PO.PVT.Co.UnSat.ByVasquezBeggs.SI
Description
Calculates undersaturated oil compressibility using Vasquez and Beggs (1980) correlation, [1/kPa] (SI units).
Formula
=LAMBDA(Rsb, SG_gas, API, T_degC, P, LET(
Rsb_scfSTB, PO.UnitConverter(Rsb, "sm3/sm3", "scf/STB"),
T_degF, PO.UnitConverter(T_degC, "degC", "degF"),
P_psi, PO.UnitConverter(P, "kPa", "psi"),
result_1psi, PO.PVT.Co.UnSat.ByVasquezBeggs(Rsb_scfSTB, SG_gas, API, T_degF, P_psi),
PO.UnitConverter(result_1psi, "1/psi", "1/kPa")))Parameters
| Parameter | Unit | Description |
|---|---|---|
Rsb |
sm3/sm3 | Solution gas-oil ratio at bubble point |
SG_gas |
- | Gas specific gravity (air = 1.0) |
API |
- | Oil API gravity |
T_degC |
degC | Temperature |
P |
kPa | Pressure |
Examples
| Invocation | Expected |
|---|---|
=PO.PVT.Co.UnSat.ByVasquezBeggs.SI(88.9, 0.65, 35, 93.33, 20684) |
2.01940103E-06 |