A production choke valve is a service control valve that finds its major application in the oil and gas industry. It regulates the well fluid flow and kills the reservoir pressure to regulate the downstream flow line pressure. It consists of a stem or plug that moves up and down inside a slotted cylinder.
Production choke valves are robust in design. They can withstand extreme erosion, corrosion, flow rates, fluid velocity, and marine environmental conditions. They can also endure extreme pressure drops within the range of 500 bars. Typically they are designed based on API 6A and 6D codes.
What are the Benefits of Production Choke Valves?
Production choke valves are widely used in the oil and gas industry due to their safe handling and reliability during high operating pressure. Some of its perks include:
• Durability and long service life
• Accurate rate of flow adjustment
• Exceptional pressure balancing ability
• Low noise
• Controlled erosion
• High range ability
• High reliability
Production choke valves find their applications in a wide range of applications. Some of its standards uses are:
• FPSO loading valves
• Oil and gas reserves and productions
• Acidizing and cementing lines
• Flow lines with high operating pressure requirements
• In hydraulic fracturing and drilling mud applications in the oil and gas industry
• In petrochemical plants to hand CO2 and steam
• In sub-sea and surface manifolds to handle a mixture of sand, water, gas, and crude in chemical industries
• For gas reinjection in the Christmas tree
• Production well heads
Typically, the production choke valve has three main functions:
• Controlling the choke cross-section to change the flow rate
• Pressure buffering by hindering the flow of the fluid to a certain extent
• Loading resistance
Depending on its function, the choke valve can be divided into two categories:
• Regulating Choke Valves:
It acts as a flow control valve to maintain steady production levels in flowlines and headers. It is an automatic valve where an electric signal from the panel controls the valve opening.
• Non-Regulating Choke Production Valve
It acts as an on-off valve. The opening of these types of choke valves is designed to remove pressure when in fully open condition. Remember, they do not control or regulate the flow.
API 6A monogrammed indicates the high quality and standard of the choke valve. It is an international specification that specifies the following:
• Performance
• Functional and Dimensional Compatibility
• Design
• Material
• Testing
• Inspection
• Welding
• Marking
• Handling
• Storage
• Shipping
• Purchase
• Repair
• Refurbishment of the equipment used in the oil and gas industry
Production choke valve is an integral aspect of the oil and gas industry. It is durable and can endure extreme conditions.
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