CN204252899U - Casing shaping device and bidirectional constant-pressure relief valve - Google Patents
Casing shaping device and bidirectional constant-pressure relief valve Download PDFInfo
- Publication number
- CN204252899U CN204252899U CN201420652175.6U CN201420652175U CN204252899U CN 204252899 U CN204252899 U CN 204252899U CN 201420652175 U CN201420652175 U CN 201420652175U CN 204252899 U CN204252899 U CN 204252899U
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- Prior art keywords
- ball
- ball cover
- valve
- ball seat
- cover
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- Expired - Fee Related
Links
- 238000007493 shaping process Methods 0.000 title claims abstract description 45
- 230000002457 bidirectional effect Effects 0.000 title abstract 4
- 238000004891 communication Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 description 10
- 238000005553 drilling Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model provides a sleeve shaping device and a bidirectional constant pressure relief valve, wherein the sleeve shaping device comprises an anchor, a bidirectional constant pressure relief valve and a shaping head which are sequentially connected from top to bottom, and the bidirectional constant pressure relief valve comprises an upper joint; the lower joint is connected below the upper joint; the valve body, the centre bore of top connection is located to the cover, run through along the axial in the valve body and have parallel first passageway and the second passageway that sets up at the interval, first passageway and second passageway communicate the centre bore of top connection and lower clutch respectively, first passageway internal fixation has first ball seat, first ball seat top is equipped with the first valve ball that can open or close first ball seat, the second passageway internal fixation has the second ball seat, second ball seat below is equipped with the second valve ball that can open or close the second ball seat, the below of second valve ball supports and leans on resilient means. The opening pressure of the two-way constant pressure relief valve is greater than that of the anchor, the two-way constant pressure relief valve is opened after the anchor is anchored, and then the shaping head works, so that the problem of pipe column footage is solved.
Description
Technical field
The utility model relates to casing shaping field, especially a kind of shaping head can be made to start working again after anchor grappling casing tube shaping device and two-way level pressure relief valve.
Background technology
Along with the deepening continuously of exploitation in oil field, inevitably there is the problem of oil well casing distortion, and then affect the normal production of oil well.Therefore, well workover becomes an important step in oil well daily management, hydraulic pressure sleeve pipe shaping technique is a kind of restorative procedure that its cost is minimum undoubtedly, but find in operation process when tubing string does not have grappling, shaping head is just started working, there is tubing string drilling depth situation, and then affect the rigidity of whole tubing string, easily damage multistage hydraulic propeller.
Because the defect that upper known technology exists, the design people by analysis, the reason of tubing string drilling depth is the starting pressure that the starting pressure of anchor is greater than shaping head, according to the Production design experience being engaged in this area and association area for many years, work out casing tube shaping device of the present utility model and two-way level pressure relief valve.
Utility model content
The purpose of this utility model is to provide a kind of casing tube shaping device and two-way level pressure relief valve, and can realize two-way level pressure relief valve after anchor grappling and just open, shaping head finally just works, and solves tubing string drilling depth problem.
For achieving the above object, the utility model proposes a kind of casing tube shaping device, described casing tube shaping device comprises the anchor connected successively, two-way level pressure relief valve and shaping head from top to bottom, and described two-way level pressure relief valve comprises: top connection, lower contact, is connected to below described top connection, valve body, be sheathed in the centre bore of described top connection, run through vertically in described valve body and have first passage and second channel, described first passage and the parallel and interval of second channel are arranged, and described first passage and second channel are communicated with the centre bore of described top connection and the centre bore of described lower contact respectively, wherein, described first passage internal fixtion has the first ball seat, first valve ball that can open or close described first ball seat is provided with above described first ball seat, described second channel internal fixtion has the second ball seat, second valve ball that can open or close described second ball seat is provided with below described second ball seat, the below of described second valve ball is against flexible device.
Casing tube shaping device as above, wherein, first ball cover spacing to described first valve ball is also provided with in described first passage, the sidewall of described first ball cover is cylindricality, the upper end of described first ball cover is provided with roof, lower end is uncovered, the roof of described first ball cover has the first through hole, the sidewall of described first ball cover has opening, described first through hole and described opening in communication, described first ball cover is sheathed on the uncovered towards described first ball seat of outside and described first ball cover of described first valve ball.
