Reservoir description view
The Reservoir Properties tab contains the reservoir properties table; a list of properties that will be built into the deck. In this table, properties from the static model can be connected to the simulation properties.
Properties tab
Name Property name. Click in the empty bottom Name field to add other properties.
Mat/Frac This is used to identify the property as a matrix or a fracture property.
Constant Enabled if read option is CON. A single value that represents a property.
Source Property from the static model that is used to fill the values array for the property. Model must be VALUE. Selected from a combo box edit.
Component Becomes active if the selected property is linked to a component.
FIPxxx Becomes active depending on the selected property.
A reservoir property is an array of one or more values. The property defines a value for each cell in the simulation grid.
A number of other properties can be defined as input with a reservoir description. To add a property to the table, left-click in the empty row at the bottom of the table, in the 'Name' column, and select a property.
There are several ways that properties can be defined. The properties can either come from the upstream workflow or can be simply defined as part of the reservoir description. Properties can be defined in various ways. The following are the most common ways that properties are defined:
CON A single value is used for all cells in the reservoir. This is convenient when a property is not well understood. It is also useful to switch between CON and VALUE to see the effect of a property on the simulation.
IVAR A single value is used for all cells in the reservoir. This is convenient when a property is not well understood. It is also useful to switch between CON and VALUE to see the effect of a property on the simulation.
JVAR Used to indicate values that vary in the J direction, but which are constant in the other two directions.
KVAR Used to indicate values that vary in the K direction, but which are constant in the other two directions.
ALL Values are defined per cell.
The context menu for the properties tab contains the following options:
Connect Properties from Grid Updates the Source column with compatible properties from the static model. Additional properties are added as required.
Connect Sector Array The Sector Array can be connected to a property in the static model by specifying a property name in the source column. This static model property must use the Region property template. Furthermore, the sector name specified must match one of the class names for the property.
Grid Parameters tab
The tables on the grid parameters tab contain data that describes the construction of the grid.
The table on the right indicates parameters that are common to the selected reservoir description:
Create Initial data file (INIT) Checkbox indicating whether the ECLIPSE™ simulator should generate the INIT file. This file is necessary for importing maps into your solution.
Grid geometry file control (GRIDFILE) Parameters for generating the GRID and EGRID files from the ECLIPSE™ simulator.
Min pore volume (MINPV) Pore volume threshold below which blocks are made inactive.
Generate connections across pinched out layers (PINCH) A tuple describing pinch out options. The button edit display a tuple edit dialog.
Generate connects across pinched out layers (PINCHOUT) A checkbox indicating that a PINCHOUT keyword is to be inserted into the deck. This is an older version of the PINCH keyword.
Inhibit grid file (NOGGF) Checkbox indicating that GRID and EGRID files are not to be generated.
Calculate transmissibilities from cell corners (NEWTRAN) Checkbox indicating new form of transmissibility calculation is to be used.
Specification of grid characteristics (SPECGRID) Controls grid characteristics.
The left part of the window contains rows for each reservoir defined. Normally there is only one reservoir defined.
Name Name of the reservoir.
RESVNUM Number of the reservoir. Numbered from 1.
COORD Array of COORD keyword values. Button edits allow selection, edit, or addition of arrays.
COORDSYS Tuple specifying options for coordinate reference system (CRS). Button edit display tuple editor.
MAPUNITS Units for MAPAXES keyword. Either FEET or METRES
MAPAXES Set of values defining the CRS axis mapping. Edit button displays tuple editor.
GRIDUNITS Tuple describing units of grid. One of (FEET), (FEET,MAP),(METRES), (METRES,MAP)
I1, I2, J1, J2, K1, K2 Indicates range of cells over which reservoir is defined.
Corner Point Constants tab
The Corner Point Constants tab contains a table of entries for the ADDZCORN keyword. Each entry modifies the location of grid block corners.
Value Change to the depth of cell corners.
I1, I2, J1, J2, K1, K2 Indicates range of cells over which change is to be applied.
Action One of ALL, TOP, BOTTOM.
ROCKCONT tab
The ROCKCONT keyword connects the reservoir and its neighboring cap and base rock formations. The table on the left side is used to define the Rock Region ID and Name, and select if the rock region is Active.
For every rock region ID, specified using ROCKNUM, you can define the thermal properties in the six directions (+I, -I, +J, -J, +K, -K).
Direction Define all the thermal properties for the respective direction.
Initial Temperature of Reservoir Surrounding Enter the initial temperature value for selected rock region.
Volumetric Heat Capacity Enter a value for volumetric heat capacity.
Rock Conductivity Enter the rock conductivity value.
Minimal Temperature Difference The minimum temperature difference value when the heat exchange will start.