Specialized throttling manifold

A manifold is a combination of multiple pipes that intersect. The manifold includes gate valves, pipelines, pipe fittings, pressure gauges, electronic sensors, hydraulic control systems, and other accessories. There are many types of manifolds, which have different uses due to their different constructions.

Common manifolds include throttling manifolds, pressure testing manifolds, annular manifolds, and kill manifolds.

Choke Manifold

Throttle manifold is a necessary equipment for controlling well kick and implementing pressure control technology in oil and gas wells. Under the condition of the blowout preventer being closed, the opening and closing of the throttle valve is used to control a certain casing pressure to maintain the bottomhole pressure slightly higher than the formation pressure, avoiding further inflow of formation fluids into the well. In addition, when implementing well shut in, a pressure relief manifold can be used to achieve soft shut in. When the pressure inside the well reaches a certain limit, it is used to release water to protect the wellhead.

When the pressure inside the well increases, the fluid inside the well can be released to control the casing pressure by opening and closing the throttle valve (which can be manually adjusted, hydraulic, or fixed) on the throttle manifold. When the casing pressure is high, it can be directly sprayed through a gate valve.

1. Purpose

Throttle manifold is a necessary equipment for controlling well kick and implementing pressure control technology in oil and gas wells. Under the condition of the blowout preventer being closed, the opening and closing of the throttle valve is used to control a certain casing pressure to maintain the bottomhole pressure slightly higher than the formation pressure, avoiding further inflow of formation fluids into the well. In addition, when implementing well shut in, a pressure relief manifold can be used to achieve soft shut in. When the pressure inside the well reaches a certain limit, it is used to release water to protect the wellhead.

2. Structure

The throttle manifold consists of throttle valve, gate valve, pipeline, pipe fittings, pressure gauge, etc., as shown in the above figure and the gate valve and throttle valve parts.

3. Working principle

When the pressure inside the well increases, the fluid inside the well can be released to control the casing pressure by opening and closing the throttle valve (which can be manually adjusted, hydraulic, or fixed) on the throttle manifold. When the casing pressure is high, it can be directly sprayed through a gate valve.

4. Specification of throttling manifold

Our company's throttling manifold has five pressure levels, namely 2000psi, 3000psi,  5000psi,  10000psi and 15000psi, can also be designed according to customer requirements.

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