CN214221143U - Well cementation circulating tool and well cementation device for branched well using same - Google Patents
Well cementation circulating tool and well cementation device for branched well using same Download PDFInfo
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- CN214221143U CN214221143U CN202022498669.1U CN202022498669U CN214221143U CN 214221143 U CN214221143 U CN 214221143U CN 202022498669 U CN202022498669 U CN 202022498669U CN 214221143 U CN214221143 U CN 214221143U
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- connecting pipe
- shell
- side wall
- outer side
- well
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000005381 potential energy Methods 0.000 abstract description 6
- 239000011440 grout Substances 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 2
- 239000004568 cement Substances 0.000 description 10
- 239000002002 slurry Substances 0.000 description 9
- 238000003466 welding Methods 0.000 description 8
- 230000005489 elastic deformation Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a well cementation circulating tool and a well cementation device for a branch well using the same, which comprises two first shells and two second shells, wherein one adjacent side of the two first shells is communicated with a first connecting pipe, one adjacent side of the two second shells is communicated with a second connecting pipe, and one adjacent side of the first connecting pipe and the second connecting pipe is communicated with a third connecting pipe; the control solenoid valve is opened, grout can get into the third connecting pipe through first casing and first connecting pipe, then promote the steel ball and remove to the direction of fixed plate, then get into the main well through the second connecting pipe, thereby carry out the shutoff to it, then the steel ball can be pushed back by the elastic potential energy of second spring, thereby the follow is newly sealed with the third connecting pipe, and then prevent the adverse current of power grout, thereby the completion that makes the main well can be smooth seals, thereby the quality of well cementation has been guaranteed, and then can satisfy the operation requirement in later stage.
Description
Technical Field
The utility model relates to a circulation cementing tool technical field specifically is a cementing circulation tool and use well cementing device for branch well of this instrument.
Background
Cementing, i.e. a construction operation of lowering a casing into the well and injecting cement into the annular space between the well bore and the casing. Is an indispensable important link in the process of drilling and completing operations, and comprises casing running and cementing. The well cementation technology is a comprehensive application technology of multiple disciplines and has the characteristics of systematicness, disposability and short time. The main purpose of cementing is to protect and support the casing in the oil and gas well, and to seal off oil, gas and water formations.
The existing branch well hole cementing main process is that after a branch well hole is drilled, the cement slurry amount is estimated through the hole diameter measurement of the branch well hole, then cementing is carried out, cement slurry can enter a main well hole from the branch well hole, after the cement slurry enters the main well hole, the cement slurry can easily flow reversely to branch well holes, so that the upper part of the main well hole cannot be sealed, the cementing construction measures are limited, the cementing quality cannot be guaranteed, and the later operation requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a well cementation circulation tool and use well cementation device for branch well of this instrument to solve the problem that provides 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 well cementation circulation instrument, includes two first casings and two second casings, two adjacent one side intercommunication of first casing has first connecting pipe, two adjacent one side intercommunication of second casing has the second connecting pipe, first connecting pipe has the third connecting pipe with adjacent one side intercommunication of second connecting pipe, the inside wall symmetric welding of third connecting pipe has two baffles, the inside wall welding of third connecting pipe has the fixed plate, one side welding that the fixed plate is close to the baffle has first spring, the one end welding that the fixed plate was kept away from to first spring has the steel ball, one side laminating that first spring was kept away from to the steel ball is in the lateral wall of two baffles, two logical grooves have been seted up to the lateral wall symmetry of fixed plate.
As further preferable in the present technical solution: and the pipe orifice of the third connecting pipe is in threaded connection with an electromagnetic valve.
The utility model also provides a well cementing device for a branch well using the well cementing circulation tool, wherein the outer side wall of the first shell and the outer side wall of the second shell are both connected with two third shells in a sliding way, the upper part of one third shell close to one side of the other third shell is symmetrically provided with two first grooves, the upper part of the other third shell close to one side of the other third shell is symmetrically welded with two first connecting plates, the outer side wall of the first connecting plate is connected with the inner side wall of the first groove in a sliding manner, the inner side wall of the third shell is welded with second springs which are arranged at equal intervals on one side adjacent to the outer side wall of the first shell and the outer side wall of the second shell respectively, first spout has been seted up to the lower surface of first casing and the equal symmetry of the lower surface of second casing, the inside wall sliding connection of first spout has first slider, one side that first spout was kept away from to first slider welds in the inboard diapire of third casing.
As further preferable in the present technical solution: two second chutes are symmetrically formed in the outer side wall of the first connecting pipe and the outer side wall of the second connecting pipe, a second sliding block is connected to the inner side wall of the second chute in a sliding mode, and one side, far away from the second chute, of the second sliding block is welded to the lower portion of the outer wall of the third shell.
As further preferable in the present technical solution: two spacing grooves have been seted up to the inside wall symmetry of first recess, the inside wall sliding connection of spacing groove has the stopper, the stopper is kept away from one side of spacing groove and is welded in the lateral wall of first connecting plate.
As further preferable in the present technical solution: and the upper surface of one third shell is welded with a second connecting plate, and the outer side wall of the second connecting plate is hinged with a cover plate through a pin shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
the first shell and the second shell are respectively inserted into the branched well bore and the main well bore, the inner side walls of the branched well bore and the main well bore push the third shell to respectively move towards the directions of the first shell and the second shell and extrude the first spring, and then the third shell is tightly attached to the inner side walls of the branched well bore and the main well bore through the elastic potential energy of the first spring;
two, the control solenoid valve is opened, grout can get into the third connecting pipe through first casing and first connecting pipe, then promote the steel ball and remove to the direction of fixed plate, then get into the main well through the second connecting pipe, thereby carry out the shutoff to it, then the steel ball can be pushed back by the elastic potential energy of second spring, thereby the follow is newly sealed with the third connecting pipe, and then prevent the adverse current of power grout, thereby the completion that makes the main well can be smooth seals, thereby the quality of well cementation has been guaranteed, and then can satisfy the operation requirement in later stage.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of the structure of the region a in fig. 1 according to the present invention;
fig. 3 is an enlarged view of the structure of the region B in fig. 1 according to the present invention;
fig. 4 is a schematic view of a connection structure of two third housings of the present invention;
fig. 5 is a schematic view of a connection structure between the third connection pipe and the electromagnetic valve of the present invention.
In the figure: 1. a first housing; 2. a second housing; 3. a first connecting pipe; 4. a second connecting pipe; 5. a third connecting pipe; 6. a baffle plate; 7. a fixing plate; 8. a first spring; 9. a steel ball; 10. a through groove; 11. an electromagnetic valve; 12. a third housing; 13. a first groove; 14. a first connecting plate; 15. a second spring; 16. a first chute; 17. a first slider; 18. a second chute; 19. a second slider; 20. a limiting groove; 21. a limiting block; 22. a second connecting plate; 23. and (7) a cover plate.
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.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a well cementation circulation instrument, includes two first casings 1 and two second casings 2, two the adjacent one side intercommunication of first casing 1 has first connecting pipe 3, two the adjacent one side intercommunication of second casing 2 has second connecting pipe 4, first connecting pipe 3 has third connecting pipe 5 with the adjacent one side intercommunication of second connecting pipe 4, the inside wall symmetric welding of third connecting pipe 5 has two baffles 6, the inside wall welding of third connecting pipe 5 has fixed plate 7, one side welding that fixed plate 7 is close to baffle 6 has first spring 8, the one end welding that fixed plate 7 was kept away from to first spring 8 has steel ball 9, one side laminating that first spring 8 was kept away from to steel ball 9 is in the lateral wall of two baffles 6, two logical grooves 10 have been seted up to the lateral wall symmetry of fixed plate 7.
In this embodiment, specifically: the pipe orifice of the third connecting pipe 5 is in threaded connection with an electromagnetic valve 11; by providing the electromagnetic valve 11, the flow rate of the liquid can be controlled.
