CN2690621Y - Pumping aid - Google Patents
Pumping aid Download PDFInfo
- Publication number
- CN2690621Y CN2690621Y CN 200420006656 CN200420006656U CN2690621Y CN 2690621 Y CN2690621 Y CN 2690621Y CN 200420006656 CN200420006656 CN 200420006656 CN 200420006656 U CN200420006656 U CN 200420006656U CN 2690621 Y CN2690621 Y CN 2690621Y
- Authority
- CN
- China
- Prior art keywords
- oil
- connecting rod
- centralizer body
- centralizer
- rod
- 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 - Fee Related
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- Earth Drilling (AREA)
Abstract
The utility model relates to a pumping aid, solving the problems that the supporting part on the existing oil-increasing short section is not easy to be loaded and unloaded and the small area for oil to pass, and is characterized in that the upper part of the connecting rod (3) is connected with a coupling hoop (1) in manner of threaded connection, a clamping screw (2) is arranged on the threaded-connection point of the coupling hoop (1) and the connecting rod (3), and the flow passage of the supporting part (4) is divided into three flow passages. The supporting part on the pumping aid can be loaded and unloaded easily, which is good for reusing the rod body, so the utility model is characterized in that the pumping aid has low cost, and big area for the oil to pass through, and is durable.
Description
Technical field:
The utility model relates to the used a kind of assistant tool of plunger oil-well pump in the oil recovery field, oil field, belongs to a kind of exhausting-aid device.
Background technique:
At present in oil recovery process, applied plunger oil-well pump is for solving the rod and tube partial-wear problem, the centralizer of a main centralizing function has been installed in flow string or has been helped the Oil-increasing pup joint of taking out the centralizing function of holding concurrently, these instruments have the effect of paraffin cutting simultaneously, wherein more satisfactory instrument is an Oil-increasing pup joint, and Oil-increasing pup joint is made up of the body of rod and centralizer body, and the body of rod is whole steel part, centralizer body is the nylon spare of directly annotating on the body of rod, and centralizer body can be free to slide and rotate on the body of rod.Long-term and the tube inner wall friction of centralizer body, may wear to a certain degree will be useless cruelly, because of centralizer body can not directly unload from the body of rod, cause whole Oil-increasing pup joint useless cruelly in the lump.Body of rod wearing and tearing are lighter, have recycling and are worth, and must take measures centralizer body is removed if think recycling, cause unnecessary cost input.In addition, present centralizer body mostly is four runners or five runners, and area of passage is little.
Summary of the invention:
In order to overcome the deficiency that centralizer body on the existing Oil-increasing pup joint is difficult for being loaded and unloaded and area of passage is little, the utility model provides a kind of exhausting-aid device, centralizer body on this exhausting-aid device is loaded and unloaded very easily, help the recycling of the body of rod, have that user cost is low, area of passage reaches durable characteristics greatly.
The technological scheme that the utility model can be taked is: this exhausting-aid device comprises connecting rod and centralizer body, and connecting rod upper end screw thread is connected with box cupling, and the threaded connection place of connecting rod and box cupling is equipped with a fastening screw trip bolt; The runner of centralizer body is three runners.
The material of above-mentioned centralizer body is a naphthalene biphenyl polyether sulfone ketone resin.
The beneficial effects of the utility model are: owing to adopt such scheme, with body of rod design mix body structure, promptly formed by being threaded by box cupling, fastening screw trip bolt, connecting body, be convenient to the centralizer body loading and unloading on the connecting body, help the recycling of connecting body.The runner of centralizer body is three runners, and area of passage is big, the little pumping efficiency height of resistance.Simultaneously the material of centralizer body is a naphthalene biphenyl polyether sulfone ketone resin, this strength of materials height, heatproof, corrosion resistant, and friction ractor is low, abrasion little working life that prolongs centralizer body.
Description of drawings:
Fig. 1 is a structure partial sectional view of the present utility model.
1-box cupling among the figure, 2-fastening screw trip bolt, 3-connecting rod, 4-centralizer body.
Embodiment:
Below in conjunction with accompanying drawing will the utility model is described in further detail:
Shown in Fig. 1, this exhausting-aid device is with original body of rod design mix body structure, comprise connecting rod 3 and centralizer body 4, connecting rod 3 upper end screw threads are connected with box cupling 1, be that the body of rod is formed by being threaded by box cupling 1, connecting body 3, connecting rod 3 is equipped with a fastening screw trip bolt 2 with the threaded connection place of box cupling 1, and body structure was convenient to the centralizer body loading and unloading on the connecting body in this minute, helped the recycling of centralizer body; Fastening screw trip bolt 2 can prevent connecting rod 3 and box cupling 1 dropout; The runner of centralizer body 4 is three runners, and area of passage is big, the little pumping efficiency height of resistance; Simultaneously the material of centralizer body 4 is a naphthalene biphenyl polyether sulfone ketone resin, this strength of materials height, heatproof, corrosion resistant, and friction ractor is low, abrasion little working life that prolongs centralizer body 4.With the shorten length of connecting rod, promptly shortened the sliding stroke of centralizer body on connecting rod, help loss of plunger stroke thereby reduce.
During actual the use, the upstroke of oil pumping, the lower end surface of centralizer body 4 contacts with the lower step of connecting rod 3, the drain runner of sealing centralizer body 4 plays the effect of oil pumping plunger, reduces the pressure of oil column to oil pump plunger piston, and then the wastage raising pump efficiency of minimizing oil well pump, reach and help the effect of taking out.The down stroke of oil pumping, connecting rod 3 centralizer bodies 4 upwards slide last returning under the oily stream effect relatively, separate with the lower step of connecting rod 3 lower end surface of centralizer body 4, open the drain runner of centralizer body 4, oil column passes through oil-pumping aid, and centralizer body 4 is because its spiral drain runner rotates the uniform wear long service life under the effect of oil stream.In addition, this exhausting-aid device slides up and down in oil pipe, plays the effect of wax wiper, and change its up and down behind the connecting thread as becoming the button pipe nipple.
Claims (2)
1, a kind of exhausting-aid device comprises connecting rod (3) and centralizer body (4), it is characterized in that: connecting rod (3) upper end screw thread is connected with box cupling (1), and connecting rod (3) is equipped with fastening screw trip bolt (2) with the threaded connection place of box cupling (1); The runner of centralizer body (4) is three runners.
2, exhausting-aid device according to claim 1 is characterized in that: the material of centralizer body (4) is a naphthalene biphenyl polyether sulfone ketone resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420006656 CN2690621Y (en) | 2004-03-15 | 2004-03-15 | Pumping aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420006656 CN2690621Y (en) | 2004-03-15 | 2004-03-15 | Pumping aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2690621Y true CN2690621Y (en) | 2005-04-06 |
Family
ID=34668087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420006656 Expired - Fee Related CN2690621Y (en) | 2004-03-15 | 2004-03-15 | Pumping aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2690621Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530464A (en) * | 2020-04-17 | 2021-10-22 | 中国石油化工股份有限公司 | Oil well pipe and method for manufacturing same |
-
2004
- 2004-03-15 CN CN 200420006656 patent/CN2690621Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530464A (en) * | 2020-04-17 | 2021-10-22 | 中国石油化工股份有限公司 | Oil well pipe and method for manufacturing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |