CN203271677U - High-intensity magnetic field oil well paraffin prevention device capable of removing iron sand - Google Patents
High-intensity magnetic field oil well paraffin prevention device capable of removing iron sand Download PDFInfo
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- CN203271677U CN203271677U CN 201320298300 CN201320298300U CN203271677U CN 203271677 U CN203271677 U CN 203271677U CN 201320298300 CN201320298300 CN 201320298300 CN 201320298300 U CN201320298300 U CN 201320298300U CN 203271677 U CN203271677 U CN 203271677U
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- inner sleeve
- iron sand
- oil well
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- paraffin
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Abstract
The utility model discloses a high-intensity magnetic field oil well paraffin prevention device capable of removing iron sand. The high-intensity magnetic field oil well paraffin prevention device capable of removing the iron sand comprises an outer sleeve, an inner sleeve and a magnetic paraffin prevention core, wherein the outer sleeve is connected with the inner sleeve in a sleeved mode, the connecting portion of the inner sleeve and the outer sleeve is sealed, the inner sleeve has axial freedom degree relative to the outer sleeve, the magnetic paraffin prevention core is arranged in the outer sleeve, the lower end of the inner sleeve is inserted into the magnetic paraffin prevention core, the outer diameter of the inner sleeve is identical to the inner diameter of the magnetic paraffin prevention core and a buffer is arranged on the portion, wherein the inner portion of the outer sleeve makes contact with the bottom end of the inner sleeve. The high-intensity magnetic field oil well paraffin prevention device capable of removing the iron sand restrains paraffin deposit and scale deposit of a pumping unit, a pumping rod and a tubular column, and has the function of iron sand removal, and therefore the purposes that the tubular column of an oil well is smooth and production is increased are guaranteed.
Description
Technical field
The utility model relates to a kind of device that cleans oil well, specifically a kind of high-intensity magnetic field oil well paraffin prevention device except iron sand.
Background technology
The immanent cause of oil well paraffinication is the crude oil content of wax, and wax content is more, and wax deposition is just more serious.Under reservoir condition, because medium temperature is high, wax is dissolved in crude oil, when crude oil flows into the shaft bottom from oil reservoir, then rises to the process of well head from the shaft bottom, and due to the reduction of pressure and temp, the solubility of wax in crude oil reduces and separates out.Wax refers to the n-alkane that carbon number is higher.Paraffin is the mixture of various positive structure long-chain normal paraffins; Ceresine refers to isoparaffin or with the long chain alkane of cycloalkanes and aromatic hydrocarbons.It is complicated many that the actual wax that runs in oil wells in field is wanted, people often those and n-alkane mix contain the black semisolid such as higher hydrocarbons, asphalitine, colloid, silt, iron rust, greasy filth and solid matter is referred to as wax.Oil well paraffinication meeting impact is normal produces, so control and remove of well paraffin is to need the problem that solves in recovering the oil.
Crude oil is the mixture of the various hydrocarbon of complicated, is also diamagnetic substance.When crude oil when reaching enough the magnetic field of large magnetic field intensity and gradient, effect due to Lorentz force, make near the wax molecule that is in crystallization temperature in unordered warm-up movement obtain energy, adjust magnetic each other and hit the orientation, provide general crystallization to give birth to the core condition, thereby it is very little to have generated a large amount of diameters, is spherical crystallite and is suspended in crude oil.But, existing permanent-magnet anti-paraffin unit, due to the iron sand that contains some in crude oil, in oil pumping process, the magnetic paraffin control device can adsorb its iron sand on inside pipe wall, causes tubing string obstruction or caliber to dwindle phenomenon, directly affects output.
Summary of the invention
The purpose of this utility model is to provide a kind of high-intensity magnetic field oil well paraffin prevention device except iron sand, plays the wax-proof viscosity reducing effect in oil extraction process of oil well.Oil pumper does not affect work because of wax deposition, thereby reduce the number of times of well-flushing, has solved magnetic anti-waxing apparatus and has stopped up a difficult problem with the underproduction because inhaling iron sand.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Can be except the high-intensity magnetic field oil well paraffin prevention device of iron sand, comprise overcoat, inner sleeve and magnetic paraffin control core, the jacket and inner sleeve socket, and junction sealing, the relative overcoat of inner sleeve has axial freedom, be provided with the magnetic paraffin control core in described overcoat, described inner sleeve lower end is inserted into the magnetic paraffin control in-core, and the inner sleeve external diameter is identical with the internal diameter of magnetic paraffin control core.
Described interior set upper side is provided with interface, and described overcoat lower end is provided with interface, and interface is standard interface, is convenient to install.
As preferably, described overcoat is inner is provided with snubber with contact position, inner sleeve bottom.
During the oil pumper down stroke, inner sleeve scrapes to folding process the iron sand that adsorbs on the magnetic paraffin control core, because the toughness of oil, iron sand can not deposit by fast free, and when the oil pumper upstroke, oil and iron sand power-assisted promote, and during upstroke, tube wall can not adsorb iron sand.Repeat above-mentioned action.
The utility model also promotes the long chain hydrocarbon molecular distortion in crude oil to become symmetry shape closely with distinctive Distribution of Magnetic Field, the interchain that has reduced between them is wound around, reduced and separated out the sheet hard wax on tube wall and sucker rod, and the possibility that forms the netted complex compound of scale paraffin in crude oil, reduced its dispersion force, reduce viscosity of crude, also just reduced the flow resistance of crude oil.Keep the magnetization effect under the certain flow rate condition.
The beneficial effects of the utility model are:
The utility model has suppressed wax deposition, the fouling of oil pumper, sucker rod and tubing string.Also have the function of removing iron sand, thereby guarantee that oil well pipe is unobstructed, reach the purpose of volume increase.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the principle schematic of inner sleeve folding process.
Fig. 3 is the schematic diagram that inner sleeve is positioned at stroke bottom state.
Fig. 4 puts the principle schematic that moves past journey in being.
In figure: 1, interface; 2, overcoat; 3, inner sleeve; 4, magnetic paraffin control core; 5, snubber; 6, interface; 7, iron sand.
The specific embodiment
As shown in Figure 1, can be except the high-intensity magnetic field oil well paraffin prevention device of iron sand, comprise overcoat 2, inner sleeve 3 and magnetic paraffin control core 4, overcoat 2 and inner sleeve 3 sockets, and the junction sealing, the relative overcoat 2 of inner sleeve 3 has axial freedom, is provided with magnetic paraffin control core 4 in described overcoat 2, described inner sleeve 3 lower ends are inserted into the magnetic paraffin control in-core, and inner sleeve 3 external diameters are identical with the internal diameter of magnetic paraffin control core 4.
Described inner sleeve 3 upper ends are provided with interface 1, and described overcoat 2 lower ends are provided with interface 6, and interface is standard interface, are convenient to install.
As preferably, described overcoat 2 is inner is provided with snubber 5 with inner sleeve 3 contact positions, bottom.
Mounting method of the present utility model: this device as a tube coupling of oil pipe, is put into protecting pipe for modular construction.Be not subjected to the restriction of oil well specifications and models, be the oil well common apparatus.During concrete the use, do according to actual conditions and select deironing sand mold or the anti-wax pattern of common scale removal.This device adopts all steel material, has anticorrosion, not magnetic conduction, indeformable characteristic, and the life-span surpasses pumping pipelines, and is mobile or change and all can.Total length 600mm-800mm, selected according to the diameter of oil pipe.These device minute two module combinations, the connected mode of employing standard according to the actual conditions of on-the-spot oil well, can be selected 1-2 module.
Can should be serially connected with on sucker rod except the high-intensity magnetic field oil well paraffin prevention device of iron sand, preferably begin the place in original wax deposition thickness and wax deposition and respectively fill one below slightly, can in position install some additional according to the wax deposition situation when needing.Every two ends must install centralizer additional, prevent that strong magnetic preventing wax device from being collided and damaging.
Deironing lustration type type strong magnetic preventing wax device should be loaded between oil well pump and screen casing or flowing well bottom.Check before dress whether inside sucks Ferromagnetism Impurity, and remove clean.
Operating principle of the present utility model: as shown in Fig. 2 to 4, during the oil pumper down stroke, inner sleeve 3 scrapes the iron sand 7 of absorption on magnetic paraffin control core 4 to folding process, because the toughness of oil, iron sand 7 can not deposit by fast free, when the oil pumper upstroke, oil and iron sand 7 are introduced into the rifling pipeline section of this device, and cut strong field of magnetic forece, revolve on simultaneously, enter kink section power-assisted and promote, iron sand, fluid are extracted out by oil pump and are gone simultaneously.Because inner sleeve is magnetic conduction not, during upstroke, tube wall can not adsorb iron sand.Inner sleeve has been left magnetic field, and iron sand absorption is arranged again, repeats above-mentioned action.
The utility model also promotes the long chain hydrocarbon molecular distortion in crude oil to become symmetry shape closely with distinctive Distribution of Magnetic Field, the interchain that has reduced between them is wound around, reduced and separated out the sheet hard wax on tube wall and sucker rod, and the possibility that forms the netted complex compound of scale paraffin in crude oil, reduced its dispersion force, reduce viscosity of crude, also just reduced the flow resistance of crude oil.Keep the magnetization effect under the certain flow rate condition.
Above disclosed be only the specific embodiment of this patent, but this patent is not limited thereto, for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model principle, the distortion of making should be considered as belonging to the utility model protection domain.
Claims (3)
1. can be except the high-intensity magnetic field oil well paraffin prevention device of iron sand, it is characterized in that: comprise overcoat, inner sleeve and magnetic paraffin control core, the jacket and inner sleeve socket, and junction sealing, the relative overcoat of inner sleeve has axial freedom, be provided with the magnetic paraffin control core in described overcoat, described inner sleeve lower end is inserted into the magnetic paraffin control in-core, and the inner sleeve external diameter is identical with the internal diameter of magnetic paraffin control core.
2. the high-intensity magnetic field oil well paraffin prevention device except iron sand according to claim 1, it is characterized in that: described interior set upper side is provided with interface, and described overcoat lower end is provided with interface.
3. the high-intensity magnetic field oil well paraffin prevention device except iron sand according to claim 1 and 2, it is characterized in that: described overcoat is inner is provided with snubber with contact position, inner sleeve bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320298300 CN203271677U (en) | 2013-05-28 | 2013-05-28 | High-intensity magnetic field oil well paraffin prevention device capable of removing iron sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320298300 CN203271677U (en) | 2013-05-28 | 2013-05-28 | High-intensity magnetic field oil well paraffin prevention device capable of removing iron sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203271677U true CN203271677U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320298300 Expired - Fee Related CN203271677U (en) | 2013-05-28 | 2013-05-28 | High-intensity magnetic field oil well paraffin prevention device capable of removing iron sand |
Country Status (1)
| Country | Link |
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| CN (1) | CN203271677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713370A (en) * | 2022-06-09 | 2022-07-08 | 江苏红运智能装备有限公司 | Magnetic filtering self-cleaning system for pipeline and valve body self-cleaning method |
-
2013
- 2013-05-28 CN CN 201320298300 patent/CN203271677U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713370A (en) * | 2022-06-09 | 2022-07-08 | 江苏红运智能装备有限公司 | Magnetic filtering self-cleaning system for pipeline and valve body self-cleaning method |
| CN114713370B (en) * | 2022-06-09 | 2022-08-19 | 江苏红运智能装备有限公司 | Magnetic filtering self-cleaning system for pipeline and valve body self-cleaning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20140528 |