Description:

ProdIndexHorWellBO - Pseudosteady state productivity index for horizontal well, [STB/(d.psi)] The Babu Odeh method for a box-shaped , anisotropic reservoir, with a well placed parallel to X(box length)-direction.

Excel Function Syntax:

ProdIndexHorWellBO(sizeX, sizeY, sizeZ, Kx, Ky, Kz, L, Rw, Bl, Ul, S, x1, y0, z0)

Online Calculator:

Parameter Value Description
sizeX Length size of the reservoir drainage box. X-direction, parallel to the well, [ft]
sizeY Width size of the reservoir drainage box. Y-direction, perpendicular to the well, [ft]
sizeZ Reservoir height. Z-direction, [ft]
Kx Horizontal permeability in X-direction, [mD]
Ky Horizontal permeability in Y-direction, [mD]
Kz Vertical permeability, [mD]
L Length of the horizontal part of the well, [ft]
Bl Liquid formation volume factor, [bbl/STB].
Ul Liquid viscosity, [cP]
S Skin factor, [dimensionless]
x1 X location of the heel of the well. For the centrally placed well is equal to 0.5*(boxLength-wellLength), [ft]
y0 Y location of the heel of the well. For the centrally placed well is equal to 0.5*boxWidth, [ft]
z0 Z location of the heel of the well. For the centrally placed well is equal to 0.5*reservoirHeight, [ft]
Result

All functions from WellFlow category

# Function Description
1 GasFlowRatePSS Gas well flow rate for pseudosteady state condition using Darcy flow approximation, [mscf/d]
2 GasFlowRatePSSNonDarcy GasFlowRatePSSNonDarcy - Gas well stabilized flow rate for pseudosteady state condition, with Non-Darcy flow equation, [mscf/d]
3 TimeToPSSGas Time to stabilized flow in gas well, [h]
4 NonDarcyCoefficient Correlation for estimating non-Darcy coefficient, [d/mscf]
5 ProdIndexHorWellBorisov Horizontal well productivity index under steady state flow. Borisov method for well in an isotropic reservoir, [STB/(d.psi)]
6 ProdIndexHorWellGRJ ProdIndexHorWellGRJ - Horizontal well productivity index under steady state flow. The Giger-Reiss-Jourdan method for well in an anisotropic reservoir, [STB/(d.psi)]
7 ProdIndexHorWellJoshi Horizontal well productivity index under steady state flow. The Joshi method for well in an anisotropic reservoir, [STB/(d.psi)]
8 ProdIndexHorWellRD Horizontal well productivity index under steady state flow. The Renard-Dupuy method for well in an anisotropic reservoir, [STB/(d.psi)]
9 ProdIndexHorWellBO ProdIndexHorWellBO - Pseudosteady state productivity index for horizontal well, [STB/(d.psi)] The Babu Odeh method for a box-shaped , anisotropic reservoir, with a well placed parallel to X(box length)-direction.
10 ProdIndexHorWellBO2 ProdIndexHorWellBO2 - Pseudosteady state productivity index for horizontal well, [STB/(d.psi)] The Babu Odeh method for a box-shaped , anisotropic reservoir, with a well centrally placed parallel to X(box length)-direction.
12 DrainageAreaHorWell1 The horizontal well drainage area is represented by two half circles of radius b at each end and a rectangle, of dimensions L(2b), in the center. (Joshi Method 1), [acres]
13 DrainageAreaHorWell2 The horizontal well drainage area is an ellipse. (Joshi Method 2), [acres]