Choke manifold is an essential component used in well control operations, particularly for managing well kicks and maintaining pressure during oil and gas drilling. When the blowout preventer (BOP) is closed, the choke valve can be adjusted to regulate the casing pressure, ensuring that the bottom hole pressure remains slightly higher than the formation pressure. This helps prevent further influx of formation fluids into the wellbore. Additionally, the choke manifold allows for a soft shut-in when the well is closed, and it can also be used to release pressure and allow controlled flow when needed, protecting the well from damage.
The choke manifold typically consists of a choke valve, gate valve, piping, fittings, and pressure gauges. The choke valve, which can be manually operated, hydraulic, or positive-acting, plays a key role in controlling the flow and pressure. The gate valve is often used for direct blowout operations. When the casing pressure becomes too high, the choke manifold helps manage the situation effectively.
Our company offers choke manifolds with five different pressure ratings: 14MPa, 21MPa, 35MPa, 70MPa, and 105MPa. Custom designs are also available based on specific customer requirements.
Below is a detailed specification table for our choke and kill manifolds:
| Name | Choke Manifold | Kill Manifold |
|-------------------|----------------------------------|------------------------------|
| Model | JG/S2-35 | JG/SY-35 | JG/SY2-70 | JG/S2Y2-105 | YG-35 | Y-70 | YG-105 |
| Main Diameter & Sideward Diameter | 3 1/8 × 2 1/16 (80 × 52) | 4 1/16 × 2 9/16 (103 × 65) | 4 1/16 × 3 1/16 (103 × 78) | - | - | - | - |
| Working Pressure (psi/MPa) | 3000(21) / 5000(35) | 3000(21) / 10000(70) | 5000(35) | 10000(70) | 15000(105) | - | - |
| Working Temperature (°C/°F) | LU -46°C ~ +121°C (-50°F ~ 250°F) | LU -46°C ~ +121°C (-50°F ~ 250°F) | - | - | - | - | - |
| Working Mediums | Drilling fluid, mud, and petroleum (with hydrogen sulfide) | Drilling fluid, mud, and petroleum (with hydrogen sulfide) | - | - | - | - | - |
| Control Type | Two-winged manual choke valve | Two-winged hydraulic manual choke valve | Three-winged hydraulic manual choke valve | Four-winged double-hydraulic manual choke valve | Two-winged main relief valve | - | - |
This API 16C choke and kill manifold is designed for high-performance and reliability in harsh environments. It is widely used in oil and gas operations to ensure safe and efficient well control. The product is manufactured in China and comes with ISO 9001:2000 certification, ensuring quality and compliance with international standards.
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JIANGSU FUERMU WELDING CORPORATION , https://www.fuermuwelding.com