CN219365994U - Wellhead plugging device for petroleum horizontal well - Google Patents
Wellhead plugging device for petroleum horizontal well Download PDFInfo
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- CN219365994U CN219365994U CN202320828882.5U CN202320828882U CN219365994U CN 219365994 U CN219365994 U CN 219365994U CN 202320828882 U CN202320828882 U CN 202320828882U CN 219365994 U CN219365994 U CN 219365994U
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- fixed
- shutoff pipe
- plugging device
- wellhead
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a wellhead plugging device for a petroleum horizontal well, which comprises a fixed disc with a hollow inner structure, wherein a plugging tube is arranged in the fixed disc, an installation disc is fixed on the outer surface of the fixed disc, a plurality of groups of installation holes are uniformly fixed in the installation disc, clamping grooves are respectively formed in two sides of the inner wall of the fixed disc, a clamping buckle assembly matched with the two groups of clamping grooves is formed on the outer surface of the plugging tube, a sealing disc is fixed at the bottom of the plugging tube, two groups of fixed plates are fixed in the inner bottom of the plugging tube, and expansion assemblies are respectively arranged at the tops of the two groups of fixed plates. The stability between external screw thread and the internal screw thread is convenient for improve through being provided with the buckle subassembly to the restriction shutoff pipe rotates, reduces its shutoff pipe and receives the pressure and produce the leakage that the vibration led to, seals the well head through being provided with the sealing disk, is convenient for improve the frictional force between shutoff pipe and the well head through being provided with the inflation subassembly, and then improves the cohesion, thereby its stability of reinforcing shutoff.
Description
Technical Field
The utility model belongs to the technical field of wellhead plugging, and particularly relates to a wellhead plugging device for a petroleum horizontal well.
Background
The horizontal well is mainly used for development of carbonate fractured reservoirs, reservoirs with gas tops or bottom water, thin-layer reservoirs, low-permeability reservoirs, heavy oil reservoirs, high-water-content artificial water-injection reservoirs and the like, is suitable for thin hydrocarbon reservoirs or fractured hydrocarbon reservoirs, and aims to increase the exposed area of hydrocarbon reservoirs, and after the horizontal well is excavated, the horizontal well needs to be closed through wellhead plugging equipment to prevent oil and gas leakage.
As in the patent application of CN216277776U, the present utility model works to more stably plug the wellhead, prevent the plugging failure caused by external force, the barb is convenient to insert into the sidewall of the wellhead under the external force, and insert into the sidewall of the wellhead deeper along with the movement of the moving pipe, so as to stably install the present utility model at the wellhead, the reinforcement mechanism is convenient to drive the moving pipe to move through its rotation, and force the connection plates away from each other when the moving pipe approaches the mechanical fixing mechanism, so that the barb is inserted into the sidewall of the wellhead deeply; but in use, the barb is difficult to detach from the outside after being installed, so that the technology is complicated when the wellhead is required to be unsealed, the engineering progress is affected, and therefore, the wellhead plugging device for the petroleum horizontal well is provided.
Disclosure of Invention
The utility model aims to provide a wellhead plugging device for a petroleum horizontal well, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a petroleum horizontal well head plugging device, includes that inside structure is hollow fixed disk, the inside of fixed disk is provided with the shutoff pipe, the surface mounting of fixed disk has the mounting disc, the inside multiunit mounting hole that evenly is fixed with of mounting disc, the both sides of fixed disk inner wall are constructed respectively and are had the draw-in groove, the surface construction of shutoff pipe has the buckle subassembly with two sets of draw-in groove adaptations, the bottom of shutoff pipe is fixed with the sealing disk, the inner bottom of shutoff pipe is fixed with two sets of fixed plates, two sets of the top of fixed plate is provided with expansion assembly respectively.
Preferably, the expansion assembly comprises rotary tables which are respectively connected to the tops of the two groups of fixed plates in a rotary mode, the tops of the two groups of rotary tables are uniformly and movably connected with a plurality of groups of cranks, and one ends, far away from each other, of the plurality of groups of cranks are respectively and movably connected with a collision plate.
Preferably, the outer surface of the plugging tube is uniformly provided with a plurality of groups of grooves, a plurality of groups of grooves are respectively matched with a plurality of groups of abutting plates, a plurality of groups of sliding rails are uniformly fixed at the top of the fixing plate, and a plurality of groups of abutting plates are respectively and slidably connected in the plurality of groups of sliding rails.
Preferably, the top of shutoff pipe rotates and is connected with the bull stick, the bottom of bull stick runs through the shutoff pipe respectively and extends to the inside fixed connection of two sets of fixed plates, the top of bull stick is fixed with the handle.
Preferably, the buckle subassembly is including being fixed in the empty slot of shutoff pipe both sides, two sets of the inner wall that the empty slot is close to each other is fixed with the telescopic link respectively, two sets of the telescopic link's flexible end fixedly connected with fixture block respectively, two sets of the fixture block is fit with two sets of draw-in grooves respectively.
Preferably, the outer surfaces of the two groups of telescopic rods are respectively sleeved with springs, one ends of the two groups of springs are respectively fixedly connected with the two groups of clamping blocks, and the other ends of the two groups of springs are respectively fixedly connected with the inner walls of the two groups of empty slots.
Preferably, the external surface of shutoff pipe and be located the below of empty slot and be fixed with the external screw thread, the inner wall structure of fixed disk has the internal screw thread, external screw thread and internal screw thread matching, the top of shutoff pipe is fixed with the stem.
Compared with the prior art, the utility model has the beneficial effects that:
(1) This equipment drives the bull stick through rotating the handle and rotates thereby drives two sets of turntables and rotate to drive multiunit crank and rotate, make its crank and conflict angle between the board approach gradually the degree, thereby promote multiunit conflict board and keep away from each other and then stretch out from the fluting, finally conflict well head intraductal wall, but reverse rotation handle when need withdraw multiunit conflict board can, sealed to the well head through being provided with the sealing disc, through being provided with handle convenient to use person's operation. The expansion assembly is arranged to facilitate improvement of friction force between the plugging pipe and the wellhead, so that adhesion force is improved, and stability of plugging is enhanced.
(2) This equipment drives the shutoff pipe through rotating the rotating handle and rotates for it is fixed with internal thread threaded connection, after internal thread and complete connection accomplish, the empty slot is close to draw-in groove department gradually, make the fixture block receive inside conflict entering empty slot of fixed disk, when the fixture block removes to draw-in groove department, the fixture block receives in the elasticity promotion of spring gets into the draw-in groove, thereby the rotation of spacing shutoff pipe is convenient for improve the stability between external screw thread and the internal thread through being provided with the buckle subassembly, thereby restrict the shutoff pipe rotation, reduce its shutoff pipe and receive the pressure to produce the leakage that vibrates and lead to.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic structural view of a fixing plate according to the present utility model;
FIG. 3 is a schematic structural view of a plugging tube according to the present utility model;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present utility model;
fig. 5 is an enlarged view of the structure of the expansion assembly of the present utility model.
In the figure: 1. a fixed plate; 101. a mounting plate; 102. a clamping groove; 103. an internal thread; 2. plugging the pipe; 201. a sealing plate; 202. slotting; 203. a rotating handle; 204. an external thread; 3. a fixing plate; 301. a slide rail; 302. a contact plate; 303. a crank; 304. a turntable; 305. a rotating rod; 306. a handle; 4. a hollow groove; 401. a telescopic rod; 402. a clamping block; 403. and (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model provides a wellhead plugging device for a petroleum horizontal well, which comprises a fixing disc 1 with a hollow inner structure, wherein a plugging tube 2 is arranged in the fixing disc 1, a mounting disc 101 is fixed on the outer surface of the fixing disc 1, a plurality of groups of mounting holes are uniformly fixed in the mounting disc 101, clamping grooves 102 are respectively formed on two sides of the inner wall of the fixing disc 1, a sealing disc 201 is fixed at the bottom of the plugging tube 2, two groups of fixing plates 3 are fixed at the inner bottom of the plugging tube 2, expansion assemblies are respectively arranged at the tops of the two groups of fixing plates 3, each expansion assembly comprises a turntable 304 respectively connected to the tops of the two groups of fixing plates 3 in a rotating manner, a plurality of groups of cranks 303 are uniformly and movably connected to the tops of the two groups of turntable 304, a plurality of pushing plates 302 are respectively and movably connected to one ends of the plurality of the cranks 303, a plurality of groups of slots 202 are uniformly formed on the outer surface of the plugging tube 2, a plurality of groups of pushing plates 302 are respectively matched with the plurality of sliding rails 301, a plurality of groups of sliding rails 301 are respectively uniformly fixed on the tops of the two groups of fixing plates 3, the pushing plates 302 are respectively slidably connected to the plurality of the sliding rails 301, two groups of the tops of the plugging tube 2 are rotatably connected to the rotating rods, the bottoms of 305 respectively extend through the bottoms of the plugging tube 2 to the two groups of fixing plates 2 to the tops of the fixing plates 3, and the handles 306 are fixedly connected to the tops of the handles 306.
In this embodiment, preferably, the rotating rod 305 is driven to rotate by the rotating handle 306 so as to drive the two groups of turntables 304 to rotate, thereby driving the multiple groups of cranks 303 to rotate, so that the angle between the cranks 303 and the abutting plates 302 is gradually close to 180 degrees, thereby pushing the multiple groups of abutting plates 302 to be away from each other and further extend out from the slot 202, finally abutting against the inner wall of the wellhead pipe, and when the multiple groups of abutting plates 302 need to be retracted, the handle 306 can be reversely rotated, and the wellhead is sealed by the sealing disc 201, so that the operation of a user is facilitated by the handle 306. The expansion assembly is arranged to facilitate the improvement of the friction force between the plugging tube 2 and the wellhead, so that the adhesion force is improved, and the stability of plugging is enhanced.
Referring to fig. 1-4, the utility model provides a wellhead plugging device for a petroleum horizontal well, which comprises a fixing disc 1 with a hollow inner structure, wherein a plugging tube 2 is arranged in the fixing disc 1, a mounting disc 101 is fixed on the outer surface of the fixing disc 1, a plurality of groups of mounting holes are uniformly fixed in the mounting disc 101, clamping grooves 102 are respectively formed on two sides of the inner wall of the fixing disc 1, a clamping assembly matched with the two groups of clamping grooves 102 is formed on the outer surface of the plugging tube 2, a sealing disc 201 is fixed on the bottom of the plugging tube 2, two groups of fixing plates 3 are fixed on the inner bottom of the plugging tube 2, the clamping assembly comprises empty slots 4 fixed on two sides of the plugging tube 2, telescopic rods 401 are respectively fixed on inner walls, close to each other, clamping blocks 402 are respectively fixedly connected to telescopic ends of the two groups of telescopic rods 401, springs 403 are respectively sleeved on the outer surfaces of the two groups of telescopic rods 401, one ends of the two groups of springs 403 are respectively fixedly connected with the two groups of clamping blocks 402, the other ends of the two groups of springs 403 are respectively fixedly connected with the inner walls of the two groups of clamping blocks 102, the two groups of springs 4 are respectively, empty slots 103 are respectively arranged on the outer surfaces of the sealing tube 2, empty slots 103 are positioned below the inner walls of the plugging tube 2, the empty slots 103 are fixedly screwed with the inner screw threads 204, and the outer screw threads of the plugging tube 2 is fixedly screwed with the inner screw threads of the plugging tube 2, and the empty handles 204 is fixedly screwed with the inner screw threads of the inner wall of the plugging tube 2.
In this embodiment, preferably, the plugging tube 2 is driven to rotate by rotating the rotating handle 203, so that the external thread 204 and the internal thread 103 are in threaded connection for fixing, after the internal thread 103 and the external thread 204 are completely connected, the empty slot 4 is gradually close to the clamping slot 102, so that the clamping block 402 is pressed into the empty slot 4 by the inside of the fixing disc 1, when the clamping block 402 moves to the clamping slot 102, the clamping block 402 is pushed into the clamping slot 102 by the elastic force of the spring 403, thereby limiting the rotation of the plugging tube 2, improving the stability between the external thread 204 and the internal thread 103 by being provided with a buckle component, limiting the rotation of the plugging tube 2, and reducing the leakage caused by the vibration of the pressure of the plugging tube 2.
The working principle and the using flow of the utility model are as follows: when the device is used, the fixing disc 1 is installed at a wellhead of a horizontal well, multiple groups of installation holes are formed in the installation disc 101 for fixing installation, then the plugging tube 2 passes through the fixing disc 1, then the rotary handle 203 drives the plugging tube 2 to rotate, the external threads 204 are fixedly connected with the internal threads 103, after the internal threads 103 are completely connected with the external threads 204, the empty slot 4 is gradually close to the clamping slot 102, the clamping block 402 is pushed into the empty slot 4 by the inside of the fixing disc 1, when the clamping block 402 moves to the clamping slot 102, the clamping block 402 is pushed into the clamping slot 102 by the elasticity of the spring 403, so that the plugging tube 2 is limited to rotate, then the rotary handle 306 drives the rotary rod 305 to rotate so as to drive the two groups of rotary tables 304 to rotate, multiple groups of cranks 303 are driven to enable the angle between the cranks 303 and the interference plates 302 to gradually approach 180 degrees, the multiple groups of interference plates 302 are pushed away from each other so as to extend from the slotting 202, and finally the inner wall of the wellhead tube is required to be retracted, and the handle 306 can be reversely rotated when the multiple groups of interference plates 302 are required.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a petroleum horizontal well head plugging device, includes that inside structure is hollow fixed disk (1), its characterized in that: the inside of fixed disk (1) is provided with shutoff pipe (2), the external surface fixed of fixed disk (1) is equipped with mounting disc (101), the inside multiunit mounting hole that evenly is fixed with of mounting disc (101), draw-in groove (102) are constructed respectively to the both sides of fixed disk (1) inner wall, the surface of shutoff pipe (2) is constructed with the buckle subassembly with two sets of draw-in groove (102) adaptation, the bottom of shutoff pipe (2) is fixed with sealing disk (201), the inner bottom of shutoff pipe (2) is fixed with two sets of fixed plates (3), two sets of the top of fixed plate (3) is provided with expansion assembly respectively.
