Wellbore pressure drop for vertical well in infinite homogenous reservoir with perpendicular mixed boundaries (boundary 1 - fault, boundary 2 - constant pressure), [psi]

Excel Function Syntax

PwVWIHRPMB(time, prodData, B, Ul, C, Rw, S, Ct, porosity, h, k, L1, L2)

Online Calculator

timeelapsed time, [hours]
prodDataflow rate at surface, [STB/D] or array of time [hours] / flow rate [STB/D] of production data
BFormation volume factor, [bbl/STB]
UlViscosity, [cP]
CWellbore storage coefficient, [bbl/psi]
RwWellbore radius, [ft]
SSkin factor, [dimensionless]
CtTotal compressibility, [1/psi]
porosityPorosity, [fraction]
hReservoir height, [ft]
kPermeability, [mD]
L1Distance to boundary 1, [ft]
L2Distance to boundary 2, [ft]