransGen will find the faults even if none were supplied)

  • TRMULT - Transmissibility multipliers for each cell-cell connection

  • AREA - Area of connection for each cell-cell connection

  • FTRANS - Faulted transmissibilities for each cell-cell connection

  • UFTRANS - Unfaulted transmissibilities for each cell-cell connection (transmissibility including fault juxtaposition, but excluding any fault-rock thickness)

  • PERM - Fault permeability for each cell-cell connection

  • THICK - Fault-rock thickness for each cell-cell connection

  • THROW - Fault throw for each cell-cell connection

  • FSP measures - any FSP measures calculated in the current run, e.g. csp_yielding, csp_fulljames, sgr values can each be output to data files (Up to 5 fault seal potential measures can be calculated in a single TransGen run as set via the Fault Seal Potential Variables page. One or more of these fault seal measures included in the PERM plugin via the User-defined plugins page will be used calculate fault permeability and hence across-fault transmissibilities including fault-rock thickness).


    • NOTE:- All of the above connection properties could be selected as output to file(s) prior to the TransGen version 3.2 release. In general, most will be unchanged by inclusion of the new fault drag and hierarchical zone effects, reflecting only the parent model. However, the data output for TRMULT, UFTRANS and FTTRANS will include information about user-defined changes to the model, i.e. the UFTRANS, FTRANS and TRMULT output files will contain data for all connections in both the parent and user-defined models (see Changes to Connection property output in 3.2 release)

    Derived Trace (T) properties

    Five new output file type are available to output fault trace information generated from a TransGen run including fault drag and hierarchical zone effects.   
  • TGTRACE - to output all 10 user-defined trace properties for those traces for which at least one has been modified from the default value, i.e. as applied by the TGTRACE input file in the current TransGen run.

  • TGDRAG - to output drag ratio data for those traces where the input data has an effect on the output model geometry, i.e. where the drag ratio as applied by the TGDRAG input file in the current TransGen run is not equal to 1.0.

  • TGTHROW - to output user-defined throw values for those traces where the input data has an effect on the output model geometry, i.e. where the user-defined fault throws as applied by the TGTHROW input file in the current TransGen run are not equal to 0.0.

  • TGFZONE - to output all fault zone data applied in the current TransGen run, i.e. all TGFZONE data included in the current run.

  • TGXTRACE - to output data containing summary information of every fault trace (system and user-defined) in the model (see section on the TGXTRACE keyword for details).  


    • User-defined keywords (connections & cells)

  • User-defined keywords - any cell and/or connection properties input as user-defined keywords and calculated in the current run.


    • NOTE:- The names of fault seal potential measures are case-sensitive (sgr4 is NOT the same as SGR4), but both user-defined keywords and standard keywords are case-insensitive (i.e. PERM is the same as perm).

    The file output for any of these data is activated by inputting directory/filename target either by typing the full pathname/filename in the relevant box or by selecting the appropriate Browse... button to open a File selection window in which to navigate to the required OUTPUT directory and select/type in the output file name.

    When any of these extended Output settings are saved to the TGDATA run file, they are added as strings below the TGXRPT keyword, as shown below:-

    TGXRPT
    'PERM=/output_directory/perm.txt'
    'AREA=/output_directory/area.txt'
    TGXTRACE=/output_directory/tgxtrace.txt
    'sgr=/output_directory/sgr.txt'
    'CELL_PRESSURE=/output_directory/evshale1.txt'
    /



    With these settings, calculated values for the user-defined cell property "cell_press" and the FSP measure "sgr", together with the output file containing summary information on every fault trace in the current model will be output to the specified files when ViewGen is successfully run with the saved TGDATA file.

    NOTE:- The ability to output FSP measures and user-defined properties is new to the TransGen Version 3 release.

    The output format of connection properties will be the same as the Input format of user-defined connection properties.

    For example, the output format of the fault seal potential measure 'sgr.txt' will be written something like:-

    -- Connection property output for model:
    -- PUNQ Dynamic - TransGen project

    sgr
    -- IX IY IZ JX JY JZ VALUE
    1 25 1 2 25 8 0.452703 /
    1 25 1 2 25 10 0.532935 /
    1 25 2 2 25 10 0.554008 /
    1 25 2 2 25 11 0.569946 /
    1 25 3 2 25 10 0.576589 /
    1 25 3 2 25 11 0.606493 /
    1 25 3 2 25 12 0.638795 /
    1 25 4 2 25 11 0.647185 /
    .
    .
    18 59 19 18 60 14 0.205064 /
    18 59 20 18 60 14 0.238062 /
    18 59 20 18 60 15 0.279552 /
    /


    The format specifier used is the C++ general floating point format which automatically employs exponential format for very large or very small numbers, i.e. 0.0000000003 will be output as 3e-10.

    When the Output - derived and user-defined properties page is set as required, click on the Next >> button to view the current settings in the Project (TGDATA) File.
    Alternatively, if the Include fault drag and hierarchical zone effecta option is toggled "on" via the Title page, clicking on the Next>> button will display the page to set the Drag applied to fault traces.
    Alternatively, if the Include two-phase fault rock calculations option is toggled "on" via the Title page, clicking on the Next>> button will display the first page for specifying Two phase flow - INPUT.

    Alternatively, click on the << Back button to return to the Output - simulator input page.

    Or click on the Contents button to access the Contents page to view/edit any of the current WizGen page settings, inspect the current TGDATA file and/or the session log generated by last ViewGen calculation.

    Click on Save to save any modifications made to the current TGDATA runfile.
    Click on Quit to exit from WizGen with or without saving the any changes to the TGDATA runfile.

    Changes to Connection property output in 3.2 release


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