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Oil & gas drilling equipment, solids control equipment, industry centrifuges

Choke manifold and Kill manifold

Choke manifold and Kill manifold

We supply a complete series of well control equipment in accordance with API-6A, API-16A, API-16C and API-16D, including high pressure wellhead and Christmas tree, BOP,BOP control unit, choke manifold and kill manifold.

The choke manifold is an essential device for successful well kick control and implementation of pressure control technologies in oil and gas wells and choke manifold is designed, manufactured and inspected in accordance with API 16C. A throttling and killing manifold regulates downhole pressure fluctuations that occur during drilling by directing flow through a series of valves and chokes.

The choke manifold is composed of choke valves, gate valves, line pipes, fittings, pressure gauges, etc. One end of the device is connected to the side flange of the blowout preventer spool. When the BOP closes, it can control the final pressure from the casing by adjusting the opening of the throttle valve, so it is balanced drilling can operate with minimal pressure differences.

The kill manifold consists of check valves, gate valves, pipelines, pressure gauges. In the event of an increase in wellhead pressure, the kill manifold can serve as a means of pumping heavy drilling fluid into the well to balance the bottomhole pressure so that in this case, using purge lines connected to the kill manifold, it is also possible release increasing wellhead pressure directly to relieve bottomhole pressure or pump water and fire extinguishing agent into the well using kill manifold.

Technical parameters for Choke manifold and Kill manifold

Pressure range 13.8MPa- 103.5MPa
Nominal diameter 2 9/16" ~ 4 1/16"
Temperature class L, P, U
Material type DD, EE, FF, HH
Work environment Crude Oil(Gas), Clay Mud, Drilling Mud, Gas(H2S)
Standards API SPEC 6A , API SPEC 16C, NACE MR-0175

Technical Features on Choke manifold

  1. Choke manifold will reduce the pressure of the casing by relieving the pressure of the throttle valve, which provides a "soft closure" of the well.
  2. The full-bore slide valve is designed with a bi-directional metal seal and has a long service life.
  3. The fitting sleeve of choke manifold is made of carbide, has high wear resistance and anti-corrosion;
  4. Choke manifold type: single-leaf, double-wing, multi-wing manifold and riser manifold;
  5. Control Type of choke manifold: Manual, Hydraulic, with Hydraulic Remote-Control Panel.

Technical feature on Kill manifold.

  1. Well Killing: Forced Infusion of Heavy Drill Sheet
  2. Fire Prevention: Forced Water Injection
  3. Auxiliary fire extinguishing: forced injection of extinguishing agent

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