Unsteadystate
flow equation:
Equation for
quasisteadystate flow period:
The last equation
is applied in order to account for different values of storage
coefficient during pumping (S)
and recovery (S')
period.
Methods of analysis and parameters being estimated
Plot

Method

Parameters

Comments


straight
line
1)



matching




matching




matching




matching




matching




matching




matching




matching




matching




matching




straight
line



matching




straight
line




bisecting
line




bisecting
line



1) the straight
line should start from the origin of coordinates;
s0
 drawdown at the
end of pumping.
