Description:

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:

Parameter Value Description
time elapsed time, [hours]
prodData flow rate at surface, [STB/D] or array of time [hours] / flow rate [STB/D] of production data
B Formation volume factor, [bbl/STB]
Ul Viscosity, [cP]
C Wellbore storage coefficient, [bbl/psi]
Rw Wellbore radius, [ft]
S Skin factor, [dimensionless]
Ct Total compressibility, [1/psi]
porosity Porosity, [fraction]
h Reservoir height, [ft]
k Permeability, [mD]
L1 Distance to boundary 1, [ft]
L2 Distance to boundary 2, [ft]
Result

All functions from PTA category

# Function Description
1 PdLSSIHR The expression of dimensionless line source solution pressure of infinite homogeneous reservoir.
2 PdwVWIHR Dimensionless wellbore pressure drop for vertical well in infinite homogenous reservoir.
3 PdwVWIHRLSFB Dimensionless wellbore pressure drop for vertical well in infinite homogenous reservoir with linear sealing fault boundary.
4 PdwVWIHRLCPB Dimensionless wellbore pressure drop for vertical well in infinite homogenous reservoir with linear constant pressure boundary.
5 PdwVWIHRPSFB Dimensionless wellbore pressure drop for vertical well in infinite homogenous reservoir with perpendicular sealing faults boundary.
6 PdwVWIHRPCPB Dimensionless wellbore pressure drop for vertical well in infinite homogenous reservoir with perpendicular constant pressures boundary.
7 PdwVWIHRPMB Dimensionless wellbore pressure drop for vertical well in infinite homogenous reservoir with perpendicular mixed boundaries (boundary 1 - fault, boundary 2 - constant pressure).
8 PwVWIHR Wellbore pressure drop for vertical well in infinite homogenous reservoir, [psi]
9 PwVWIHRLSFB Wellbore pressure drop for vertical well in infinite homogenous reservoir with linear sealing fault boundary, [psi]
10 PwVWIHRLCPB Wellbore pressure drop for vertical well in infinite homogenous reservoir with linear constant pressure boundary, [psi]
11 PwVWIHRPSFB Wellbore pressure drop for vertical well in infinite homogenous reservoir with perpendicular sealing faults boundary, [psi]
12 PwVWIHRPCPB Wellbore pressure drop for vertical well in infinite homogenous reservoir with perpendicular constant pressures boundary, [psi]
13 PwVWIHRPMB Wellbore pressure drop for vertical well in infinite homogenous reservoir with perpendicular mixed boundaries (boundary 1 - fault, boundary 2 - constant pressure), [psi]
14 ptaPd Dimensionless pressure as defined for constant-rate production
15 ptaTd Dimensionless time
16 ptaRwd Dimensionless radius
17 ptaLd Dimensionless distance
18 ptaCd Dimensionless wellbore storage coefficient