2. The wellhead plugging device for petroleum horizontal wells according to claim 1, wherein: the expansion assembly comprises rotary tables (304) which are respectively connected to the tops of the two groups of fixed plates (3) in a rotary mode, a plurality of groups of cranks (303) are evenly and movably connected to the tops of the two groups of rotary tables (304), and one ends, far away from each other, of the plurality of groups of cranks (303) are respectively and movably connected with a collision plate (302).
3. The wellhead plugging device for petroleum horizontal wells according to claim 2, wherein: the outer surface of the plugging tube (2) is uniformly provided with a plurality of groups of grooves (202), a plurality of groups of grooves (202) are respectively matched with a plurality of groups of abutting plates (302), a plurality of groups of sliding rails (301) are uniformly fixed at the top of the fixing plate (3), and a plurality of groups of abutting plates (302) are respectively and slidably connected in the plurality of groups of sliding rails (301).
4. The wellhead plugging device for petroleum horizontal wells according to claim 2, wherein: the top of shutoff pipe (2) rotates and is connected with bull stick (305), the inside fixed connection that bull stick (305) bottom runs through shutoff pipe (2) extension to two sets of fixed plates (3) respectively, the top of bull stick (305) is fixed with handle (306).
5. The wellhead plugging device for petroleum horizontal wells according to claim 1, wherein: the buckle assembly comprises empty slots (4) fixed on two sides of the plugging tube (2), two groups of telescopic rods (401) are respectively fixed on inner walls of the empty slots (4) close to each other, clamping blocks (402) are respectively fixedly connected to telescopic ends of the telescopic rods (401), and the two groups of clamping blocks (402) are respectively matched with the two groups of clamping slots (102).
6. The wellhead plugging device for petroleum horizontal wells of claim 5, wherein: the outer surfaces of the two groups of telescopic rods (401) are respectively sleeved with springs (403), one ends of the two groups of springs (403) are respectively fixedly connected with the two groups of clamping blocks (402), and the other ends of the two groups of springs (403) are respectively fixedly connected with the inner walls of the two groups of empty slots (4).
7. The wellhead plugging device for petroleum horizontal wells according to claim 1, wherein: the external surface of shutoff pipe (2) and be located the below of empty slot (4) and be fixed with external screw thread (204), the inner wall structure of fixed disk (1) has internal screw thread (103), external screw thread (204) and internal screw thread (103) screw thread matching, the top of shutoff pipe (2) is fixed with stem (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320828882.5U CN219365994U (en) | 2023-04-14 | 2023-04-14 | Wellhead plugging device for petroleum horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320828882.5U CN219365994U (en) | 2023-04-14 | 2023-04-14 | Wellhead plugging device for petroleum horizontal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219365994U true CN219365994U (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320828882.5U Active CN219365994U (en) | 2023-04-14 | 2023-04-14 | Wellhead plugging device for petroleum horizontal well |
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| Country | Link |
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| CN (1) | CN219365994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027708A (en) * | 2023-08-10 | 2023-11-10 | 建湖县鸿达阀门管件有限公司 | Remote visual and monitored gas production wellhead device |
-
2023
- 2023-04-14 CN CN202320828882.5U patent/CN219365994U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027708A (en) * | 2023-08-10 | 2023-11-10 | 建湖县鸿达阀门管件有限公司 | Remote visual and monitored gas production wellhead device |
| CN117027708B (en) * | 2023-08-10 | 2024-01-30 | 建湖县鸿达阀门管件有限公司 | Remote visual and monitored gas production wellhead device |
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