CN220687296U - Vortex pulse impactor for wax and scale prevention of oil production well - Google Patents
Vortex pulse impactor for wax and scale prevention of oil production well Download PDFInfo
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- CN220687296U CN220687296U CN202322468993.2U CN202322468993U CN220687296U CN 220687296 U CN220687296 U CN 220687296U CN 202322468993 U CN202322468993 U CN 202322468993U CN 220687296 U CN220687296 U CN 220687296U
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- production well
- rotating shaft
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Abstract
The utility model provides an eddy current pulse impactor for wax control and scale prevention of a production well, which comprises a body outer barrel, wherein a support frame is fixedly arranged in the body outer barrel, rotating shafts are rotatably arranged on the support frame and distributed along the axial direction of the body outer barrel, a turbine and an actuating disc are fixedly arranged on the rotating shafts from bottom to top, and a fixed disc is fixedly arranged in the body outer barrel positioned at the downstream of the actuating disc; the actuating disc and the fixed disc are provided with a plurality of overflow holes, and the impactor is made of wax-proof and scale-proof alloy materials; the utility model has the advantages of simple installation, simple maintenance, low cost and the like.
Description
Technical Field
The utility model belongs to the technical field of wax precipitation and scaling prevention in the petroleum exploitation process, and particularly relates to an eddy current pulse impactor for wax precipitation and scaling prevention of a production well.
Background
In the petroleum exploitation process, the wax deposition or/and scaling of pumps, pipes and rods in a production pipe column is a technical problem which is always puzzled to petroleum people, and as oil water contains mineral ions, wax, asphaltene and other components, the mineral ions can generate scaling crystal nuclei on the contact surface until crystal grains grow up and form a crystallization layer, and meanwhile, the components are influenced by the temperature and flow rate of the oil gas water, and the wax crystals and the asphaltene in the crude oil are mixed and deposited on the wall of a pipeline to form a scale layer. When the oil-gas-water rising process, the mineral ions and wax components are separated out from crude oil and reach the wall surface through convection and diffusion, then are continuously accumulated and thickened, so that the flow of the oil-gas water is blocked, the workload of a light person is increased, the heavy person needs to stop production and check pumps, the technical problem has been researched and treated at home and abroad, and the wax-preventing and scale-preventing tools such as a physical method, a chemical method, a heating method and the like are sequentially used for testing and application, but in the practical application process, the problems of high cost, inconvenient installation and disassembly of the device, formation damage, oil damage, environmental pollution and the like are caused, and the application effect is poor, so that new devices and technologies are needed to solve the problem.
Disclosure of Invention
The utility model solves the technical problems by adopting the following technical scheme:
the vortex pulse impactor for wax control and scale prevention of the oil production well comprises a body outer barrel, wherein a supporting frame is fixedly arranged in the body outer barrel, a rotating shaft is rotatably arranged on the supporting frame, the rotating shaft is distributed along the axial direction of the body outer barrel, a turbine and an actuating disc are fixedly arranged on the rotating shaft from bottom to top, and a fixed disc is fixedly arranged in the body outer barrel positioned at the downstream of the actuating disc;
and the actuating disc and the fixed disc are both provided with a plurality of overflow holes, and the impactor is made of wax-proof and scale-proof alloy materials.
Further, the turbine is provided with a plurality of spiral channels to form a vortex flow channel, and the vortex flow channel and the radial direction form a spiral structure with an angle of 40 degrees.
Furthermore, the number and distribution modes of the overflow holes on the actuating disc and the fixed disc are the same.
Further, the body outer cylinder is of a cylindrical hollow shell structure.
Further, the support frame comprises a lower support frame and an upper support frame, and a first runner and a second runner are respectively arranged on the lower support frame and the upper support frame.
Further, the turbine is mounted on the rotating shaft between the lower support frame and the upper support frame.
Further, the actuating disc is fixedly mounted at the downstream end of the rotating shaft and can rotate along with the rotation of the rotating shaft.
Further, the lower support frame and the upper support frame are fixedly connected with the outer cylinder of the body and are simultaneously connected with the rotating shaft in a rotating way through bearings.
