CN202031544U - High-efficiency rotating tube scraper - Google Patents
High-efficiency rotating tube scraper Download PDFInfo
- Publication number
- CN202031544U CN202031544U CN2011200976881U CN201120097688U CN202031544U CN 202031544 U CN202031544 U CN 202031544U CN 2011200976881 U CN2011200976881 U CN 2011200976881U CN 201120097688 U CN201120097688 U CN 201120097688U CN 202031544 U CN202031544 U CN 202031544U
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- Prior art keywords
- scraper
- annular
- distinguish
- scraping
- petalled
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Abstract
The utility model relates to a high-efficiency rotating tube scraper, which comprises an upper connector, a spindle, a centralizing sleeve, an annular scraper, a spring and a lower connector and is characterized in that the spindle is connected with the centralizing sleeve through fastening elements, the upper end of the annular scraper is sleeved in the centralizing sleeve, the lower end of the annular scraper is sleeved in a scraper fixing sleeve in which a petalled scraper and a filler block are arranged, the spring is arranged between the petalled scraper and the filler block, the spindle is connected with the lower connector through screw buckles, and an adjusting ring is arranged between the scraper fixing sleeve and the lower connector. The high-efficiency rotation tube scraper has the advantages that the annular scraper and the petalled scraper are combined, the annular scraper and the petalled scraper are complimentary to each other to some extent, and during rotating scraping, scraping times of a certain point in the tube are increased so that scraping efficiency of the high-efficiency rotating tube scraper is improved. Additionally, operations of cement plug drilling, tube scraping and well washing can be fulfilled by one time so that the time spent on running the drilling tool into the well is saved.
Description
Technical field
The utility model belongs to the clean-out service technical field in the completion, particularly designs a kind of efficient rotating scrapper.
Background technology
New well will be removed foreign material such as the cement in the sleeve pipe, iron filings, shell skin, burr, paraffin, greasy dirts before and after perforation, and is not contaminated with the protection stratum, simultaneously, guarantees that completion tool is lowered to smoothly.In addition, oil well is through after using for a long time, and internal surface of sleeve pipe can produce damage, undergauge occurs, break, problem such as burr, need be lowered to the drifting of drifting device, check whether internal diameter changes, and also needs to be lowered to pipeline scraper materials such as the metallic bur power on the internal surface of sleeve pipe, incrustation scale are carried out scraping.At present, domestic also do not have a ripe rotating scrapper of finishing drilling out and pipe cleaning clean-out service for one, and the distinguish scraping blade easily fall well, cutting power is poor, efficient is low, often be not hampered, even cause packer or screen damage because of the pipe cleaning well-flushing does not totally cause sand control pipe to be lowered to.Its technology of external rotating scrapper is relatively ripe, but still exist certain drawback, can't transfer torque as: annular scraping blade, cutting power is relatively poor, the poor flexibility of distinguish pipeline scraper inner spring, distortion are more serious, and the pipeline scraper that does not both at home and abroad also have annular scraping blade and distinguish scraping blade to be used in combination.
Summary of the invention
The utility model for solve the technical problem that exists in the known technology provide a kind of easy and simple to handle, improve operating efficiency, reduce operating risk and reduce the efficient rotating scrapper of formation contaminant.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: efficient rotating scrapper, comprise top connection, mandrel, supporting positive cover, the annular scraper, spring and lower contact, it is characterized in that: described mandrel is connected with supporting positive cover by securing member, described annular scraper upper end is sleeved in the supporting positive cover, annular scraper lower end is sleeved in the scraper fixed cover, distinguish scraper and cushion block are housed in the scraper fixed cover, between distinguish scraper and cushion block, spring is housed, described mandrel is connected with lower contact by the spiral shell button, also is provided with adjustable ring between scraper fixed cover and lower contact.
The utility model can also adopt following technical scheme:
Described annular scraper is the integrated formed structure that is provided with blade on 360 ° of circumference.
