Standpipe Manifold Assembly
Choke & Kill Manifold
Choke Manifold Choke manifold is the necessary device to control the well kick successfully and execute the pressure control technology on oil /gas well in the drilling, It is adopt- ed to execute new drilling well’s technique of balance pressure, which can prevent the pollution of oil-layer, improve the speed of drilling and control blowout effectively. One end to connect 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. When the pressure rise in well, fluid in well can be released in utilization of the choke valve opening/closing in choke manifold to control casing pressure, which can directly blow out through gate valve as the casing pressure is quite high.
Pressure level is divided into five levels, i.e. 2,000psi, 3,000psi, 5,000psi, 10,000psi, 15,000psi; Fabrication of choke manifold is according to the requirements of API spec 16C.
Working pressure: 2,000psi - 15,000psi; Nominal bore size: 2.1/16” to 4.1/16”
Choke Manifold Control Console
Choke manifold control console as a control assembly in hydraulic choke manifold, can remote control the open / close of hydraulic choke valve for a long distance and the control panel can indicate the stand-pipe pressure, casing pressure and the opening / closing condition of hydraulic choke valve as well as the pulse number and frequency of the mud pump if pump-pulse counter equipped, which can keep the pressure under well and is a necessary device to control kick and blowout and perform the pressure control technology in oil / gas well.
Working pressure: 3,000psi - 15,000psi
In case of wellhead pressure increasing, 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, by using blow down lines connected to the kill manifold, the increasing well head pressure also can be released directly for bottom hole pressure release, or water and extinguish- ing agent can be injected into the well by means of 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.
The one end of the kill manifold is connected to the drilling spool and the other end is connected to the pump. designed to API 16C and available from 14MPa, 21MPa, 35MPa and 70MPa pressure ratings.
Vertical structure: could stand on deck with smaller occupation.
Proper match: it is assembly of choke manifold and two sets of kill line, fabricated with two layers of drilling floor for easy operation.
Full function: available with full function of the horizontal model mani- fold. The hard supporting frame is totally enclosed and corrosion pre- vention.
Easy assembly: it is designed to combination with four components for
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