CN214886972U - Oil well blocking device - Google Patents
Oil well blocking device Download PDFInfo
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- CN214886972U CN214886972U CN202121573669.1U CN202121573669U CN214886972U CN 214886972 U CN214886972 U CN 214886972U CN 202121573669 U CN202121573669 U CN 202121573669U CN 214886972 U CN214886972 U CN 214886972U
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- blanking plug
- sealing
- barrel
- plug body
- oil well
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Abstract
The utility model discloses an oil well blocking device, including the working barrel, there is fixed jack catch inside through threaded connection of working barrel, fixed jack catch upper end is connected with the blanking plug top connection, the inside blanking plug body that is provided with of fixed jack catch, the inside blanking plug dabber that is provided with of blanking plug body, the blanking plug core off-axial side is connected with the spring. The working barrel comprises an upper barrel and a lower barrel, the upper barrel and the lower barrel are sealed in a double-layer mode twice through a thread structure and a sealing structure, and the sealing effect of the working barrel is guaranteed firstly. Meanwhile, a sealing ring or a sealing rubber strip is arranged at the joint of the working barrel and the blanking plug body. The sealing rings are arranged in the sealing grooves in a matching manner, and at least one sealing groove is arranged in each sealing groove; the tail end of the sealing rubber is provided with the rubber expansion sleeve, the joint of the sealing rubber and the rubber expansion sleeve is of a conical structure, and the sealing rubber deforms under the extrusion effect of the rubber expansion sleeve and is connected with the working barrel more tightly in use, so that the sealing effect is enhanced.
Description
Technical Field
The utility model relates to a petroleum engineering technical field specifically is an oil well blocks up device.
Background
After the oil field is put into development, the energy of the oil layer is continuously consumed along with the increase of the exploitation time, so that the pressure of the oil layer is continuously reduced, underground crude oil is greatly degassed, the viscosity is increased, the yield of the oil well is greatly reduced, even the injection and production stop can be realized, and a large amount of underground residual dead oil cannot be extracted. In order to make up for the underground deficit caused by the production of crude oil, maintain or improve the pressure of an oil layer, realize high and stable yield of an oil field and obtain higher recovery ratio, water must be injected into the oil field.
The device is one of the essential important parts when carrying out the water injection of layering, and current jam device is relatively poor with the sealed effect between the working barrel when using, and the sealed effect that blocks up device self is general, and in long-time test procedure, the test effect is relatively poor, and efficiency of software testing is lower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil well blocks up device to it is relatively poor with the sealed effect between the working barrel when using to propose current blocking up device in solving above-mentioned background art, and the sealed effect of blanking plug self is general, in long-time testing process, and the test effect is relatively poor, the lower problem of efficiency of software testing.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an oil well blocking device, includes the working barrel, there is fixed jack catch inside through threaded connection of working barrel, fixed jack catch upper end is connected with the blanking plug top connection, the inside blanking plug body that is provided with of fixed jack catch, the inside blanking plug dabber that is provided with of blanking plug body, the blanking plug core off-axial side is connected with the spring.
Further, a sealing ring is arranged on the outer side of the blanking plug body, the sealing ring is arranged inside the sealing groove in a matched mode, and at least one sealing groove is formed in the sealing groove.
Further, the outer side of the blanking plug body is further provided with a sealing rubber sheet, the tail end of the sealing rubber sheet is provided with a rubber sheet expanding sleeve, and the joint of the sealing rubber sheet and the rubber sheet expanding sleeve is of a conical structure.
Further, a shear pin is arranged inside the rubber expansion sleeve, and a connecting rod is arranged inside the shear pin.
Further, the tail end of the blanking plug body is further provided with a gland, and the gland is connected to the inner portion of the tail end of the blanking plug body in a threaded connection mode.
Further, a fastening nut is arranged at the tail end of the connecting rod.
Further, the working barrel comprises an upper barrel and a lower barrel, the upper barrel and the lower barrel are fixedly connected in a threaded connection mode, and a sealing structure is arranged at the joint of the upper barrel and the lower barrel.
Further, a steel ball is further arranged inside the upper plug connector, and the steel ball and a conical inclined plane inside the upper plug connector form linear sealing.
Compared with the prior art, the beneficial effects of the utility model are that:
the working barrel comprises an upper barrel and a lower barrel, the upper barrel and the lower barrel are fixedly connected in a threaded connection mode, and a sealing structure is arranged at the joint of the upper barrel and the lower barrel. The double-layer sealing is carried out twice through the threaded structure and the sealing structure, and the sealing effect of the working barrel is guaranteed firstly. Meanwhile, a sealing ring or a sealing rubber strip is arranged at the joint of the working barrel and the blanking plug body. The sealing rings are arranged in the sealing grooves in a matching manner, and at least one sealing groove is arranged in each sealing groove; the tail end of the sealing rubber is provided with the rubber expansion sleeve, the joint of the sealing rubber and the rubber expansion sleeve is of a conical structure, and the sealing rubber deforms under the extrusion effect of the rubber expansion sleeve and is connected with the working barrel more tightly in use, so that the sealing effect is enhanced.
The stopper dabber of the inside stopper body can accomplish the sealing effect under the effect of spring automatically when using, and the reinforcing is to the sealing effect of the inside of stopper body. Therefore, the sealing performance of the whole plugging device is ensured, the plugging device can be used for a long time when being tested and used, and the good testing efficiency is achieved.
Drawings
Fig. 1 is a schematic view of an overall structure of the present invention;
fig. 2 is another overall structure diagram of the present invention;
FIG. 3 is a schematic structural view of the blanking plug and the working barrel of the present invention;
in the figure: 1-upper plug connector, 2-fixed jaw, 3-plug body, 4-plug core shaft, 5-connecting rod, 6-spring, 7-sealing ring, 8-gland, 9-sealing rubber, 10-rubber expansion sleeve, 11-shear pin, 12-working cylinder and 13-steel ball.
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 an oil well blocking device, includes working barrel 12, and working barrel 12 is inside to have fixed jack catch 2 through threaded connection, and 2 upper ends fixedly connected with blanking plug upper clutch 1 of fixed jack catch, and 2 inside blanking plug bodies 3 that are provided with of fixed jack catch, the inside blanking plug dabber 4 that is provided with of blanking plug body 3, the blanking plug dabber 4 outside is connected with spring 6.
The utility model discloses in, the 3 outsides of blanking plug body are provided with sealing washer 7, and the cooperation of sealing washer 7 sets up inside the seal groove, and the seal groove is provided with one at least.
The utility model discloses in, 3 outsides of blanking plug body still set up rubber seal 9, and rubber seal 9 ends are provided with rubber cover 10 that rises, and rubber seal 9 rises and overlaps 10 junctions with the rubber and be the toper structure.
The utility model discloses in, rubber cover 10 inside is provided with cuts round pin 11, cuts 11 inside connecting rods 5 that are provided with of round pin.
The utility model discloses in, 3 ends of blanking plug body still are provided with gland 8, and gland 8 connects in 3 terminal insides of blanking plug body through threaded connection's mode.
The utility model discloses in, 5 ends of connecting rod are provided with fastening nut.
The utility model discloses in, working barrel 12 includes a section of thick bamboo and a lower section of thick bamboo, goes up a section of thick bamboo and passes through threaded connection's mode fastening connection with a lower section of thick bamboo, and goes up a section of thick bamboo and a lower section of thick bamboo junction and be provided with seal structure.
The utility model discloses in, the blanking plug top connection 1 is inside can be in follow-up throwing in steel ball 13, and steel ball 13 and the inside toper inclined plane of blanking plug top connection 1 form linear seal.
The first embodiment,
The upper and lower barrels of the mandrel 12 are first connected at the time of use. Ensuring the tightness of the mandrel 12. Then the blanking plug body 3 is put into the oil pipe, the steel ball 13 is located inside the blanking plug upper joint 1, finally, the inside of the oil pipe is pressurized, and the blanking plug body 3 is fixed inside the working barrel 12 under the action of the fixed clamping jaw 2. Until the tubing pressure exceeds the design pressure, there is no change in the internal pressure of the mandrel 12, confirming that the plug body 3 has been set. The gland 8 at the lower section of the blanking plug body 3 continuously keeps supporting the spring 6 in the setting process, and the blanking plug core shaft 4 can move up and down under the action of the spring 6 until sealing is finished and the blanking plug core shaft is fixed on the connecting surface. The sealing ring 7 effectively seals the joint of the blanking plug body 3 and the working barrel 12.
Example II,
The upper and lower barrels of the mandrel 12 are first connected at the time of use. Ensuring the tightness of the mandrel 12. Then the blanking plug body 3 is put into the oil pipe, the steel ball 13 is located inside the blanking plug upper joint 1, finally, the inside of the oil pipe is pressurized, and the blanking plug body 3 is fixed inside the working barrel 12 under the action of the fixed clamping jaw 2. Until the tubing pressure exceeds the design pressure, there is no change in the internal pressure of the mandrel 12, confirming that the plug body 3 has been set. The fastening nut who sets up at the in-process connecting rod 5 end of sitting seals continuously supports spring 6, can drive the removal that the rubber rises cover 10 simultaneously under the effect of spring 6 to rise cover 10 through the rubber and extrude sealed rubber 9, guarantee that the rubber rises cover 9 and can carry out sealing connection with working barrel 12.
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. An oil well plugging device characterized by: including working barrel (12), there are fixed jack catch (2) inside through threaded connection in working barrel (12), fixed jack catch (2) upper end is connected with blanking plug upper joint (1), fixed jack catch (2) inside is provided with blanking plug body (3), blanking plug body (3) inside is provided with blanking plug dabber (4), blanking plug dabber (4) outside is connected with spring (6).
2. An oil well plugging device according to claim 1, wherein: the blanking plug is characterized in that a sealing ring (7) is arranged on the outer side of the blanking plug body (3), the sealing ring (7) is arranged inside the sealing groove in a matched mode, and at least one sealing groove is formed in the sealing groove.
3. An oil well plugging device according to claim 1, wherein: the blanking plug is characterized in that a sealing rubber sheet (9) is further arranged on the outer side of the blanking plug body (3), a rubber sheet expansion sleeve (10) is arranged at the tail end of the sealing rubber sheet (9), and the joint of the sealing rubber sheet (9) and the rubber sheet expansion sleeve (10) is of a conical structure.
4. A well plugging device according to claim 3, wherein: the rubber expansion sleeve (10) is internally provided with a shear pin (11), and the shear pin (11) is internally provided with a connecting rod (5).
5. An oil well plugging device according to claim 1, wherein: the blanking plug is characterized in that a gland (8) is further arranged at the tail end of the blanking plug body (3), and the gland (8) is connected to the inner portion of the tail end of the blanking plug body (3) in a threaded connection mode.
6. An oil well plugging device according to claim 4, wherein: and a fastening nut is arranged at the tail end of the connecting rod (5).
7. An oil well plugging device according to claim 1, wherein: the working barrel (12) comprises an upper barrel and a lower barrel, the upper barrel and the lower barrel are fixedly connected in a threaded connection mode, and a sealing structure is arranged at the joint of the upper barrel and the lower barrel.
8. An oil well plugging device according to claim 1, wherein: the blanking plug is characterized in that a steel ball (13) is further arranged inside the blanking plug upper joint (1), and the steel ball (13) and a conical inclined plane inside the blanking plug upper joint (1) form linear sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121573669.1U CN214886972U (en) | 2021-07-12 | 2021-07-12 | Oil well blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121573669.1U CN214886972U (en) | 2021-07-12 | 2021-07-12 | Oil well blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214886972U true CN214886972U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121573669.1U Active CN214886972U (en) | 2021-07-12 | 2021-07-12 | Oil well blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214886972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115749666A (en) * | 2022-11-01 | 2023-03-07 | 四川圣诺油气工程技术服务有限公司 | Underground ratchet type blanking plug |
-
2021
- 2021-07-12 CN CN202121573669.1U patent/CN214886972U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115749666A (en) * | 2022-11-01 | 2023-03-07 | 四川圣诺油气工程技术服务有限公司 | Underground ratchet type blanking plug |
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