Drilling fluid centrifuges have got large development on both structure and functions. Especially there are many manufacturers design centrifuges according to drilling mud features or property.

In the whole solids control system, the drilling mud decanter centrifuge is the most important solids control equipment, it is the forth stage equipment and it decides the quality of drilling fluids in a way. The first equipment is oilfield shale shaker, it is one of the most important equipment, too. The second stage equipment is desander, third equipment is desilter. Sometimes they are combined to be as one equipment—drilling mud cleaner.


DCLW means horizontal spiral type which is a normal model of decanting centrifuge. Always there is a screw pump or submersible pump to feed the mud to Decanter Centrifuge. After the drilling fluids being fed into the centrifuge drum, under the function of centrifugal force, solid phase particles are pushed to the internal wall of the drum, then to the solid discharge export of the small end of the drum and excreted. While the fluids is excreted from the overflow hole of the large end.

In essence, a centrifuge is a miniature settling pit that alloys very rapid settling of solids under controlled conditions. Though much more complicated than a hydrocyclone, centrifuges have the advantage of achieving extremely fine cut points.

Specially designed to work with virtually all kinds of drilling mud, the DCLW Series centrifuges are optimized for use with the new water/synthetics based mud types, in addition to conventional oil‐based drilling fluids.

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