CN212317934U - Small-diameter short soluble bridge plug - Google Patents
Small-diameter short soluble bridge plug Download PDFInfo
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- CN212317934U CN212317934U CN202020845067.6U CN202020845067U CN212317934U CN 212317934 U CN212317934 U CN 212317934U CN 202020845067 U CN202020845067 U CN 202020845067U CN 212317934 U CN212317934 U CN 212317934U
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Abstract
The utility model discloses a short soluble bridging plug of minor diameter, reserve the pipeline including first reservation pipeline, soluble bridging plug ball and second, first one side fixedly connected with seal structure of reserving the pipeline, first opposite side of reserving the pipeline is provided with the second and reserves the pipeline, and the second one side fixedly connected with components of a whole that can function independently structure of reserving the pipeline, first reservation pipeline and second are reserved through components of a whole that can function independently structure fixed connection between the pipeline, and the inside intermediate position department of components of a whole that can function independently structure is provided with soluble bridging plug ball. The utility model discloses a split type design of components of a whole that can function independently structure avoids the bridging plug to lead to cracked in the installation, because the use of soluble bridging plug ball is soluble material, and easy dissolving and stability are relatively poor, easy impaired when filling in the device, and the theory of operation of components of a whole that can function independently structure is put into soluble bridging plug ball when using and reserves the joint intraductally, later promotes to one side and reserves the sleeve pipe, makes and reserves the inner union and reserve the joint pipe joint and connect.
Description
Technical Field
The utility model relates to a soluble bridging plug technical field specifically is a short soluble bridging plug of minor diameter.
Background
Soluble bridge plugs are petroleum soluble fracturing plugs used primarily in downhole operations to provide relatively reliable temporary zonal isolation in downhole fracturing operations.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:
(1) the traditional soluble bridge plug is large in size, and the bridge plug shell is designed in an integrated mode, so that the bridge plug is easy to break in the installation process, and the bridge plug ball is made of a soluble material, so that the bridge plug is easy to dissolve and poor in stability;
(2) in the traditional soluble bridge plug, sealing structures are not arranged on two sides of the device, and the device can be exposed in the air before being used and after being repaired and detached and is easy to pollute;
(3) traditional soluble bridge plug, fixed effect is not good, and the junction of device easily drops.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a soluble bridging plug of minor diameter weak point to it is easy cracked, the both sides of device do not set up seal structure and the not good problem of fixed effect to propose the bridging plug in the installation to solve above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a soluble bridging plug of minor diameter weak point, reserves the pipeline including first reservation pipeline, soluble bridging plug ball and second, the pipeline is reserved to one side fixedly connected with seal structure of first reservation pipeline, the opposite side of first reservation pipeline is provided with the second and reserves the pipeline, and the second reserves one side fixedly connected with components of a whole that can function independently structure of pipeline, first reservation pipeline and second are reserved through components of a whole that can function independently structure fixed connection between the pipeline, and the inside intermediate position department of components of a whole that can function independently structure is provided with soluble bridging plug ball.
Preferably, seal structure's inside has set gradually sealed needle, predetermines the external screw thread, predetermines internal thread and sealed valve gap, fixed connection between sealed valve gap and the first pipeline of reserving, the sealed needle of one side fixedly connected with inside the sealed valve gap, and constitute the block relation between sealed needle and the first pipeline of reserving.
Preferably, the inside top and the bottom of sealed valve gap are inlayed and are had and predetermine the internal thread, and predetermine internal thread top and bottom and be provided with and predetermine the internal thread and mutually support predetermine the external screw thread, predetermine the external screw thread and predetermine and constitute the screw thread relation between the internal thread, predetermine fixed connection between external screw thread and the first reservation pipeline.
Preferably, elastic element, connecting tube, reservation sleeve pipe, reservation inner union, pressurization ball, reservation cell body, reservation joint pipe, spacing ring and fixed knob have set gradually in the inside of components of a whole that can function independently structure, fixed connection between connecting tube and the first reservation pipeline, elastic element is run through to one side of connecting tube, and one side fixedly connected with of elastic element reserves the sleeve pipe, one side fixedly connected with of reservation sleeve pipe reserves inner union, and reserves and constitute the block relation between inner union and the reservation sleeve pipe.
Preferably, the two ends of the reserved inner connecting pipe are inlaid with reserved groove bodies, the middle positions in the reserved groove bodies are provided with pressurizing balls, and the pressurizing balls and the reserved groove bodies are distributed in an annular array mode relative to the circle center of the reserved inner connecting pipe.
Preferably, a reserved clamping pipe matched with the reserved inner connecting pipe is arranged on one side of the reserved inner connecting pipe, a clamping relation is formed between the reserved clamping pipe and the reserved inner connecting pipe, a limiting ring is fixedly connected to one side of the reserved clamping pipe, and the elastic element, the connecting pipeline, the reserved sleeve pipe, the reserved inner connecting pipe and the reserved clamping pipe are coaxially arranged.
Preferably, fixed knobs are inlaid in one side of each of two ends of the reserved inner connecting pipe, and the fixed knobs are distributed in an annular array.
Compared with the prior art, the beneficial effects of the utility model are that: the small-diameter short-soluble bridge plug not only realizes that the bridge plug is easy to crack in the installation process, but also realizes that the sealing structures are not arranged on the two sides of the device and the fixing effect is poor;
(1) through the split design of the split structure, the bridge plug is prevented from being cracked in the installation process, because the soluble bridge plug ball is made of soluble materials, the soluble bridge plug ball is easy to dissolve and poor in stability and is easy to damage when being plugged into the device, the working principle of the split structure is that the soluble bridge plug ball is placed into the reserved clamping pipe when in use, then the reserved sleeve is pushed to one side to enable the reserved inner connecting pipe and the reserved clamping pipe to be connected in a clamping mode, the clamping limiting is conducted between the pressurizing balls and the limiting ring, which are in the annular array, at the two ends of the reserved inner connecting pipe, the reserved sleeve is loosened, the reserved sleeve is pushed by the elastic element to be clamped and fixed with the reserved inner connecting pipe, the reserved sleeve extrudes the pressurizing;
(2) the sealing structure is arranged on the two sides of the first reserved pipeline and the second reserved pipeline, so that the device cannot be exposed in air to cause pollution before being used and after being maintained and detached;
(3) the fixing effect of the joint of the device is enhanced by mutually matching the fixing knob and the reserved clamping pipe, the joint of the device is prevented from falling off, and when the clamping between the reserved inner connecting pipe and the reserved clamping pipe is fixed, the fixing knob distributed in an annular mode is inwards extruded through a thread principle, so that the effect of enhancing the fixing effect is achieved.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a partial schematic view of the split structure of the present invention;
FIG. 3 is a side view of the split structure of the present invention;
fig. 4 is a partial schematic view of the sealing structure of the present invention.
In the figure: 1. a sealing structure; 101. sealing the valve needle; 102. presetting external threads; 103. presetting internal threads; 104. sealing the valve cover; 2. a first reserved pipe; 3. a split structure; 301. an elastic element; 302. connecting a pipeline; 303. reserving a sleeve; 304. reserving an inner connecting pipe; 305. pressurizing the balls; 306. reserving a groove body; 307. reserving a clamping pipe; 308. a limiting ring; 309. fixing the knob; 4. a dissolvable bridge plug ball; 5. and a second reserved pipe.
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. 1-4, the present invention provides an embodiment: a small-diameter short soluble bridge plug comprises a first reserved pipeline 2, a soluble bridge plug ball 4 and a second reserved pipeline 5, wherein a sealing structure 1 is fixedly connected to one side of the first reserved pipeline 2;
a sealing valve needle 101, a preset external thread 102, a preset internal thread 103 and a sealing valve cover 104 are sequentially arranged in the sealing structure 1, the sealing valve cover 104 is fixedly connected with the first reserved pipeline 2, the sealing valve needle 101 is fixedly connected to one side in the sealing valve cover 104, the sealing valve needle 101 and the first reserved pipeline 2 form a clamping relation, the preset internal thread 103 is embedded in the top end and the bottom end in the sealing valve cover 104, the preset external thread 102 matched with the preset internal thread 103 is arranged on the top end and the bottom end of the preset internal thread 103, a thread relation is formed between the preset external thread 102 and the preset internal thread 103, and the preset external thread 102 is fixedly connected with the first reserved pipeline 2;
specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, the sealing structures 1 arranged on the two sides of the first reserved pipeline 2 and the second reserved pipeline 5 prevent the device from being exposed to air and polluted before being used and after being repaired and disassembled, the sealing structure 1 has the working principle that the sealing valve cover 104 is connected with the first reserved pipeline 2 in a clamping manner by rotating the sealing valve cover 104, the preset external thread 102 and the preset internal thread 103 are fixed through threads, and the sealing valve needle 101 is fixed with the inside of the first reserved pipeline 2 in a clamping manner, so that the sealing effect is increased, and the dustproof and anticorrosive effects are achieved;