Casing tube shaping device as above, wherein, described first passage upper end is also fixed with the first ball cover pressure ring spacing to described first ball cover, and described first ball cover pressure ring is positioned at above described first ball cover.
Casing tube shaping device as above, wherein, the second ball cover is also provided with in described second channel, what described second ball cover can move up and down is arranged on below described second ball seat, above described elastic device, the sidewall of described second ball cover is cylindricality, the lower end of described second ball cover is provided with diapire, upper end is uncovered, the diapire of described second ball cover has the second through hole, the sidewall of described second ball cover has opening, described second through hole and described opening in communication, described second ball cover is sheathed on the uncovered towards described second ball seat of outside and described second ball cover of described second valve ball.
Casing tube shaping device as above, wherein, the lower end of described second channel is also fixed with spacing ring, and described elastic device is folded between described spacing ring and described second ball cover.
Casing tube shaping device as above, wherein, the upper end of described second channel is also fixed with the second ball seat pressure ring, and described second ball seat pressure ring is resisted against above described second ball seat.
The utility model also proposes a kind of two-way level pressure relief valve, and described two-way level pressure relief valve comprises: top connection, lower contact, is connected to below described top connection, valve body, be sheathed in the centre bore of described top connection, run through vertically in described valve body and have first passage and second channel, described first passage and the parallel and interval of second channel are arranged, and described first passage and second channel are communicated with the centre bore of described top connection and the centre bore of described lower contact respectively, wherein, described first passage internal fixtion has the first ball seat, first valve ball that can open or close described first ball seat is provided with above described first ball seat, described second channel internal fixtion has the second ball seat, second valve ball that can open or close described second ball seat is provided with below described second ball seat, the below of described second valve ball is against flexible device.
Two-way level pressure relief valve as above, wherein, first ball cover spacing to described first valve ball is also provided with in described first passage, the sidewall of described first ball cover is cylindricality, the upper end of described first ball cover is provided with roof, lower end is uncovered, the roof of described first ball cover has the first through hole, the sidewall of described first ball cover has opening, described first through hole and described opening in communication, described first ball cover is sheathed on the uncovered towards described first ball seat of outside and described first ball cover of described first valve ball.
Two-way level pressure relief valve as above, wherein, the second ball cover is also provided with in described second channel, what described second ball cover can move up and down is arranged on below described second ball seat, above described elastic device, the sidewall of described second ball cover is cylindricality, the lower end of described second ball cover is provided with diapire, upper end is uncovered, the diapire of described second ball cover has the second through hole, the sidewall of described second ball cover has opening, described second through hole and described opening in communication, described second ball cover is sheathed on the uncovered towards described second ball seat of outside and described second ball cover of described second valve ball.
Two-way level pressure relief valve as above, wherein, the lower end of described second channel is also fixed with spacing ring, and described elastic device is folded between described spacing ring and described second ball cover; The upper end of described second channel is also fixed with the second ball seat pressure ring, and described second ball seat pressure ring is resisted against above described second ball seat.
Feature and the advantage of casing tube shaping device of the present utility model and two-way level pressure relief valve are:
1, casing tube shaping device of the present utility model and two-way level pressure relief valve, the first passage be parallel to each other and second channel is provided with in its valve body, and opening direction the first ball seat is upwards set in first passage, the second ball seat that opening direction is downward is set in second channel, think that fluid provides upwards, the flow channel of downward both direction, and elastic device is set in second channel, to increase the opening pressure that two-way level pressure relief valve is opened downwards, because two-way level pressure relief valve is connected to below the anchor of casing tube shaping device, above shaping head, and the opening pressure of two-way level pressure relief valve is greater than the opening pressure of anchor, after anchor grappling, two-way level pressure relief valve is just opened, two-way level pressure relief valve is opened rear shaping head and is just started working, thus solve the problem of tubing string drilling depth.
2, casing tube shaping device of the present utility model, relative to prior art, adds two-way this fixed point of level pressure relief valve, because this increasing the rigidity of tubing string, contribute to re-shaping exercise is completed more smoothly, the carrying out of subsequent handling can not be affected simultaneously, do not increase difficulty of construction.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the schematic diagram of two-way level pressure relief valve of the present utility model;
Fig. 2 is the schematic diagram of the first ball cover in the utility model.
