WHAT IS THE PURPOSE OF A DRILLING MUD?
The purpose of a drilling mud can be broken into nine basic functions:
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SOLIDS CONTROL IN A DRILLING FLUID
Solids Control Equipment: Shaker, Mud Cleaner, Desilter, etc.
Control of drilled solids from the mud is one of the major functions of a drilling fluid circulating system. Several types of solids control equipment are used to accomplish this task, including screening equipment（ shale shaker ）, hydrocyclones ( mud cleaner, decanter, desilter ), and decanter centrifuges.
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DRILLING FLUID PRODUCTS
Many of the components in drilling fluids can affect the efficiency of solids-control devices. As discussed in the previous section, fluid rheology, shale inhibition potential, wetting characteristics, lubricity, and corrosivity can all affect both the properties of cuttings and the performance of solids-control equipment. Key components that affect those properties include colloidal materials, macropolymers, conventional polymers, and surface-active materials.
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