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Saving Rivers

Consider the ...

Question

Consider the following statements:
A well development
1. involves reversal of flow through the well screen
2. increase permeability towards the well
3. decreases permeability towards the well
4. is continued till sand/ silt free water is pumped out

Which of these statements is/are correct?

A

1, 3 and 4

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B

1, 2 and 4

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C

3 only

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D

1 and 4

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Solution

The correct option is B 1, 2 and 4
Well development is a part of normal well drilling procedure after the completion of the well and before the final disinfection. It is necessary to maximize the yield of the well and to optimize the filter capacity of the gravel pack after well construction.

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