Excel Function

ptaCd


Description:

Dimensionless wellbore storage coefficient

Excel Function Syntax:

ptaCd(C, poro, ct, h, rw)

Online Calculator:

Parameter Value Description
C wellbore storage coefficient, bbl/psi
poro porosity, dimensionless
ct total compressibility, 1/psi
h net formation thickness, ft
rw wellbore radius, ft
Result

Related Functions


4 items

ptaLd

Dimensionless distance

ptaPd

Dimensionless pressure as defined for constant-rate production

ptaRwd

Dimensionless radius

ptaTd

Dimensionless time

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