CN201818280U - Detachable intense magnetic anti-wax apparatus - Google Patents
Detachable intense magnetic anti-wax apparatus Download PDFInfo
- Publication number
- CN201818280U CN201818280U CN2010201071321U CN201020107132U CN201818280U CN 201818280 U CN201818280 U CN 201818280U CN 2010201071321 U CN2010201071321 U CN 2010201071321U CN 201020107132 U CN201020107132 U CN 201020107132U CN 201818280 U CN201818280 U CN 201818280U
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- CN
- China
- Prior art keywords
- wax
- detachable
- inner pipe
- permanent magnet
- interior pipe
- 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.)
- Expired - Lifetime
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- Earth Drilling (AREA)
Abstract
The utility model provides a detachable intense magnetic anti-wax apparatus which is characterized by comprising an inner pipe with an internal thread and an external thread on both ends; both ends of the inner pipe are connected with an oil pipe; the outer side of the inner pipe is provided with an outer sleeve; one end of the outer sleeve is in threaded connection with the inner pipe, and the other end of the outer sleeve is fixed by a retaining ring which is sleeved outside the inner pipe; an oil seal is arranged at the joint between the inner pipe and the outer sleeve; permanent magnet bodies, a spacer and magnet sleeves are arranged in a cavity between the inner pipe and the outer sleeve; the spacer is arranged between the permanent magnet bodies; and the magnet sleeves are sleeved on the outer side of the permanent magnet bodies. The detachable intense magnetic anti-wax apparatus provided by the utility model has the advantages that the magnet bodies are detachable and replaceable, the apparatus is more economical than anti-wax apparatuses which are not detachable, the connection precision and strength are far higher than those of ordinary detachable anti-wax apparatuses, the magnet bodies are effectively protected, the delay time is greatly prolonged, and the service life is greatly prolonged.
Description
Technical field
The utility model relates to a kind of removable strong magnetic preventing wax device, is used for oilfield pumping well oil pipe, sucker rod, reaches the effect of wax control, wax removal.
Background technology
The wax control device that existing rod-pumped well is used is mostly non-disconnectable, and a spot of removable wax control device is also arranged.As shown in Figure 1, be existing removable wax control device structural representation.Described existing removable wax control device comprises two joints that are connected with oil pipe 1, one end of overcoat 2 and a joint 1 are made of one, the other end is connected with the external screw thread of another joint 1, the internal thread of this joint 1 is connected with interior pipe 3, constitute the chamber, magnetic field between interior pipe 3 and the overcoat 2, permanent magnet 4 is installed at interior pipe 3 middle parts, use spacer 6 between the permanent magnet 4 at interval, permanent magnet 4 outsides cover with magnet cover 5, be characterized in that the chamber, magnetic field pollutes easily, because the easy efflorescence of magnet, corrosionproof heatproof official post get magnet demagnetization aggravation.Adopt screw thread to make that the wax control device overall precision is lower because joint 1 connects with overcoat 2 simultaneously, processing and assembly difficulty are bigger, the easy clashing and breaking of magnet.
Summary of the invention
The purpose of this utility model provides a kind of removable strong magnetic preventing wax device, with the magnet bore sealing, effectively protects magnet, prolongs its demagnetization time, improves its application life, with the hole condition that is applicable to that various high wax oil well, especially crude oil impurity are many.
In order to achieve the above object, the technical solution of the utility model provides a kind of removable strong magnetic preventing wax device, it is characterized in that, comprise that two ends have internal thread and externally threaded interior pipe respectively, the two ends of interior pipe are connected with oil pipe, the interior pipe outside is provided with overcoat, overcoat one end is connected with Internal Pipe Thread, the other end is fixed by the outer back-up ring of pipe in being sheathed on, interior pipe is provided with oil sealing with the junction of overcoat, be provided with permanent magnet, spacer and magnet cover in the cavity between interior pipe and the overcoat, spacer is located between the permanent magnet, and magnet is sheathed on the permanent magnet outside.
The utility model has the advantages that:
(1) removable replaceable magnet is more saved than non-disconnectable wax control device.
(2) connect precision and intensity and be much higher than now common removable wax control device.
(3) magnet is effectively protected, and the demagnetization time prolongs greatly, and improve its application life greatly.
