Drilling mud purifications
is the basic to insure the function of drilling bit works properly and safely
for both oil rig equipments and many operators working around the clock in the
drilling field.  Needless to say, it is a
very costly operation if one or many steps of drilling operation go wrong, It
will leads operation cost of drilling rig go double in very short amount of
time that leads to increases of operation cost and late leads to increase the
production cost of oil.    

The first level of purification

The mud feed in the shale shaker. The allocation drilling fluid
enter into the bottom of the drilling well under the foundation of the drilling pump
and carry drilling debris return the ground,
through the feeding enter into the shale shaker, the larger solid debris in drilling fluid are filtered through shale
shaker screen.

The second level of purification

When drilling fluid have debris and also contain gas, The use of vacuum degasser remove the gas which in the
drilling fluid and can recover the density of drilling fluid, calm the drilling fluid viscosity.

The third level
of purification

The drilling fluid is disposed by two level purification enter into the desander.  Through the desander feed into the liquid pump, the harmful sold phase which the diameter
is above 40-60um is separated in desander.

The fourth level of purification

The drilling fluid is disposed by the three level purification enter into the desilter
through the desilter feed into the liquid pump, the harmful sold phase which the diameter is above
15-40um is separated in desilter

.

The fifth level of purification

The drilling is disposed by the four level purification enter into the decanter centrifuge through the centrifugal feed liquid pump, the
small harmful sold phase particles are separated in decanter centrifuge


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