Pseudo-steady state productivity of horizontal Wells - Method 2

Input(s)

$\mu_{o}$: Viscosity of Oil (cP)

$B_{o}$: Oil Formation Volume $(\mathrm{RB} / \mathrm{STB})$

$A_{t}$: Horizontal Well Drainage Area in the Vertical Plane $=2$ y_eh $\left(\mathrm{ft}^{2}\right)$

$s_{R}$: Skin Factor Due to Partial Penetration of Horizontal Well (dimensionless)

$x_{e}$: Half Length of the Short Side of the Rectangular Drainage Area (ft)

$y_{e}$: Half Length of the Long Side of the Rectangular Drainage Area (ft)

$y_{w}$: Distance from the Horizontal Well to the Closest Boundary in Y Direction (ft)

$\mathrm{h}$: Thickness of Reservoir (ft)

$k_{v}$: Vertical Permeability $(\mathrm{mD})$

$k_{y}$: Horizontal Permeability $(\mathrm{mD})$

$r_{w}$: Radius of Wellbore $(\mathrm{ft})$

$z_{w}$: Vertical Distance between Horizontal Well and Bottom Boundary of Reservoir (ft)

Output(s)

$\operatorname{InC}_{h}$: A Constant Related to the Natural Logarithm of Shape Factor (dimensionless)

$J_{h}$: Pseudo-steady State Productivity of Horizontal Wells (bbl/day/psi)

Formula(s)

Reference(s)

Joshi, S. D. 1991, Horizontal Well Technology. Tulsa, Oklahoma: PennWell Publishing Company. Chapter: 7, Page: 22 .