Advantage and the good effect that the utlity model has are: because the utility model adopts technique scheme, promptly adopt the efficient rotating scrapper of annular scraper and distinguish scraper combination.The relative sleeve pipe of annular scraper covers for 360 ° fully, and big with the sleeve pipe contact area, cleaning performance is good, and do not need spring, but the relative mandrel of annular scraping blade can not provide certain moment of torsion, thereby can produce the rotation automatically when running into the foreign material that are difficult for wiping off of annular scraper, gets around the phenomenon of foreign material; The relative sleeve pipe of distinguish scraper also is 360 ° and covers fully, but relative less with the sleeve pipe contact area, but the distinguish blade cover is contained in the scraper fixed cover, scraper fixed cover and mandrel rotate synchronously, and mandrel can provide certain moment of torsion relatively, and the peak torque that can regulate the relative mandrel of distinguish scraper by the adjustable ring of changing different-thickness, the distinguish scraper can be easily disposed the foreign material of easy-clear not like this, arrive the complementary effect of two kinds of different scrapers, thereby reach higher cleaning performance, and fashionable down certain any the cutting number of times that in the unit interval, increased of distinguish scraper rotation, thereby improved efficient rotating scrapper stock-removing efficiency, reduce greatly not to be hampered the loss that screen casing or packer damage etc. brings because of pipe cleaning does not totally cause perforating gun or sand control pipe to be lowered to.In addition, this instrument can be finished pipe cleaning clean-out service and the operation of sludge plug for one time, compares conventional completion practice and can save the trip time one time.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model scraper fixed cover structural representation.
Among the figure: 1, mandrel; 2, trip bolt; 3, supporting positive cover; 4, annular scraper; 5, distinguish scraper; 6, cushion block; 7, spring; 8, scraper fixed cover; 9, adjustable ring; 10, trip bolt; 11, lower contact.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1 and Fig. 2, efficient rotating scrapper mainly comprises mandrel 1, supporting positive cover 3, annular scraper 4, distinguish scraper 5, cushion block 6, spring 7, scraper fixed cover 8, adjustable ring 9 and lower contact 11.Described mandrel 1 connects supporting positive cover 3 by trip bolt 2, annular scraper 4 upper ends are sleeved in the supporting positive cover 3, the lower end is sleeved on scraper fixed cover interior 8, distinguish scraper 5 and cushion block 6 are housed in scraper fixed cover 8, between distinguish scraper 5 and cushion block 6, spring 7 is housed, described mandrel 1 is connected with lower contact 11 by the spiral shell button, also has adjustable ring 9 between scraper fixed cover 8 and the lower contact 11.
Efficient rotating scrapper structure has been used for reference the operating principle of load display and existing pipeline scraper, and scraper adopts the combining structure of distinguish scraper and annular scraper.
The process of being lowered to can be rotated tubing string, and can be lowered to for one time with drill bit and carry out the drilling out operation.
With distinguish scraper and annular scraper modular design, the relative mandrel rotation of annular scraper, and distinguish scraper and mandrel rotate synchronously, and distinguish scraper rotation is fashionable down to have increased certain any cutting number of times in the unit interval, thereby has improved efficient rotating scrapper stock-removing efficiency.Change gap between scraping blade fixed cover and the mandrel by the adjustable ring of changing different-thickness, the peak torque of regulating the relative mandrel of distinguish scraper is disposed thereby will get around the foreign material that annular scraping blade do not wipe off with the distinguish scraping blade.
Easily come off and the problem of spring difference at present scraping blade, designed the combining structure of annular scraping blade and distinguish scraping blade.The relative sleeve pipe of annular scraping blade covers for 360 ° fully, big with the sleeve pipe contact area, and do not need spring, but the relative mandrel of annular scraping blade can not provide certain moment of torsion, thus can produce the rotation automatically when running into the foreign material that are difficult for wiping off of annular scraping blade, get around the phenomenon of foreign material, for head it off, designed built-in distinguish scraping blade, this built-in distinguish scraping blade can not break away from the scraping blade fixed cover, and mandrel provides certain moment of torsion relatively, thereby solves the problem that foreign material get around annular scraping blade.
Claims (2)
1. efficient rotating scrapper, comprise top connection, mandrel, supporting positive cover, annular scraper, spring and lower contact, it is characterized in that: described mandrel is connected with supporting positive cover by securing member, described annular scraper upper end is sleeved in the supporting positive cover, annular scraper lower end is sleeved in the scraper fixed cover, distinguish scraper and cushion block are housed in the scraper fixed cover, between distinguish scraper and cushion block, spring is housed, described mandrel and lower contact link by spiral shell and connect, and are provided with adjustable ring between scraper fixed cover and lower contact.
2. efficient rotating scrapper according to claim 1 is characterized in that: described annular scraper is the integrated formed structure that is provided with blade on 360 ° of circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200976881U CN202031544U (en) | 2011-04-06 | 2011-04-06 | High-efficiency rotating tube scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200976881U CN202031544U (en) | 2011-04-06 | 2011-04-06 | High-efficiency rotating tube scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202031544U true CN202031544U (en) | 2011-11-09 |
Family
ID=44893846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200976881U Expired - Fee Related CN202031544U (en) | 2011-04-06 | 2011-04-06 | High-efficiency rotating tube scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202031544U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364040A (en) * | 2011-11-21 | 2012-02-29 | 中国海洋石油总公司 | Underground sleeve steel brush cleaner |
| CN103806870A (en) * | 2014-02-28 | 2014-05-21 | 成都大漠石油机械有限公司 | Sectional oil tube interior cleaning tool |
| CN103806869A (en) * | 2014-02-28 | 2014-05-21 | 成都大漠石油机械有限公司 | Inner-oil-tube cleaning tool |
| CN104668248A (en) * | 2015-03-13 | 2015-06-03 | 成都大漠石油机械有限公司 | Oil and water pipe wall decontamination structure for secondary utilization |
| CN105114036A (en) * | 2015-09-01 | 2015-12-02 | 长江大学 | Axial sliding type marine riser cleaning device |
| CN106639983A (en) * | 2016-11-30 | 2017-05-10 | 中国海洋石油总公司 | Variable-diameter tube scraper of casing pipe |
| CN109051468A (en) * | 2018-06-20 | 2018-12-21 | 徐州徐工环境技术有限公司 | A kind of self-cleaning system possessing dual mode operation |
| CN110847860A (en) * | 2019-12-04 | 2020-02-28 | 贵州高峰石油机械股份有限公司 | Casing pipe scraper |
| CN113216903A (en) * | 2021-05-25 | 2021-08-06 | 中石化石油工程技术服务有限公司 | Mechanical unfreezing non-rotating casing scraper |
-
2011
- 2011-04-06 CN CN2011200976881U patent/CN202031544U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364040B (en) * | 2011-11-21 | 2014-06-11 | 中国海洋石油总公司 | Underground sleeve steel brush cleaner |
| CN102364040A (en) * | 2011-11-21 | 2012-02-29 | 中国海洋石油总公司 | Underground sleeve steel brush cleaner |
| CN103806870A (en) * | 2014-02-28 | 2014-05-21 | 成都大漠石油机械有限公司 | Sectional oil tube interior cleaning tool |
| CN103806869A (en) * | 2014-02-28 | 2014-05-21 | 成都大漠石油机械有限公司 | Inner-oil-tube cleaning tool |
| CN104668248A (en) * | 2015-03-13 | 2015-06-03 | 成都大漠石油机械有限公司 | Oil and water pipe wall decontamination structure for secondary utilization |
| CN105114036B (en) * | 2015-09-01 | 2017-05-10 | 长江大学 | Axial sliding type marine riser cleaning device |
| CN105114036A (en) * | 2015-09-01 | 2015-12-02 | 长江大学 | Axial sliding type marine riser cleaning device |
| CN106639983A (en) * | 2016-11-30 | 2017-05-10 | 中国海洋石油总公司 | Variable-diameter tube scraper of casing pipe |
| CN106639983B (en) * | 2016-11-30 | 2018-12-14 | 中国海洋石油集团有限公司 | A kind of reducing casing pipeline scraper |
| CN109051468A (en) * | 2018-06-20 | 2018-12-21 | 徐州徐工环境技术有限公司 | A kind of self-cleaning system possessing dual mode operation |
| CN109051468B (en) * | 2018-06-20 | 2023-08-29 | 徐州徐工环境技术有限公司 | Self-cleaning system with dual-mode operation |
| CN110847860A (en) * | 2019-12-04 | 2020-02-28 | 贵州高峰石油机械股份有限公司 | Casing pipe scraper |
| CN113216903A (en) * | 2021-05-25 | 2021-08-06 | 中石化石油工程技术服务有限公司 | Mechanical unfreezing non-rotating casing scraper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161226 Address after: 100027 Beijing city Dongcheng District Dongzhimen Street No. 6 Patentee after: CNOOC Energy Technology Co., Ltd. Address before: 100010 Dongcheng District, Chaoyangmen, North Street, No. 25, ocean Oil Mansion, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Energy Technology Co., Ltd. Patentee before: CNOOC Energy Technology & Sevices-Supervision &Technology Co. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20200406 |