CN206600153U - A kind of Telescopic continuous flushing device - Google Patents
A kind of Telescopic continuous flushing device Download PDFInfo
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- CN206600153U CN206600153U CN201720306523.8U CN201720306523U CN206600153U CN 206600153 U CN206600153 U CN 206600153U CN 201720306523 U CN201720306523 U CN 201720306523U CN 206600153 U CN206600153 U CN 206600153U
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- China
- Prior art keywords
- piston
- spline
- flushing device
- pump barrel
- continuous flushing
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Abstract
The utility model provides a kind of Telescopic continuous flushing device, and sand flushing device includes pump barrel, piston, pitch brace, and the piston is placed in pump barrel, and pitch brace is connected to piston upper end, and the piston, pitch brace offer the axial passage of hollow insertion.The pump barrel upper end is provided with spline housing, the pitch brace upper end connects top connection, and the spline housing upper surface sets upper spline, and the top connection lower surface sets lower spline, when piston falls on pump barrel bottom, together with the upper spline of spline housing is mutually twisted with the lower spline of top connection.The characteristics of the utility model possesses simplified well head outfit, closed sand removal, salvages small falling object in well, mitigate operative employee's labor intensity, improve operation timeliness.For realizing that underground work is safe efficient, clean manufacturing has great significance.
Description
Technical field
The utility model is related to oil field oil, well sand washing well workover technology, especially a kind of Telescopic continuous flushing device.
Background technology
Due to oil reservoir loose cementation, production well proration is unreasonable or improper measures easily cause sand production.Sand production
Afterwards, if liquid stream in well can not be by the whole bands of sand grains to ground, sand is gradually deposited in well, and sand post increases, and blocks fuel-displaced logical
Road, makes the oil well underproduction or even stopping production.Usual workover treatment takes conventional sand washing mode to carry out sand removal.Conventional sand washing is by flexible pipe
Line connection sand washing is single, single by switching sand washing, carries out rinsing sand in well using ground matching vehicle group, and follow by setting up
Ring passage, gravel in well is carried to the technology on ground.There is following drawback in work progress in conventional sand washing：
1st, sand washing 10m need to put 3, oil pipe, and labor strength is big.
2nd, switch single well head and overflow sand cleaning fluid, workmen easily slips.
It can not be circulated when the 3rd, switching single, easily cause sand setting bit freezing.
4th, conventional sand washing method processing mode is single, can not realize in the case of the debris such as broken rubber and beats for existing in pit shaft
Purpose is dragged for, can also cause to be hampered, the fortuitous event such as bit freezing.
5th, nitrogen foam construction because safety requirements it is higher, well mouth oil pipe and car group, which are connected, needs hard tube line, therefore
It can not realize and switch single.
By retrieval, application number is found：00258713.0 applying date：2000-10-19 discloses a kind of Strong sand washing device,
Include top connection, overcoat, telescoping tube, blocker ring.Top connection is connected to the upper end of overcoat, and blocker ring is connected under overcoat
End, telescoping tube is arranged in the endoporus of blocker ring, and connection ring is provided with outside telescoping tube upper end, and connection ring is located in overcoat endoporus,
And can be slided between top connection lower end and blocker ring upper end.Its telescoping tube can be in the case where fluid power be acted on as sand face one is removed
Drop, tubing string is moved without in well head again, realizes continuous quick sand washing.It also has simple in construction, the flexible advantage of operation.
Technology disclosed above, although disclose as sand face declines together, tubing string is moved without in well head again, but with the application
Compare, the technical problem that the technology is solved not also imperfection comprehensively, the operation principle of whole technical scheme and the application are not yet
Identical, first, the telescoping tube of the application is a piston structure, and pump barrel wants connected pipes and pipe shoe etc. further below, to lean on this
The gravity of the counterweight tubing strings such as a little pump barrel, oil pipe, pipe shoes is gradually elongated downwards, and one side sand washing face declines, while by gravity it is slow with
With sand face, sand washing stablizes safe and reliable, and the operation principle of prior art is that have individual resistance end face by telescoping tube top, then liquid
Power is pressurizeed to end face, and telescoping tube can decline elongation immediately, can cause also just to pierce the defect of sand face bottom without made sand face, right
The requirement of fluid power is than larger, and the application piston structure does not have influence on fluid power, as long as adjusting fluid power according to gravity decrease speed
Sand washing, using reliable and stable.And the application bottom can connect a pipe shoe, pass through spline housing and the spline of top connection
Connection coordinate, when sand washing is hampered, can pressurize rotation tubing string, improve construction validity.Improve current sand washing
Because caused by junk in well tubing string be hampered, meet stifled the drawbacks of, realize during oil-water well sand wash to the trapping of small falling object in well, beat
Purpose is dragged for, sand washing one-time success rate is improved.Above prior art can not solve this technical problem.
Utility model content
The purpose of this utility model is to provide a kind of Telescopic continuous flushing device, possesses simplified well head outfit, closed
In sand removal, salvaging well the characteristics of small falling object, mitigation operative employee labor intensity, raising operation timeliness.For realizing underground work
Safe efficient, clean manufacturing has great significance.
