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Api 16C Kill & Choke Manifold

Api 16C Kill & Choke Manifold

CHOKE MANIFOLD

1.Application

Choke manifold is necessary device to control the well kick successfully and execute the pressure control technology on oil/gas well in the course of drilling,as it is,the device is adopted to execute new drilling-well's technique of balance pressure,which can avoid pollution of oil-layer,improve the speed of drilling and control blowout effectively.

One end of the device connects with the side flange of BOP spool.When BOP closes,it can control the finite pressure from casing by adjusting the choke valve's opening,so balanced drilling can work under minimum pressure-difference.

2.Configuration

The choke manifold consists of choke valves,gate valves,line pipes,fittings,pressure gauges and other components.

3.Working Principles

When the pressure inside the well rises,opening/closing the choke valves(including manual chokes,hydraulic chokes and positive chokes)on the choke manifold can allow the release of the fluid inside the well so as to control casing pressure,which can be directly blown out through the gate valve if the casing pressure is quite high.

4.Pressure Ratings

The kill manifold is available in pressure ratings of 2000psi,3000psi,5000psi,10000psi and 15000psi,and also can be available upon customer request.

 

 

KILL MANIFOLD

1.Application

In case of increase of the well head pressure,the kill manifold can provide a means of pumping heavy drilling fluid into the well to balance bottom hole pressure so that well kick and blowout can be prevented.In this case,the increasing well head pressure also can be released directly through blowdown lines connected to the kill manifold so as to release bottom hole pressure,or the water and extinguishing agent can be injected into the well using the kill manifold.The check valves on the kill manifold only allow injection of kill fluid or other fluids into the well bore through themselves,but do not allow any backflow so as to perform the kill operation or other operations.

2. Configuration
The kill manifold consists of check valves, gate vales, pressure gauges and line pipes. The one end of the kill manifold is connected to the drilling spool and the other end is connected to the pump. The kill manifold and choke manifold are both designed to API 16C and can be used together. The kill manifold is available in pressure ratings of 14MPa, 21MPa, 35MPa and 70MPa.


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