Description of drawings
Fig. 1 is existing removable wax control device structural representation;
Fig. 2 is a removable strong magnetic preventing wax device structural representation of the present utility model.
The specific embodiment
Specify the utility model below in conjunction with embodiment.
Embodiment
As shown in Figure 2, be removable strong magnetic preventing wax device structural representation of the present utility model, described removable strong magnetic preventing wax device is made up of permanent magnet 4, magnet cover 5, spacer 6, back-up ring 7, oil sealing 8, interior pipe 9 and overcoat 10.
Two ends have respectively internal thread and externally threaded in pipe 9, the two ends of interior pipe 9 are connected with oil pipe, interior pipe 9 outsides are provided with overcoat 10, interior pipe 9 and overcoat 10 1 ends are with being threaded, other end usefulness back-up ring 7 is fixed.Interior pipe 9 is provided with oil sealing 8 with the junction of overcoat 10, prevent that pollutant from entering, overcoat 10 is fixed by the 9 outer back-up rings 7 of pipe in being sheathed on, and is provided with permanent magnet 4, spacer 6 and magnet cover 5 in the cavity between interior pipe 9 and the overcoat 10, spacer 6 is located between the permanent magnet 4, and magnet cover 5 is located at permanent magnet 4 outsides.
During installation, as long as with in the middle part of the former oil pipe processing, the permanent magnet 4 and the spacer 6 of half-watt type is installed, outside overcoat 10 with thin wall shape just puts and can realize.Since interior pipe 9 two ends be respectively external screw thread and internal thread can be directly and oil pipe join, connection precision and intensity improve greatly.Oil sealing 8 between overcoat 10 and the interior pipe 9 is effectively protected the permanent magnet 4 of magnet bore, and the demagnetization of permanent magnet 4 will reduce.
During use, this strong magnetic preventing wax device is installed in two sections joints of oilfield pumping well oil pipe.The liquid that crude oil or other the contain high wax pipe in this wax control device of flowing through because high strong magnetic field action, has stoped crude oil or other to contain the wax crystal growth in the liquid of high wax and has reduced the gravitation and the crystallization point of wax intergranular effectively.Thereby make the softening effect of playing the wax control wax removal of wax.
Claims (1)
1. removable strong magnetic preventing wax device, it is characterized in that, comprise that two ends have internal thread and externally threaded interior pipe (9) respectively, the two ends of interior pipe (9) are connected with oil pipe, interior pipe (9) outside is provided with overcoat (10), overcoat (10) one ends are threaded with interior pipe (9), the other end is fixing by being sheathed on the outer back-up ring (7) of interior pipe (9), interior pipe (9) is provided with oil sealing (8) with the junction of overcoat (10), be provided with permanent magnet (4) in the cavity between interior pipe (9) and the overcoat (10), spacer (6) and magnet cover (5), spacer (6) is located between the permanent magnet (4), and magnet cover (5) is located at permanent magnet (4) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201071321U CN201818280U (en) | 2010-02-03 | 2010-02-03 | Detachable intense magnetic anti-wax apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201071321U CN201818280U (en) | 2010-02-03 | 2010-02-03 | Detachable intense magnetic anti-wax apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818280U true CN201818280U (en) | 2011-05-04 |
Family
ID=43916242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201071321U Expired - Lifetime CN201818280U (en) | 2010-02-03 | 2010-02-03 | Detachable intense magnetic anti-wax apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818280U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458139A (en) * | 2018-12-29 | 2019-03-12 | 孙绍武 | A kind of oil extraction oil well oil pipe |
| CN115898333A (en) * | 2023-01-10 | 2023-04-04 | 陕西鼎和源瑞环境工程有限公司 | Superstrong viscosity reduction paraffin control increases oily ware |
-
2010
- 2010-02-03 CN CN2010201071321U patent/CN201818280U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458139A (en) * | 2018-12-29 | 2019-03-12 | 孙绍武 | A kind of oil extraction oil well oil pipe |
| CN109458139B (en) * | 2018-12-29 | 2020-04-17 | 东营市东达机械制造有限责任公司 | Oil pipe for crude oil extraction well |
| CN115898333A (en) * | 2023-01-10 | 2023-04-04 | 陕西鼎和源瑞环境工程有限公司 | Superstrong viscosity reduction paraffin control increases oily ware |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |