Method for the grit-free withdrawal of water from a well and...

Details Method for the grit-free withdrawal of water from a well and... Method for the grit-free withdrawal of water from a well and...

E - Fixed Constructions

21

B

166/9

E21B 43/08 (2006.01) E03B 3/08 (2006.01) E03B 3/12 (2006.01) E03B 3/18 (2006.01) E03B 3/20 (2006.01)

Patent

CA 1272442

ABSTRACT Method for the grit-free withdrawal of water from a well and also a device suitable therefor In a well with filter tube and filter gravel fill a slot profile for a collection element forming the suction tube which has larger suction cut-outs at the bottom than at the top and which effects an equalization of the flow velocity of the water passing into the filter gravel layer is established on the basis of the combination of calcu- lations and empirical investigations.

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