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Filter Cake
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ilter Cake: The layer of solids stranded on the face of permeable formations
by liquids driven into the rock by pressure differential toward the formation.
When sized correctly, the lter cake may completely stop losses.
Filter Cake Lift-Off: The act of lifting off part of the mud lter cake, at the most
permeable sections of the rock, in response to ow produced by draw down.
Filter Cake Lift-Off Pressure (Drilling): The inward differential pressure
difference that will result in part of the lter cake being removed from the
face of the formation (usually over the most permeable and higher-pressured
sections).
Filter Med