PO.FRAC.PKN.Wavg
Description
Perkins-Kern-Nordgren (PKN) average fracture width, [inches].
Syntax
=PO.FRAC.PKN.Wavg(wMax)Parameters
| Parameter | Description |
|---|---|
| wMax | Maximum width at wellbore, [inches]. |
SI Unit Version
Lambda Name
PO.FRAC.PKN.Wavg.SIFormula
=LAMBDA(wMax, LET(
wMax_in, PO.UnitConverter(wMax, "cm", "in"),
result_in, PO.FRAC.PKN.Wavg(wMax_in),
PO.UnitConverter(result_in, "in", "cm")))SI Parameters
| Parameter | Unit | Description |
|---|---|---|
wMax |
cm | Maximum width at wellbore, [cm] |
How to save as a reusable Excel function
LAMBDA is a built-in Excel feature (Microsoft 365) that lets you create custom functions without VBA. The formula above works as-is when pasted into a cell.
To save a LAMBDA as a reusable named function:
- Go to Formulas → Name Manager → New
- Enter a name, e.g.
PO.FRAC.PKN.Wavg.SI - In Refers to, paste the LAMBDA formula without the trailing invocation
(...) - Click OK
Now use =PO.FRAC.PKN.Wavg.SI(...) anywhere in your workbook.