CN220870189U - Internal blowout prevention valve of pipe column for pressurized operation - Google Patents
Internal blowout prevention valve of pipe column for pressurized operation Download PDFInfo
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- CN220870189U CN220870189U CN202322611441.2U CN202322611441U CN220870189U CN 220870189 U CN220870189 U CN 220870189U CN 202322611441 U CN202322611441 U CN 202322611441U CN 220870189 U CN220870189 U CN 220870189U
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- fixedly connected
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- blowout prevention
- blowout
- prevention valve
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- 230000002265 prevention Effects 0.000 title claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000009471 action Effects 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 description 15
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The utility model discloses an internal blowout prevention valve of a pipe column for pressurized operation, which relates to the field of blowout prevention valves and comprises a pipe body, wherein an blowout prevention valve main body is arranged in the pipe body, the left side of the inner wall of the pipe body is fixedly connected with a mounting sleeve, the inner wall of the mounting sleeve is provided with a plurality of limit slots, the surface of the blowout prevention valve main body is fixedly connected with a plurality of mounting inserts matched with the limit slots, the right side of the inner wall of the pipe body and the right side surface of the mounting sleeve are fixedly connected with a first sealing rubber ring, and the right side surface of the first sealing rubber ring and the inner wall of the pipe body are positioned on the right side of the first sealing rubber ring and are fixedly connected with a limit ring together. According to the utility model, the blowout prevention valve main body is subjected to limit installation through the installation sleeve, the blowout prevention valve main body is kept stable under the action of the plurality of limit slots and the installation plug blocks, and meanwhile, the installation between the pipe body and the blowout prevention valve main body is kept stable under the action of the first flange and the second flange outside, so that the loosening of the blowout prevention valve main body is avoided.
Description
Technical Field
The utility model relates to the field of blowout prevention valves, in particular to an internal blowout prevention valve of a pipe column for pressurized operation.
Background
With the progress of oil and gas field exploration and development in the middle and later stages, the operation difficult wells such as high-pressure oil reservoir water injection wells, wellhead overflow wells, self-injection wells after fracturing, self-injection wells after perforation, gas wells and the like are more and more, the conventional operation mode of the existing well control hydraulic wells or after release injection is not suitable for the requirement of benefit development of oil fields, the problems are better solved by research and application of the operation under pressure in recent years, the operation under pressure can furthest protect the reservoir layer, damage to the reservoir layer in the conventional operation process is avoided, the yield and stable production of the oil and gas field are ensured, good technical support is provided for long-term development and stable production of the oil and gas field, and one of key technologies of the operation under pressure is the plugging technology of an inner pipe column of the well.
Because the blowout prevention valve is installed in the pipe to when installing, need keep sealedly to the position of installation, just can prevent that water from flowing out from the gap of side, but current blowout prevention valve installs in the pipe, receives the impact of liquid, leads to the blowout prevention valve to become flexible easily, and when the leakproofness and the stability of side are not high simultaneously the flow of liquid is too much, easily spouts.
Disclosure of Invention
The utility model aims to provide an internal blowout prevention valve for a pipe column with pressure operation, which solves the problems that the blowout prevention valve provided in the background art is arranged in the pipe, is easy to loosen due to the impact of liquid, has low side tightness and stability, and is easy to spout when the flow rate of the liquid is excessive.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prevent spouting valve in tubular column of operation under pressure, includes the body, the inside of body is provided with prevents spouting valve main part, the left side fixedly connected with installation cover of body inner wall, a plurality of spacing slots have been seted up to the inner wall of installation cover, prevent spouting valve main part's fixed surface be connected with a plurality of with spacing slot assorted installation inserts, the right side of body inner wall and the right side fixed surface of installation cover have a first sealing rubber circle, the right side surface of first sealing rubber circle and the body inner wall are located the common fixedly connected with spacing circle in the right side of first sealing rubber circle, a plurality of the right side surface of installation inserts and the right side surface of preventing spouting valve main part all contact with the left side surface of first sealing rubber circle.
Preferably, the left side fixedly connected with first flange of body pipe wall, the left side fixedly connected with second flange of blowout prevention valve main part surface, the inner wall of first flange and the inner wall of second flange pass through bolt fixed connection jointly, the right side surface fixedly connected with second sealing rubber circle of second flange.
Preferably, a buffer opening is formed in the left side surface of the blowout prevention valve main body, and a buffer plate is fixedly connected to the inner wall of the buffer opening.
Preferably, a buffer cavity is formed in the center of the surface of the blowout prevention valve main body, a water inlet is formed in the right side surface of the blowout prevention valve main body, and a pressure device is arranged in the buffer cavity.
Preferably, the pressure device comprises a supporting cross, the surface of the supporting cross is fixedly connected with the left side of the inner wall of the buffer cavity, the right side surface of the supporting cross is fixedly connected with a limiting sliding rod, the rod wall of the limiting sliding rod is slidably connected with a ball valve, the left side surface of the ball valve and the right side surface of the supporting cross are fixedly connected with springs together, and the right side of the inner wall of the buffer cavity is fixedly connected with a ring stop block.
Preferably, the right side fixedly connected with spacing cross that the cushion chamber inner wall is located the ring dog, the left side surface of spacing cross is fixed connection with the right-hand member of spacing slide rod.
Preferably, the inner wall of the ring stop block is fixedly connected with a rubber sealing gasket.
The utility model has the technical effects and advantages that:
1. Through the arrangement of the pipe body, the blowout prevention valve main body, the mounting sleeve, the limiting inserting grooves, the mounting inserting blocks, the first sealing rubber ring and the limiting rings, the blowout prevention valve main body is subjected to limiting mounting through the mounting sleeve, the stability of the blowout prevention valve main body is kept under the action of the limiting inserting grooves and the mounting inserting blocks, and meanwhile, the stability of the mounting between the pipe body and the blowout prevention valve main body is kept under the action of the first flange and the second flange outside, so that the looseness of the blowout prevention valve main body is avoided.
2. Through setting up second sealing rubber circle, body, blowout prevention valve main part, first flange, second flange, through the second sealing rubber circle for keep sealed between body and the blowout prevention valve main part, and under the installation of first flange and second flange, make the blowout prevention valve main part can keep stable in the body, the right-hand member of blowout prevention valve main part can keep sealedly between with the first sealing rubber circle.
3. Through setting up spacing slot through setting up support cross, cushion chamber, spacing slide bar, ball valve, spring, ring dog, under pressure device's effect, restrict the flow of liquid, slow down the flow of water, prevent water blowout.
Drawings
Fig. 1 is a schematic view of the overall front cross-sectional structure of the present utility model.
Fig. 2 is a schematic view of a front side cross-sectional perspective structure of a pipe body according to the present utility model.
Fig. 3 is a schematic view showing a front cross-sectional structure of a blowout preventer body according to the present utility model.
Fig. 4 is a schematic perspective view of a limit sliding rod according to the present utility model.
In the figure: 1. a tube body; 2. a blowout prevention valve main body; 3. a mounting sleeve; 4. a limit slot; 5. installing an inserting block; 6. a first sealing rubber ring; 7. a limit ring; 8. a first flange; 9. a second flange; 10. a second sealing rubber ring; 11. buffering the mouth; 12. a buffer plate; 13. a buffer chamber; 14. a water inlet; 15. a support cross; 16. a limit sliding rod; 17. a ball valve; 18. a spring; 19. a ring stopper; 20. a limit cross; 21. and a rubber gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an internal blowout prevention valve for a pipe column with pressure operation, which is shown in fig. 1-4, and comprises a pipe body 1, wherein a blowout prevention valve main body 2 is arranged in the pipe body 1, a mounting sleeve 3 is fixedly connected to the left side of the inner wall of the pipe body 1, a plurality of limit slots 4 are formed in the inner wall of the mounting sleeve 3, a plurality of mounting inserts 5 matched with the limit slots 4 are fixedly connected to the surface of the blowout prevention valve main body 2, a first sealing rubber ring 6 is fixedly connected to the right side of the inner wall of the pipe body 1 and the right side surface of the mounting sleeve 3, a limit ring 7 is fixedly connected to the right side surface of the first sealing rubber ring 6 and the right side surface of the pipe body 1, and the right side surface of the plurality of mounting inserts 5 and the right side surface of the blowout prevention valve main body 2 are contacted with the left side surface of the first sealing rubber ring 6.
As shown in fig. 1-3, a first flange 8 is fixedly connected to the left side of the pipe wall of the pipe body 1, a second flange 9 is fixedly connected to the left side of the surface of the blowout prevention valve main body 2, the inner wall of the first flange 8 and the inner wall of the second flange 9 are fixedly connected together through bolts, a second sealing rubber ring 10 is fixedly connected to the right side surface of the second flange 9, sealing is kept between the pipe body 1 and the blowout prevention valve main body 2 through the second sealing rubber ring 10, the blowout prevention valve main body 2 can keep stable in the pipe body 1 while the right end of the blowout prevention valve main body 2 can keep sealing with the first sealing rubber ring 6, a buffer opening 11 is formed in the left side surface of the blowout prevention valve main body 2, a buffer plate 12 is fixedly connected to the inner wall of the buffer opening 11, and after liquid enters the buffer opening 11 and is buffered, the liquid is shunted through the buffer plate 12, so that the speed of water flow is slowed down.
As shown in fig. 3-4, a buffer cavity 13 is formed in the center of the surface of the blowout prevention valve main body 2, a water inlet 14 is formed in the right side surface of the blowout prevention valve main body 2, a pressure device is arranged in the buffer cavity 13, water can enter the buffer cavity 13 under the action of the water inlet 14, the pressure device comprises a supporting cross 15, the surface of the supporting cross 15 is fixedly connected with the left side of the inner wall of the buffer cavity 13, the right side surface of the supporting cross 15 is fixedly connected with a limiting slide rod 16, the rod wall of the limiting slide rod 16 is slidably connected with a ball valve 17, the left side surface of the ball valve 17 and the right side surface of the supporting cross 15 are fixedly connected with a spring 18, the right side of the inner wall of the buffer cavity 13 is fixedly connected with a ring stop 19, the flow of liquid is limited under the action of the pressure device, the flow of the water is slowed down, and the water is prevented from being ejected.
As shown in fig. 3-4, the right side of the ring stop 19 is fixedly connected with a limit cross 20 on the inner wall of the buffer cavity 13, the left side surface of the limit cross 20 is fixedly connected with the right end of the limit sliding rod 16, and the stability of the limit sliding rod 16 is maintained under the action of the limit cross 20, so that the ball valve 17 is kept stable when moving, the rubber sealing gasket 21 is fixedly connected with the inner wall of the ring stop 19, and the ball valve 17 is kept sealed under the action of the rubber sealing gasket 21 when entering the ring stop 19.
The working principle of the utility model is as follows: when the device is used, after a plurality of mounting insertion blocks 5 on the blowout prevention valve body 2 are aligned with a plurality of limiting slots 4 in the mounting sleeve 3, the blowout prevention valve body 2 is mounted in the mounting sleeve 3 until the blowout prevention valve body 2 and the plurality of mounting insertion blocks 5 are in contact with a first sealing rubber ring 6 on the limiting ring 7 and abut against the first sealing rubber ring 6, so that the sealing between the blowout prevention valve body 2 and the first sealing rubber ring 6 is kept, the first flange 8 and the second flange 9 on the pipe body 1 are fixed through bolts, and the second sealing rubber ring 10 on the second flange 9 is sealed with the pipe body 1, and the mounting stability of the blowout prevention valve body 2 is kept;
When liquid flows in the pipe body 1, the liquid enters the blowout prevention valve main body 2 through the water inlet 14, the pressure of the liquid flow pushes away the ball valve 17 so that the rubber sealing gasket 21 in the ring stop block 19, the spring 18 is compressed, the liquid enters the buffer cavity 13 through the ring stop block 19 and then enters the buffer opening 11, and under the action of the buffer plates 12, the liquid starts to flow and the flowing speed of the liquid is slowed down, so that the liquid is prevented from being ejected.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a prevent spouting valve in tubular column of operation under pressure, includes body (1), its characterized in that: the inside of body (1) is provided with blowout prevention valve main part (2), the left side fixedly connected with installation cover (3) of body (1) inner wall, a plurality of spacing slot (4) have been seted up to the inner wall of installation cover (3), the fixed surface of blowout prevention valve main part (2) be connected with a plurality of with spacing slot (4) assorted installation inserts (5), the right side of body (1) inner wall and the right side surface fixedly connected with first sealing rubber circle (6) of installation cover (3), the right side surface of first sealing rubber circle (6) and body (1) inner wall are located the common fixedly connected with spacing circle (7) in right side of first sealing rubber circle (6), a plurality of the right side surface of installation inserts (5) and the right side surface of blowout prevention valve main part (2) all contact with the left side surface of first sealing rubber circle (6).
2. The internal blowout preventer of a pipe string for pressurized operations of claim 1, wherein: the anti-blowout valve is characterized in that a first flange (8) is fixedly connected to the left side of the pipe wall of the pipe body (1), a second flange (9) is fixedly connected to the left side of the surface of the anti-blowout valve body (2), the inner wall of the first flange (8) and the inner wall of the second flange (9) are fixedly connected together through bolts, and a second sealing rubber ring (10) is fixedly connected to the right side surface of the second flange (9).
3. The internal blowout preventer of a pipe string for pressurized operations of claim 1, wherein: the anti-blowout valve is characterized in that a buffer opening (11) is formed in the left side surface of the anti-blowout valve main body (2), and a buffer plate (12) is fixedly connected to the inner wall of the buffer opening (11).
4. The internal blowout preventer of a pipe string for pressurized operations of claim 1, wherein: the anti-blowout valve is characterized in that a buffer cavity (13) is formed in the center of the surface of the anti-blowout valve body (2), a water inlet (14) is formed in the right side surface of the anti-blowout valve body (2), and a pressure device is arranged in the buffer cavity (13).
5. The internal blowout preventer of a pressurized working string according to claim 4, wherein: the pressure device comprises a supporting cross (15), the surface of the supporting cross (15) is fixedly connected with the left side of the inner wall of the buffer cavity (13), the right side surface of the supporting cross (15) is fixedly connected with a limiting sliding rod (16), the rod wall of the limiting sliding rod (16) is slidably connected with a ball valve (17), the left side surface of the ball valve (17) and the right side surface of the supporting cross (15) are fixedly connected with a spring (18) together, and the right side of the inner wall of the buffer cavity (13) is fixedly connected with a ring stop block (19).
6. The internal blowout preventer of a pressurized working string according to claim 5, wherein: the inner wall of the buffer cavity (13) is positioned on the right side of the ring stop block (19) and fixedly connected with a limiting cross (20), and the left side surface of the limiting cross (20) is fixedly connected with the right end of the limiting sliding rod (16).
7. The internal blowout preventer of a pressurized working string according to claim 5, wherein: the inner wall of the ring stop block (19) is fixedly connected with a rubber sealing gasket (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322611441.2U CN220870189U (en) | 2023-09-26 | 2023-09-26 | Internal blowout prevention valve of pipe column for pressurized operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322611441.2U CN220870189U (en) | 2023-09-26 | 2023-09-26 | Internal blowout prevention valve of pipe column for pressurized operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220870189U true CN220870189U (en) | 2024-04-30 |
Family
ID=90811507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322611441.2U Active CN220870189U (en) | 2023-09-26 | 2023-09-26 | Internal blowout prevention valve of pipe column for pressurized operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220870189U (en) |
-
2023
- 2023-09-26 CN CN202322611441.2U patent/CN220870189U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |