PO.PTA.Pw.VW.LinConP.SI
Description
Calculates wellbore pressure drop for vertical well in infinite homogeneous reservoir with linear constant pressure boundary, [kPa] (SI units).
Formula
=LAMBDA(time, prod_data, B, Ul, C, Rw, S, Ct, porosity, h, K, L, LET(
prod_data_f, PO.UnitConverter(prod_data, "m3/d", "bbl/d"),
C_f, PO.UnitConverter(C, "m3/kPa", "bbl/psi"),
Rw_f, PO.UnitConverter(Rw, "m", "ft"),
Ct_f, PO.UnitConverter(Ct, "1/kPa", "1/psi"),
h_f, PO.UnitConverter(h, "m", "ft"),
L_f, PO.UnitConverter(L, "m", "ft"),
result, PO.PTA.Pw.VW.LinConP(time, prod_data_f, B, Ul, C_f, Rw_f, S, Ct_f, porosity, h_f, K, L_f),
PO.UnitConverter(result, "psi", "kPa")))Parameters
| Parameter | Unit | Description |
|---|---|---|
time |
- | Elapsed time, [h] |
prod_data |
m3/d | Flow rate at surface, [m3/d] (scalar). For array production data, convert rates to bbl/d externally |
B |
- | Formation volume factor, [m3/sm3] |
Ul |
- | Viscosity, [cP] |
C |
m3/kPa | Wellbore storage coefficient, [m3/kPa] |
Rw |
m | Wellbore radius, [m] |
S |
- | Skin factor, [dimensionless] |
Ct |
1/kPa | Total compressibility, [1/kPa] |
porosity |
- | Porosity, [fraction] |
h |
m | Net pay thickness, [m] |
K |
- | Permeability, [mD] |
L |
m | Distance to boundary, [m] |
Examples
| Invocation | Expected |
|---|---|
=PO.PTA.Pw.VW.LinConP.SI(24, 159, 1, 2, 0.001, 0.0762, 0, 0.0000145, 0.2, 30.48, 50, 304.8) |
2439.2285 |