Duplex gate valve for deep water

A double gate valve and double valve technology, applied in the direction of sliding valve, valve details, valve device, etc., can solve the problems of no more than 1500 meters, the performance requirements of oil drilling and production equipment are getting higher and higher, and the difficulty of oil production is difficult.

Pending Publication Date: 2021-06-29
河北华北石油荣盛机械制造有限公司 +3
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the decrease of onshore oil resources, offshore oil extraction is increasing rapidly. Due to the influence of seawater depth, deep-water oil extraction is difficult, and the performance requirements of deep-water oil drilling and production equipment are getting higher and highe

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Duplex gate valve for deep water
  • Duplex gate valve for deep water
  • Duplex gate valve for deep water

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0026] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a duplex gate valve for deep water, which comprises a duplex valve body which is of two valve body structures which are vertically fixed in parallel, and is provided with a communicated circulation channel along the horizontal direction; each valve body structure is internally provided with a valve cavity communicating with the circulation channel; one valve plate is arranged in each valve cavity; each valve plate corresponds to one driving mechanism; the top of each driving mechanism is driven by an ROV; the valve plates are driven by valve rods to communicate with or cut off the circulation channel; the interior of each pressure compensation mechanism is divided into two cavities through an elastic piece; the inner cavity of each driving mechanism correspondingly communicates with one cavity of the corresponding pressure compensation mechanism; the other cavity of each pressure compensation mechanism is communicated with the outside, and pressures in the two cavities are kept balanced; therefore, the influence of seawater pressure on the gate valve can be counteracted; the gate valve can be applied to deep-sea operation to meet the requirement of deep-water operation; due to the adoption of a duplex structure, one device is used and the other device is standby; and safety guarantee is provided for use.

Description

technical field [0001] The invention relates to the technical field of deep water oil exploitation, and more specifically relates to a double gate valve for deep water. Background technique [0002] With the decrease of onshore oil resources, offshore oil extraction is increasing rapidly. Due to the influence of seawater depth, deep-water oil extraction is difficult, and the performance requirements of deep-water oil drilling and production equipment are getting higher and higher; underwater gate valves It is a key component in the subsea oil tree, subsea emergency sealing device and subsea manifold system. However, the development of subsea gate valves in China is in its infancy. More than 6000psi, can not meet the domestic demand for deep-water oil development. Therefore, how to provide a double gate valve for deep water is an urgent problem to be solved by those skilled in the art. Contents of the invention [0003] For this reason, the object of the present invention...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): F16K3/02F16K3/30F16K27/04F16K31/122F16K41/02F16K37/00
CPCF16K3/0281F16K3/30F16K27/044F16K31/122F16K41/02F16K37/0008
Inventor 崔津生顾纯巍陈艳东杨平张红生王卫华王建伟张东平王薇张崇李梦博李子良王华高明磊马龙殷亚航
Owner 河北华北石油荣盛机械制造有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap