CN204476342U - A kind of shaft collar of gas storage well - Google Patents
A kind of shaft collar of gas storage well Download PDFInfo
- Publication number
- CN204476342U CN204476342U CN201520119508.3U CN201520119508U CN204476342U CN 204476342 U CN204476342 U CN 204476342U CN 201520119508 U CN201520119508 U CN 201520119508U CN 204476342 U CN204476342 U CN 204476342U
- Authority
- CN
- China
- Prior art keywords
- well head
- end plug
- well
- screw shell
- sealing ring
- 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
Links
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model relates to a kind of shaft collar of gas storage well, comprises well head screw shell, well head end plug, well head joint pressure cap, first end plug sealing ring, the second end plug sealing ring and intake and exhaust joint; Described well head screw shell is threaded with the surface pipe on well casing; Described well head screw shell is connected by well head joint pressure cap with between well head end plug; The fitting face top and bottom of described well head screw shell and well head end plug are respectively equipped with first end plug sealing ring and the second end plug sealing ring; Described intake and exhaust joint is connected with well head end plug through well head joint pressure cap; Described intake and exhaust joint is four-way connection; Described intake and exhaust joint is provided with air inlet/outlet, leakage fluid dram and mouth for subsequent use; The material of described well head screw shell, well head end plug and well head joint pressure cap is the shaft collar of structural alloy steel, gas storage well of the present utility model, and its structure is simple, and cost of production is low, easy disassembly, good seal performance, ensure that the safe handling of gas storage well.
Description
Technical field
The utility model relates to a kind of shaft collar, particularly relates to a kind of shaft collar for gas storage well.
Background technology
The shaft collar of existing well for storage adopts a kind of flange arrangement mostly, it can realize repeated removal, but needs mounting flange, flange and a forging for connecting tubes, simultaneously, flange needs multiple bolt is installed, such structure consumptive material is many and heavy, and cost of production is high, installation and removal inconvenience, and the poor sealing of flange arrangement, easily cause contingency, affect the safe handling of gas storage well, actual needs can not be met.
Utility model content
The utility model object provides a kind of structure simple to overcome the deficiencies in the prior art, the low and shaft collar of the gas storage well of good airproof performance of cost of production.
For achieving the above object, the technical solution adopted in the utility model is: a kind of shaft collar of gas storage well, comprises well head screw shell, well head end plug, well head joint pressure cap, first end plug sealing ring, the second end plug sealing ring and intake and exhaust joint; Described well head screw shell is threaded with the surface pipe on well casing; Described well head screw shell is connected by well head joint pressure cap with between well head end plug; The fitting face top and bottom of described well head screw shell and well head end plug are respectively equipped with first end plug sealing ring and the second end plug sealing ring; Described intake and exhaust joint is connected with well head end plug through well head joint pressure cap.
Preferably, described intake and exhaust joint is four-way connection; Described intake and exhaust joint is provided with air inlet/outlet, leakage fluid dram and mouth for subsequent use.
Preferably, the material of described well head screw shell, well head end plug and well head joint pressure cap is structural alloy steel.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages: the shaft collar of the gas storage well of the utility model scheme, its structure is simple, easy disassembly, and good seal performance, cost of production is low, ensure that the safe handling of gas storage well, meets actual user demand.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further.
Accompanying drawing 1 is the structural representation of the shaft collar of the utility model gas storage well.
Accompanying drawing 2 is the partial enlarged drawing of accompanying drawing 1.
Accompanying drawing 3 is the partial enlarged drawing of accompanying drawing 1.
Wherein: 1, well head screw shell; 2, well head end plug; 3, well head joint pressure cap; 4, first end plug sealing ring; 5, the second end plug sealing ring; 6, intake and exhaust joint; 7, air inlet/outlet; 8, leakage fluid dram; 9, mouth for subsequent use; 10, well casing; 11, surface pipe; 12, low head; 13, blow-off pipe.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
The shaft collar of described in the utility model a kind of gas storage well as illustrated in the accompanying drawings from 1 to 3, comprises well head screw shell 1, well head end plug 2, well head joint pressure cap 3, first end plug sealing ring 4, second end plug sealing ring 5 and intake and exhaust joint 6; Described well head screw shell 1 is threaded with the surface pipe 11 on well casing 10; Described well head screw shell 1 is connected by well head joint pressure cap 3 with between well head end plug 2; Described well head screw shell 1 is respectively equipped with first end plug sealing ring 4 and the second end plug sealing ring 5 with the fitting face top and bottom of well head end plug 2; Described intake and exhaust joint 6 is connected with well head end plug 2 through well head joint pressure cap 3; Described intake and exhaust joint 6 is four-way connection; Described intake and exhaust joint 6 is provided with air inlet/outlet 7, leakage fluid dram 8 and mouth for subsequent use 9; The material of described well head screw shell 1, well head end plug 2 and well head joint pressure cap 3 is structural alloy steel.
The shaft collar of described in the utility model a kind of gas storage well as illustrated in the accompanying drawings from 1 to 3, it adopts well head screw shell to be threaded with the surface pipe on well casing, and be pressed together between well head screw shell and well head end plug by well head joint pressure cap, form one wiper seal, the upper end of well head screw shell and well head end plug fitting face is provided with first end plug sealing ring and constitutes the first seal group simultaneously, the lower end of well head screw shell and well head end plug fitting face is provided with the second end plug sealing ring and constitutes the second seal group, thus ensure that the sealing of the shaft collar of gas storage well, ensure that the safe handling of gas storage well, and avoid use flange arrangement, improve sealing performance, reduce cost of production.
The shaft collar of gas storage well as above, is provided with low head below its well casing, and is also provided with blow-off pipe below well casing.
The shaft collar of gas storage well of the present utility model, its structure is simple, and cost of production is low, and easy disassembly, good seal performance, ensure that the safe handling of gas storage well, meets actual user demand.
Below be only embody rule example of the present utility model, protection domain of the present utility model is not constituted any limitation.The technical scheme that all employing equivalents or equivalence are replaced and formed, all drops within the utility model rights protection scope.
Claims (3)
1. a shaft collar for gas storage well, is characterized in that: comprise well head screw shell, well head end plug, well head joint pressure cap, first end plug sealing ring, the second end plug sealing ring and intake and exhaust joint; Described well head screw shell is threaded with the surface pipe on well casing; Described well head screw shell is connected by well head joint pressure cap with between well head end plug; The fitting face top and bottom of described well head screw shell and well head end plug are respectively equipped with first end plug sealing ring and the second end plug sealing ring; Described intake and exhaust joint is connected with well head end plug through well head joint pressure cap.
2. the shaft collar of gas storage well according to claim 1, is characterized in that: described intake and exhaust joint is four-way connection; Described intake and exhaust joint is provided with air inlet/outlet, leakage fluid dram and mouth for subsequent use.
3. the shaft collar of gas storage well according to claim 2, is characterized in that: the material of described well head screw shell, well head end plug and well head joint pressure cap is structural alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119508.3U CN204476342U (en) | 2015-02-28 | 2015-02-28 | A kind of shaft collar of gas storage well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119508.3U CN204476342U (en) | 2015-02-28 | 2015-02-28 | A kind of shaft collar of gas storage well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204476342U true CN204476342U (en) | 2015-07-15 |
Family
ID=53632144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520119508.3U Expired - Fee Related CN204476342U (en) | 2015-02-28 | 2015-02-28 | A kind of shaft collar of gas storage well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204476342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692033A (en) * | 2017-04-12 | 2018-10-23 | 中国石油化工股份有限公司 | A kind of control device of well head acquisition oil gas sample |
-
2015
- 2015-02-28 CN CN201520119508.3U patent/CN204476342U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692033A (en) * | 2017-04-12 | 2018-10-23 | 中国石油化工股份有限公司 | A kind of control device of well head acquisition oil gas sample |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204002674U (en) | A kind of metallic combination sealing shroud tube head | |
| CN204476342U (en) | A kind of shaft collar of gas storage well | |
| CN204476341U (en) | A kind of high sealability well for storage | |
| CN103629387A (en) | Large-caliber upwardly-installed fixed ball valve | |
| CN205350705U (en) | Stable form blind plate | |
| CN203068044U (en) | All-external-pressure balance corrugated compensator | |
| CN205191010U (en) | Take threaded for union of lens washer | |
| CN203657978U (en) | Novel floating head heat exchanger pressure test tool | |
| CN205297442U (en) | Fracturing, gas production metal seal's for well head tubing hanger | |
| CN203964756U (en) | A kind of sealing device for heat exchanger | |
| CN201930855U (en) | Casting-type spiral nozzle | |
| CN202812216U (en) | Three-valve manifold | |
| CN203604761U (en) | End cover of switching valve | |
| CN205065165U (en) | Flange blind plate | |
| CN204115702U (en) | Safety valve effective sealing diameter inquiry unit | |
| CN204717015U (en) | Refrigeration plant straight-through stop valve | |
| CN204512557U (en) | Double-sealing tyre valve | |
| CN204182884U (en) | A kind of serial connection point cooling central tube transformational structure | |
| CN204828681U (en) | Cooling right -angle type stop valve of industry | |
| CN201964014U (en) | Cross valve special for alcoholization oil | |
| CN201711504U (en) | Cooler of crystallizer | |
| CN202597754U (en) | Ball valve structure | |
| CN207830664U (en) | A kind of air valve heat exchange gland | |
| CN202769157U (en) | High-sealing, corrosion resistant non-metallic compensator | |
| CN203600541U (en) | Side pressure type sealing water jacket component |
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 |
Granted publication date: 20150715 Termination date: 20170228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |