CN2931774Y - Oil well paraffin prevention device connecting with oil pipe - Google Patents
Oil well paraffin prevention device connecting with oil pipe Download PDFInfo
- Publication number
- CN2931774Y CN2931774Y CN 200620044905 CN200620044905U CN2931774Y CN 2931774 Y CN2931774 Y CN 2931774Y CN 200620044905 CN200620044905 CN 200620044905 CN 200620044905 U CN200620044905 U CN 200620044905U CN 2931774 Y CN2931774 Y CN 2931774Y
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- China
- Prior art keywords
- oil pipe
- pipe
- oil
- shell
- millimeters
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Abstract
A paraffin inhibition apparatus connected with an oil pipe for oil wells is composed of a tubular element which comprises an inner tube and a shell, wherein the rare-earth magnetic steel filling is filled between the inner tube and the shell. A male connector and a female connector are provided on the tubular element and the inside diameter of the inner tube of the female connector is greater than or equals to the outside diameter of the shell of the male connector. The male connector is connected with the oil pipe with an internal screw thread, and the female connector is connected with the oil pipe with an external screw thread. The crude oil flows along the inner tube of the tubular element. The flowability of the crude oil can be changed by means of the magnetization effect, thereby preventing the formation of paraffin crystal and achieving the inhibition of paraffin. The utility model can effectively reduce the aggregation of paraffin molecules in crude oil and the precipitation of paraffin crystals, and the wax precipitation point can be decreased at least 4 centigrade. The shape and spatial grid of paraffin crystals can be changed for preventing the formation of paraffin crystal. The utility model can disperse and break formed large piece paraffin crystals, thereby achieving the clearance of paraffin.
Description
Technical field:
The utility model relates to field of mining, relates in particular to oil extraction equipment, particularly cleans the device of well or well, and concrete is a kind of oil well paraffin prevention device that connects oil pipe.
Background technology:
Oil well is in recovery process, and along with the effusion of gas in the reduction of crude oil temperature and pressure and the crude oil, the paraffin that is dissolved in the crude oil can be separated out in crystallization.The meeting obstruction oil-producing formation and the gathering face of growing up were deposited on the tubing wall after wax crystal was separated out, and had a strong impact on oil well production.Available technology adopting mechanical paraffin removal, heating power wax removal, paraffin removing with chemical method and microorganism dewaxing method prevent paraffin deposit.But dewaxing method labour intensity of the prior art is big, and required expense height require the wax removal number of times frequent, so technique effect is undesirable.
Summary of the invention:
The purpose of this utility model provides a kind of oil well paraffin prevention device that connects oil pipe, and the oil well paraffin prevention device of described this connection oil pipe will solve the unfavorable technical problem of dewaxing method effect of oil well in the prior art.
The oil well paraffin prevention device of this connection oil pipe of the present utility model is made of a tubular element, wherein, described tubular element is made of pipe and a shell in one, pipe is provided with in the enclosure in described, be provided with the gap between pipe and the shell in described, be filled with the rare earth magnetic steel filler in the described gap, the interior pipe and the shell of two ends of described tubular element are tightly connected mutually, described tubular element has a public link and a female link, the internal diameter of the interior pipe of described female link is greater than or equal to the external diameter of the shell of described public link, described public link is provided with external screw thread, on the described public link by the oil pipe that is threaded with internal thread, described female link is provided with internal thread, has externally threaded oil pipe by being threaded one on described female link.
Further, be filled with the rare earth magnetic steel particle in the gap between described interior pipe and the shell.
Further, described shell is provided with a stuffing hole, and described stuffing hole and interior pipe are communicated with gap between the shell.
Further, the diameter of described tubular element successively decreases to public link from female link.
Further, be provided with cone shape interior joint face in the inner tube wall of described female link, the arranged outside of the shell of described public link has cone shape outer joint face, and described interior joint face matches with the shape of outer joint face.
Further, the excircle of the shell of described public link is provided with position limiting convex ring, and the external diameter of described position limiting convex ring is greater than the internal diameter of the interior pipe of described female link.
Further, described oil pipe is that nominal diameter is 1.5 inches a oil pipe, and the external diameter of described oil pipe is 48.3 millimeters, and the internal diameter of described oil pipe is 40.3 millimeters.
Perhaps, described oil pipe is that nominal diameter is 2 inches a oil pipe, and the external diameter of described oil pipe is 60.3 millimeters, and the internal diameter of described oil pipe is 50.3 millimeters.
Perhaps, described oil pipe is that nominal diameter is 2.5 inches a oil pipe, and the external diameter of described oil pipe is 73 millimeters, and the internal diameter of described oil pipe is 62 millimeters.
Perhaps, described oil pipe is that nominal diameter is 3 inches a oil pipe, and the external diameter of described oil pipe is 88.9 millimeters, and the internal diameter of described oil pipe is 75.9 millimeters.
Perhaps, described oil pipe is that nominal diameter is 3.5 inches a oil pipe, and the external diameter of described oil pipe is 101.6 millimeters, and the internal diameter of described oil pipe is 88.6 millimeters.
Operating principle of the present utility model is: crude oil is fed oil pipe in the utility model, and crude oil flows in the interior pipe of tubular element through behind the oil pipe.Because crude oil is made up of multiple organic matter, wherein, the hydro carbons organic matter is the Main Ingredients and Appearance of crude oil.Paraffin is dissolved in the crude oil with the state of colloid, and paraffin mainly is made up of hydrocarbon alkane.When crude oil flows in the interior pipe of tubular element, the effect in the magnetic field of the rare earth magnetic steel filler in being subjected between pipe and the shell, intramolecular magnetic is apart from producing rotation around outer magnetic field direction in the crude oil, the molecule of crude oil and the polymerism between micel are weakened, intermolecular lax in conjunction with taking place, the flowability of former oil molecule obtains increasing, paraffin molecule is dissolved in the crude oil as decentralized photo, the crystallization of having restrained paraffin generates, and the little micelle that while part wax crystal is broken down into dispersity is dissolved in the crude oil.In addition, the magnetic field in the tubular element also has destruction to the incrustation scale in the crude oil, can restrain incrustation scale and generate.Utilize the public link of tubular element and the structure of female link, a plurality of tubular elements can also be linked in sequence, adapt to the length needs at various scenes.
The utility model and prior art contrast, and its effect is actively with tangible.The utility model is connected oil pipe with tubular element, the toroidal magnetic field is set in the tubular element, utilizes magnetization effect to change the flowability of crude oil, thereby has suppressed the growth of wax crystal, has reached the wax control purpose.The effectively gathering of paraffin molecule and separating out of wax crystalline substance in the crude oil for inhibiting of the utility model, make the wax precipitation point of crude oil descend 4 ℃ at least, and wax crystal form and spatial network in the crude oil are changed, effectively stoped the formation of wax crystalline substance, to the big acale wax crystalline substance that has formed, can realize dispersion, fragmentation, thereby reach the effect of wax removal.
Description of drawings:
Fig. 1 is the structural representation of the oil well paraffin prevention device of connection oil pipe of the present utility model.
The specific embodiment:
As shown in Figure 1, the oil well paraffin prevention device of connection oil pipe of the present utility model is made of a tubular element 1, wherein, described tubular element 1 is made of 2 and shells 3 of pipe in, pipe 2 is arranged in the shell 3 in described, be provided with the gap between pipe 2 and the shell 3 in described, be filled with rare earth magnetic steel filler 4 in the described gap, the interior pipe 2 and the shell 3 of two ends of described tubular element 1 are tightly connected mutually, described tubular element 1 has a public link 6 and a female link 7, the internal diameter of the interior pipe 2 of described female link 7 is greater than or equal to the external diameter of the shell 3 of described public link 6, described public link 6 is provided with external screw thread, has the oil pipe 9 of internal thread 10 on the described public link 6 by being threaded one, described female link 7 is provided with internal thread, has the oil pipe 9 of external screw thread 11 on described female link 7 by being threaded one.
Further, be filled with the rare earth magnetic steel particle in the gap between described interior pipe 2 and the shell 3.
Further, described shell 3 is provided with a stuffing hole 5, and described stuffing hole 5 and interior pipe 2 are communicated with gap between the shell 3.
Further, the diameter of described tubular element 1 successively decreases to public link 6 from female link 7.
Further, be provided with cone shape interior joint face in interior pipe 2 inwalls of described female link 7, the arranged outside of the shell 3 of described public link 6 has cone shape outer joint face, and described interior joint face matches with the shape of outer joint face.
Further, the excircle of the shell 3 of described public link 6 is provided with position limiting convex ring 8, and the external diameter of position limiting convex ring 8 is greater than the internal diameter of the interior pipe 2 of described female link 7.
Further, described oil pipe 9 is that nominal diameter is 1.5 inches a oil pipe, and the external diameter of described oil pipe 9 is 48.3 millimeters, and the internal diameter of described oil pipe 9 is 40.3 millimeters.
Perhaps, described oil pipe 9 is that nominal diameter is 2 inches a oil pipe, and the external diameter of described oil pipe 9 is 60.3 millimeters, and the internal diameter of described oil pipe 9 is 50.3 millimeters.
Perhaps, described oil pipe 9 is that nominal diameter is 2.5 inches a oil pipe, and the external diameter of described oil pipe 9 is 73 millimeters, and the internal diameter of described oil pipe 9 is 62 millimeters.
Perhaps, described oil pipe 9 is that nominal diameter is 3 inches a oil pipe, and the external diameter of described oil pipe 9 is 88.9 millimeters, and the internal diameter of described oil pipe 9 is 75.9 millimeters.
Perhaps, described oil pipe 9 is that nominal diameter is 3.5 inches a oil pipe, and the external diameter of described oil pipe 9 is 101.6 millimeters, and the internal diameter of described oil pipe 9 is 88.6 millimeters.
In a preferred embodiment of the present utility model, in crude oil was analysed 32～38 ℃ of serious temperature ranges of wax, the wax crystal inhibiting rate was 53.88%, and general chemical anti-wax technique only can reach 16%., the magnetization sample wax precipitation point descend 1～4 ℃.The reduced rate of viscosity of crude is 47.3～52.2% (on the blank sample wax precipitation point 2 ℃ time).The diameter of scale particles is reduced to 0.14 μ m from 3.39 μ m.Pump detection period extended to more than 525 days, and the pump detection period of paraffin control with inhibitor technology only is 138 days.
Claims (11)
1. oil well paraffin prevention device that connects oil pipe, constitute by a tubular element, it is characterized in that: described tubular element is made of pipe and a shell in one, pipe is provided with in the enclosure in described, be provided with the gap between pipe and the shell in described, be filled with the rare earth magnetic steel filler in the described gap, the interior pipe and the shell of two ends of described tubular element are tightly connected mutually, described tubular element has a public link and a female link, the internal diameter of the interior pipe of described female link is greater than or equal to the external diameter of the shell of described public link, described public link is provided with external screw thread, on the described public link by the oil pipe that is threaded with internal thread, described female link is provided with internal thread, has externally threaded oil pipe by being threaded one on described female link.
2. the oil well paraffin prevention device of connection oil pipe as claimed in claim 1 is characterized in that: be filled with the rare earth magnetic steel particle in the gap in described between pipe and the shell.
3. the oil well paraffin prevention device of connection oil pipe as claimed in claim 1 is characterized in that: described shell is provided with a stuffing hole, and described stuffing hole and interior pipe are communicated with gap between the shell.
4. the oil well paraffin prevention device of connection oil pipe as claimed in claim 1 is characterized in that: the diameter of described tubular element successively decreases to public link from female link.
5. the oil well paraffin prevention device of connection oil pipe as claimed in claim 1, it is characterized in that: be provided with cone shape interior joint face in the inner tube wall of described female link, the arranged outside of the shell of described public link has cone shape outer joint face, and described interior joint face matches with the shape of outer joint face.
6. the oil well paraffin prevention device of connection oil pipe as claimed in claim 1 is characterized in that: the excircle of the shell of described public link is provided with position limiting convex ring, and the external diameter of described position limiting convex ring is greater than the internal diameter of the interior pipe of described female link.
7. the oil well paraffin prevention device of connection oil pipe as claimed in claim 1 is characterized in that: described oil pipe is that nominal diameter is 1.5 inches a oil pipe, and the external diameter of described oil pipe is 48.3 millimeters, and the internal diameter of described oil pipe is 40.3 millimeters.
8. the oil well paraffin prevention device of connection oil pipe as claimed in claim 1 is characterized in that: described oil pipe is that nominal diameter is 2 inches a oil pipe, and the external diameter of described oil pipe is 60.3 millimeters, and the internal diameter of described oil pipe is 50.3 millimeters.
9. the oil well paraffin prevention device of connection oil pipe as claimed in claim 1 is characterized in that: described oil pipe is that nominal diameter is 2.5 inches a oil pipe, and the external diameter of described oil pipe is 73 millimeters, and the internal diameter of described oil pipe is 62 millimeters.
10. the oil well paraffin prevention device of connection oil pipe as claimed in claim 1 is characterized in that: described oil pipe is that nominal diameter is 3 inches a oil pipe, and the external diameter of described oil pipe is 88.9 millimeters, and the internal diameter of described oil pipe is 75.9 millimeters.
11. the oil well paraffin prevention device of connection oil pipe as claimed in claim 1 is characterized in that: described oil pipe is that nominal diameter is 3.5 inches a oil pipe, and the external diameter of described oil pipe is 101.6 millimeters, and the internal diameter of described oil pipe is 88.6 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620044905 CN2931774Y (en) | 2006-08-17 | 2006-08-17 | Oil well paraffin prevention device connecting with oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620044905 CN2931774Y (en) | 2006-08-17 | 2006-08-17 | Oil well paraffin prevention device connecting with oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2931774Y true CN2931774Y (en) | 2007-08-08 |
Family
ID=38348274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620044905 Expired - Fee Related CN2931774Y (en) | 2006-08-17 | 2006-08-17 | Oil well paraffin prevention device connecting with oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2931774Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561102A (en) * | 2018-05-16 | 2018-09-21 | 威海鸿通管材股份有限公司 | Autonomous reciprocating wax removal oil pipe |
-
2006
- 2006-08-17 CN CN 200620044905 patent/CN2931774Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561102A (en) * | 2018-05-16 | 2018-09-21 | 威海鸿通管材股份有限公司 | Autonomous reciprocating wax removal oil pipe |
| CN108561102B (en) * | 2018-05-16 | 2023-08-15 | 威海鸿通管材股份有限公司 | Autonomous reciprocating paraffin removal oil pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI JINGANG ELECTROMECHANICAL TECHNOLOGY CO., Free format text: FORMER OWNER: SHANGHAI SHIJIN ENVIRONMENTAL EQUIPMENT + TECHNOLOGY CO., LTD. Effective date: 20120401 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200023 HUANGPU, SHANGHAI TO: 200120 PUDONG NEW AREA, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120401 Address after: 200120 Huaneng The Union Buildings, No. 958, Lujiazui Ring Road, Shanghai, Pudong, China Patentee after: Shanghai Jingang Electromechanical Technology Co.,Ltd. Address before: 200023 Shanghai Xietu Road Lane 118 Building No. 3 room 808 Patentee before: Shanghai Shijin Environmental Equipment & Technology Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Shanghai Jingang Electromechanical Technology Co.,Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Shanghai Jingang Electromechanical Technology Co.,Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Shanghai Jingang Electromechanical Technology Co.,Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070808 Termination date: 20150817 |
|
| EXPY | Termination of patent right or utility model |