Critical element label declaration:
1 top connection 11 boss
2 valve bodies
3 first passages
31 first ball seat 32 first valve ball 33 first ball covers
34 first ball cover pressure ring 35 steps
4 second channels
41 second ball seat 42 second valve ball 43 second ball covers
44 elastic device 45 spacing ring 46 second ball seat pressure rings
47 annular protrusions
5 lower contacts
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
The utility model provides a kind of casing tube shaping device and two-way level pressure relief valve, this casing tube shaping device comprises the anchor (not shown) connected successively, two-way level pressure relief valve and shaping head (not shown) from top to bottom, and this two-way level pressure relief valve comprises top connection 1, valve body 2 and lower contact 5.Wherein, lower contact 5 is connected to below top connection 1; Valve body 2 is sheathed in the centre bore of top connection 1, run through vertically in valve body 2 and have first passage 3 and second channel 4, first passage 3 and the parallel and interval of second channel 4 are arranged, and first passage 3 is communicated with the centre bore of top connection 1 and the centre bore of lower contact 5, second channel 4 is communicated with the centre bore of top connection 1 and the centre bore of lower contact 5.Anchor and shaping head are prior art, therefore do not repeat.
As shown in Figure 1, wherein, first passage 3 internal fixtion has above the first ball seat 31, first ball seat 31 and is provided with first valve ball 32 that can open or close the first ball seat 31, to open or close first passage 3; Second channel 4 internal fixtion has below the second ball seat 41, second ball seat 41 and is provided with second valve ball 42 that can open or close the second ball seat 41, to open or close second channel 4; The below of the second valve ball 42 is against flexible device 44, when the centre bore by top connection 1 injects liquid and hydraulic coupling reaches certain value, hydraulic coupling drives the second valve ball 42 elasticity of compression device 44 to move down, and the second ball seat is opened, and second channel 4 is in connected state.Owing to being provided with elastic device 44, when hydraulic pressure reaches certain value, second channel could be opened, therefore this two-way level pressure relief valve possesses constant pressure turn on function, its opening pressure is made to be greater than the opening pressure of anchor, two-way level pressure relief valve is opened again after can realizing anchor grappling, after two-way level pressure relief valve unlatching, liquid remakes and starts working for shaping head, thus avoids occurring also not having grappling shaping head just to start the phenomenon of action, solves tubing string drilling depth problem.
Specifically, lower contact 5 is threaded in the lower end inside of top connection 1, top connection 1, lower contact 5 form a body substantially in cylindrical tube shape, this body has the centre bore that can pass through for liquid, valve body 2 is sheathed in the centre bore of top connection 1, and valve body 2 is resisted against between boss 11 on top connection 1 inwall and the top of lower contact 5, valve body is such as processed by a cylindrical steel ingot.The centre bore of the centre bore of top connection, second channel, lower contact forms the passage of downward liquid flow, i.e. pressurization passageway, the centre bore of the centre bore of lower contact, first passage, top connection forms the passage of liquid flows upwards, i.e. pressure release passage, under the pressure effect of the liquid upwards flowed, first valve ball 32 moves up, and first passage 3 is opened, and pressure is laid down.
As shown in Figure 2, in a specific embodiment, first ball cover 33 spacing to the first valve ball 32 is also provided with in first passage 3, the sidewall of the first ball cover 33 is cylindricality, pref. cylindrical, the upper end of the first ball cover 33 is provided with roof, lower end is uncovered, the roof of the first ball cover 33 has the first through hole, the sidewall of the first ball cover 33 has opening, the opening in communication of the first through hole and the first ball cover, to pass for liquid, the first ball cover 33 is sheathed on the uncovered towards the first ball seat 31 of outside and the first ball cover 33 of the first valve ball 32.Such as, when the first valve ball 32 drives the first ball cover 33 to move up, first passage is opened, and when on the boss 11 that the first ball cover is resisted against top connection 1 lower end inner wall, the first ball cover 33 and the first valve ball 32 stop mobile.
In a preferred technical scheme, first passage 3 upper end is also fixed with first ball cover pressure ring 34, the first ball cover pressure ring 34 spacing to the first ball cover 33 and is positioned at above the first ball cover 33.First ball cover pressure ring 34 is annular, and be threaded connection inside the upper end of first passage 3, be convenient to installation and removal, first ball cover 33 is resisted against between the first ball seat 31 and the first ball cover pressure ring 34, and between the roof of the first ball cover 33 and the first ball seat 31, form the mobile space of the first valve ball 32, during pressure release, under the driving of the liquid upwards flowed, the second valve ball 42 closes the second ball seat 41, namely second channel 4 is closed, first valve ball 32 moves up, and be resisted against on the roof of the first ball cover 33, first passage 3 is opened, and pressure is laid down.
