CN203961914U - A kind of taper sand washing pipeline scraper - Google Patents
A kind of taper sand washing pipeline scraper Download PDFInfo
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- CN203961914U CN203961914U CN201420413753.0U CN201420413753U CN203961914U CN 203961914 U CN203961914 U CN 203961914U CN 201420413753 U CN201420413753 U CN 201420413753U CN 203961914 U CN203961914 U CN 203961914U
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- scraping main
- milling
- scraping
- lug boss
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Abstract
A taper sand washing pipeline scraper, relates to the design field of burnisher for oilfield downhole operation.The utility model comprises top connection, scraping main body, milling body, movable sand-washing pen point, scraping main body disjunctor is arranged on the below of top connection, oblique shoulder in scraping main body is provided with two inclined holes, two inclined holes are communicated with centre bore respectively, at the periphery wall of scraping main body, are provided with spiral scraping blade; Milling body is connected with the bottom of scraping main body, on the external perisporium of milling, milling material is set; In scraping main body inner wall, the first positive stop lug boss is set below inclined hole, in milling body upper inside wall, be provided with the second positive stop lug boss, in movable sand-washing pen point upper end, within one week, be provided with flange, flange is equipped with between the first positive stop lug boss and the second positive stop lug boss, and movable sand-washing pen point is slided up and down in the inner side of scraping main body.The utility model improves efficiency of construction, reduce work operations amount, and cleaning performance is good, be applicable to sleeve pipe clean, sand washing etc.
Description
Technical field
The utility model relates to the design field of burnisher for oilfield downhole operation.
Background technology
In use for some time, tube inner wall can wax deposition, knot trowel used for plastering or salt crust, causes pipe aperture to diminish for the oil pipe of water injection well, and when water injection well is implemented to test, occurring that tester is hampered can not pass through phenomenon.In order to implement test, need to carry out operation to well, remove in time incrustation scale, wax, salt, to ensure normally carrying out of the normal production of well and test job.The pipeline scraper using due to oil field adopts steel wire to be lowered to, and can not transmit scraping power, has the problems such as pipe cleaning one-time success rate is low, easy Ka Jing; On the other hand, scraper can not enter the downhole tool inner chamber that diameter diminishes and rinse, and the foul being scraped can be deposited in instrument, adopts former tubing string backwash, weak effect, and very multiwell test failure, has to carry out lift pipe string operation.
Utility model content
The utility model object is for above problem, provide a kind of easy to use, simple in structure, success rate is high, is difficult for Ka Jing, effective taper sand washing pipeline scraper.
The utility model comprises top connection, scraping main body, milling body, movable sand-washing pen point, described scraping main body disjunctor is arranged on the below of top connection, oblique shoulder in described scraping main body is provided with two inclined holes, inclined hole described in two is communicated with centre bore respectively, at the periphery wall of described scraping main body, is provided with spiral scraping blade; Described milling body is connected with the bottom of scraping main body, on the external perisporium of described milling, milling material is set; In described scraping main body inner wall, the first positive stop lug boss is set below inclined hole, in described milling body upper inside wall, be provided with the second positive stop lug boss, in described movable sand-washing pen point upper end, within one week, be provided with flange, described flange is equipped with between the first positive stop lug boss and the second positive stop lug boss, and movable sand-washing pen point is slided up and down in the inner side of scraping main body.
The utility model is for down-hole string or instrument inner wall washing, can adopt in use coiled tubing or other minor diameter hollow pipe column to be lowered in downhole water injection string, be connected to hydraulic motor lower end, when behind needs scraping position, the slow turn on pump circulation in ground, after flushing fluid circulation is normal, strengthen discharge capacity, hydraulic motor work, the milling of band power driven tools rotating grinding, and up and down tubing string carries out scraping.In operating tool string downwards, the part centre bore of flowing through, goes out through movable sand-washing pen point endoporus flushing liquor, forms powerful impact force downwards, rinses sand setting and foul, and another part flushing liquor through two eccentric orfices upwards, enters annular space, to break up the foul scraping.When being hampered in well, the milling body upper berth of bottom is welded with hard milling material, can destroy down-hole trowel used for plastering, crystalline solid etc., and in entering the downhole production tubing string need cleaning, during the inner chamber of instrument, movable nib is extended to be rinsed, and rinses sand setting and foul.This tool design is reasonable, and one-trip string is realized scraping, rinsed two functions, improves efficiency of construction, reduce work operations amount, and cleaning performance is good, be applicable to sleeve pipe clean, sand washing etc.
