PO.MBE.Exp.Efw.SI
Description
Calculates formation/water expansion term (Efw), [rm3/sm3]. Accounts for rock compaction and connate water expansion (SI units).
Formula
=LAMBDA(Boi, cw, cf, Swc, m, deltaP, LET(
cw_1psi, PO.UnitConverter(cw, "1/kPa", "1/psi"),
cf_1psi, PO.UnitConverter(cf, "1/kPa", "1/psi"),
deltaP_psi, PO.UnitConverter(deltaP, "kPa", "psi"),
PO.MBE.Exp.Efw(Boi, cw_1psi, cf_1psi, Swc, m, deltaP_psi)))Parameters
| Parameter | Unit | Description |
|---|---|---|
Boi |
- | Initial oil FVF, [rm3/sm3] |
cw |
1/kPa | Water compressibility, [1/kPa] |
cf |
1/kPa | Formation compressibility, [1/kPa] |
Swc |
- | Connate water saturation, [fraction] |
m |
- | Gas cap ratio. 0 for no gas cap |
deltaP |
kPa | Pressure drop = pi - p, [kPa] |
Examples
| Invocation | Expected |
|---|---|
=PO.MBE.Exp.Efw.SI(1.2, 0.0000145, 0.0000145, 1, 0.5, 17237) |
0 |