a second reserved pipeline 5 is arranged on the other side of the first reserved pipeline 2, and a split structure 3 is fixedly connected to one side of the second reserved pipeline 5;
an elastic element 301, a connecting pipeline 302, a reserved sleeve 303, a reserved inner pipe 304, a pressurizing ball 305, a reserved groove body 306, a reserved clamping connection pipe 307, a limiting ring 308 and a fixing knob 309 are sequentially arranged in the split structure 3, the connecting pipeline 302 is fixedly connected with the first reserved pipeline 2, the elastic element 301 penetrates through one side of the connecting pipeline 302, the reserved sleeve 303 is fixedly connected with one side of the elastic element 301, the reserved inner pipe 304 is fixedly connected with one side of the reserved sleeve 303, the reserved inner pipe 304 and the reserved sleeve 303 form a clamping relation, the reserved groove body 306 is embedded at two ends of the reserved inner pipe 304, the pressurizing ball 305 is arranged in the middle of the reserved groove body 306, the pressurizing ball 305 and the reserved groove body 306 are distributed in an annular array relative to the circle center of the reserved inner pipe 304, the reserved clamping connection pipe 307 matched with the reserved inner pipe 304 is arranged at one side of the reserved inner pipe 304, a clamping relationship is formed between the reserved clamping pipe 307 and the reserved inner connecting pipe 304, one side of the reserved clamping pipe 307 is fixedly connected with a limiting ring 308, and the elastic element 301, the connecting pipeline 302, the reserved sleeve 303, the reserved inner connecting pipe 304 and the reserved clamping pipe 307 are coaxially arranged;
specifically, as shown in fig. 1 and fig. 2, when the mechanism is used, firstly, through the split design of the split structure 3, the bridge plug is prevented from being cracked in the installation process, because the soluble bridge plug ball 4 is made of soluble material, is easy to dissolve and poor in stability, and is easy to be damaged when being plugged into the device, the working principle of the split structure 3 is that the soluble bridge plug ball 4 is placed into the reserved clamping tube 307 when in use, then the reserved sleeve 303 is pushed to one side, so that the reserved inner tube 304 and the reserved clamping tube 307 are clamped and connected, the clamping and limiting between the pressurizing balls 305 and the limiting ring 308 which are in an annular array at the two ends of the reserved inner tube 304 are clamped and limited, at this time, the reserved sleeve 303 is loosened, so that the reserved sleeve 303 is pushed by the elastic element 301 to be clamped and fixed with the reserved inner tube 304, and the reserved sleeve 303 inwardly extrud;
the first reserved pipeline 2 and the second reserved pipeline 5 are fixedly connected through a split structure 3, and a soluble bridge plug ball 4 is arranged in the middle of the inside of the split structure 3;
specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, the fixing effect of the connection part of the device is enhanced by the mutual matching of the fixing knob 309 and the reserved bayonet tube 307, the connection part of the device is prevented from falling off, the fixing knob 309 is annularly distributed with respect to the relation of the reserved inner tube 304, and when the reserved inner tube 304 and the reserved bayonet tube 307 are clamped and fixed, the annularly distributed fixing knob 309 is pressed inwards by the principle of screw threads, so that the effect of enhancing the fixing effect is achieved.
The working principle is as follows: the utility model discloses when using, at first, through the split type design of components of a whole that can function independently structure 3, avoid the bridging plug to lead to cracked in the installation, because soluble bridging plug ball 4 uses is soluble material, easy dissolving and stability are relatively poor, easy impaired when stuffing into the device, split type structure 3's theory of operation promotes to one side and reserves sleeve pipe 303, make and reserve inner union coupling 304 and reserve joint pipe 307 block and connect, and then it is spacing to make to reserve the block between pressurization ball 305 at inner union coupling 304 both ends and the spacing ring 308, at this moment, loosen and reserve sleeve pipe 303, it is fixed with reservation inner union coupling 304 block to make to reserve sleeve pipe 303 receive elastic element 301 to promote, reserve sleeve pipe 303 inwards extrudees pressurization ball 305, pressurization ball 305 extrudes and reserves joint pipe 307, reach the effect of strengthening the connection effect.
Afterwards, seal structure 1 through being equipped with in first reserved pipeline 2 and the second reserved pipeline 5 both sides makes the device before not using to and can not expose in the air after being repaired and removed, lead to being contaminated, seal structure 1's theory of operation is through rotary seal valve gap 104, make the block connection between seal valve gap 104 and the first reserved pipeline 2, seal valve needle 101 is fixed with the inside block of first reserved pipeline 2, increase sealed effect, reach dustproof anticorrosive effect.
Finally, the fixing effect of the connection part of the device is enhanced by the mutual matching of the fixing knob 309 and the reserved clamping pipe 307, the connection part of the device is prevented from falling off, the fixing knob 309 is distributed annularly relative to the reserved inner pipe 304, and when the reserved inner pipe 304 and the reserved clamping pipe 307 are clamped and fixed, the fixing knob 309 is pressed inwards, so that the fixing effect is enhanced.
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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a soluble bridge plug of minor diameter weak point, includes that first reservation pipeline (2), soluble bridge plug ball (4) and second reserve pipeline (5), its characterized in that: one side fixedly connected with seal structure (1) of first reservation pipeline (2), the opposite side of first reservation pipeline (2) is provided with second reservation pipeline (5), and one side fixedly connected with components of a whole that can function independently structure (3) of second reservation pipeline (5), through components of a whole that can function independently structure (3) fixed connection between first reservation pipeline (2) and second reservation pipeline (5), and the inside intermediate position department of components of a whole that can function independently structure (3) is provided with soluble bridging plug ball (4).
2. A small diameter short soluble bridge plug according to claim 1 wherein: the sealing structure is characterized in that a sealing valve needle (101), an external thread (102), an internal thread (103) and a sealing valve cover (104) are sequentially arranged inside the sealing structure (1), the sealing valve cover (104) is fixedly connected with the first reserved pipeline (2), the sealing valve needle (101) is fixedly connected to one side of the inside of the sealing valve cover (104), and the sealing valve needle (101) and the first reserved pipeline (2) form a clamping relation.
3. A small diameter short soluble bridge plug according to claim 2 wherein: the inside top and the bottom of sealed valve gap (104) are inlayed and are had predetermined internal thread (103), and the top and the bottom of predetermineeing internal thread (103) are provided with and predetermine external screw thread (102) of predetermineeing that internal thread (103) mutually supported, predetermine external screw thread (102) and predetermine and constitute the screw thread relation between internal thread (103), predetermine fixed connection between external screw thread (102) and the first pipeline (2) of reserving.
4. A small diameter short soluble bridge plug according to claim 1 wherein: elastic element (301), connecting tube (302), reserve sleeve pipe (303), reserve inner union coupling (304), pressurization ball (305), reserve cell body (306), reserve joint pipe (307), spacing ring (308) and fixed knob (309) have set gradually in the inside of components of a whole that can function independently structure (3), fixed connection between connecting tube (302) and first reserve pipe (2), elastic element (301) is run through to one side of connecting tube (302), and one side fixedly connected with of elastic element (301) reserves sleeve pipe (303), one side fixedly connected with of reserving sleeve pipe (303) reserves inner union coupling (304), and reserves and constitutes the block relation between inner union coupling (304) and reserve sleeve pipe (303).
5. A small diameter short soluble bridge plug according to claim 4 wherein: two ends of the reserved inner pipe (304) are inlaid with reserved grooves (306), a pressurizing ball (305) is arranged in the middle of the inside of each reserved groove (306), and the pressurizing ball (305) and the reserved grooves (306) are distributed in an annular array mode about the circle center of the reserved inner pipe (304).
6. A small diameter short soluble bridge plug according to claim 4 wherein: one side of the reserved inner connecting pipe (304) is provided with a reserved clamping pipe (307) matched with the reserved inner connecting pipe (304), the reserved clamping pipe (307) and the reserved inner connecting pipe (304) form a clamping relation, one side of the reserved clamping pipe (307) is fixedly connected with a limiting ring (308), and the elastic element (301), the connecting pipeline (302), the reserved sleeve pipe (303), the reserved inner connecting pipe (304) and the reserved clamping pipe (307) are coaxially arranged.
7. A small diameter short soluble bridge plug according to claim 4 wherein: fixed knobs (309) are inlaid in one sides of two ends of the reserved inner connecting pipe (304), and the fixed knobs (309) are distributed in an annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020845067.6U CN212317934U (en) | 2020-05-19 | 2020-05-19 | Small-diameter short soluble bridge plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020845067.6U CN212317934U (en) | 2020-05-19 | 2020-05-19 | Small-diameter short soluble bridge plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212317934U true CN212317934U (en) | 2021-01-08 |
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ID=74022060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020845067.6U Active CN212317934U (en) | 2020-05-19 | 2020-05-19 | Small-diameter short soluble bridge plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212317934U (en) |
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2020
- 2020-05-19 CN CN202020845067.6U patent/CN212317934U/en active Active
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