Wellhead and valves
Choke Valves
Control flow rate and pressure, fixed or adjustable.
Overview
Choke valves restrict flow to control the rate and pressure of fluid leaving the well. Positive chokes use a fixed bean of a set size; adjustable chokes let the operator change the opening while flowing.
Because chokes face high velocities and often sand, trim materials such as tungsten carbide are chosen to resist erosion.
Key Features
- Positive and adjustable designs
- Erosion-resistant trims
- Manual or actuated operation
- Position indicators on adjustable chokes
Applications
- Production trees
- Well testing and clean-up
- Choke manifolds for well control
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