For small amount of entrained gas in a drilling fluids, the degasser can play a major role of removing small bubbles that a liquid film has envelopped and entrapped. In order for it to be released and break out the air and gas such as methane, H2S and CO2 from the mud to the surface, the drilling fluids must pass degassing technique and it can be accomplished by the equipment called degasser which is also a major part of a drilling mud system.

Vacuum type is the most common form of degasser. It can be horizontal, vertical or round vessel. A vacuum action is created to pull in the gas cut mud. When the liquid enters the tank, it will flow and be distributed to a layer of internal baffle plates designed for the mud to flow in thin laminar film and is exposed to a vacuum that forces the gas to escape and break out of the mud. The vacuum pump moves the escaping gas from the vessel discharging it to the rig's flare or environmental control system.
 

Vacuum degasser as a second stage cleaning equipment is mainly used to remove gas immerged in mud. It is usually fixed after shale shakers. Vacuum degasser ensures proper mud weight pumped down well to prevent potential blowout in drilling. It’s a very important equipment in degassing process.

Degasser belongs to the vacuum degasser, namely use the suction effect of the vacuum pump to create negative pressure region in the vacuum tank, and the mud enter the hollow shaft of the rotor through the suction tube under the action of the atmospheric pressure. And then the mud spray to the tank wall through surrounded windows of the hollow shaft. As collision and the function of separate wheel, the mud separated into thin layers, bubble immersed in the slurry breakup and gas escape. Gas is discharged to safe zone from gas separator through the suction of vacuum pump and separation of gas-water separator, the mud is discharged outside of the tank by impeller. As the main motor start first, the impeller associated with the motor is in a high-speed rotation state, so mud gets into the mud tank only from the suction pipe not be sucked from the liquid discharge tube.

KOSUN Vacuum Degasser is able to service the needs of any application. Unlike the traditional vacuum degasser, KOSUN VD Vacuum Degasser is a self-contained unit. The gas-cut mud is drawn into the degasser by a vacuum created by a regenerative vacuum without the need of centrifugal pump. Moreover, KOSUN Degasser can act as a big agitator for the drilling mud, which helps the treatment for desander and desilter. KOSUN also has atmospheric/centrifugal degasser available as an alternative to the standard vacuum type degasser.

KOSUN is professional solids control equipment and solids control system manufacturer in China. KOSUN Solids Control Equipment includes: shale shaker, mud cleaner, desander, desilter, centrifuge, shear pump, mud agitator, jet mud mixer, ignition device, mud tank, pumps, etc. At present, KOSUN has directly exported its products to the following regions: All-Russia Region, East Asia and South Asia, the Middle East and North Africa, U.S.A., Australia, Europe.