CN208934654U - A kind of freeze-proof anti-theft pressure-taking sampling valve - Google Patents
A kind of freeze-proof anti-theft pressure-taking sampling valve Download PDFInfo
- Publication number
- CN208934654U CN208934654U CN201821514845.2U CN201821514845U CN208934654U CN 208934654 U CN208934654 U CN 208934654U CN 201821514845 U CN201821514845 U CN 201821514845U CN 208934654 U CN208934654 U CN 208934654U
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- valve body
- screw thread
- spool
- gland
- theft
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Abstract
A kind of freeze-proof anti-theft pressure-taking sampling valve, including valve body, spool, gland, anti-theft ring, the valve inner has valve body internal screw thread, the spool is equipped with spool external screw thread, the spool external screw thread is connected through a screw thread valve body internal screw thread, the spool has sealed groove, sealing ring is connected inside the sealed groove, there is valve body epicoele on the upside of the valve body, the sealing ring is contacted with valve body epicoele, the spool lower part has polished rod, the polished rod lower end has cone, the valve body lower end has pressure tapping, there is screw thread under valve body inside the pressure tapping, there is on the upside of screw thread sample outlet hole under the valve body, the sample outlet hole and pressure tapping are vertically downward, the sample outlet hole connects cone, the valve body upper outside has screw thread on valve body, gland screw thread is equipped on the inside of the gland, the gland is threaded through screw thread Connect screw thread on valve body.
Description
Technical field
The utility model relates to field of oil field oil extraction more particularly to a kind of freeze-proof anti-theft pressure-taking sampling valves.
Background technique
At present in oil extraction process of oil well, sampling and admission pressure are essential links.At low ambient temperatures, Gao Han
Well has liquid during sampling pressure and remains in the cavity of sampling valve on hole top import, outlet, its knot is caused under low temperature
Freeze, block sampling valve, to seriously affect next sub-sampling and pressure recording, field worker can only by being poured with hot water or
With the methods of the baked wheaten cake of violation, it is easy to cause fire, there are security risks, while can also increase the amount of labour, and it is normal to influence oil field
Production.
Utility model content
The utility model In view of the above shortcomings of the prior art, provides and (especially exists under a kind of outdoor low temperature environment
Cold winter) sampling valve can be with opening a kind of freeze-proof anti-theft pressure-taking sampling valve taken.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of freeze-proof anti-theft pressure-taking sampling valve, including valve body, spool, gland, anti-theft ring, the valve inner have in valve body
Screw thread, the spool are equipped with spool external screw thread, and the spool external screw thread is connected through a screw thread valve body internal screw thread, and the spool has
Sealed groove, the sealed groove inside connect sealing ring, have valve body epicoele, the sealing ring and valve body on the upside of the valve body
Epicoele contact, the spool lower part have polished rod, and the polished rod lower end has cone, and the valve body lower end connects with pressure gauge
Head has screw thread under valve body inside the pressure tapping, has sample outlet hole under the valve body on the upside of screw thread, the sample outlet hole and
Vertically downward, the sample outlet hole connects cone for pressure tapping, and the valve body upper outside has screw thread on valve body, the gland
Inside is equipped with gland screw thread, and the gland, which is threaded through, is threadedly coupled screw thread on valve body, and the anti-theft circular sleeve is on the outside of gland, valve
Body connected pipes.
The gland upper end is equipped with Anti-theft wrench hole, and the Anti-theft wrench hole and the general sampling spanner in oil field are adapted, institute
It states spool upper end to switch equipped with rectangle, the rectangle switch is adapted with the general sampling spanner in oil field, the general sampling in oil field
Spanner is sequentially connected Anti-theft wrench hole, rectangle switch, and the valve body is equipped with valve body hollow cavity, and hollow cavity is equipped with through-hole.
The utility model has the advantages that
1, the utility model sampling valve is embedded in oil pipe, the sampling valve overwhelming majority in oil pipe, guarantee sampling valve not with
Extraneous low temperature environment contact, valve body is interior to be not present hydrops space, does not need to be vented before sampling, is not in freeze and block up after sampling
Fill in phenomenon.
2, the utility model is connect using gland with valve body screw thread, and has anti-theft circular sleeve on the outside of gland, and use is dedicated
Tool could install or remove gland, and the only general sampling spanner in oil field could pass through, and spool rectangle switch be merely able to
The general sampling spanner in oil field matches, and can open or close sampling valve by rotation, have anti-theft function.
3, the sample outlet hole of the utility model and cone use linear sealing, good airproof performance, and sample outlet hole vertically downward, samples
Afterwards, liquid will not can block sample outlet hole under the influence of gravity.
4, the lower part of the utility model valve body is equipped with pressure tapping, can be threadedly coupled with pressure gauge, at low ambient temperatures
Pressure can be enrolled.
5, the utility model mitigates the difficulty of winter pressure recording and sampling, avoids subtracting using violation operations such as baked wheaten cakes
Few labor intensity of workers, and structure is simple, is easily installed, save the cost.
Detailed description of the invention
Fig. 1 is valve body structure diagrammatic cross-section described in the utility model.
