PO.IPR.HW.SS.PI.ByJoshi.SI
Description
Calculates steady state productivity index for horizontal well using Joshi method (anisotropic reservoir), [m3/(d.kPa)] (SI units).
Formula
=LAMBDA(L, Rw, Re, h, Kz, Kxy, Bl, Ul, LET(
L_ft, PO.UnitConverter(L, "m", "ft"),
Rw_ft, PO.UnitConverter(Rw, "m", "ft"),
Re_ft, PO.UnitConverter(Re, "m", "ft"),
h_ft, PO.UnitConverter(h, "m", "ft"),
result_STBdpsi, PO.IPR.HW.SS.PI.ByJoshi(L_ft, Rw_ft, Re_ft, h_ft, Kz, Kxy, Bl, Ul),
result_STBdpsi * PO.UnitConverter(1, "bbl/d", "m3/d") / PO.UnitConverter(1, "psi", "kPa")))Parameters
| Parameter | Unit | Description |
|---|---|---|
L |
m | Length of the horizontal part of the well, [m] |
Rw |
m | Wellbore radius, [m] |
Re |
m | Drainage radius of the horizontal well, [m] |
h |
m | Reservoir thickness, [m] |
Kz |
- | Vertical permeability, [mD] |
Kxy |
- | Horizontal permeability, [mD] |
Bl |
- | Liquid formation volume factor, [m3/sm3] |
Ul |
- | Liquid viscosity, [cP] |
Examples
| Invocation | Expected |
|---|---|
=PO.IPR.HW.SS.PI.ByJoshi.SI(304.8, 0.0762, 304.8, 30.48, 5, 50, 1.2, 2) |
0.05086665 |