The utility model also provides a well cementation device for a branch well using the well cementation cycle tool, the outer side wall of the first shell 1 and the outer side wall of the second shell 2 are both connected with two third shells 12 in a sliding way, one of the upper parts of the third shells 12 close to one side of another third shell 12 is symmetrically provided with two first grooves 13, the upper part of the other of the third shells 12 close to one side of the third shell 12 is symmetrically welded with two first connecting plates 14, the outer side wall of the first connecting plate 14 is connected with the inner side wall of the first groove 13 in a sliding way, one side of the inner side wall of the third shell 12 adjacent to the outer side wall of the first shell 1 and the outer side wall of the second shell 2 is respectively welded with second springs 15 which are arranged at equal distance, the lower surface of the first shell 1 and the lower surface of the second shell 2 are both symmetrically provided with first chutes 16, the inner side wall of the first chutes 16 is connected with first sliders 17 in a sliding way, the side of the first sliding block 17 away from the first sliding chute 16 is welded to the inner bottom wall of the third shell 12.
In this embodiment, specifically: the outer side wall of the first connecting pipe 3 and the outer side wall of the second connecting pipe 4 are symmetrically provided with two second sliding grooves 18, the inner side wall of each second sliding groove 18 is connected with a second sliding block 19 in a sliding manner, and one side, far away from the second sliding grooves 18, of each second sliding block 19 is welded to the lower part of the outer wall of the third shell 12; the second slide groove 18 and the second slider 19 are provided to guide the third housing 12.
In this embodiment, specifically: two limiting grooves 20 are symmetrically formed in the inner side wall of the first groove 13, limiting blocks 21 are connected to the inner side wall of the limiting grooves 20 in a sliding mode, and one sides, far away from the limiting grooves 20, of the limiting blocks 21 are welded to the outer side wall of the first connecting plate 14; the first connecting plate 14 can be limited by the limiting groove 20 and the limiting block 21.
In this embodiment, specifically: a second connecting plate 22 is welded on the upper surface of one third shell 12, and a cover plate 23 is hinged to the outer side wall of the second connecting plate 22 through a pin shaft; by providing the cover plate 23, the notches of the first and second housings 1 and 2 are closed when not in use, thereby preventing foreign matter from entering the well therethrough.
When the working principle or the structural principle is used, the first shell 1 and the first connecting pipe 3 are inserted into a branch borehole, the second shell 2 and the second connecting pipe 4 are inserted into a main borehole, and then the first shell 2 and the second connecting pipe are communicated through the third connecting pipe 5, when the first shell 1 is inserted into the branch borehole, the inner side wall of the branch borehole can push the two third shells 12 to approach each other, so that the first connecting plate 14 slides towards the inside of the first groove 13, the third shells 12 move towards the direction of the first shell 1 and extrude the second spring 15 to generate elastic deformation, then the third shells 12 can be pushed back to the original position by the elastic potential energy generated after the second spring 15 generates elastic deformation, so that the third shells are tightly attached to the inner side wall of the branch borehole, so as to be closed, when the second shell 2 is inserted into the main borehole, the inner side wall of the main borehole can push the two third shells 12 to approach each other, so that the first connection plate 14 slides towards the inside of the first groove 13, the third shell 12 moves towards the direction of the second shell 2 and extrudes the second spring 15 to generate elastic deformation, then the third shell 12 is pushed back to the original position by the elastic potential energy generated after the second spring 15 generates elastic deformation, so that the third shell is tightly attached to the inner side wall of the main well bore to seal the main well bore, then the cover plate 23 is opened to use the main well bore and the branch well bore, when cement slurry needs to flow into the main well bore from the branch well bore, the electromagnetic valve 11 is controlled to be opened through the switch, then the cement slurry flows into the third connection pipe 5 through the first shell 1 and the first connection pipe 3, the steel ball 9 is pushed to move towards the direction of the fixing plate 7 and extrudes the first spring 8 to generate elastic deformation, and then the cement slurry flows into the second connection pipe 4 through the through groove 10, and finally, the cement slurry enters the main borehole, and then the steel ball 9 is pushed back to the original position by the elastic potential energy generated after the first spring 8 is elastically deformed to seal the third connecting pipe 5, so that the cement slurry in the main borehole is prevented from flowing back to the interior of the branch borehole.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A cementing cycle tool comprising two first housings (1) and two second housings (2), characterized in that: a first connecting pipe (3) is communicated with one adjacent side of the two first shells (1), a second connecting pipe (4) is communicated with one adjacent side of the two second shells (2), one side of the first connecting pipe (3) adjacent to the second connecting pipe (4) is communicated with a third connecting pipe (5), two baffles (6) are symmetrically welded on the inner side wall of the third connecting pipe (5), a fixed plate (7) is welded on the inner side wall of the third connecting pipe (5), a first spring (8) is welded on one side of the fixed plate (7) close to the baffle (6), one end of the first spring (8) far away from the fixed plate (7) is welded with a steel ball (9), one side of the steel ball (9) far away from the first spring (8) is attached to the outer side walls of the two baffles (6), two through grooves (10) are symmetrically formed in the outer side wall of the fixing plate (7).
