PO.FRAC.Leakoff.Cv.SI
Description
Viscosity-controlled leakoff coefficient (Cv), [m/sqrt(min)] (SI units).
Formula
=LAMBDA(K, porosity, ct, dP, Ufrac, LET(
ct_1psi, PO.UnitConverter(ct, "1/kPa", "1/psi"),
dP_psi, PO.UnitConverter(dP, "kPa", "psi"),
result_ft, PO.FRAC.Leakoff.Cv(K, porosity, ct_1psi, dP_psi, Ufrac),
PO.UnitConverter(result_ft, "ft", "m")))Parameters
| Parameter | Unit | Description |
|---|---|---|
K |
- | Formation permeability, [mD] |
porosity |
- | Formation porosity, [fraction] |
ct |
1/kPa | Total compressibility, [1/kPa] |
dP |
kPa | Pressure difference (Pfrac - Pres), [kPa] |
Ufrac |
- | Fracturing fluid viscosity, [cP] |
Examples
| Invocation | Expected |
|---|---|
=PO.FRAC.Leakoff.Cv.SI(50, 0.2, 0.0000145, 3448, 50) |
0.00142945 |