In addition, the inwall of first passage 3 is formed with step 35, the first ball seat 31 is seated at above step 35.
As shown in Figure 1, in another specific embodiment, the second ball cover 43 is also provided with in second channel 4, what the second ball cover 43 can move up and down is arranged on below the second ball seat 41, above elastic device 44, the sidewall of the second ball cover 43 is cylindricality, pref. cylindrical, the lower end of the second ball cover 43 is provided with diapire, upper end is uncovered, the diapire of the second ball cover 43 has the second through hole, the sidewall of the second ball cover has opening, the opening in communication of the second through hole and the second ball cover, to pass for liquid, second ball cover 43 is sheathed on the uncovered towards the second ball seat 41 of outside and the second ball cover 43 of the second valve ball 42.When liquid is flowed downward by the centre bore of top connection, when fluid pressure reaches the opening pressure of the second ball seat 41, under the driving of hydraulic coupling, the elastic force that the second valve ball 42 overcomes elastic device promotes the second ball cover 43 and moves down, and second channel 4 is opened.Wherein the structure of the second ball cover 43 is identical with the structure of the first ball cover 33 in Fig. 2.
In a feasible technical scheme, the lower end of second channel 4 is also fixed with spacing ring 45, and elastic device 44 is folded between spacing ring 45 and the second ball cover 43.This spacing ring 45 is annular, and is threaded connection the lower end inside at second channel, and be convenient to installation and removal, elastic device 4 is resisted against between spacing ring 45 and the second ball cover 43, and elastic device 4 is such as spring, is convenient to make and install.
Again as shown in Figure 1, in the present embodiment, the upper end of second channel 4 is also fixed with the second ball seat pressure ring 46, second ball seat pressure ring 46 and is resisted against above the second ball seat 41.Second ball seat pressure ring 46 is annular, and be threaded connection inside the upper end of second channel, be convenient to installation and removal, in addition, the inwall of second channel also inwardly protrudes out and is formed with annular protrusion 47, the second ball seat 41 is seated at above this annular protrusion 47, and the second ball seat 41 is resisted against location below the second ball seat pressure ring 46, wherein the internal diameter of annular protrusion 47 is not less than the diameter of the second valve ball 42, is posted by the second ball seat 41 is closed by second ball seat 41 to allow the second valve ball 42.
Two-way level pressure relief valve of the present utility model is except being applied to casing tube shaping device, and can also be used in other needs level pressure to open passage, needs again the occasion of pressure release simultaneously.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.And it should be noted that, each ingredient of the present utility model is not limited in above-mentioned overall applicability, the each technical characteristic described in manual of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model covers other relevant with this case inventive point in the nature of things and combines and embody rule.
Claims (10)
1. a casing tube shaping device, is characterized in that, described casing tube shaping device comprises the anchor connected successively, two-way level pressure relief valve and shaping head from top to bottom, and described two-way level pressure relief valve comprises:
Top connection;
Lower contact, is connected to below described top connection;
Valve body, be sheathed in the centre bore of described top connection, run through vertically in described valve body and have first passage and second channel, described first passage and the parallel and interval of second channel are arranged, and described first passage and described second channel are communicated with the centre bore of described top connection and the centre bore of described lower contact respectively, wherein
Described first passage internal fixtion has the first ball seat, first valve ball that can open or close described first ball seat is provided with above described first ball seat, described second channel internal fixtion has the second ball seat, be provided with second valve ball that can open or close described second ball seat below described second ball seat, the below of described second valve ball is against flexible device.
2. casing tube shaping device as claimed in claim 1, it is characterized in that, first ball cover spacing to described first valve ball is also provided with in described first passage, the sidewall of described first ball cover is cylindricality, the upper end of described first ball cover is provided with roof, lower end is uncovered, the roof of described first ball cover has the first through hole, the sidewall of described first ball cover has opening, described first through hole and described opening in communication, described first ball cover is sheathed on the uncovered towards described first ball seat of outside and described first ball cover of described first valve ball.
