What is the skin factor if the filtrate reduces

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Question: A drilling mud has a dynamic fluid loss coefficient of 10 in. /in. 2-hr12. During the 20hrthat the formation is exposed to this mud during drilling, the shear rate at the wall is 50sec-1and bis 5×10-7 cm3/cm2. What is the depth of drilling filtrate invasion assuming that ?=0.19? What is the skin factor if the filtrate reduces the permeability to 50%of the original value? The drainage radius is 660ft, and rw?=0.328ft

Reference no: EM133298660

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