CN2453128Y - Scale proof means for oil well - Google Patents
Scale proof means for oil well Download PDFInfo
- Publication number
- CN2453128Y CN2453128Y CN 00252726 CN00252726U CN2453128Y CN 2453128 Y CN2453128 Y CN 2453128Y CN 00252726 CN00252726 CN 00252726 CN 00252726 U CN00252726 U CN 00252726U CN 2453128 Y CN2453128 Y CN 2453128Y
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- CN
- China
- Prior art keywords
- oil well
- scale
- oil
- utility
- housing
- 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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Abstract
The utility model relates to a downhole scale preventer for an oil well, which is composed of an upper contact 1, a casing 2, filling material 3 and a lower end plug 4. The utility model is arranged on the lower part of a downhole oil pumping device of an oil well; the filling material in the scale preventer is iron filings with definite thickness and length or a nodular object wound by special fibre and provided with definite gaps or crystal antiscale arranged in a net or part of the iron filings and part of the special fibre; when downhole fluid passes through the utility model, the liquid under the action of the filling material can prevent downhole equipment of an oil well form scaling; the normal operation of the downhole equipment is guaranteed, working maintenance is avoided, maintenance cost is saved, and the yield of the oil well is increased.
Description
The utility model relates to a kind of oil well down-hole scale-proof apparatus that is used for the oil field.
At present, in the oil recovery process of oil field, because well water often has scale formation to take place, influence the down-hole pumping unit and normally move, thereby cause the operation maintenance, promptly waste recondition expense, influence oil well output again.Its solution mainly adopts sleeve pipe dosing chemical scale inhibition method, and its shortcoming is: chemical scale inhibition cost height, dosing inconvenience.
Task of the present utility model is to provide a kind of oil well down-hole scale-proof apparatus that is used for the oil field, adopts this scale-proof apparatus, can effectively prevent the fouling of oil well underground equipment, thereby guarantee that underground equipment normally moves, avoid the operation maintenance, save recondition expense, increase oil well output.
The utility model is achieved in that it is made up of top connection 1, housing 2, filler 3, lower end cap 4, and its assembling process is as follows: earlier filler 3 is put into housing 2, first-class top connection 1, lower end cap 4 are promptly assembled and are finished.
During use, this oil well down-hole scale-proof apparatus is installed in pumping unit bottom, oil well down-hole, gets final product down with the pumping unit lower going-into-well.In the oil well production process, filler in the scale-proof apparatus is when the iron filings of certain thickness and length or dough that special fibre is wound in certain interval are arranged, down-hole liquid is during by this oil well down-hole scale-proof apparatus, dirt is tied on this dough, thereby prevent the fouling of oil well underground equipment, guarantee that underground equipment normally moves, avoid the operation maintenance, save recondition expense, increase oil well output.When the filler in the scale-proof apparatus is the crystal scale preventative that is contained in the net, down-hole liquid is during by this oil well down-hole scale-proof apparatus, the liquid that flows through is by the dissolving scale preventative, make it have the effect of the fouling of preventing, thereby prevent the fouling of oil well underground equipment, guarantee that underground equipment normally moves, avoid the operation maintenance, save recondition expense, increase oil well output.Filler in the scale-proof apparatus is that said two devices is when respectively accounting for a part, down-hole liquid is during by this oil well down-hole scale-proof apparatus, the liquid that flows through is by the two comprehensive function, thereby prevent the fouling of oil well underground equipment, guarantee that underground equipment normally moves, avoid the operation maintenance, save recondition expense, increase oil well output.
To the more serious well of oil well underground equipment fouling, a plurality of series connection of scale-proof apparatus of the present utility model can be used, thereby guarantee at oil well in the normal time between overhauls(TBO), the oil well underground equipment can be because of fouling, cause the operation maintenance, the waste recondition expense influences oil well output.
The utility model novel structure, easy to operate, can be widely used in the oil recovery of oil field, adopt this scale-proof apparatus, can effectively prevent the fouling of oil well underground equipment, thereby guarantee that underground equipment normally moves, avoid the operation maintenance, save recondition expense, increase oil well output.
Accompanying drawing is the utility model general structure schematic diagram.
Below in conjunction with accompanying drawing enforcement of the present utility model is further described.
Accompanying drawing shows structure of the present utility model.Top connection 1 is the pipe reducer union, and an end has the pin thread that matches with the standard oil pipe with oil well production, and an end has the negative thread that matches with housing 2; Housing 2 in a tubular form, there is pin thread the upper end, there is negative thread the lower end, the bottom is the screen casing shape, and a plurality of little through holes are arranged on the tube wall; Filler 3 is for having the iron filings of certain thickness and length or the dough that special fibre is wound in certain interval, and perhaps for being contained in the rod-like crystal scale preventative in the wire lath, perhaps said two devices respectively accounts for a part; Lower end cap 4 is a plug, is column, and an end has the pin thread that matches with housing 2 lower ends, and the other end is hexagon (being convenient to screw thread).
Claims (3)
1, a kind of oil well down-hole scale-proof apparatus that is used for the oil field, it is characterized in that: it is made up of top connection (1), housing (2), filler (3), lower end cap (4), its connecting mode is: filler (3) is placed in the housing (2), and top connection (1), lower contact (4) connect with housing (2) respectively.
2, the described a kind of oil well down-hole scale-proof apparatus that is used for the oil field of root a tree name claim 1 is characterized in that: housing (2) in a tubular form, there is pin thread the upper end, there is negative thread the lower end, the bottom is the screen casing shape, and a plurality of little through holes are arranged on the wall.
3, the described a kind of oil well down-hole scale-proof apparatus that is used for the oil field of root a tree name claim 1, it is characterized in that: filler (3) is for having the iron filings of certain thickness and length or the dough that special fibre is wound in certain interval, perhaps for being contained in the rod-like crystal scale preventative in the wire lath, perhaps said two devices respectively accounts for a part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00252726 CN2453128Y (en) | 2000-11-03 | 2000-11-03 | Scale proof means for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00252726 CN2453128Y (en) | 2000-11-03 | 2000-11-03 | Scale proof means for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2453128Y true CN2453128Y (en) | 2001-10-10 |
Family
ID=33610316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00252726 Expired - Fee Related CN2453128Y (en) | 2000-11-03 | 2000-11-03 | Scale proof means for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2453128Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847310A (en) * | 2015-04-29 | 2015-08-19 | 王素君 | Auxiliary pumping device for oil extraction |
| CN105298402A (en) * | 2015-04-08 | 2016-02-03 | 关良玉 | Manufacturing method of paraffin-control anti-scale anticorrosion alloy suction aid |
| CN111335845A (en) * | 2020-03-26 | 2020-06-26 | 东北石油大学 | Adsorption ball for scale prevention of oil well |
-
2000
- 2000-11-03 CN CN 00252726 patent/CN2453128Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298402A (en) * | 2015-04-08 | 2016-02-03 | 关良玉 | Manufacturing method of paraffin-control anti-scale anticorrosion alloy suction aid |
| CN104847310A (en) * | 2015-04-29 | 2015-08-19 | 王素君 | Auxiliary pumping device for oil extraction |
| CN111335845A (en) * | 2020-03-26 | 2020-06-26 | 东北石油大学 | Adsorption ball for scale prevention of oil well |
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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 |