PO.IPR.GW.PSS.Rate.NonDarcy.SI
Description
Calculates gas well stabilized flow rate for pseudosteady state condition with Non-Darcy flow equation, [sm3/d] (SI units).
Formula
=LAMBDA(K, h, P_average, Pwf, Z, Ug, Re, Rw, S, T, D, LET(
h_ft, PO.UnitConverter(h, "m", "ft"),
P_average_psi, PO.UnitConverter(P_average, "kPa", "psi"),
Pwf_psi, PO.UnitConverter(Pwf, "kPa", "psi"),
Re_ft, PO.UnitConverter(Re, "m", "ft"),
Rw_ft, PO.UnitConverter(Rw, "m", "ft"),
T_degR, PO.UnitConverter(T, "degK", "degR"),
D_1Mscfd, D / PO.UnitConverter(1, "sm3/d", "Mscf/d"),
result_Mscfd, PO.IPR.GW.PSS.Rate.NonDarcy(K, h_ft, P_average_psi, Pwf_psi, Z, Ug, Re_ft, Rw_ft, S, T_degR, D_1Mscfd),
PO.UnitConverter(result_Mscfd, "Mscf/d", "sm3/d")))Parameters
| Parameter | Unit | Description |
|---|---|---|
K |
- | Permeability, [mD] |
h |
m | Reservoir thickness, [m] |
P_average |
kPa | Average reservoir pressure, [kPa] |
Pwf |
kPa | Bottom-hole flowing pressure, [kPa] |
Z |
- | Gas compressibility factor (Z), [dimensionless] |
Ug |
- | Gas viscosity, [cP] |
Re |
m | Drainage radius, [m] |
Rw |
m | Wellbore radius, [m] |
S |
- | Skin factor, [dimensionless] |
T |
degK | Reservoir temperature, [degK] |
D |
1/(sm3/d) | Non-Darcy coefficient, [1/(sm3/d)] |
Examples
| Invocation | Expected |
|---|---|
=PO.IPR.GW.PSS.Rate.NonDarcy.SI(50, 30.48, 17237, 13790, 0.85, 0.015, 304.8, 0.0762, 0, 366.48, 53.83) |
702.901 |