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When the well is sunk deeper, the skin friction is decreased by which of the following method?

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+1 vote
in Geotechnical Engineering II by (93.8k points)
When the well is sunk deeper, the skin friction is decreased by which of the following method?

(a) Use of phawrah jhams

(b) By tilting and shifting

(c) By applying kentledge

(d) All of the mentioned

The question was posed to me in an interview.

Enquiry is from Well Sinking topic in division Well Foundations of Geotechnical Engineering II

1 Answer

0 votes
by (243k points)
Right choice is (c) By applying kentledge

For explanation I would say: To overcome the increased skin friction and the loss of weight due to buoyancy when the well is sunk deeper, additional load known as kentledge is applied on the well.

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