Long-distance efficient driving underwater recoverable throttle valve
A high-efficiency driving and throttling valve technology, applied in the direction of valve lift, valve details, valve device, etc., can solve the problems of small spring force, low switching efficiency, and insufficient long-distance oil return in shallow water, etc., to achieve small vibration and stable operation , The effect of shortening the oil return time
Active Publication Date: 2022-07-12
CHINA NATIONAL OFFSHORE OIL (CHINA) CO LTD +1
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Problems solved by technology
[0005] In view of the above problems, the purpose of the present invention is to provide a long-distance efficient drive underwater retrievable throttle valve to solve the problem that the existing deep-water throttle valve cylinder has a small spring force and cannot meet the working conditions of long-distance oil return in shallow water requirements, switching inefficiencies
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[0071] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present invention will be more thoroughly understood, and will fully convey the scope of the present invention to those skilled in the art.
[0072] The embodiment of the present invention provides an underwater recoverable throttle valve with long-distance and high-efficiency drive suitable for shallow water oil and gas fields, which is installed on the outside of the production channel of the Christmas tree, and is used to control the medium flow in the oil and gas well and stabilize the medium pressure, It has a simple structure, can be operated by divers, and has h...
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The invention relates to a long-distance efficient driving underwater recoverable throttling valve which comprises a valve body assembly, a valve element assembly and a recovery tool assembly. The valve element assembly is installed on the valve body assembly, the valve element comprises a driver assembly, a valve rod, a plunger and a cage sleeve, the output end of the driver assembly is connected with the valve rod, the valve rod is connected with the plunger, the valve rod drives the plunger to move up and down in the axial direction of the cage sleeve, and the cage sleeve is connected with the plunger. A plurality of flow adjusting holes are symmetrically distributed in the outer circle of the cage sleeve, and the plunger moves up and down to adjust the flow area of the flow holes in the cage sleeve so as to achieve pressure and flow adjustment of the throttling valve. The recycling tool is detachably connected with the valve element assembly and used for installing and fixing the valve element assembly on the valve body or detaching the valve element from the valve body. The long-distance efficient driving underwater recoverable throttling valve is installed on the outer side of a production channel of a Christmas tree and used for controlling the flow of media in an oil and gas well and stabilizing the pressure of the media.
Description
technical field [0001] The invention relates to the technical field of oil drilling and production equipment, in particular to a long-distance and high-efficiency driving underwater recoverable throttle valve. Background technique [0002] Underwater Christmas tree is widely used in the process of underwater oil and gas field exploitation, and it is an extremely important equipment in the process of oil extraction. The underwater recoverable throttle valve is one of the main components of the underwater Christmas tree. It is located in the production channel of the Christmas tree. Its main function is to adjust the flow of production medium, stabilize the medium pressure, control the energy of oil and gas layers, prolong the self-spray period, and optimize the production of oil and gas wells. and so on. [0003] The underwater throttle valve is a complex system integrating mechanics, electricity and hydraulics. The service conditions are harsh and require precise flow regul...
Claims
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IPC IPC(8): F16K31/122F16K31/54F16K37/00F16K1/36F16K1/32
CPCF16K31/1225F16K31/1221F16K31/54F16K37/0016F16K37/0025F16K1/36F16K1/32
Inventor 米立军范白涛王名春王彬张会增王武海于小涛仝刚姚旺
Owner CHINA NATIONAL OFFSHORE OIL (CHINA) CO LTD