The working principle of the utility model is as follows:
in the petroleum exploitation process, the material is completely made of wax-proof and scale-proof alloy materials, and the materials have high-performance ionization effect and can effectively prevent wax and scale from accumulating; secondly, when the oil-gas water rises and flows through the utility model, as the turbine is provided with a rotating runner, the center or a nearby area of the rotating runner generates larger kinetic energy under the consumption of fluid kinetic energy when seen in the radial direction of the inside of one rotating runner of the turbine, the transmission direction is from outside to inside, the rotating runner is close to the friction consumption energy of the oil-gas water and the runner wall in the outer layer area, the transmission direction is from inside to outside, wherein the energy forms various vortex structures with different sizes at the transmission inflection points in the radial direction of the turbine, the characteristics are that the energy continuously generates, develops and disappears, stable turbulence is generated, when the fluid of oil-water flows through the turbine, the turbine drives the turbine to rotate, the turbine drives the rotating shaft and the actuating disc to rotate, the fixed disc is fixed along with the rotation of the actuating disc, on the one hand, the oil-gas water flow is cut, on one hand, the area of a dynamic flow passage between the actuating disc and the fixed disc becomes larger and smaller regularly, when the flow hole of the actuating disc and the flow hole of the fixed disc are communicated with each other, the flow through area is largest, the flow speed of the oil gas water is lowest, and in the process that the flow hole of the actuating disc is gradually shielded by the fixed disc, the flow through area is smaller gradually until the flow hole of the actuating disc is completely shielded by the fixed disc, the disturbance effect of the oil gas water flow is largest, the oil gas water flow can strike the fixed disc, the impact direction changes along with the change of the flow area, so that the change of the flow characteristics of the oil gas water generates a hump curve along with the change of the flow area, the electrochemical effect and the vortex flow, so that the oil gas water forms a homogeneous emulsion, and wax precipitation and scaling are effectively prevented.
The utility model has the advantages and positive effects that:
the impactor is made of a wax-proof and scale-proof alloy material, is used in the petroleum exploitation process, and has the effect of inhibiting the formation of wax and scale from the viewpoint of the self material preparation; the stable vortex turbulence and electrochemical action can be generated under the action of the kinetic energy of the oil-gas water flow, so that the accumulation of wax and scale is effectively reduced; due to the special structures of the fixed disk and the actuating disk, stable pulsating flow can be formed, and oil-gas water flow can be impacted to different degrees when flowing through the dynamic flow channel, so that the oil-gas water flow is further stirred, and wax scale is further inhibited; the impactor disclosed by the utility model not only can be used independently, but also can be used together with other types of wax-proof and scale-proof devices, and meanwhile, the impactor is completely built on the basis of a pure mechanical structure, and has the advantages of simplicity in installation, simplicity in maintenance, low cost and the like.
Drawings
The technical solution of the present utility model will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for the purpose of illustration only and thus are not limiting the scope of the present utility model. Moreover, unless specifically indicated otherwise, the drawings are intended to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a cross-sectional view of the structure of the vortex pulse impactor for wax and scale control of a production well of the present utility model;
fig. 2 is a front view of the structure of the movable plate of the vortex pulse impactor for wax and scale control of the oil production well.
Detailed Description
First, it should be noted that the following detailed description of the specific structure, characteristics, advantages, and the like of the present utility model will be given by way of example, however, all descriptions are merely illustrative, and should not be construed as limiting the present utility model in any way. Furthermore, any single feature described or implied in the embodiments mentioned herein, or any single feature shown or implied in the figures, may nevertheless be continued in any combination or pruning between these features (or equivalents thereof) to obtain still further embodiments of the utility model that may not be directly mentioned herein. In addition, for the sake of simplicity of the drawing, identical or similar features may be indicated at one point in the same drawing.
The present utility model will be described in detail with reference to fig. 1 to 2.
The vortex pulse impactor for wax control and scale prevention of the oil production well comprises a body outer barrel 1, wherein a supporting frame is fixedly arranged in the body outer barrel, rotating shafts 7 are rotatably arranged on the supporting frame and distributed along the axial direction of the body outer barrel, a turbine 3 and an actuating disc 5 are fixedly arranged on the rotating shafts from bottom to top, and a fixed disc 6 is fixedly arranged in the body outer barrel positioned at the downstream of the actuating disc 5;
and the actuating disc 5 and the fixed disc 6 are respectively provided with a plurality of overflow holes, and the impactor is made of wax-proof and scale-proof alloy materials.
Specifically, the turbine 3 is mounted on the rotating shaft 7 between the lower support frame 2 and the upper support frame 4 and is fixed by a pin 12; the turbine 3 is provided with a plurality of spiral channels to form a vortex flow channel 10, and the vortex flow channel 10 forms a spiral structure of 40 degrees with the radial direction.
The support frame comprises a lower support frame 2 and an upper support frame 4, specifically, the outer edge of the lower support frame 2 is fixed with the inner wall of the body outer cylinder 1 in an interference manner, a through hole is formed in the middle of the lower support frame, a first bearing 8-2 is fixed at the middle through hole of the lower support frame in an interference manner, the lower support frame 2 is connected with the rotating shaft 7 through the first bearing 8-2, and a first runner 9-1 is arranged between the outer side of the through hole of the lower support frame 2 and the edge; the outer edge of the upper support frame 4 is fixed with the inner wall of the body outer cylinder 1 in an interference manner, a through hole is formed in the middle of the upper support frame, the second bearing 8-1 is fixed at the middle through hole of the upper support frame in an interference manner, the upper support frame 4 is connected with the rotating shaft 7 through the second bearing 8-1, and a second flow passage 9-2 is formed between the outer side of the through hole of the upper support frame 4 and the edge.
