CN215256140U - Sliding sleeve type injection device - Google Patents
Sliding sleeve type injection device Download PDFInfo
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- CN215256140U CN215256140U CN202121573641.8U CN202121573641U CN215256140U CN 215256140 U CN215256140 U CN 215256140U CN 202121573641 U CN202121573641 U CN 202121573641U CN 215256140 U CN215256140 U CN 215256140U
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- sliding sleeve
- sealing
- injection apparatus
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Abstract
The utility model discloses a sliding sleeve formula injection apparatus, including spouting the body, it is provided with righting platform to spout body surface, it has fixed cover to spout body internal connection, fixed cover internal connection has the sliding sleeve, the sliding sleeve is provided with the sealing washer with spouting body junction, it is provided with the nozzle to spout body side, it still reserves sealed position to spout body inside, just the sealed sphere of sliding sleeve behind the sliding sleeve down forms linear seal with the inclined plane of sealed position. The utility model discloses not only safe and reliable prevents effectively that the sliding sleeve from droing in advance, because the body is from taking rightting platform and sealed position, can need not install sliding sleeve sealer and centralizer in addition, has reduced the length of construction tool cluster, has reduced the risk of sticking to bore.
Description
Technical Field
The utility model relates to an oil and gas technical field specifically is a sliding sleeve formula injection apparatus.
Background
In downhole operations of petroleum and gas, the technique of hydraulic sand-blasting perforation fracturing has been commonly used. During construction, tools are abraded due to factors such as solid particle scouring and splashing damage in media, the effect is reduced during multilayer construction, meanwhile, the dragging of the pipe column is easy to prolong the construction period, the construction efficiency is influenced, and the development of the immovable pipe column multilayer jet fracturing construction is particularly important.
The sliding sleeve of the current sliding sleeve type hydraulic sand blasting perforation tool mostly adopts an outer sealing ring, the sliding sleeve falls into a matched sliding sleeve sealer after falling, and the sliding sleeve is generally fixed on an injection body. The sliding sleeve often can appear in the use and drop in advance, still need have supporting sliding sleeve sealer and centralizer simultaneously in the use, and the length that leads to whole tool string is longer, and the risk of sticking a drill in the use is great, influences the construction effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sliding sleeve formula injection apparatus to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a sliding sleeve formula injection apparatus, is including spouting the body, it is provided with righting platform to spout body surface, it has fixed cover to spout body internal connection, fixed cover internal connection has the sliding sleeve, the sliding sleeve is provided with the sealing washer with spouting body junction, it is provided with the nozzle to spout body side.
Further, the spraying body is further provided with a first threaded hole inside, and the first threaded hole is internally connected with a fixing sleeve
Further, all be provided with the second screw hole on sliding sleeve and the fixed cover lateral wall, second screw hole internal connection has the shear pin, just the shear pin is evenly scribbled thread sealant with second screw hole junction.
Further, one end of the sliding sleeve is provided with a sealing spherical surface, and the other end of the sliding sleeve is provided with a sealing inclined surface.
Furthermore, a sealing position is reserved in the injection body, and a linear seal is formed by the sealing spherical surface of the sliding sleeve and the inclined plane of the sealing position after the sliding sleeve falls down.
Further, the sealing ring is arranged inside a sealing groove in the injection body, and at least one sealing groove is formed in the sealing groove.
Further, the nozzles are symmetrically arranged along the central axis of the injection body, and at least one group of nozzles is arranged.
Further, the centering table and the injection body are of an integrated structure, and the centering table is uniformly distributed on the surface of the injection body.
Compared with the prior art, the beneficial effects of the utility model are that:
the inside sealed position that still leaves of spraying body, the sealed sphere of sliding sleeve after the sliding sleeve descends forms linear seal with the inclined plane of sealed position, realizes spraying the inside secondary seal of body. The injection body is provided with a sealing position, and a sliding sleeve sealer is not required to be additionally installed, so that the length of the construction tool string is reduced.
The centralizing platform and the injection body are of an integrated structure, and the centralizing platform is uniformly distributed on the surface of the injection body. The jet body is provided with a centering table, so that a centering device does not need to be additionally installed, and the length of a construction tool string is reduced.
To sum up, the utility model discloses not only safe and reliable prevents effectively that the sliding sleeve from droing in advance, because the body is from taking rightting platform and sealed position, can not install sliding sleeve sealer and centralizer in addition, has reduced the length of construction tool cluster, has reduced the risk of sticking to the brill. The sealing washer sets up inside the inside seal groove of the injection body, and the seal groove is provided with one at least, every seal groove internal fit is connected with a sealing washer, the easy damage of sealing washer and the problem that drops when having reduced the installation, fixed cover passes through the screw thread to be fixed inside the injection body simultaneously, the sliding sleeve produces axial displacement's possibility when having reduced the construction, cut the round pin simultaneously and adopt the form of full screw thread, install on fixed cover and sliding sleeve, and evenly paint the thread sealant, even guaranteed to cut the round pin and cut, remaining two halves still fix respectively on sliding sleeve and fixed cover, thereby avoid cracked round pin card to cut inside sliding sleeve and the injection body, cause the sliding sleeve can not fall inside sealed position, thereby block individual nozzle, influence the construction effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the sliding sleeve structure of the present invention;
in the figure: 1-an injection body, 2-a sealing ring, 3-a nozzle, 4-a sliding sleeve, 5-a fixing sleeve, 6-a centering table, 7-a shear pin, 8-a sealing groove, 9-a first threaded hole, 10-a sealing spherical surface, 11-a second threaded hole and 12-a sealing inclined surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides a sliding sleeve formula injection apparatus, is provided with righting platform 6 including spouting body 1, spouts 1 surface of body, spouts 1 internal connection of body and fixes cover 5, and fixed cover 5 internal connection has sliding sleeve 4, and sliding sleeve 4 is provided with sealing washer 2 with spouting 1 junction of body, spouts 1 side of body and is provided with nozzle 3.
The utility model discloses in, spray 1 inside first screw hole 9 that still is provided with of body, and 9 internal connections of first screw hole have fixed cover 5. The possibility of axial displacement of the sliding sleeve 4 during construction is reduced.
The utility model discloses in, all be provided with second screw hole 11 on sliding sleeve 4 and the 5 lateral walls of fixed cover, 11 internal connection of second screw hole have shear pin 7, and shear pin 7 evenly scribbles threaded seal glue with 11 junctions of second screw hole. Even guaranteed that shear pin 7 cuts, remaining two halves still are fixed respectively on sliding sleeve 4 and fixed cover 5 to avoid cracked shear pin 7 card inside sliding sleeve 4 and the injection body 1, cause sliding sleeve 4 can not drop inside sealed position 13, thereby block individual nozzle 3.
The utility model discloses in, 4 one ends of sliding sleeve are provided with sealed sphere 10, and the other end is provided with sealed inclined plane 12. A sealing position 13 is reserved in the injection body 1, and linear sealing is formed by the sealing spherical surface 10 of the sliding sleeve 4 and the inclined plane of the sealing position 13 after the sliding sleeve 4 falls down. The secondary sealing of the interior of the jet body 1 is achieved. The injection body 1 is provided with a sealing position 13, and a sliding sleeve sealer is not required to be additionally installed, so that the length of a construction tool string is reduced.
The utility model discloses in, sealing washer 2 sets up inside 8 seal grooves of the inside of the body of spouting, and seal groove 8 is provided with one at least. Every 8 internal cooperation of seal grooves are connected with a sealing washer 2, have reduced the easy damage of sealing washer 2 and the problem that drops when installing.
The utility model discloses in, nozzle 3 sets up along the central axis symmetry of spraying body 1, and nozzle 3 is provided with a set of at least.
The utility model discloses in, right platform 6 and spray 1 formula structures as an organic whole of the body, just right 6 evenly distributed in the body 1 surface that sprays of platform. The jet body 1 is provided with the centering table 6, so that a centering device does not need to be additionally arranged, and the length of a construction tool string is reduced.
The working principle is as follows:
firstly, the sealing ring 2 is arranged in the sealing groove 8 in the injection body 1, and then the fixing sleeve 5 is connected in the first threaded hole 9 in a threaded manner. And then the sliding sleeve 4 is connected to the inside of the fixed sleeve 5 through the matching of the shear pin 7 and the second threaded hole 11. And finally, connecting the whole injection body 1 to a tool string through the uppermost and lowermost special petroleum threads, and performing righting work through the righting platform 6. When the jet body is used, a steel ball is thrown in a wellhead, the steel ball falls on the sealing inclined plane 12 of the sliding sleeve 4 to be sealed, the shearing pin 7 can be made to break through wellhead pressurization, the sliding sleeve 4 falls into the sealing position 13 reserved in the jet body 1, and the sealing spherical surface 10 of the sliding sleeve 4 and the inclined plane of the sealing position 13 form linear sealing. The secondary sealing of the interior of the jet body 1 is achieved. Because the injection body 1 is provided with the centering table 6 and the sealing position 13, a sliding sleeve sealer and a centralizer do not need to be additionally installed, the length of a construction tool string is reduced, and the risk of drill jamming is reduced. Sealing washer 2 sets up inside 8 inside seal grooves of the internal portion of the injection body 1, and seal groove 8 is provided with one at least, 8 inside cooperation in every seal groove is connected with a sealing washer 2, the easy damage of sealing washer 2 and the problem that drops when having reduced the installation, fixed cover 5 passes through the screw fixation inside the injection body 1 simultaneously, the possibility that sliding sleeve 4 produced axial displacement when having reduced the construction, it adopts the form of full screw thread to cut round pin 7 simultaneously, install on fixed cover 5 and sliding sleeve 4, and evenly paint the thread sealant, even guaranteed to cut round pin 7 and cut, remaining two halves still are fixed respectively on sliding sleeve 4 and fixed cover 5, thereby avoid cracked round pin 7 card to be inside sliding sleeve 4 and injection body 1, cause sliding sleeve 4 can not fall inside sealed position 13, thereby block individual nozzle 3, the phenomenon that influences the construction effect produces.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A sliding sleeve type injection device is characterized in that: including spraying body (1), it is provided with righting platform (6) to spray body (1) surface, it has fixed cover (5) to spray body (1) internal connection, fixed cover (5) internal connection has sliding sleeve (4), sliding sleeve (4) are provided with sealing washer (2) with spraying body (1) junction, it is provided with nozzle (3) to spray body (1) side.
2. A sliding sleeve injection apparatus as set forth in claim 1, wherein: the spray body is characterized in that a first threaded hole (9) is formed in the spray body (1), and a fixed sleeve (5) is connected to the first threaded hole (9) in the spray body.
3. A sliding sleeve injection apparatus as set forth in claim 1, wherein: all be provided with second screw hole (11) on sliding sleeve (4) and fixed cover (5) lateral wall, second screw hole (11) internal connection has shear pin (7), just it has the thread sealant to evenly scribble in shear pin (7) and second screw hole (11) junction.
4. A sliding sleeve injection apparatus as set forth in claim 1, wherein: one end of the sliding sleeve (4) is provided with a sealing spherical surface (10), and the other end is provided with a sealing inclined surface (12).
5. A sliding sleeve injection apparatus as set forth in claim 4, wherein: a sealing position (13) is reserved in the injection body (1), and a linear seal is formed by a sealing spherical surface (10) of the sliding sleeve (4) and an inclined plane of the sealing position (13) after the sliding sleeve (4) falls down.
6. A sliding sleeve injection apparatus as set forth in claim 1, wherein: the sealing ring (2) is arranged in a sealing groove (8) in the injection body (1), and at least one sealing groove (8) is arranged.
7. A sliding sleeve injection apparatus as set forth in claim 1, wherein: the nozzles (3) are symmetrically arranged along the central axis of the jet body (1), and at least one group of nozzles (3) is arranged.
8. A sliding sleeve injection apparatus as set forth in claim 1, wherein: the centering table (6) and the jet body (1) are of an integrated structure, and the centering table (6) is uniformly distributed on the surface of the jet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121573641.8U CN215256140U (en) | 2021-07-12 | 2021-07-12 | Sliding sleeve type injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121573641.8U CN215256140U (en) | 2021-07-12 | 2021-07-12 | Sliding sleeve type injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215256140U true CN215256140U (en) | 2021-12-21 |
Family
ID=79490867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121573641.8U Active CN215256140U (en) | 2021-07-12 | 2021-07-12 | Sliding sleeve type injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215256140U (en) |
-
2021
- 2021-07-12 CN CN202121573641.8U patent/CN215256140U/en active Active
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