Question: Allu A drilling mud has a dynamic fluid loss coefficient of 10 in. /in. 2hr12. During the 20hrthat the formation is exposed to this mud

Allu

A drilling mud has a dynamic fluid loss coefficient of 10 in. /in. 2hr12. During the 20hrthat the formation is exposed to this mud during drilling, the shear rate at the wall is 50sec1and bis 5107cm3/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

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