When the slurry contains particles of different sizes, the larger particles of the slurry form the skeleton of the filter cake and the smaller particles can migrate into and deposit within the porous cake formed by the large particles. For example, hydraulic fracturing of petroleum bearing rock and overbalanced drilling of wells into petroleum reservoirs usually cause a cross-flow filtration, which leads to a filter-cake buildup over the face of the porous rock and filtrate invasion into the reservoir ( Civan, 1994a,c, 1996a,b Civan, 1994a Civan, 1994c Civan, 1996a Civan, 1996b). Faruk Civan PhD, in Reservoir Formation Damage (Third Edition), 2016 12.1 IntroductionĬake filtration occurs inherently in many in situ hydrocarbon reservoir exploitation processes.
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