The actuating disc 5 is fixedly arranged at the downstream end of the rotating shaft and can rotate along with the rotation of the rotating shaft; the outer edge of the fixed disc 6 is welded and fixed with the inner wall of the outer barrel 1 of the body, the fixed disc is provided with overflow holes A with the same size and number as the actuating disc 5, and the distribution modes of the overflow holes on the actuating disc 5 and the fixed disc 6 are the same, so that a dynamic flow channel 11 for oil-gas-water pulsation impact is formed between the actuating disc 5 and the fixed disc 6; the turbine can rotate under the action of the oil gas water kinetic energy to drive the rotating shaft and the actuating disc to rotate, and the dynamic flow passage area between the actuating disc and the fixed disc is periodically changed, so that impinging pulsating fluid is generated.
In order to better achieve the effect of vortex pulse impact, it is conceivable that the body outer cylinder 1 has a cylindrical hollow shell structure.
In this embodiment, the turbine 3 adopts a spiral channel structure, and after the oil, gas and water flow upward through the support frame flow channel, various vortex structures with different sizes are formed at the propagation inflection points in the radial direction of the turbine after passing through the turbine, the fluid tends to turbulent flow, and meanwhile, the turbine is fixedly connected with the rotating shaft through the pin, and because the oil, gas and water generate transverse angular power when passing through the turbine vortex flow channel, the turbine rotates to drive the rotating shaft to rotate; the actuating disc is fixedly connected with the rotating shaft, the actuating disc is driven to rotate after the rotating shaft rotates, further, the actuating disc and the fixed disc are provided with a plurality of flow-through holes in the same direction, the actuating disc rotates, the flow-through area of a dynamic flow channel formed by the actuating disc and the fixed disc can be changed to be smaller, the oil gas water can collide with the dynamic flow channel in different degrees and different directions after passing through the dynamic flow channel, and the fluid can form pulsating fluid along with the change of the flow-through area of the dynamic channel, so that the fluid passing through the impactor has the characteristics and has good effects on wax prevention and scale prevention of the oil production pipe column.
The foregoing examples illustrate the utility model in detail, but are merely preferred embodiments of the utility model and are not to be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (8)
1. Be used for oil recovery well wax control scale control to use vortex pulse impactor, its characterized in that: the device comprises a body outer cylinder, wherein a supporting frame is fixedly arranged in the body outer cylinder, a rotating shaft is rotatably arranged on the supporting frame, the rotating shaft is distributed along the axial direction of the body outer cylinder, a turbine and an actuating disc are fixedly arranged on the rotating shaft from bottom to top, and a fixed disc is fixedly arranged in the body outer cylinder positioned at the downstream of the actuating disc;
and the actuating disc and the fixed disc are both provided with a plurality of overflow holes, and the impactor is made of wax-proof and scale-proof alloy materials.
2. The vortex pulse impactor for wax and scale control of a production well of claim 1, wherein: the turbine is provided with a plurality of spiral channels to form a vortex flow channel, and the vortex flow channel and the radial direction form a spiral structure of 40 degrees.
3. The vortex pulse impactor for wax and scale control of a production well of claim 1, wherein: the number, the size and the distribution mode of the overflow holes on the actuating disc and the fixed disc are the same.
4. The vortex pulse impactor for wax and scale control of a production well of claim 1, wherein: the body outer cylinder is of a cylindrical hollow shell structure.
5. The vortex pulse impactor for wax and scale control of a production well of claim 1, wherein: the support frame comprises a lower support frame and an upper support frame, and a first runner and a second runner are respectively arranged on the lower support frame and the upper support frame.
6. The vortex pulse impactor for wax and scale control of a production well according to claim 5, wherein: the turbine is arranged on the rotating shaft between the lower supporting frame and the upper supporting frame.
7. The vortex pulse impactor for wax and scale control of a production well of claim 1, wherein: the actuating disc is fixedly arranged at the downstream end of the rotating shaft and can rotate along with the rotation of the rotating shaft.
8. The vortex pulse impactor for wax and scale control of a production well according to claim 5, wherein: the lower support frame and the upper support frame are fixedly connected with the outer barrel of the body and are simultaneously connected with the rotating shaft in a rotating way through bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322468993.2U CN220687296U (en) | 2023-09-12 | 2023-09-12 | Vortex pulse impactor for wax and scale prevention of oil production well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322468993.2U CN220687296U (en) | 2023-09-12 | 2023-09-12 | Vortex pulse impactor for wax and scale prevention of oil production well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220687296U true CN220687296U (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322468993.2U Active CN220687296U (en) | 2023-09-12 | 2023-09-12 | Vortex pulse impactor for wax and scale prevention of oil production well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220687296U (en) |
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2023
- 2023-09-12 CN CN202322468993.2U patent/CN220687296U/en active Active
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