Fig. 2 is valve core structure schematic diagram described in the utility model.
Fig. 3 is gland structure schematic diagram described in the utility model.
Fig. 4 is gland top view described in the utility model.
Fig. 5 is anti-theft ring structural schematic diagram described in the utility model.
Fig. 6 is freeze-proof anti-theft pressure-taking sampling valve structural profile illustration described in the utility model.
Specific embodiment
The utility model is described in further detail below according to drawings and examples:
A kind of freeze-proof anti-theft pressure-taking sampling valve, including valve body 1, spool 2, gland 3, anti-theft ring 4 have inside the valve body 1
Valve body internal screw thread 7, the spool 2 are equipped with spool external screw thread 14, and the spool external screw thread 14 is connected through a screw thread valve body internal screw thread
7, the spool 2 has sealed groove 13, and sealing ring 19 is connected inside the sealed groove 13, has valve on the upside of the valve body 1
Body epicoele 5, the sealing ring 19 are contacted with valve body epicoele 5, and 2 lower part of spool has polished rod 15,15 lower end of the polished rod tool
There is cone 16,1 lower end of valve body has pressure tapping 11, has screw thread under valve body inside the pressure tapping 11
10, there is under the valve body sample outlet hole 9 on the upside of screw thread 10, the sample outlet hole 9 and pressure tapping 11 vertically downward, it is described go out sample
Hole 9 connects cone 16, and 1 upper outside of valve body has screw thread 6 on valve body, is equipped with gland screw thread 18, institute on the inside of the gland 3
It states gland screw thread 18 and is connected through a screw thread screw thread 6 on valve body, 4 sets of the anti-theft ring in 3 outside of gland, 1 connected pipes 20 of valve body.
3 upper end of gland is equipped with Anti-theft wrench hole 17, and the Anti-theft wrench hole 17 is mutually fitted with the general sampling spanner in oil field
It answers, 2 upper end of spool is equipped with rectangle switch 12, and the rectangle switch 12 is adapted with the general sampling spanner in oil field, the oil
The general sampling spanner in field is sequentially connected Anti-theft wrench hole 17, rectangle switch 12, and the valve body 1 is equipped with valve body hollow cavity 8, hollow cavity
Equipped with through-hole.
Gland 3 is connect with screw thread 6 on valve body, and has 4 sets of anti-theft ring in 3 outside of gland, can only use specific purpose tool
Can remove, there is an Anti-theft wrench hole 17 in 3 upper end of gland, only the general sampling spanner in oil field can be opened by Anti-theft wrench hole 17,
Close this sampling valve.The general sampling spanner in the usable oil field of rectangle switch 12 of 2 upper end of spool carries out axial-rotation, by 2 phase of spool
Valve body 1 is moved in vertical direction.It is set on spool 2 there are two sealed groove 13, there are two sealing rings on sealed groove 13
19, sealing ring 19 and the cooperation of valve body epicoele 5 seal up 1 top of valve body.The cone 16 of 2 lower end of spool is as spool 2 is to moving down
It is dynamic, and contacted with the sample outlet hole of valve body 19, linear sealing is formed, 1 lower part of valve body is sealed up.Valve body 1 is embedded in oil pipe 20, valve body
1 is welded to connect with oil pipe 20, and valve body 1 is equipped with valve body hollow cavity 8, and valve body hollow cavity 8 is equipped with through-hole, and liquid can lead in oil pipe 20
Cross valve body hollow cavity 8.The pressure tapping 11 of valve body 1 vertically downward, there is screw thread 10 under valve body in pressure tapping 11, can be with pressure
Power table is threadedly coupled.Sample outlet hole 9 forms sealing when contacting with cone 16, when sample outlet hole 9 and cone 16 are detached from, oil pipe 20
Interior liquid can pass through sample outlet hole 9.Polished rod 15 is cylindrical body, and 15 diameter of polished rod is much smaller than hollow cavity internal diameter.
The technical issues of the utility model is solved, technical solution and beneficial effect are described in order to be more clearly understood,
In conjunction with attached drawing and specific embodiment of the present invention, the present invention will be further described in detail.It should be appreciated that herein
Specific embodiment of the present utility model of description is only used for explaining the purpose of this utility model, and cannot manage in any way
Solution is at being limitations of the present invention.
As shown in Figs 1-4, a kind of freeze-proof anti-theft pressure-taking sampling valve includes valve body 1, spool 2, valve deck 3 and anti-theft ring 4.Valve body
There is valve body internal screw thread 7 inside 1, spool 2 is equipped with spool external screw thread 14, valve body 1 and spool 2 and passes through in spool external screw thread 14 and valve body
Screw thread 7 meshes together.There is sealing ring 19 in sealed groove 13 on spool 2, sealing ring 19 is contacted with valve body epicoele 5, is formed
Static seal is contacted, 1 top of valve body is sealed up.The cone 16 of spool 2 is contacted with the sample outlet hole 9 of valve body 1, forms linear sealing,
Seal up 1 lower part of valve body.4 sets of anti-theft ring has screw thread 6 on valve body on 3 outside of gland, 1 top of valve body, the gland screw thread with gland 3
18 are threadedly coupled.Valve body 1 and oil pipe 20 are welded to connect.
