Page 277 - Principles of Applied Reservoir Simulation 2E

262 Principles of Applied Reservoir Simulation

Option Code Meaning
Constant rock compressibility PMAX Maximum table pressure (psia)
from record 4.
NOTE: Enter 1 record. CR Rock compressibility (1/psia)
Pressure-dependent rock com- P Pressure (psia). Pressures must
pressibility be in ascending order from PI
(normally 14.7 psia) to PMAX.
The last table entry must be
PMAX.
NOTE: Enter MPGT CR Rock compressibility (1/psia)
records.

18. Heading Up to 80 characters.

19. RHOSCO, RHOSCW, RHOSCG
RHOSCO Stock tank oil density (Ib/cu ft).
RHOSCW Stock tank water density (Ib/cu ft).
RHOSCG Gas density at standard conditions (Ib/cu ft).
NOTE: At standard conditions (14.7 psia and 60 degrees
F for oilfield units) pure water has a density of 62.4 Ib/cu ft
and air has a density of 0.0765 Ib/cu ft.
Repeat records 1 through 19 a total of NPVT times.

24.7 Pressure and Saturation Initialization

1, Heading Up to 80 characters.

2, KPI, KSI, PDATUM, GRAD
KPI Pressure initialization code.
KSI Saturation initialization code.
PDATUM Depth to pressure datum (ft).
GRAD Estimated pressure gradient (psia/ft) for pressure corrections
to PDATUM. If GRAD = 0, a map of pressures corrected
to PDATUM will not be printed. If GRAD * 0, a map of