CN221942395U - A packing sealing structure - Google Patents
A packing sealing structure Download PDFInfo
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- CN221942395U CN221942395U CN202420803770.9U CN202420803770U CN221942395U CN 221942395 U CN221942395 U CN 221942395U CN 202420803770 U CN202420803770 U CN 202420803770U CN 221942395 U CN221942395 U CN 221942395U
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Abstract
本实用新型属于高压油气井井口密封技术领域，特别涉及一种盘根密封结构。盘根密封结构用于设置于高压油气井井口位置，对油气井内部进行密封。在油气井进行清蜡、测井等作业过程中使用。当盘根密封结构发生渗漏情况时，启动打压组件，通过液压管向盘根密封结构中输送液压油，液压油能够进一步的填充在盘根密封结构内部，对盘根结构实现进一步的密封，减少油气渗漏。无需停止作业，取出工具，关井、泄压、换盘根等系列繁琐的操作，提高了油气井清蜡、测井等作业效率。
The utility model belongs to the technical field of wellhead sealing of high-pressure oil and gas wells, and particularly relates to a packing sealing structure. The packing sealing structure is used to be arranged at the wellhead position of a high-pressure oil and gas well to seal the inside of the oil and gas well. It is used in the process of wax cleaning, well logging and other operations in the oil and gas well. When the packing sealing structure leaks, the pressure component is started to transport hydraulic oil to the packing sealing structure through the hydraulic pipe. The hydraulic oil can be further filled in the packing sealing structure to further seal the packing structure and reduce oil and gas leakage. There is no need to stop the operation, take out the tool, shut down the well, release the pressure, change the packing and other cumbersome operations, which improves the efficiency of oil and gas well wax cleaning, well logging and other operations.
Description
Technical Field
The utility model belongs to the technical field of high-pressure oil-gas well wellhead sealing, and particularly relates to a packing sealing structure.
Background
Currently, many valves, mechanisms, and devices employ packing seals. In the prior art, when the packing is leaked, the valve, the mechanism and the device stop running immediately, pressure is relieved, and the packing can be continuously operated after being replaced. However, some devices such as paraffin removal and logging devices in the petroleum industry have packing leakage in the pressurized operation, the well cannot be closed immediately in the middle, the operation is stopped, and the well entering tool must be taken out first, then the well is closed, pressure is relieved, and packing is replaced. This greatly increases leakage time and leakage volume, and lifting up the tool in the process of releasing pressure again also increases construction operation risks.
Disclosure of utility model
The utility model aims at: aiming at the technical defects that the treatment process of the leakage of the packing in the pressurized operation structure in the prior art is complicated, the time consumption is long, and the leakage quantity is further increased, the packing sealing structure is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a packing seal structure, includes to press subassembly and packing seal assembly, packing seal assembly is provided with at least one inlet, press the subassembly with the inlet can dismantle and be connected, it includes hydraulic pump and hydraulic pipe to press the subassembly, the hydraulic pump with the inlet passes through the hydraulic pipe intercommunication.
In the technical scheme of the utility model, the packing sealing component is used for being arranged at the wellhead position of the high-pressure oil-gas well to seal the inside of the oil-gas well. The device is used in the operation processes of paraffin removal, well logging and the like of the oil and gas well. When the packing seal structure takes place the seepage condition, start and press the subassembly, carry hydraulic oil in to packing seal structure through the hydraulic pipe, hydraulic oil can be further pack inside packing seal structure, realize further sealedly to packing structure, reduce oil gas leakage. The operation is not required to be stopped, the tool is taken out, and series of complicated operations such as closing, pressure relief, packing replacement and the like are performed, so that the operation efficiency of paraffin removal, logging and the like of the oil and gas well is improved.
As a preferred scheme of the utility model, the packing sealing assembly comprises a packing box, the packing box is cylindrical, a sealing piece is arranged in a penetrating manner along the central axis direction of the packing box, the sealing piece comprises a first end and a second end, the first end is used for being connected with equipment in an oil-gas well, and the second end is arranged at a position outside a wellhead of the oil-gas well.
Preferably, the seal comprises a steel wire or cable.
Further preferably, the seal is disposed along a central axis of the packing box. The sealing piece is used for being matched with a packing structure in the packing box together to form a packing sealing structure, and sealing the wellhead of the oil gas well.
Preferably, the outer diameter of the packing box is matched with the inner diameter of the oil and gas well.
Preferably, a union joint is circumferentially arranged on the outer part of the packing box, and the union joint is used for being connected with an oil gas well. The packing box is used for being directly matched with an oil gas well.
As a preferred scheme of the utility model, at least two packing elements are arranged in the packing box at intervals along the central axis direction, and each packing element is arranged around the sealing element. And gaps are reserved between adjacent packing. The gap can be used for containing hydraulic oil, and further enhances the sealing effect of the packing box.
As a preferable scheme of the utility model, the liquid inlet is arranged on the side wall of the packing box, and a check valve is arranged on a hydraulic pipe between the hydraulic pump and the liquid inlet. Preventing the hydraulic oil in the packing box from flowing backwards into the hydraulic pipe. Reducing the effect of further sealing.
The conduction direction of the check valve is from the hydraulic pump to the packing box.
The pressing assembly further includes a pressure detector. The pressure detector is arranged on a hydraulic pipe between the hydraulic pump and the check valve.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
According to the technical scheme, the pressing assembly is further added on the basis of normal packing sealing, so that secondary sealing of packing is formed, the packing is pressed and sealed before or during operation of sealing elements such as steel wires and cables, the safety of packing sealing is improved, the leakage risk in the packing operation process is reduced, and the leakage of packing is reduced.
In the technical scheme of the utility model, the packing sealing structure is used for being arranged at the wellhead position of the high-pressure oil-gas well to seal the inside of the oil-gas well. The device is used in the operation processes of paraffin removal, well logging and the like of the oil and gas well. When the packing seal structure takes place the seepage condition, start and press the subassembly, carry hydraulic oil in to packing seal structure through the hydraulic pipe, hydraulic oil can be further pack inside packing seal structure, realize further sealedly to packing structure, reduce oil gas leakage. The operation is not required to be stopped, the tool is taken out, and series of complicated operations such as closing, pressure relief, packing replacement and the like are performed, so that the operation efficiency of paraffin removal, logging and the like of the oil and gas well is improved.
Drawings
Fig. 1 is a schematic view of the packing seal of the present utility model.
Fig. 2 is a schematic top view of the packing and seal of the present utility model.
FIG. 3 is a schematic illustration of the packing seal of the present utility model mated with an oil and gas well.
Icon: 1-packing box; 2-a seal; 21-a first end; 22-a second end; 3-packing; 4-a liquid inlet; 5-a hydraulic pipe; 6-a single flow valve; 7, a hydraulic pump; 8a pressure detector; 9-union joint; 10-oil and gas well.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
The embodiment provides a packing seal structure, including pressing subassembly and packing seal assembly, packing seal assembly is provided with at least one inlet 4, press the subassembly with inlet 4 can dismantle the connection, it includes hydraulic pump 7 and hydraulic pipe 5 to press the subassembly, hydraulic pump 7 with inlet 4 passes through hydraulic pipe 5 intercommunication.
Specifically, the packing seal assembly comprises a packing box 1, the packing box 1 is cylindrical, a seal piece 2 is arranged in a penetrating manner along the central axis direction of the packing box 1, the seal piece 2 comprises a first end 21 and a second end 22, the first end 21 is used for being connected with equipment in an oil gas well 10, and the second end 22 is arranged at the external position of the wellhead of the oil gas well 10. As a more preferable embodiment, at least two groups of packing 3 are disposed in the packing box 1 at intervals along the central axis direction, in this embodiment, three groups of packing 3 are disposed in the packing box 1 from top to bottom, and each group of packing 3 is disposed around the sealing member 2. The seal 2 comprises a wire or cable. The seal 2 is arranged along the central axis of the packing box 1. The packing 3 is disposed around between the seal 2 and the packing box 1.
In the embodiment of the present embodiment, the liquid inlet 4 is disposed on the side wall of the packing box 1, and a check valve 6 is disposed on the hydraulic pipe 5 between the hydraulic pump 7 and the liquid inlet 4. The single flow valve 6 is connected in the direction from the hydraulic pump 7 to the packing box 1. Specifically, the liquid inlet 4 is disposed between the first group of packing and the second group of packing.
The outer diameter of the packing box 1 is matched with the inner diameter of the oil and gas well 10. The packing box 1 is provided with a union joint 9 in the outer circumference, and the union joint 9 is used for being connected with an oil gas well 10. The packing box 1 is used for being directly matched with an oil and gas well 10.
In this embodiment, the pressing assembly is further provided with a pressure detector 8. The pressure detector 8 is arranged on the hydraulic pipe 5 between the hydraulic pump 7 and the check valve 6.
In the technical scheme of the utility model, the packing sealing structure is used for being arranged at the wellhead position of the high-pressure oil-gas well 10 to seal the inside of the oil-gas well 10. The method is used in the operation processes of paraffin removal, well logging and the like of the oil and gas well 10. When the packing seal structure takes place the seepage condition, start and press the subassembly, carry hydraulic oil in to packing seal structure through hydraulic pipe 5, hydraulic oil can be further pack inside packing seal structure, realize further sealedly to packing structure, reduce oil gas leakage. The operation is not required to be stopped, the tool is taken out, and series of complicated operations such as closing, pressure relief, packing replacement and the like are performed, so that the operation efficiency of paraffin removal, logging and the like of the oil and gas well 10 is improved.
In the technical scheme of this embodiment, through on the sealed basis of normal packing, further increase is suppressed the subassembly, forms the secondary seal of packing, is suppressed before the sealing member 2 operation such as steel wire, cable or in the operation and is sealed, increases the sealed security of packing, reduces the risk of packing operation in-process leakage, reduces the leakage of packing self.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a packing seal structure, its characterized in that, including pressing subassembly and packing seal assembly, packing seal assembly is provided with at least one inlet (4), press the subassembly with inlet (4) can dismantle and be connected, it includes hydraulic pump (7) and hydraulic pipe (5) to press the subassembly, hydraulic pump (7) with inlet (4) are through hydraulic pipe (5) intercommunication.
2. The packing seal structure according to claim 1, characterized in that the packing seal assembly comprises a packing box (1), the packing box (1) is cylindrical, a seal (2) is arranged in a penetrating manner along the central axis direction of the packing box (1), the seal (2) comprises a first end (21) and a second end (22), the first end (21) is used for being connected with equipment in an oil-gas well (10), and the second end (22) is arranged at a position outside a wellhead of the oil-gas well (10).
3. The packing seal according to claim 2, wherein the seal (2) comprises a wire or a cable.
4. A packing seal according to claim 3, characterized in that the seal (2) is arranged along the centre axis of the packing box (1).
5. The packing seal according to claim 2, wherein the outer diameter of the packing box (1) is adapted to the inner diameter of the oil and gas well (10).
6. The packing seal according to claim 5, characterized in that the packing box (1) is provided with a union joint (9) in the outer circumference, the union joint (9) being intended for connection with an oil and gas well (10).
7. The packing sealing structure according to claim 2, wherein at least two groups of packing (3) are arranged in the packing box (1) at intervals along the length direction of the central axis.
8. The packing sealing structure according to claim 7, wherein the liquid inlet (4) is provided on a side wall of the packing box (1), the liquid inlet (4) is provided between the first packing group and the second packing group, and a check valve (6) is provided on a hydraulic pipe (5) between the hydraulic pump (7) and the liquid inlet (4).
9. The packing sealing structure according to claim 8, wherein the conduction direction of the check valve (6) is from the hydraulic pump (7) to the packing box (1).
10. The packing seal arrangement according to claim 8, characterized in that the pressing assembly further comprises a pressure detector (8), the pressure detector (8) being arranged on the hydraulic pipe (5) between the hydraulic pump (7) and the check valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420803770.9U CN221942395U (en) | 2024-04-17 | 2024-04-17 | A packing sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420803770.9U CN221942395U (en) | 2024-04-17 | 2024-04-17 | A packing sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221942395U true CN221942395U (en) | 2024-11-01 |
Family
ID=93244837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420803770.9U Active CN221942395U (en) | 2024-04-17 | 2024-04-17 | A packing sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221942395U (en) |
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2024
- 2024-04-17 CN CN202420803770.9U patent/CN221942395U/en active Active
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