The purpose of this utility model can be achieved by the following technical measures：
The Telescopic continuous flushing device includes pump barrel, piston, pitch brace, and the piston is placed in pump barrel, and piston is drawn
Bar is connected to piston upper end, and the piston, pitch brace offer the axial passage of hollow insertion.
The purpose of this utility model can be also achieved by the following technical measures：
The pump barrel upper end is provided with spline housing, and the pitch brace upper end connects top connection, the spline housing upper surface
Upper spline is set, and the top connection lower surface sets lower spline, when piston falls on pump barrel bottom, the upper spline of spline housing with it is upper
The lower spline of joint is mutually twisted together.
The spline housing inwall offers the shoulder for preventing that piston from deviating from.
The spline housing inwall is provided with the sealing structure for being sealed in pitch brace outer wall.
The pump barrel lower end connects lower contact.
The pump barrel lower end passes through lower contact connected pipes section, the pipe shoe joint of oil pipe section lower end connection pipe shoe upper end.
The pipe shoe is duck-beak type pipe shoe, pipe shoe joint that the pipe shoe includes being sequentially connected from top to bottom, upper shell, is turned over
Plate joint, lower shell.
The turnover panel joint is hinged with turnover panel, and turnover panel is towards upper shell inner chamber.
The lower shell opens up the tiltedly upper window of radial direction.
The lower shell bottom sets a duck-beak type opening.
The utility model has the advantages that：
The tripping in Telescopic continuous flushing device in sand-flushing pipe column, continuous high-efficient sand washing mesh is can be achieved by the circulation of liquid stream
's.According to different pit shaft situations, targetedly pipe shoe and pipe string combination are designed, continuous high-efficient sand washing, sand washing can be achieved and salvages one
The different technique purposes such as body, the trapping of broken junk, closed sand washing.Because telescopic continuous flushing sand tubular column is in sand washing process
In, well head need not switch single, and wellhead manifold can connect Ground Vehicle group using hard tube line, carry out nitrogen foam sand washing.
Duck-beak type pipe shoe one is to increase external diameter to prevent big set pipe construction well from due to the rat hole of drawing that undershoot excessive velocities are caused showing
As that can prevent that visiting the overweight tubing string caused in sand face blocks；Two be that small falling object in well can be salvaged.
Telescoping tube is in contraction state during tubing string visits sand face, as liquid stream is circulated, sand washing depth down, telescoping tube
Progressively it is opened, without carrying out switching single operation, realizes continuous high-efficient sand washing.
Spline housing can transmit moment of torsion by spline fitted, realize that pressurization rotates the purpose of tubing string.
Operation principle：By the telescopic continuous flushing sand tubular column of tripping in, the pressurization of sand face is visited, telescoping tube is in compressive state；Turn on pump
During circulation well cleanup, decline with sand face, telescoping tube pulls open extension under the effect of counterweight tubing string, single without switching, you can real
Existing continuous sand flushing, is equipped with duck-beak type pipe shoe and realizes sand washing fishing integrated.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Telescopic continuous flushing device of the utility model；
Fig. 2 is duck-beak type pipe shoe structure chart.
In figure：Top connection 1, spline housing 2, pitch brace 3, piston 4, pump barrel 5, lower contact 6, pipe shoe joint 7, upper shell 8,
Turnover panel joint 9, tiltedly lower shell 10, upper window 11.
Embodiment
Relevant detailed description of the present utility model and technology contents, coordinate brief description of the drawings as follows, but accompanying drawing is only reference
With purposes of discussion, not for being any limitation as to the utility model.
As shown in accompanying drawing 1 to 2, a kind of Telescopic continuous flushing device includes pump barrel 5, piston 4, pitch brace 3, the work
Plug in pump barrel, pitch brace 3 is connected to piston upper end, the piston 4, pitch brace 3 offer the axle of hollow insertion
To passage.The pump barrel upper end is provided with spline housing 2, and the pitch brace upper end connects top connection 1, the spline housing upper surface
Upper spline is set, and the top connection lower surface sets lower spline, when piston falls on pump barrel bottom, the upper spline of spline housing with it is upper
The lower spline of joint is mutually twisted together.The spline housing inwall offers the shoulder for preventing that piston from deviating from.The spline housing 2
Inwall is provided with the sealing structure for being sealed in pitch brace outer wall.
The pump barrel lower end connects lower contact 6.The pump barrel lower end is connected by lower contact connected pipes section, oil pipe section lower end
The pipe shoe joint of adapter footwear upper end.The pipe shoe is duck-beak type pipe shoe, and the pipe shoe includes the pipe shoe being sequentially connected from top to bottom
Joint 7, upper shell 8, turnover panel joint 9, lower shell 10.The turnover panel joint is hinged with turnover panel, and turnover panel is towards upper shell inner chamber.Institute
State the tiltedly upper window 11 that lower shell opens up radial direction.
There is lower contact in pump barrel bottom, for being attached between telescoping tube, piston 4, pitch brace 3 pass through screwed connection
It is placed within pump barrel 5, spline housing component is connected respectively on pump barrel 5 and pitch brace 3, can effectively prevents piston from pump barrel
Abjection.Duck-beak type pipe shoe bottom be in duckbill opening, and it is supporting windowing and welding-on steel wire, implement drifting process when, pit shaft is miscellaneous
Thing enters inside fishing socket, and pit shaft junk will not above be carried again under duckbilled opening, windowing and welding-on steel wire collective effect with tubing string
It is secondary to be retained in pit shaft, realize the salvaging purpose to pit shaft junk.
During going into the well, piston 4 and pitch brace are in pump barrel 5 topmost, and telescoping tube arrives sand in state is pulled open until visiting
Face, then visits the pressurization of sand face, and piston 4 and pitch brace are in the bottom of pump barrel 5, telescoping tube retraction, in compressive state, well-flushing mistake
Cheng Zhong, is gradually reduced with sand face, is progressively pulled open pump barrel with piston under the effect of counterweight tubing string, then duck-beak type pipe shoe progressively adds
It is deep, realize high-efficiency and continuous sand washing.Coordinated by spline housing 2, when sand washing is hampered, can pressurize rotation tubing string, improved
Construction validity.Because telescopic continuous flushing sand tubular column is during sand washing, well head need not switch single, can be connected using hard tube line
Ground plane car group, carries out nitrogen foam sand washing.
1st, single present situation can not be switched by having transformed conventional sand washing, when realizing mitigation operative employee labor intensity, lifting operation
The purpose of effect.
2nd, improve current sand washing because caused by junk in well tubing string be hampered, meet stifled the drawbacks of, realize oil-water well sand wash process
In to the trapping of small falling object in well, salvage purpose, improve sand washing one-time success rate.
3rd, the soft pipeline connection design of conventional sand washing has been transformed, the effect of nitrogen foam continuous sand flushing is realized.
4th, oil, the construction of well sand washing operation closed, oil, well sand washing is pollution-free operating rate 100% are realized.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the scope of the claims of the present utility model, its
He uses the equivalence changes of the utility model patent spirit, all should all belong to the scope of the claims of the present utility model.
Claims (10)
1. a kind of Telescopic continuous flushing device, it is characterised in that including pump barrel, piston, pitch brace, the piston is placed in pump
In cylinder, pitch brace is connected to piston upper end, and the piston, pitch brace offer the axial passage of hollow insertion.
2. a kind of Telescopic continuous flushing device according to claim 1, it is characterised in that the pump barrel upper end is provided with
Spline housing, the pitch brace upper end connects top connection, and the spline housing upper surface sets upper spline, the top connection lower surface
Lower spline is set, when piston falls on pump barrel bottom, together with the upper spline of spline housing is mutually twisted with the lower spline of top connection.
3. a kind of Telescopic continuous flushing device according to claim 2, it is characterised in that the spline housing inwall is opened up
There is the shoulder for preventing that piston from deviating from.
4. a kind of Telescopic continuous flushing device according to claim 3, it is characterised in that the spline housing inwall is set
There is the sealing structure for being sealed in pitch brace outer wall.
5. a kind of Telescopic continuous flushing device according to claim 1, it is characterised in that under the pump barrel lower end connection
Joint.
6. a kind of Telescopic continuous flushing device according to claim 1, it is characterised in that the pump barrel lower end is under
Joint connected pipes section, the pipe shoe joint of oil pipe section lower end connection pipe shoe upper end.
7. a kind of Telescopic continuous flushing device according to claim 6, it is characterised in that the pipe shoe is duck-beak type pipe
Footwear, the pipe shoe includes pipe shoe joint, upper shell, turnover panel joint, the lower shell being sequentially connected from top to bottom.
8. a kind of Telescopic continuous flushing device according to claim 7, it is characterised in that the turnover panel joint is hinged with
Turnover panel, turnover panel is towards upper shell inner chamber.
9. a kind of Telescopic continuous flushing device according to claim 7, it is characterised in that the lower shell is opened up radially
Tiltedly upper window.
10. a kind of Telescopic continuous flushing device according to claim 7, it is characterised in that the lower shell bottom is set
Put a duck-beak type opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720306523.8U CN206600153U (en) | 2017-03-27 | 2017-03-27 | A kind of Telescopic continuous flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720306523.8U CN206600153U (en) | 2017-03-27 | 2017-03-27 | A kind of Telescopic continuous flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206600153U true CN206600153U (en) | 2017-10-31 |
Family
ID=60145864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720306523.8U Expired - Fee Related CN206600153U (en) | 2017-03-27 | 2017-03-27 | A kind of Telescopic continuous flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206600153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661579A (en) * | 2017-03-27 | 2018-10-16 | 中国石油化工股份有限公司 | A kind of Telescopic continuous flushing device and method |
-
2017
- 2017-03-27 CN CN201720306523.8U patent/CN206600153U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661579A (en) * | 2017-03-27 | 2018-10-16 | 中国石油化工股份有限公司 | A kind of Telescopic continuous flushing device and method |
| CN108661579B (en) * | 2017-03-27 | 2023-12-12 | 中国石油化工股份有限公司 | Telescopic continuous sand washing device and method |
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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 |
Granted publication date: 20171031 Termination date: 20190327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |