Building Input File
Constraints on Simulation

• Debugging factors
• Limiting factors imposed on the simulation
• maximum # of time steps allowed in run = 9999
• limiting maximum water/oil ratio = 100
• limiting maximum gas/oil ratio = 1000
• limiting minimum field average pressure = 100 psi
• limiting maximum field average pressure = 2000 psi
• maximum saturation change over a time step = 0.3
• maximum pressure change over a time step = 200 psi
• Solution method specifications
• numerical dispersion

Aquifer Description

• Model code selection
• Number of regions for aquifer model
• Aquifer grid block coordinates

Col 1	Col 2	Col 3	Col 4	Col 5	Col 6	Col 7
aquifer data							(title)
2							(model code)
1							# of region contain.steady state aquifer
1	13	1	13	2	2	10	aquifer grid block coord.
							Col. Region Direction  1 1st I (x) 2 Last I 3 1st J (y) 4 Last J 5 1st K (z) 6 Last K 7 acquifer recharge coeff. (scf/day/psi)