PO.PTA.ToDim.CD.SI
Description
Converts wellbore storage coefficient to dimensionless storage, [dimensionless] (SI units).
Formula
=LAMBDA(C, porosity, Ct, h, Rw, LET(
C_bblpsi, PO.UnitConverter(C, "m3/kPa", "bbl/psi"),
Ct_1psi, PO.UnitConverter(Ct, "1/kPa", "1/psi"),
h_ft, PO.UnitConverter(h, "m", "ft"),
Rw_ft, PO.UnitConverter(Rw, "m", "ft"),
PO.PTA.ToDim.CD(C_bblpsi, porosity, Ct_1psi, h_ft, Rw_ft)))Parameters
| Parameter | Unit | Description |
|---|---|---|
C |
m3/kPa | Wellbore storage coefficient, [m3/kPa] |
porosity |
- | Porosity, [fraction] |
Ct |
1/kPa | Total compressibility, [1/kPa] |
h |
m | Net pay thickness, [m] |
Rw |
m | Wellbore radius, [m] |
Examples
| Invocation | Expected |
|---|---|
=PO.PTA.ToDim.CD.SI(0.001, 0.2, 0.0000145, 30.48, 0.0762) |
310.1007 |