Confined Aquifer


Confined, isotropic aquifer, as a function of transmissivity (T).

Confined Aquifer

Confined, isotropic aquifer, as a function of transmissivity (T).

Unconfined Aquifer


Unconfined, isotropic aquifer with delayed drainage, as a function of specific yield (Sy).

Unconfined Aquifer

Unconfined, isotropic aquifer with delayed drainage, as a function of specific yield (Sy).

Leaky Aquifer


Leaky, isotropic aquifer, as a function of Hantush leaky parameter (r/B).

Leaky Aquifer

Leaky, isotropic aquifer, as a function of Hantush leaky parameter (r/B).

Fractured Aquifer, Single Fracture


Fully penetrating well intersecting an infinite conductivity vertical fracture in an anisotropic, confined aquifer, as a function of fracture length (Lf)

Fractured Aquifer, Single Fracture

Fully penetrating well intersecting an infinite conductivity vertical fracture in an anisotropic, confined aquifer, as a function of fracture length (Lf)

Double Porosity


Fully penetrating well with wellbore storage and skin, intersecting an isotropic, double-porosity fractured aquifer with slab or spherical matrix blocks and fracture skin, as a function of matrix hydraulic conductivity (k').

Double Porosity

Fully penetrating well with wellbore storage and skin, intersecting an isotropic, double-porosity fractured aquifer with slab or spherical matrix blocks and fracture skin, as a function of matrix hydraulic conductivity (k').

Well Penetration


Well in a confined, isotropic aquifer, as a function of well penetration.

Well Penetration

Well in a confined, isotropic aquifer, as a function of well penetration.

Well Skin


Well in a confined, isotropic aquifer, as a function of the dimensionless skin factor (σ).

Well Skin

Well in a confined, isotropic aquifer, as a function of the dimensionless skin factor (σ).

Wellbore Storage


Well in a confined, isotropic aquifer, as a function of wellbore storage coefficient (Cw).

Wellbore Storage

Well in a confined, isotropic aquifer, as a function of wellbore storage coefficient (Cw).