The vacuum degasser, also known as a mud/gas separator is one of the first units of solids control equipment arranged to treat drilling mud. As such, they process all of the drilling mud from the flow line before the mud reaches the primary shale shakers.
AP200 DESILTER SERVICE & OPERATING MANUAL
AP200 desilters are capable of processing up to 240 stere per minute and can get do to cut point of approximately 35 microns. This equipment is designed to remove the sand and silt sized particles before they have a chance to break down even smaller.
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REDUCED TOTAL SOLIDS
The presence of large amounts of drilled solids in a drilling mud usually
spells trouble for the drilling operation. These solids adversely affect the performance characteristics of the mud and can lead to a multitude of costly hole problems.
TYPE OF OIL-BASED MUDS
Oil-based mud is a drilling fluid used in drilling engineering. It is composed of oil as the continuous phase and water as the dispersed phase in conjunction with emulsifiers, wetting agents and gellants. The oil base can be diesel, kerosene, fueloil, selected crude oil or mineral oil. –wiki