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Choke Manifold

Choke manifold is a system of valves and chokes that control well flow, typically with two flow paths, an adjustable choke used primarily for well cleaning and facilities to install and change fixed size choke for more accurate flow control during main well flow.

Each flow path has two shut-off gate valves to direct flow through the choke or bypass valve and to isolate it from pressure when changing the fixed choke. Double isolation, double blocking and bleed valve arrangements are recommended for high pressure, sour gas and sand fracture cleanup.

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Product Description

The choke manifold has the following main functions:

It controls wellhead pressure and improves safety.
It maintains a certain flow rate based on the requirements of the test. Testing requires different flow rates over multiple times, requiring the use of different choke sizes.
Prevent formation sand from entering the well by restricting the flow rate. Restricting the flow rate reduces the velocity of the fluid, thus minimizing the amount of sand entering the well.
It also prevents condensation of water and gas by restricting flow.
It is also used to ensure that flow is critical, which means that pressure fluctuations downstream of the choke manifold do not affect the well's downhole pressure and flow rate.