Scraping main body described in the utility model comprises that cylindrical section and disjunctor are arranged on the conical section of cylindrical section below, and conical section is implemented progressively hole enlargement from small to large, and shorter cylindrical section is repaired formula scraping, implements gauge.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, the utility model comprises top connection 1, scraping main body 2, milling body 3, movable sand-washing pen point 5, scraping main body 2 disjunctors are arranged on the below of top connection 1, oblique shoulder in scraping main body 2 is provided with two inclined holes 6, two inclined holes 6 are communicated with centre bore 4 respectively, at the periphery wall of scraping main body 2, are provided with spiral scraping blade 7; Scraping main body 2 comprises that cylindrical section 2-1 and disjunctor are arranged on the conical section 2-2 of cylindrical section 2-1 below; Milling body 3 is connected with the bottom of scraping main body 2, on milling body 3 periphery walls, milling material 8 is set; At scraping main body 2 inwalls, the first positive stop lug boss 2-3 is set below inclined hole 6, in milling body 3 upper inside wall, be provided with the second positive stop lug boss 3-1, in movable sand-washing pen point 5 upper end, within one week, be provided with flange 5-1, flange 5-1 is equipped with between the first positive stop lug boss 2-3 and the second positive stop lug boss 3-1, and movable sand-washing pen point 5 is slided up and down in the inner side of scraping main body 2.
Claims (2)
1. a taper sand washing pipeline scraper, comprise top connection, scraping main body, milling body, movable sand-washing pen point, it is characterized in that: described scraping main body disjunctor is arranged on the below of top connection, oblique shoulder in described scraping main body is provided with two inclined holes, inclined hole described in two is communicated with centre bore respectively, at the periphery wall of described scraping main body, is provided with spiral scraping blade; Described milling body is connected with the bottom of scraping main body, on the external perisporium of described milling, milling material is set; In described scraping main body inner wall, the first positive stop lug boss is set below inclined hole, in described milling body upper inside wall, be provided with the second positive stop lug boss, in described movable sand-washing pen point upper end, within one week, be provided with flange, described flange is equipped with between the first positive stop lug boss and the second positive stop lug boss, and movable sand-washing pen point is slided up and down in the inner side of scraping main body.
2. a kind of taper sand washing pipeline scraper according to claim 1, is characterized in that: described scraping main body comprises that cylindrical section and disjunctor are arranged on the conical section of cylindrical section below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413753.0U CN203961914U (en) | 2014-07-25 | 2014-07-25 | A kind of taper sand washing pipeline scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413753.0U CN203961914U (en) | 2014-07-25 | 2014-07-25 | A kind of taper sand washing pipeline scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203961914U true CN203961914U (en) | 2014-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420413753.0U Active CN203961914U (en) | 2014-07-25 | 2014-07-25 | A kind of taper sand washing pipeline scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203961914U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194112A (en) * | 2016-09-08 | 2016-12-07 | 中国海洋石油总公司 | A kind of oil well pipe cleaning sand washing integrated apparatus and pipe cleaning sand washing method |
| CN110984915A (en) * | 2019-12-19 | 2020-04-10 | 牡丹江天庆石油机械设备有限公司 | Elastic paraffin scraping and sand washing type guide cone for oil field |
| CN113175305A (en) * | 2021-05-12 | 2021-07-27 | 贺胜堂 | Drillable hydraulic turbine well-flushing anchor |
-
2014
- 2014-07-25 CN CN201420413753.0U patent/CN203961914U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194112A (en) * | 2016-09-08 | 2016-12-07 | 中国海洋石油总公司 | A kind of oil well pipe cleaning sand washing integrated apparatus and pipe cleaning sand washing method |
| CN106194112B (en) * | 2016-09-08 | 2019-01-11 | 中国海洋石油集团有限公司 | A kind of oil well pipe cleaning sand washing integrated apparatus and pipe cleaning sand washing method |
| CN110984915A (en) * | 2019-12-19 | 2020-04-10 | 牡丹江天庆石油机械设备有限公司 | Elastic paraffin scraping and sand washing type guide cone for oil field |
| CN113175305A (en) * | 2021-05-12 | 2021-07-27 | 贺胜堂 | Drillable hydraulic turbine well-flushing anchor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |