CN219528946U - Fracturing bottom sealing packer - Google Patents
Fracturing bottom sealing packer Download PDFInfo
- Publication number
- CN219528946U CN219528946U CN202320523553.XU CN202320523553U CN219528946U CN 219528946 U CN219528946 U CN 219528946U CN 202320523553 U CN202320523553 U CN 202320523553U CN 219528946 U CN219528946 U CN 219528946U
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- Prior art keywords
- sleeve
- centralizing
- packer
- righting
- fracturing
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Abstract
The utility model provides a fracturing bottom seal packer, is provided with top connection, lower clutch and middle sleeve the top connection and middle sleeve between be provided with locking part, locking part be the lock sleeve, be provided with the lock bolt on the lock sleeve the top connection on be provided with the righting part, the righting part be the righting sleeve inner wall on be provided with the help spout, can utilize the packer to carry out effectual protection to the well, avoided the seepage of liquid, adopt the multistage structure with the packer simultaneously, the operation of satisfying the packer that can be fine and the needs of assembly, let the result of use of packer obtain further guarantee, be provided with the righting sleeve simultaneously and be convenient for the packer and carry out the operation of righting in the installation.
Description
Technical Field
The utility model relates to a packer, in particular to a fracturing bottom-sealing packer.
Background
The packer is used in oil well operation, the packer is an elastic sealing element, annular spaces between various size pipe columns and the well bore and between the pipe columns are sealed, and an producing layer is isolated, so that liquid production is controlled, a casing downhole tool is protected, the packer is used for layering in oil extraction engineering, the packer is generally designed to have an oil extraction channel, so that the packer can be used for protecting the well wall, excessive liquid is avoided, and the well can be used more safely.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a fracturing bottom-sealing packer which is convenient for protecting a well.
The utility model is realized by adopting the following technical scheme: a fracturing bottom sealing packer is provided with an upper joint, a lower joint and a middle sleeve, wherein a locking part is arranged between the upper joint and the middle sleeve, the locking part is a locking sleeve, a locking bolt is arranged on the locking sleeve, a centralizing part is arranged on the upper joint, the centralizing part is a centralizing sleeve, an auxiliary sliding groove is formed in the inner wall of the centralizing sleeve, a transverse rod is arranged in the auxiliary sliding groove, a pulley is arranged on the transverse rod, and a centralizing traction sleeve is arranged in the centralizing sleeve.
The middle sleeve is provided with a clamping part, and the clamping part is an inclined slip.
The inclined slip is welded with the middle sleeve, and a sawtooth port is arranged on the inclined slip.
The top of the centralizing sleeve is provided with a centralizing steel ring, and the centralizing steel ring is provided with a threaded hole.
The centering device is characterized in that a centering rod is arranged in a threaded hole in the centering steel ring, and a centering collar is arranged on the centering rod.
Compared with the prior art, the utility model can effectively protect the well by using the packer, avoid the leakage of liquid, simultaneously adopt a multi-section structure to well meet the requirements of the operation and the assembly of the packer, further ensure the use effect of the packer, and simultaneously facilitate the centralizing operation of the packer when the packer is installed by arranging the centralizing sleeve on the packer.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an assembly view of the upper sub and intermediate sleeve of the present utility model;
in the figure: 1 is an upper joint, 2 is a lower joint, 3 is a middle sleeve, 4 is a locking sleeve, 5 is a centralizing sleeve, 6 is a pulley, 7 is a centralizing traction sleeve, 8 is an inclined slip, 9 is a centralizing steel ring, and 10 is a centralizing rod.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
A fracturing bottom sealing packer is provided with an upper joint 1, a lower joint 2 and a middle sleeve 3, wherein a locking part is arranged between the upper joint 1 and the middle sleeve 3, the locking part is a locking sleeve 4, a locking bolt is arranged on the locking sleeve 4, a centralizing part is arranged on the upper joint 1, the centralizing part is a centralizing sleeve 5, a sliding assisting groove is formed in the inner wall of the centralizing sleeve 5, a transverse rod is arranged in the sliding assisting groove, a pulley 6 is arranged on the transverse rod, and a centralizing traction sleeve 7 is arranged in the centralizing sleeve 5.
For fine connection of go up joint 1 and middle sleeve 3, just can be provided with the lock sleeve between the two, utilize lock sleeve 3 can be fine carry out the locking operation of go up joint 1 and middle sleeve 3, be provided with the joint part on the middle sleeve 3, the joint part be to form slips 8 to one side, welded connection between form slips 8 and the middle sleeve 3 to one side is provided with the sawtooth port on form slips 8 to one side.
In order to further right the packer, can utilize to right and pull and connect between sleeve 7 and the upper joint 1 and rely on the screw thread to connect, then can right to upper joint 1, be provided with at the top of righting sleeve 7 simultaneously and right steel ring 9 on be provided with the screw hole righting steel ring 9, the screw hole on the righting steel ring is provided with and rights the pole 10, be provided with on the righting pole 10 and right the rand, can right and fix a position the traction sleeve 7 surface with the rand of righting on the righting pole 10, more convenient when using.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (5)
1. The utility model provides a fracturing bottom-sealing packer is provided with top connection, lower clutch and middle sleeve the top connection and middle sleeve between be provided with locking part, locking part be the lock sleeve, be provided with the lock bolt on the lock sleeve, its characterized in that: the upper joint is provided with a centralizing part, the centralizing part is a centralizing sleeve, an auxiliary chute is arranged on the inner wall of the centralizing sleeve, a transverse rod is arranged in the auxiliary chute, a pulley is arranged on the transverse rod, and a centralizing traction sleeve is arranged in the centralizing sleeve.
2. The fracturing set packer of claim 1, wherein: the middle sleeve is provided with a clamping part, and the clamping part is an inclined slip.
3. The fracturing set packer of claim 2, wherein: the inclined slip is welded with the middle sleeve, and a sawtooth port is arranged on the inclined slip.
4. The fracturing set packer of claim 1, wherein: the top of the centralizing sleeve is provided with a centralizing steel ring, and the centralizing steel ring is provided with a threaded hole.
5. The fracturing set packer of claim 4, wherein: the centering device is characterized in that a centering rod is arranged in a threaded hole in the centering steel ring, and a centering collar is arranged on the centering rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320523553.XU CN219528946U (en) | 2023-03-17 | 2023-03-17 | Fracturing bottom sealing packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320523553.XU CN219528946U (en) | 2023-03-17 | 2023-03-17 | Fracturing bottom sealing packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219528946U true CN219528946U (en) | 2023-08-15 |
Family
ID=87587835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320523553.XU Active CN219528946U (en) | 2023-03-17 | 2023-03-17 | Fracturing bottom sealing packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219528946U (en) |
-
2023
- 2023-03-17 CN CN202320523553.XU patent/CN219528946U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |