Installation and Maintenance of Oil Drilling Mud Gas Separator

May 12, 2014

Mud gas separator is commonly called a gas-buster, poor boy degasser and liquid gas separator. 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 the gas by allowing it to flow over baffle plates.

The working principle of mud gas separator is the drilling mud from the wellbore 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.

Installation of Mud/gas Separator

1. Install and fix separator on the special base or hard and horizontal ground. To keep it stable, tighten it by ropes whose ends are inserted into ground.
 


 

2. In order to reduce the frictional resistance the min. Internal diameter of exhaust manifold should be no less than 250 mm.

3. Fixation is necessary while install pipe manifold. Connection of pipes should strictly accord with the installation drawings.

Maintenance steps of Mud/gas Separator

1. Open the screw plug for sand discharge in the manifold side to remove sand when the mud discharge manifold is blocked.

2. The separator assembly is pressure container,so it must be used in designed working pressure and surrounding. Overpressure work is forbidden. The safety valve should be checked at least once a year.

3. The baffle should be checked after a well has been completed. Replace it if there is something wrong.

4. Welding on the separator assembly is forbidden.

5. The exhaust pipe and liquid discharge pipe should be arranged separately when the separator is paralleled. Uniting the pipe is forbidden .

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