CN217380519U - Working barrel of pulse water distributor - Google Patents
Working barrel of pulse water distributor Download PDFInfo
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- CN217380519U CN217380519U CN202221296680.2U CN202221296680U CN217380519U CN 217380519 U CN217380519 U CN 217380519U CN 202221296680 U CN202221296680 U CN 202221296680U CN 217380519 U CN217380519 U CN 217380519U
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Abstract
The utility model relates to a pulse water distributor working barrel, including water distributor inner tube and water distributor urceolus, interior water injection well choke has been seted up to the symmetry on the inner wall of water distributor inner tube both sides, is equipped with first butt joint cavity on the water distributor inner tube outer wall, and outer water injection well choke has been seted up to the symmetry on the outer wall of water distributor urceolus both sides, is equipped with second butt joint cavity on the water distributor urceolus inner wall, is equipped with location installation component between water distributor inner tube, the water distributor urceolus, and interior water injection well choke, first butt joint cavity, second butt joint cavity, outer water injection well choke constitute helmholtz chamber structure. The Helmholtz cavity structure formed by the utility model ensures that the injection quantity is set according to the requirement of geological oil deposit when normal water injection is carried out, but the fluid flowing out of the water distributor is not the common stable flow, but the fluid flows in a pulsating mode; the pulse mode can effectively reduce the blockage of the near well zone. If necessary, a specific pump pressure and water injection flow rate can be designed on the ground to implement a blockage removal measure on the near well zone. The pulsating fluid can also improve the oil displacement efficiency of water injection.
Description
Technical Field
The utility model relates to a technical field of oil industry oil gas is opened and is adopted instrument especially relates to a pulse water injection mandrel.
Background
The common runner with a fixed aperture of the existing water distributor runner of the water injection well also has the technology of adjusting the size of the runner along with the development of an intelligent water injection tool. However, the flow passages of these water distributors are only passages for the fluid to flow through and have no other purpose. However, in the actual production of the water injection well, the situation that a near-well zone is easy to be blocked by dirt, normal water injection is affected, and acidification and blockage removal are needed often occurs; in order to ensure normal water injection and reduce acidification blockage removal measures, a tool is needed to be invented, and the near well zone of a water injection layer is not easy to block or can be simply blocked by a physical method after being blocked.
Disclosure of Invention
The utility model aims at improving the function of the water distributor and providing a pulse water distributor working barrel.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a pulse water distributor working barrel comprises a water distributor inner barrel and a water distributor outer barrel, inner water nozzles are symmetrically arranged on inner walls of two sides of the water distributor inner barrel, a first butt-joint cavity is formed in the outer wall of the water distributor inner barrel corresponding to the inner water nozzles, outer water nozzles are symmetrically arranged on outer walls of two sides of the water distributor outer barrel, a second butt-joint cavity is formed in the inner wall of the water distributor outer barrel corresponding to the outer water nozzles, positioning and mounting assemblies are arranged between the water distributor inner barrel and the water distributor outer barrel, the first butt-joint cavity and the second butt-joint cavity are matched and aligned, and the inner water nozzles, the first butt-joint cavity, the second butt-joint cavity and the outer water nozzles form a Helmholtz cavity structure.
Annular grooves are formed in the outer wall of the inner cylinder of the water distributor above and below the first butt-joint cavity, and O-shaped sealing rings are installed in the annular grooves.
An inner hole which penetrates through the water distributor outer cylinder up and down is arranged in the water distributor outer cylinder.
The positioning and mounting assembly comprises a step platform arranged on an inner hole of the outer cylinder of the water distributor, the step platform is positioned below the second butt-joint cavity, and the bottom of the inner cylinder of the water distributor is supported on the step platform.
The top of the inner cylinder of the water distributor is provided with a T-shaped connecting cylinder.
Through holes are arranged in the inner cylinder of the water distributor and the T-shaped connecting cylinder from top to bottom in a penetrating way, and the inner water nozzle is communicated with the through holes.
The top of the inner hole is of a round table structure with a wide upper part and a narrow lower part.
The lower end of the outer wall of the outer cylinder of the water distributor is of a round table structure with a wide upper part and a narrow lower part.
The beneficial effects of the utility model are that: the Helmholtz cavity structure formed by the utility model can set the injection amount according to the requirements of geological oil deposit when injecting water normally, but the fluid flowing out of the water distributor is not the usual stable flow any more, but the fluid flows in a pulsating mode; the pulse mode can effectively reduce the blockage of the near well zone. If necessary, a specific pump pressure and water injection flow rate can be designed on the ground to implement a blockage removal measure on the near well zone. The pulsating fluid can also improve the oil displacement efficiency of water injection.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-inner cylinder of water distributor; 2-outer cylinder of water distributor; 3-an internal water nozzle; 4-a first docking cavity; 5-external water nozzle; 6-a second docking cavity; 7-O-ring seals; 8-inner hole; 9-a step platform; a 10-T shaped connector barrel; 11-a through hole;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in figure 1, the pulse water distributor working barrel comprises a water distributor inner barrel 1 and a water distributor outer barrel 2, inner water nozzles 3 are symmetrically arranged on inner walls of two sides of the water distributor inner barrel 1, first butt joint cavities 4 are arranged on the outer wall of the water distributor inner barrel 1 corresponding to the inner water nozzles 3, outer water nozzles 5 are symmetrically arranged on outer walls of two sides of the water distributor outer barrel 2, second butt joint cavities 6 are arranged on the inner wall of the water distributor outer barrel 2 corresponding to the outer water nozzles 5, a positioning and installing assembly is arranged between the water distributor inner barrel 1 and the water distributor outer barrel 2, the first butt joint cavities 4 and the second butt joint cavities 6 are matched and aligned, and the inner water nozzles 3, the first butt joint cavities 4, the second butt joint cavities 6 and the outer water nozzles 5 form a Helmholtz cavity structure.
And annular grooves are arranged on the outer wall of the inner water distributor barrel 1 above and below the first butt-joint cavity 4, and O-shaped sealing rings 7 are arranged in the annular grooves.
An inner hole 8 which penetrates through the water distributor outer cylinder 2 from top to bottom is arranged in the water distributor outer cylinder.
The positioning and mounting assembly comprises a step platform 9 arranged on an inner hole 8 of the outer water distributor barrel 2, the step platform 9 is positioned below the second butt-joint cavity 6, and the bottom of the inner water distributor barrel 1 is supported on the step platform 9.
The top of the inner water distributor barrel 1 is provided with a T-shaped connecting barrel 10.
Through holes 11 penetrate through the inner water distributor barrel 1 and the T-shaped connecting barrel 10 from top to bottom, and the inner water nozzle 3 is communicated with the through holes 11.
The top of the inner hole 8 is a round table structure with a wide upper part and a narrow lower part, and the lower end of the outer wall of the outer cylinder 2 of the water distributor is a round table structure with a wide upper part and a narrow lower part. The design is favorable for connecting the upper water distributor and the lower water distributor.
The utility model discloses a special construction at the water injection mandrel, be exactly the helmholtz chamber structure that interior water injection well choke 3, first butt joint cavity 4, second butt joint cavity 6, outer water injection well choke 5 are constituteed particularly, "helmholtz chamber" refers to the resonance phenomenon of air in a chamber, for example blows the resonance that arouses at the bottleneck of an empty bottle. Designed and named in the 1850 s by Hellman von Helmholtz.
The special structure ensures that the injection quantity is set according to the requirements of geological oil reservoirs when normal water injection is carried out, but the fluid flows out of the water distributor in a pulsating mode instead of a normal stable flow; the pulse mode can effectively reduce the blockage of the near well zone. If necessary, a specific pump pressure and water injection flow rate can be designed on the ground to implement a blockage removal measure on the near well zone. The pulsating fluid can also improve the oil displacement efficiency of water injection.
