CN202611665U - Producing well mechanical paraffin scraping device - Google Patents
Producing well mechanical paraffin scraping device Download PDFInfo
- Publication number
- CN202611665U CN202611665U CN 201220261822 CN201220261822U CN202611665U CN 202611665 U CN202611665 U CN 202611665U CN 201220261822 CN201220261822 CN 201220261822 CN 201220261822 U CN201220261822 U CN 201220261822U CN 202611665 U CN202611665 U CN 202611665U
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- CN
- China
- Prior art keywords
- paraffin
- scraping device
- producing well
- paraffin scraper
- well mechanical
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- 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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Abstract
The utility model discloses a producing well mechanical paraffin scraping device used in oil industry. According to the producing well mechanical paraffin scraping device, the machining process of injection molding and thermosetting is utilized, and the producing well mechanical paraffin scraping device is arranged on a common sucker rod in thermosetting mode and with the separation distance less than the stroke of a pumping unit, and paraffin removal for a paraffin precipitation oil well is achieved. The paraffin scraping device is provided with a central hole, paraffin scrapers are in spaced arrangement on the outer circumference of a body of the paraffin scraping device, the paraffin scrapers are platy bodies shaped like spiral ladders, and diversion grooves are arranged among the paraffin scrapers to enable liquid flow to be smooth. According to the producing well mechanical paraffin scraping device made of superstrong nylon materials, the machining process of injection molding and thermosetting is utilized, and the producing well mechanical paraffin scraping device is arranged on the common sucker rod in thermosetting mode and with the separation distance less than the stroke of the pumping unit, so the paraffin scraping device is not prone to be fallen off and distorted, and is heat-resisting and wearing-resisting. Radian of the diversion grooves formed among the paraffin scrapers is not large, seamless paraffin scrapping within 360 degrees can be achieved, meanwhile the contact area with an oil tube is increased, and the liquid flow is smooth. According to the producing well mechanical paraffin scraping device, while paraffin is cleaned and prevented, the pump inspection period can be prolonged, labor intensity of workers is reduced, and pollution for the environment and oil layers is reduced.
Description
Technical field
The utility model belongs to the down-hole oil production aid of petroleum industry.Especially the processing technology that a kind of producing well machinery paraffin scraper, this instrument adopt the injection moulding thermosetting with less than the spacing thermosetting of oil pumper stroke on common sucker rod, to the waxing in production well wax removal.
Background technology
Oil well paraffinication affects the flow section of fluid lifting on the one hand, has increased flow resistance; Affect the operate as normal of pumping unit on the other hand.Therefore, wax control and wax removal are the major issues that needs solution in the waxy crude oil exploitation.At present regularly carry out the method that dosing, heat wash and solve the wax deposition problem to the most employing of wax deposition producing well.Conventional wax removal measure workload is big, frequent, period of validity is short, and not only contaminated environment and stratum also affect to the healthy of workman.The paraffin scraper wax removal is also used at the scene at present, is stuck on the sucker rod but existing paraffin scraper one side is provided with U type bayonet socket, uses the sliding scale of limited block restriction paraffin scraper.Because its body uses U type bayonet socket to fix, paraffin scraper can not comprehensive circumferential setting, the wax removal poor effect.
Summary of the invention
The purpose of the utility model provides a kind of producing well machinery paraffin scraper, overcomes existing paraffin scraper and can not realize comprehensive circumferential setting, and the problem of wax removal poor effect prolongs pump detection period, alleviates working strength of workers, reduces the pollution to environment and oil reservoir.
The technical solution of the utility model is: a kind of producing well machinery paraffin scraper is provided with centre bore, and the outer weekly interval of its body is provided with paraffin scraper, and paraffin scraper is the trapezoidal plates of spiral, between paraffin scraper, forms guiding gutter, makes flow unimpeded.
Compared with prior art the utlity model has following useful effect: the paraffin scraper that the utility model is processed superpower nylon material adopts the processing technology of injection moulding thermosetting to be fixed on the common sucker rod with the spacing less than the oil pumper stroke; Make the distortion of paraffin scraper difficult drop-off, and high temperature resistant, wear-resisting.The radian that constitutes guiding gutter between the paraffin scraper is big, not only can realize seamless paraffin cutting in the 360 degree scopes, and makes it to increase with the contact surface of oil pipe, and flow is more unimpeded.This instrument plays the prolongation pump detection period in clear, wax control, alleviate working strength of workers, and reduces the effect to environment and oil layer pollution.The utility model has solved the problem that original product can't be realized comprehensive wax removal except the performance that possesses existing product fully, dependable performance is suitable for using.
Description of drawings
Accompanying drawing is the structural representation of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description: referring to accompanying drawing, a kind of producing well machinery paraffin scraper is provided with centre bore 3, and the outer weekly interval of its body is provided with paraffin scraper 1, between paraffin scraper 1, forms guiding gutter 4.Paraffin scraper 1 is the trapezoidal plates of spiral, root is wide, the outer end is narrow, and the end face at the trapezoidal plates of spiral two ends is provided with between 35 °-50 ° chamfering 2 at any angle, as 38 °, 39 °, 40 ° etc.The set chamfering 2 of paraffin scraper 1 two ends end face is 45 °, and this angle is a best angle.The helical angle of paraffin scraper 1 is set between 60 °-95 °, can adopt therebetween arbitrarily angled, like 73 °, 74 °, 75 °, 76 ° angles.The helical angle of paraffin scraper 1 is 80 °, and this angle is a best angle.The upper surface of paraffin scraper 1 engages with the projection line of lower surface, accomplishes 360 ° of comprehensive paraffin cuttings.The external diameter of paraffin scraper, the external diameter that just formed by paraffin scraper 1 are less than the internal diameter 3mm-5mm of used oil pipe, and the internal diameter of its centre bore 3 is greater than the external diameter 0.8 mm-1.2mm of sucker rod.The external diameter of paraffin scraper is less than the internal diameter 3mm-5mm of used oil pipe, and than the little 3mm-5mm of the pipe aperture that disposes in the pit shaft, the little contact area with oil pipe in its gap is just bigger, and wax removal is more thorough.The internal diameter of centre bore 3 is convenient to injection moulding thermosetting processing greater than the external diameter 0.8 mm-1.2mm of sucker rod.
Claims (7)
1. a producing well machinery paraffin scraper is characterized in that, is provided with centre bore (3), and the outer weekly interval of its body is provided with paraffin scraper (1).
2. a kind of producing well machinery paraffin scraper according to claim 1 is characterized in that paraffin scraper (1) is the trapezoidal plates of spiral, root is wide, the outer end is narrow, and the end face at the trapezoidal plates of spiral two ends is provided with between 35 °-50 ° chamfering (2) at any angle.
3. a kind of producing well machinery paraffin scraper according to claim 2 is characterized in that paraffin scraper (1) the two ends set chamfering (2) of end face is 45 °.
4. a kind of producing well machinery paraffin scraper according to claim 1 and 2 is characterized in that the helical angle of paraffin scraper (1) is set between 60 °-95 °.
5. a kind of producing well machinery paraffin scraper according to claim 4, the helical angle that it is characterized in that paraffin scraper (1) is 80 °.
6. according to claim 1 or 2 or 4 described a kind of producing well machinery paraffin scrapers, it is characterized in that the upper surface of paraffin scraper (1) engages with the projection line of lower surface.
7. a kind of producing well machinery paraffin scraper according to claim 1 is characterized in that the internal diameter 3mm-5mm of the external diameter of paraffin scraper less than used oil pipe, and the internal diameter of its centre bore (3) is greater than the external diameter 0.8 mm-1.2mm of sucker rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220261822 CN202611665U (en) | 2012-06-05 | 2012-06-05 | Producing well mechanical paraffin scraping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220261822 CN202611665U (en) | 2012-06-05 | 2012-06-05 | Producing well mechanical paraffin scraping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202611665U true CN202611665U (en) | 2012-12-19 |
Family
ID=47345374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220261822 Expired - Lifetime CN202611665U (en) | 2012-06-05 | 2012-06-05 | Producing well mechanical paraffin scraping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202611665U (en) |
-
2012
- 2012-06-05 CN CN 201220261822 patent/CN202611665U/en not_active Expired - Lifetime
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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: 20121219 |