CN113090229A - Physical and chemical combined paraffin control and viscosity reduction device - Google Patents
Physical and chemical combined paraffin control and viscosity reduction device Download PDFInfo
- Publication number
- CN113090229A CN113090229A CN202110445693.5A CN202110445693A CN113090229A CN 113090229 A CN113090229 A CN 113090229A CN 202110445693 A CN202110445693 A CN 202110445693A CN 113090229 A CN113090229 A CN 113090229A
- Authority
- CN
- China
- Prior art keywords
- vortex
- component
- crude oil
- jet flow
- medicament
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing, limiting or eliminating the deposition of paraffins or like substances
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/0015—Whirl chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/002—Influencing flow of fluids by influencing the boundary layer
- F15D1/0025—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply
- F15D1/003—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/002—Influencing flow of fluids by influencing the boundary layer
- F15D1/0065—Influencing flow of fluids by influencing the boundary layer using active means, e.g. supplying external energy or injecting fluid
- F15D1/008—Influencing flow of fluids by influencing the boundary layer using active means, e.g. supplying external energy or injecting fluid comprising fluid injection or suction means
Abstract
The invention discloses a physical-chemical combination wax-proof viscosity reduction device, which comprises a cylinder body, an inlet jet flow acceleration component, a vortex forming component, a fluid cavitation component, a solid medicament reaction chamber and an outlet jet flow acceleration component, wherein the inlet jet flow acceleration component, the vortex forming component and the outlet jet flow acceleration component are arranged in the cylinder body, a crude oil jet acceleration hole is formed in the inlet jet flow acceleration component, the vortex forming component is used for enabling crude oil to generate vortex, the fluid cavitation component is provided with a vortex flow guide blade which enables crude oil to generate cavitation in the flowing process, a central pipe and a medicament partition plate are arranged in the solid medicament reaction chamber, the medicament partition plate is arranged around the central pipe in a fan-shaped layered mode in the vertical direction, small holes are formed in the medicament partition plate, medicaments are filled between the medicament partition plates, and gas, liquid and solid phases in the crude oil. The invention can improve the flow velocity of the crude oil, ensure that the crude oil and the solid medicament are fully fused and reacted, and can keep good wax-proof, scale-proof and viscosity-reducing effects for a long time.
Description
Technical Field
The invention relates to the technical field of oil well underground wax control, in particular to a physical and chemical combination wax control and viscosity reduction device.
Background
In oil field production, wax in crude oil is separated out due to changes in conditions such as pressure, temperature and the like and slowly deposits on the wall of a tubing, and in order to solve the problem, a plurality of wax-proof devices are provided. In the wax-proof and scale-proof device in the prior art, the wax-proof and viscosity reduction is usually realized by adopting the technologies of strong magnetic field, ultrasonic wave, heating, vortex and the like, but when the modes of strong magnetic field, ultrasonic wave, heating, external force increase of vortex and the like are adopted, the structure becomes more complex, and the manufacturing cost and the subsequent use and maintenance cost are increased.
The patent with the granted publication number of CN211524773U and the patent name of 'an oil well wax-proof and scale-proof device' discloses a wax-proof and scale-proof device which comprises a flow guide device, a wax-proof block, a scale-proof block, a taper hole and the like.
However, the above-mentioned wax-proof and scale-proof device has the following disadvantages: 1. the conical hole arranged in the anti-scaling cylinder has little influence on the change of the flow velocity and the flow state of the crude oil. 2. The wax-proof device has short effective period due to the factors of small storage capacity, high dissolution speed and the like of the solid medicament.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a physical and chemical combination paraffin control and viscosity reduction device, which can increase the flow velocity of crude oil, make the crude oil and solid medicament more fully perform a fusion reaction, and can maintain good paraffin control, scale prevention and viscosity reduction effects for a long time.
