Unconfined Aquifer Well Flow Rate:
Extraction Flow Rate:

Permeability Coefficient:

Pressure Head at Point 1:

Pressure Head at Point 2:

Radius at Point 1:

Radius at Point 2:

where,
Q = Extraction Flow Rate,
K = Permeability Coefficient,
h
1 = Pressure Head at Point 1,
h
2 = Pressure Head at Point 2,
r
1 = Radius at Point 1,
r
2 = Radius at Point 2.