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Mud gas separator principle and classification


Mud Gas Separator is commonly called poor boy degasser or poor boy .It captures and separates large volume of free gas within the drilling fluid .If there is a " kick" situation , this vessel separates the mud and gas by allowing it to flow over baffle plates .


The principle behind the mud gas separator is relatively simple .On the figure , the mud and gas mixture is fed at the inlet allowing it to impinge on a series of baffles designed to separate gas and mud .The free gas then is moved into the flare line to reduce the threat of toxic and hazardous gases and the mud then discharges to the shale shaker and to the tank .


Types of mud gas separator

Closed bottom type

Open bottom type

Float type

According to pedestal or based type there are

Fixed type

Elevating type

Poor boy degasser in China is usually named according to vessel diameter . So the type also including

ZYQ 800