In order to achieve the purpose, the invention adopts the following technical scheme:
a physical and chemical combination wax-proof viscosity-reducing device comprises a cylinder body, an inlet jet flow accelerating component, a vortex forming component, a fluid cavitation component, a solid medicament reaction chamber and an outlet jet flow accelerating component which are arranged in the cylinder body, the inlet jet flow accelerating component is provided with a crude oil jet accelerating hole, the vortex forming component is used for enabling crude oil to generate vortex, the fluid cavitation component is provided with a vortex guide vane which leads the crude oil to generate cavitation in the flow, the solid medicament reaction chamber is internally provided with a central tube and medicament partition plates which are arranged in a fan-shaped layered manner around the central tube in the vertical direction, the medicament separation plates are provided with small holes, medicaments are filled between the adjacent medicament separation plates, and gas, liquid and solid phases in the modified crude oil in the solid medicament reaction chamber are fully melted and emulsified and flow out from the outlet jet flow acceleration part pore passage.
Furthermore, the vortex forming component comprises a vortex ejector and a vortex generating device, the vortex generating device is sleeved in the vortex ejector, the outer wall of the vortex ejector is fixed on the inner wall of the cylinder, a fluid limiting component is arranged between the vortex generating device and the fluid cavitation component, a conical channel is arranged in the fluid limiting component, a spiral cone is arranged in the vortex generating device, and the spiral cone and the conical channel are matched to enable the flowing crude oil to generate a vortex.
Furthermore, a flow guide pointed cone is arranged at the front end of the vortex generating device.
Further, a first jet flow accelerating disc is arranged between the fluid cavitation component and the solid medicament reaction chamber.
Furthermore, the first jet flow accelerating disc is provided with a pore passage with a large inlet and a small outlet.
Furthermore, a second jet flow accelerating disc and an outlet vortex flow guide component are arranged between the solid medicament reaction chamber and the outlet jet flow accelerating component.
Further, the solid medicament reaction chamber is detachably mounted in the barrel.
The invention has the following beneficial effects:
1. according to the invention, the inlet jet flow accelerating component, the vortex forming component, the fluid cavitation component, the solid medicament reaction chamber and the outlet jet flow accelerating component are arranged, so that the flow velocity of crude oil flowing through the inlet jet flow accelerating component can be improved, the crude oil and the solid medicament are subjected to fusion reaction more fully, and the wax-proof anti-scaling viscosity-reducing device has good wax-proof anti-scaling and viscosity-reducing effects.
2. The inlet jet flow accelerating component and the vortex forming component can accelerate crude oil flowing through the inlet jet flow accelerating component and the vortex forming component for many times, and the spiral cone arranged in the vortex forming component is matched with the conical channel, so that the flowing crude oil generates better disturbance vortex, and the flowing crude oil is in full contact with subsequent medicaments.
3. The fluid cavitation component can cause the crude oil to generate cavitation in the flow, generate high temperature and high pressure to destroy a wax crystal structure, and prevent wax from being separated out.
4. The solid medicament reaction chamber is internally provided with a central tube and medicament partition plates which are arranged in a fan-shaped layered manner around the central tube at a certain angle in the vertical direction, and a plurality of layers of medicaments are filled between the medicament partition plates, so that crude oil enters from small holes to fully react with the solid medicaments, the crude oil and the solid medicaments are fully fused and reacted to be modified, and the crude oil is ejected through the jet flow acceleration disc and the outlet vortex flow guide component after the reaction, so that gas, liquid and solid phases in the crude oil are fully fused and emulsified, and a better wax-proof viscosity reduction effect is achieved.
Drawings
FIG. 1 is a schematic cross-sectional view of the physical-chemical combination paraffin-control viscosity-reducing device of the present invention.
FIG. 2 is a schematic top view of the vortex generating device of the present invention.
Fig. 3 is a perspective view of a fluid cavitation device of the present invention.
Fig. 4 is a schematic top view of a solid chemical reaction chamber according to the present invention.
Fig. 5 is a schematic top view of a first jet accelerator disk of the present invention.
Description of reference numerals:
1. a barrel; 2. an inlet jet acceleration component; 21. a crude oil injection acceleration hole; 3. a vortex forming member; 31. a vortex ejector; 32. a vortex generating device; 321. a helical cone; 322. a diversion pointed cone; 4. a fluid cavitation component; 41. a vortex guide vane; 5. a solid medicament reaction chamber; 51. a central tube; 52. a medicament partition plate; 521. a small hole; 6. an outlet jet acceleration component; 7. a fluid restraining component; 71. a tapered channel; 8. a first jet accelerator disk; 9. a second jet accelerator disk; 10. an outlet vortex flow guide member.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
referring to fig. 1-5, a physical and chemical combination paraffin control viscosity reduction device comprises a cylinder 1, an inlet jet flow accelerating component 2, a vortex forming component 3, a fluid cavitation component 4, a solid medicament reaction chamber 5 and an outlet jet flow accelerating component 6 which are arranged in the cylinder 1, wherein a crude oil jet accelerating hole 21 is arranged in the inlet jet flow accelerating component 2, the vortex forming component 3 is used for enabling crude oil to generate vortex, the fluid cavitation component 4 is provided with a vortex guide vane 41 which enables crude oil to generate cavitation in the flow, the solid medicament reaction chamber 5 is provided with a central tube 51 and medicament partition plates 52, the medicament partition plates 52 are arranged in a fan-shaped and layered mode around the central tube 51 in the vertical direction, small holes 521 are arranged in the medicament partition plates 52, the cross section of the small holes 521 is hexagonal or other similar structures, and medicaments are filled between adjacent medicament partition plates 52, the gas, liquid and solid phases in the modified crude oil in the solid medicament reaction chamber 5 are fully melted and emulsified, and flow out from the pore channel of the outlet jet flow accelerating component 6.
The solid medicament reaction chamber 5 is detachably arranged in the cylinder body 1, namely the cylinder body 1 of the solid medicament reaction chamber 5 is arranged to be designed into a sealing connection structure which can be detached and separated from the head end and the tail end of the cylinder body, the detachable sealing connection structure can adopt threaded sealing connection or flange sealing connection, and the disassembly and the replacement of medicaments in the solid medicament reaction chamber 5 are convenient. The medicament filled in the solid medicament reaction chamber 5 is a long-acting slow-release reaction medicament, and can be configured according to the flow rate of crude oil and the quality of the crude oil, so that the medicament replacement period is about several months, half a year or one year.
Referring to fig. 2 and 3, the vortex forming member 3 includes a vortex ejector 31 and a vortex generating device 32, the vortex generating device 32 is sleeved in the vortex ejector 31, the outer wall of the vortex ejector 31 is fixed on the inner wall of the cylinder 1, a fluid limiting member 7 is disposed between the vortex generating device 32 and the fluid cavitation member 4, a tapered channel 71 is disposed in the fluid limiting member 7, a spiral cone 321 or a helical blade having an approximate structure is disposed in the vortex generating device 32, and the spiral cone 321 and the tapered channel 71 cooperate to generate a vortex from the flowing crude oil. The front end of the vortex generating device 32 is provided with a flow guiding pointed cone 322.
A first jet flow accelerating disc 8 is arranged between the fluid cavitation component 4 and the solid medicament reaction chamber 5. The first jet accelerating disc 8 is provided with a pore canal with a large inlet and a small outlet. The flow rate of the crude oil is further increased by means of the first jet acceleration disk 8.
A second jet flow accelerating disk 9 and an outlet vortex flow guide component 10 are arranged between the solid medicament reaction chamber 5 and the outlet jet flow accelerating component 6. The second jet accelerating disc 9 is also provided with a pore canal with a large inlet and a small outlet.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a physical chemistry combines wax control viscosity reduction device which characterized in that: the device comprises a cylinder body (1), an inlet jet flow accelerating component (2), a vortex forming component (3), a fluid cavitation component (4), a solid medicament reaction chamber (5) and an outlet jet flow accelerating component (6) which are arranged in the cylinder body (1), wherein a crude oil jet accelerating hole (21) is formed in the inlet jet flow accelerating component (2), the vortex forming component (3) is used for enabling crude oil to generate vortex, the fluid cavitation component (4) is provided with a vortex flow guide vane (41) which enables crude oil to generate cavitation in the flow, a central pipe (51) and medicament partition plates (52) are arranged in the solid medicament reaction chamber (5), the medicament partition plates (52) are arranged in a fan-shaped layered mode around the central pipe (51) in the vertical direction, small holes (521) are formed in the medicament partition plates (52), and medicaments are filled between the adjacent medicament partition plates (52), and gas, liquid and solid phases in the modified crude oil in the solid medicament reaction chamber (5) are fully melted and emulsified, and flow out from the pore channel of the outlet jet flow accelerating component (6).
2. The physical-chemical combination paraffin-control and viscosity-reduction device according to claim 1, wherein: the vortex forming part (3) comprises a vortex ejector (31) and a vortex generating device (32), the vortex generating device (32) is sleeved in the vortex ejector (31), the outer wall of the vortex ejector (31) is fixed on the inner wall of the barrel body (1), a fluid limiting part (7) is arranged between the vortex generating device (32) and the fluid cavitation part (4), a conical channel (71) is arranged in the fluid limiting part (7), a spiral cone (321) is arranged in the vortex generating device (32), and the spiral cone (321) is matched with the conical channel (71) to enable flowing crude oil to generate a vortex.
3. The physical-chemical combination paraffin-control and viscosity-reduction device according to claim 2, wherein: the front end of the vortex generating device (32) is provided with a flow guide pointed cone (322).
4. The physical-chemical combination paraffin-control and viscosity-reduction device according to claim 1, wherein: a first jet flow accelerating disc (8) is arranged between the fluid cavitation component (4) and the solid medicament reaction chamber (5).
5. The physical-chemical combination paraffin-control and viscosity-reduction device according to claim 4, wherein: and the first jet flow accelerating disc (8) is internally provided with a pore canal with a large inlet and a small outlet.
6. The physical-chemical combination paraffin-control and viscosity-reduction device according to claim 1, wherein: a second jet flow accelerating disc (9) and an outlet vortex flow guide component (10) are arranged between the solid medicament reaction chamber (5) and the outlet jet flow accelerating component (6).
7. The physical-chemical combination paraffin-control and viscosity-reduction device according to claim 1, wherein: the solid medicament reaction chamber (5) is detachably arranged in the barrel body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445693.5A CN113090229B (en) | 2021-04-25 | 2021-04-25 | Physical and chemical combination paraffin control and viscosity reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445693.5A CN113090229B (en) | 2021-04-25 | 2021-04-25 | Physical and chemical combination paraffin control and viscosity reduction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113090229A true CN113090229A (en) | 2021-07-09 |
| CN113090229B CN113090229B (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110445693.5A Active CN113090229B (en) | 2021-04-25 | 2021-04-25 | Physical and chemical combination paraffin control and viscosity reduction device |
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| CN (1) | CN113090229B (en) |
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| CN201851055U (en) * | 2010-11-22 | 2011-06-01 | 刘立兵 | Double-ejection wax-resistant and viscosity-break oil enhancing device |
| WO2013147650A2 (en) * | 2012-03-29 | 2013-10-03 | Закрытое Акционерное Общество "Новомет-Пермь" (Зао "Новомет-Пермь") | Device for supplying reagent to a well |
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2021
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| WO2013147650A2 (en) * | 2012-03-29 | 2013-10-03 | Закрытое Акционерное Общество "Новомет-Пермь" (Зао "Новомет-Пермь") | Device for supplying reagent to a well |
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| CN113090229B (en) | 2022-05-10 |
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