CN204691719U - A kind of blowout preventer gland - Google Patents
A kind of blowout preventer gland Download PDFInfo
- Publication number
- CN204691719U CN204691719U CN201520422774.3U CN201520422774U CN204691719U CN 204691719 U CN204691719 U CN 204691719U CN 201520422774 U CN201520422774 U CN 201520422774U CN 204691719 U CN204691719 U CN 204691719U
- Authority
- CN
- China
- Prior art keywords
- blowout preventer
- lid
- gland
- well casing
- downside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model belongs to oil well mechanical fitting technical field, discloses a kind of and the matching used blowout preventer gland of oil well self-sealing blowout preventer.Its main technical schemes, is made up of disc lid; The central part of lid is provided with well casing socket, and the downside of described lid is provided with the spill annulus with blowout preventer mouth snapping, and described lid border is evenly provided with bolt fixing hole.This blowout preventer gland is structure as a whole, the problem that the sealing performance effectively overcoming its uneven caused lid of gland pressure-bearing lost efficacy, and has rational in infrastructure, good sealing effect and feature easy to use is changed in installation.
Description
Technical field
The utility model belongs to oil well mechanical fitting technical field, namely relates to a kind of and the matching used blowout preventer gland of oil well self-sealing blowout preventer.
Background technology
Shut-in well air pressure lid and blowout preventer support the use, and are about to shut-in well air pressure cover buckle on blowout preventer.The shut-in well air pressure lid used at present is two body structures, namely has feature easy to use.Although but between two and half lids of formation well lid, there is good syndeton, but in use due to the perturbation action of air-flow, the phenomenon that pressure-bearing between as easy as rolling off a log appearance two and half lid is uneven, causes the sealing performance of its lid to lose efficacy, and has a strong impact on pressure testing test.
Utility model content
The purpose of this utility model is just to provide a kind of rational in infrastructure, good sealing effect and blowout preventer gland easy to use is changed in installation.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of blowout preventer gland, is characterized in that: be made up of disc lid;
The central part of described lid is provided with well casing socket,
The downside of described lid is provided with the spill annulus with blowout preventer mouth snapping,
Described lid border is evenly provided with bolt fixing hole.
The additional technical feature forming above-mentioned blowout preventer gland comprises:
---the cylinder circle of fixing described well casing is provided with on the limit, hole of described well casing socket;
---described cylinder circle is provided with the spill ring that can hold encapsulant;
---be provided with in the downside of described lid and enclose with second of described blowout preventer mouth snapping, this circle is provided with spill ring.
Blowout preventer gland provided by the utility model compared with prior art has the following advantages: one, is structure as a whole owing to forming this gland, the problem that the sealing performance therefore effectively overcoming its uneven caused lid of gland pressure-bearing lost efficacy; Its two, because the limit, hole forming this gland well casing socket is provided with the cylinder circle of fixing described well casing, therefore greatly can improve the sealing performance between this gland and well casing; Its three, enclose with second of blowout preventer mouth snapping owing to being provided with in the downside of lid, therefore can improve the sealing performance between lid and blowout preventer further.
Accompanying drawing explanation
The radial section structural representation of the blowout preventer gland that Fig. 1 provides for the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the structure of the blowout preventer gland that the utility model provides and use principle are described in further details.
Be illustrated in figure 1 the structural representation of the blowout preventer gland that the utility model provides.The structure of this blowout preventer gland is made up of disc lid 1, wherein, the central part of lid is provided with pressure testing and tests the well casing socket 2 used, the downside of lid is provided with the spill annulus 4 sealed with blowout preventer mouth 3 snapping, and is evenly provided with bolt fixing hole 5 in its border.
During use, first the spill annulus 4 of lid downside is aimed at the fastening of blowout preventer mouth, then by bolt, this lid is fixed, well casing 6 is inserted in its socket, can pressure testing test be carried out.
In the structure forming above-mentioned blowout preventer gland,
---in order to improve the connection sealing energy of well casing and disc lid center well casing socket further, the limit, hole of above-mentioned well casing socket is provided with the cylinder circle 7 for fixing well casing 6, and is provided with the spill ring 9 that can hold encapsulant 8 on this circle;
---be provided with in the downside of above-mentioned lid and enclose 10 with second of blowout preventer mouth snapping, this circle is provided with sealing and with the spill ring 11 of blowout preventer mouth outer wall fastening, more can improve supporting the use of shut-in well air pressure lid and blowout preventer further.
Claims (4)
1. a blowout preventer gland, is characterized in that: be made up of disc lid;
The central part of described lid is provided with well casing socket,
The downside of described lid is provided with the spill annulus with blowout preventer mouth snapping,
Described lid border is evenly provided with bolt fixing hole.
2. a kind of blowout preventer gland according to claim 1, is characterized in that: the cylinder circle being provided with fixing described well casing on the limit, hole of described well casing socket.
3. a kind of blowout preventer gland according to claim 2, is characterized in that: described cylinder circle is provided with the spill ring that can hold encapsulant.
4. a kind of blowout preventer gland according to claim 1, is characterized in that: be provided with in the downside of described lid and enclose with second of described blowout preventer mouth snapping, and this circle is provided with spill ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520422774.3U CN204691719U (en) | 2015-06-18 | 2015-06-18 | A kind of blowout preventer gland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520422774.3U CN204691719U (en) | 2015-06-18 | 2015-06-18 | A kind of blowout preventer gland |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204691719U true CN204691719U (en) | 2015-10-07 |
Family
ID=54232022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520422774.3U Expired - Fee Related CN204691719U (en) | 2015-06-18 | 2015-06-18 | A kind of blowout preventer gland |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204691719U (en) |
-
2015
- 2015-06-18 CN CN201520422774.3U patent/CN204691719U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20210618 |