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What Is The Difference Between A Good Well And A Poor Well?
This is a leading contributor to well underperformance and well failure. Companies selling 4 inch or 4 1/2 inch will try to convince clients that it is just as good as a 5 inch ID well.
It is not.
A 4-inch pump is designed to fit into a 4 inch well casing, but there is only 1/8 inch clearance between the pump and the well casing wall.