2. A cementing cycle tool according to claim 1, wherein: and the pipe orifice of the third connecting pipe (5) is in threaded connection with an electromagnetic valve (11).
3. A cementing apparatus for a branch well using a cementing cycle tool, comprising a cementing cycle tool according to claim 1, characterized in that: the outer side wall of the first shell (1) and the outer side wall of the second shell (2) are both connected with two third shells (12) in a sliding manner, one third shell (12) is symmetrically provided with two first grooves (13) close to the upper part of one side of the other third shell (12), the other third shell (12) is symmetrically welded with two first connecting plates (14) close to the upper part of one side of the one third shell (12), the outer side wall of each first connecting plate (14) is connected with the inner side wall of each first groove (13) in a sliding manner, the inner side wall of the third shell (12) is respectively welded with second springs (15) which are arranged at equal intervals on the adjacent sides of the outer side wall of the first shell (1) and the outer side wall of the second shell (2), the lower surface of the first shell (1) and the lower surface of the second shell (2) are both symmetrically provided with first sliding grooves (16), the inside wall sliding connection of first spout (16) has first slider (17), one side that first spout (16) were kept away from in first slider (17) welds in the inboard diapire of third casing (12).
4. The branched well cementing apparatus using a cementing cycle tool according to claim 3, wherein: two second chutes (18) are symmetrically formed in the outer side wall of the first connecting pipe (3) and the outer side wall of the second connecting pipe (4), a second sliding block (19) is connected to the inner side wall of the second chute (18) in a sliding mode, and one side, far away from the second chute (18), of the second sliding block (19) is welded to the lower portion of the outer wall of the third shell (12).
5. The branched well cementing apparatus using a cementing cycle tool according to claim 3, wherein: two spacing grooves (20) have been seted up to the inside wall symmetry of first recess (13), the inside wall sliding connection of spacing groove (20) has stopper (21), one side that spacing groove (20) were kept away from in stopper (21) welds in the lateral wall of first connecting plate (14).
6. The branched well cementing apparatus using a cementing cycle tool according to claim 3, wherein: and a second connecting plate (22) is welded on the upper surface of one third shell (12), and the outer side wall of the second connecting plate (22) is hinged with a cover plate (23) through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022498669.1U CN214221143U (en) | 2020-11-03 | 2020-11-03 | Well cementation circulating tool and well cementation device for branched well using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022498669.1U CN214221143U (en) | 2020-11-03 | 2020-11-03 | Well cementation circulating tool and well cementation device for branched well using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214221143U true CN214221143U (en) | 2021-09-17 |
Family
ID=77696083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022498669.1U Expired - Fee Related CN214221143U (en) | 2020-11-03 | 2020-11-03 | Well cementation circulating tool and well cementation device for branched well using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214221143U (en) |
-
2020
- 2020-11-03 CN CN202022498669.1U patent/CN214221143U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210917 |