The utility model discloses specific use as follows:
the outer cylinder 2 of the water distributor is lowered into the well along with the water injection pipe column (the inner drift diameters of different outer cylinders 2 of the water distributor, namely the inner holes 8, are from bottom to top, and the inner drift diameters are from small to large, so that multi-stage water distribution work is realized); when injection allocation or allocation is needed, steel wire operation is put into the inner cylinder 1 of the water distributor; the inner water nozzle 3 on the inner water distributor barrel 1 is determined according to the measured water absorption index and the geological oil reservoir injection allocation amount, and after the inner water distributor barrel 1 is put into position, the inner water nozzle 3, the first butt-joint cavity 4, the second butt-joint cavity 6 and the outer water nozzle 5 form a Helmholtz cavity together. Thus, after water flows through the Helmholtz cavity, the water flow has pulse water flow characteristics, and the pulse generates fluctuation, so that the water injection efficiency is favorably prevented and provided.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited to the above embodiments, and all the modifications made by the method and the technical solution of the present invention or directly applied to other occasions without modification are within the protection scope of the present invention.
Claims (8)
1. The utility model provides a pulse water distributor working barrel, a serial communication port, including water distributor inner tube (1) and water distributor urceolus (2), interior water injection well choke (3) have been seted up on the symmetry on the inner wall of water distributor inner tube (1) both sides, it is equipped with first butt joint cavity (4) to correspond interior water injection well choke (3) on water distributor inner tube (1) outer wall, outer water injection well choke (5) have been seted up on the symmetry on water distributor urceolus (2) both sides outer wall, it is equipped with second butt joint cavity (6) to correspond outer water injection well choke (5) on water distributor urceolus (2) inner wall, be equipped with location installation component between water distributor inner tube (1), water distributor urceolus (2), first butt joint cavity (4) and second butt joint cavity (6) cooperation counterpoint, interior water injection well choke (3), first butt joint cavity (4), second butt joint cavity (6), outer water injection well choke (5) constitution helmholtz chamber structure.
2. A pulse water distributor working barrel according to claim 1, wherein the outer wall of the inner barrel (1) of the water distributor is provided with annular grooves above and below the first butt-joint cavity (4), and the annular grooves are internally provided with O-shaped sealing rings (7).
3. A pulse water distributor working barrel according to claim 2, characterized in that an inner hole (8) is arranged in the outer barrel (2) of the water distributor and penetrates up and down.
4. A pulse water distributor mandrel as claimed in claim 3, wherein the locating and mounting assembly comprises a step platform (9) arranged on the inner bore (8) of the outer water distributor barrel (2), the step platform (9) is located below the second butt cavity (6), and the bottom of the inner water distributor barrel (1) is supported on the step platform (9).
5. A pulse water distributor working barrel according to claim 4, characterized in that the top of the inner barrel (1) of the water distributor is provided with a T-shaped connecting barrel (10).
6. A pulse water distributor working barrel according to claim 5, characterized in that through holes (11) penetrate through the inner barrel (1) and the T-shaped connecting barrel (10) from top to bottom, and the inner water nozzle (3) is communicated with the through holes (11).
7. A pulse water distributor working barrel according to claim 6, wherein the top of the inner hole (8) is of a truncated cone structure with a wide upper part and a narrow lower part.
8. A pulse water distributor working barrel according to claim 7, wherein the lower end of the outer wall of the water distributor outer barrel (2) is of a circular truncated cone structure with a wide upper part and a narrow lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221296680.2U CN217380519U (en) | 2022-05-27 | 2022-05-27 | Working barrel of pulse water distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221296680.2U CN217380519U (en) | 2022-05-27 | 2022-05-27 | Working barrel of pulse water distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217380519U true CN217380519U (en) | 2022-09-06 |
Family
ID=83089918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221296680.2U Active CN217380519U (en) | 2022-05-27 | 2022-05-27 | Working barrel of pulse water distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217380519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116771310A (en) * | 2023-08-22 | 2023-09-19 | 大庆市华禹石油机械制造有限公司 | Water distributor for petroleum exploitation |
-
2022
- 2022-05-27 CN CN202221296680.2U patent/CN217380519U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116771310A (en) * | 2023-08-22 | 2023-09-19 | 大庆市华禹石油机械制造有限公司 | Water distributor for petroleum exploitation |
| CN116771310B (en) * | 2023-08-22 | 2023-12-29 | 大庆市华禹石油机械制造有限公司 | Water distributor for petroleum exploitation |
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