3. casing tube shaping device as claimed in claim 2, it is characterized in that, described first passage upper end is also fixed with the first ball cover pressure ring spacing to described first ball cover, and described first ball cover pressure ring is positioned at above described first ball cover.
4. casing tube shaping device as claimed in claim 1, it is characterized in that, the second ball cover is also provided with in described second channel, what described second ball cover can move up and down is arranged on below described second ball seat, above described elastic device, the sidewall of described second ball cover is cylindricality, the lower end of described second ball cover is provided with diapire, upper end is uncovered, the diapire of described second ball cover has the second through hole, the sidewall of described second ball cover has opening, described second through hole and described opening in communication, described second ball cover is sheathed on the uncovered towards described second ball seat of outside and described second ball cover of described second valve ball.
5. casing tube shaping device as claimed in claim 4, it is characterized in that, the lower end of described second channel is also fixed with spacing ring, and described elastic device is folded between described spacing ring and described second ball cover.
6. casing tube shaping device as claimed in claim 1, it is characterized in that, the upper end of described second channel is also fixed with the second ball seat pressure ring, and described second ball seat pressure ring is resisted against above described second ball seat.
7. a two-way level pressure relief valve, described two-way level pressure relief valve comprises:
Top connection;
Lower contact, is connected to below described top connection;
Valve body, be sheathed in the centre bore of described top connection, run through vertically in described valve body and have first passage and second channel, described first passage and the parallel and interval of second channel are arranged, and described first passage and described second channel are communicated with the centre bore of described top connection and the centre bore of described lower contact respectively, wherein
Described first passage internal fixtion has the first ball seat, first valve ball that can open or close described first ball seat is provided with above described first ball seat, described second channel internal fixtion has the second ball seat, be provided with second valve ball that can open or close described second ball seat below described second ball seat, the below of described second valve ball is against flexible device.
8. two-way level pressure relief valve as claimed in claim 7, it is characterized in that, first ball cover spacing to described first valve ball is also provided with in described first passage, the sidewall of described first ball cover is cylindricality, the upper end of described first ball cover is provided with roof, lower end is uncovered, the roof of described first ball cover has the first through hole, the sidewall of described first ball cover has opening, described first through hole and described opening in communication, described first ball cover is sheathed on the uncovered towards described first ball seat of outside and described first ball cover of described first valve ball.
9. two-way level pressure relief valve as claimed in claim 7, it is characterized in that, the second ball cover is also provided with in described second channel, what described second ball cover can move up and down is arranged on below described second ball seat, above described elastic device, the sidewall of described second ball cover is cylindricality, the lower end of described second ball cover is provided with diapire, upper end is uncovered, the diapire of described second ball cover has the second through hole, the sidewall of described second ball cover has opening, described second through hole and described opening in communication, described second ball cover is sheathed on the uncovered towards described second ball seat of outside and described second ball cover of described second valve ball.
10. two-way level pressure relief valve as claimed in claim 9, it is characterized in that, the lower end of described second channel is also fixed with spacing ring, and described elastic device is folded between described spacing ring and described second ball cover;
The upper end of described second channel is also fixed with the second ball seat pressure ring, and described second ball seat pressure ring is resisted against above described second ball seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652175.6U CN204252899U (en) | 2014-11-04 | 2014-11-04 | Casing shaping device and bidirectional constant-pressure relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652175.6U CN204252899U (en) | 2014-11-04 | 2014-11-04 | Casing shaping device and bidirectional constant-pressure relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204252899U true CN204252899U (en) | 2015-04-08 |
Family
ID=52957219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420652175.6U Expired - Fee Related CN204252899U (en) | 2014-11-04 | 2014-11-04 | Casing shaping device and bidirectional constant-pressure relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204252899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374727A (en) * | 2019-09-03 | 2019-10-25 | 湖北农谷环保科技有限公司 | Urea injection system for diesel engine aftertreatment system |
-
2014
- 2014-11-04 CN CN201420652175.6U patent/CN204252899U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374727A (en) * | 2019-09-03 | 2019-10-25 | 湖北农谷环保科技有限公司 | Urea injection system for diesel engine aftertreatment system |
| CN110374727B (en) * | 2019-09-03 | 2024-05-31 | 武汉洛特福动力技术有限公司 | Urea injection system for diesel engine aftertreatment system |
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|---|---|---|---|
| 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: 20150408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |