Relaxed Filtrate Oil Mud
Relaxed Filtrate Oil Mud :
(n.) Drilling Fluids. An oil mud designed and maintained with a minimum of colloid-sized solids, typically by omitting fatty-acid soap and lime, and minimizing organophilic clays and fluid-loss additives. Relaxed filtrate oil mud increases drilling rate. A disadvantage is that filter cake formed on sands is not tight, can quickly become very thick, and can cause pipe to stick by differential pressure. Syn: low colloid oil mud. See: Differential Pressure Sticking, Filtration, Gilsonite, Oil-Mud Emulsifier, Organophilic Clay
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