PO.MBE.Aq.Fet.J.SI
Description
Calculates aquifer productivity index for radial flow (Fetkovich), [m3/d/kPa] (SI units).
Formula
=LAMBDA(K, h, Uw, ra, rr, theta, LET(
h_ft, PO.UnitConverter(h, "m", "ft"),
ra_ft, PO.UnitConverter(ra, "m", "ft"),
rr_ft, PO.UnitConverter(rr, "m", "ft"),
result_STBdpsi, PO.MBE.Aq.Fet.J(K, h_ft, Uw, ra_ft, rr_ft, theta),
result_STBdpsi * PO.UnitConverter(1, "bbl/d", "m3/d") / PO.UnitConverter(1, "psi", "kPa")))Parameters
| Parameter | Unit | Description |
|---|---|---|
K |
- | Aquifer permeability, [mD] |
h |
m | Aquifer thickness, [m] |
Uw |
- | Water viscosity, [cP] |
ra |
m | Outer aquifer radius, [m] |
rr |
m | Reservoir radius, [m] |
theta |
- | Encroachment angle, [degrees] |
Examples
| Invocation | Expected |
|---|---|
=PO.MBE.Aq.Fet.J.SI(50, 30.48, 0.5, 3048, 914.4, 360) |
1.356001 |