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Concrete classification of vacuum degasser

Vacuum Degasser is used to eliminate the gas in gas cutting drilling fluid, its treating capacity should reach to full flow treating. Degasser is must installed behind the shale shaker and before centrifugal pump.

So when drilling fluid obtain large gas, so the centrifugal pump will occurring cavitation, it not only make centrifugal pump performance is decrease, production voice and vibration and loss service life but also can make centrifugal pump can’t work or damaged.

The function of degasser have two; the one is ensure drilling fluid performance is stabilize, preventing blowout and well kick accident and ensure drilling safety.

vacuum degasser

The other one is ensure hydrocyclone can regular work. When drill middle and deep well, gas well and gas oil well must be matched vacuum degasser.

The degassers are used to clean the gas in the drilling fluid, to ensure the drilling fluid property relatively stable, to guarantee the steady operation of swirlers.

The degassers can be grouped into two kinds: ordinary pressure type and vacuum type. The ordinary pressure degasser is to use the centrifugal to take out gas to invade the mud, with the help of centrifugal force to make the mud spraying in the jet tanks and striking on the wall to make gas releasing. The vacuum degasser is to use the suction of the centrifugal, forming negative pressure in the vacuum tanks, under the action of drilling fluid at atmospheric pressure, through the suction pipe into the hollow shaft, then by umbrella piece of around the hollow shaft assembly, they jet to the skin of tank.

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