The utility model sampling valve is mounted on the oil well of China northeast or other outdoor temperature lower regions, oil well just
Often when work, sampling valve is closed, and the cone 16 of spool 2 is contacted with the sample outlet hole 9 of valve body 1, forms sealing, the liquid in oil pipe 20
Body can bypass polished rod 15 by the valve body hollow cavity 8 of valve body 1, smoothly flow through entire sampling valve, valve body 1 is interior, and there is no products
Liquid.In sampling, using the general sampling spanner in oil field, Anti-theft wrench hole 17 is passed through, is connect with rectangle switch 12, is ready to sample
Bucket rotates the general sampling spanner in oil field counterclockwise, and spool 2 is around axial-rotation, and spool 2 is with respect to 1 upward vertical movement of valve body, sealing
Circle 19 contacts always with valve body epicoele 5, and cone 16 and sample outlet hole 9 are detached from, and liquid is flowed out from sample outlet hole 9 in oil pipe 20, sampling
After, the general sampling spanner in oil field is rotated clockwise, spool 2 is with respect to 1 vertical downward movement of valve body, cone 16 and sample outlet hole
9 are contacted again to form sealing, and a small amount of liquid of sample outlet hole 9 and the attachment of 11 inner wall of pressure tapping can flow down under the effect of gravity.
When enrolling pressure, pressure gauge is threadedly coupled with pressure tapping 11, rotates the general sampling spanner in oil field counterclockwise, and spool 2 is opposite
1 upward vertical movement of valve body, cone 16 and sample outlet hole 9 are detached from, and liquid is transferred the pressure to by sample outlet hole 9 in oil pipe 20
In pressure gauge, pressure value is read, after pressure recording, rotates clockwise the general sampling spanner in oil field, spool 2 is vertical with respect to valve body 1
It moves downward, cone 16 and sample outlet hole 9 are contacted again to form sealing, pressure gauge are removed, in sample outlet hole 9 and pressure tapping 11
A small amount of liquid of wall attachment can flow down under the effect of gravity.All sites will not all remain in sampling and pressure recording rear valve body 1
Hydrops will not be generated and be freezed and clogging, at any time can sub-sampling and pressure recording again.
Claims (2)
1. a kind of freeze-proof anti-theft pressure-taking sampling valve, it is characterized in that: including valve body, spool, gland, anti-theft ring, the valve inner
There is valve body internal screw thread, the spool is equipped with spool external screw thread, and the spool external screw thread is connected through a screw thread valve body internal screw thread, described
Spool has sealed groove, and sealing ring is connected inside the sealed groove, has valve body epicoele, the sealing on the upside of the valve body
Circle is contacted with valve body epicoele, and the spool lower part has polished rod, and the polished rod lower end has cone, and the valve body lower end has
Pressure tapping, the pressure tapping inside has screw thread under valve body, has sample outlet hole under the valve body on the upside of screw thread, described
Vertically downward, the sample outlet hole connects cone for sample outlet hole and pressure tapping, and the valve body upper outside has screw thread on valve body,
Gland screw thread is equipped on the inside of the gland, the gland, which is threaded through, is threadedly coupled screw thread on valve body, and the anti-theft circular sleeve is being pressed
Outer side of lid, valve body connected pipes.
2. a kind of freeze-proof anti-theft pressure-taking sampling valve according to claim 1, it is characterized in that: the gland upper end is equipped with antitheft
Driving hole, the Anti-theft wrench hole and the general sampling spanner in oil field are adapted, and the spool upper end is switched equipped with rectangle, the square
Shape switch is adapted with the general sampling spanner in oil field, and the general sampling spanner in oil field is sequentially connected Anti-theft wrench hole, rectangle is opened
It closes, the valve body is equipped with valve body hollow cavity, and hollow cavity is equipped with through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821514845.2U CN208934654U (en) | 2018-09-17 | 2018-09-17 | A kind of freeze-proof anti-theft pressure-taking sampling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821514845.2U CN208934654U (en) | 2018-09-17 | 2018-09-17 | A kind of freeze-proof anti-theft pressure-taking sampling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208934654U true CN208934654U (en) | 2019-06-04 |
Family
ID=66721173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821514845.2U Expired - Fee Related CN208934654U (en) | 2018-09-17 | 2018-09-17 | A kind of freeze-proof anti-theft pressure-taking sampling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208934654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397974A (en) * | 2019-01-02 | 2020-07-10 | 中国石油天然气股份有限公司 | Sampling protection device and system |
-
2018
- 2018-09-17 CN CN201821514845.2U patent/CN208934654U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397974A (en) * | 2019-01-02 | 2020-07-10 | 中国石油天然气股份有限公司 | Sampling protection device and system |
| CN111397974B (en) * | 2019-01-02 | 2023-03-24 | 中国石油天然气股份有限公司 | Sampling protection device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190604 Termination date: 20200917 |