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240 Principles of Applied Reservoir Simulation

Code Meaning

IOTBL maximum number of entries in PVT and Saturation tables
(such as 30)

IONWL maximum number of wells (such as 10)

IOCON maximum number of connections per well (such as 10)

3. Heading Up to 80 characters.

4. KDX, KDY, KDZ, KDZNET
KDX Control code for input of x direction grid size.
KDY Control code for input of y direction grid size.
KDZ Control code for input of z direction gross gridblock thick-
nesses.
KDZNET Control code for input of z direction net gridblock thick-
nesses.

Code Value Meaning
-1 The x direction grid dimensions are the same for all
blocks in the grid. Read only one value.
0 The x direction dimensions are read for each block in
the first row (J = 1) of layer one (K = 1). These same
KDX values are assigned to all other rows and all other layers
in the model grid. Read II values.
1 The x direction dimensions are read for each block in
layer one (K = 1 ). These same values are assigned to all
x
other layers in the grid. Read II JJ values.
-1 The y direction grid dimensions are the same for all
blocks in the grid. Read only one value.

KDY 0 The y direction dimensions are read for each block in
the first column (I = 1) of layer one (K = 1). These
values are assigned to all other columns and all other
layers in the model grid. Read JJ values.