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Strip aquifer: no-flow boundaries

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Strip aquifer: no-flow boundaries

Strip aquifer: no-flow boundaries

 

Assumptions:

general assumptions for bounded (strip) aquifer;

image wells form an infinite row, signs of rates shown in figure below.

 

Confined aquifer with parallel no-flow boundaries.

a – cross-section; b – plan view.

 

Fundamental equation:

Laplace transform solution:

 

This solution is applicable in the following cases:

One well pumped at a constant rate

Pumping

Recovery

 drawdown is measured from the beginning of the pumping test

 drawdown is measured from the beginning of the recovery test

The whole test period including pumping /injection/ and recovery stages is analyzed

Several wells pumped at a constant rate

Pumping

One well pumped at a variable rate

Pumping

Several wells pumped at a variable rate

Pumping