CN112610187A - Non-rotating brush pipe scraper - Google Patents
Non-rotating brush pipe scraper Download PDFInfo
- Publication number
- CN112610187A CN112610187A CN202011599899.5A CN202011599899A CN112610187A CN 112610187 A CN112610187 A CN 112610187A CN 202011599899 A CN202011599899 A CN 202011599899A CN 112610187 A CN112610187 A CN 112610187A
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- China
- Prior art keywords
- brush
- brush body
- handed
- rotating
- rotating brush
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- 239000011324 bead Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007790 scraping Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Brushes (AREA)
Abstract
The invention discloses a non-rotating brush pipe scraper which comprises a mandrel, a right-rotating brush body, a positioning sleeve, a left-rotating brush body and a lower joint, wherein the lower end of the mandrel is fixedly connected with the lower joint in a threaded manner, the right-rotating brush body, the positioning sleeve and the left-rotating brush body are sleeved on the mandrel, the right-rotating brush body and the left-rotating brush body are respectively connected to two ends of the positioning sleeve, a right-rotating spiral convex rib and a left-rotating spiral convex rib are respectively arranged on the outer walls of the right-rotating brush body and the left-rotating brush body, mounting holes are uniformly distributed on the right-rotating spiral convex rib and the left-rotating spiral convex rib, and a floating brush device is fixed in each mounting hole. The brushes of each floating brush device are distributed in a three-point mode, so that the uniform stress of a single floating brush device is ensured, a rotating force is provided for a single-point brush in the upper scraping pipe and the lower scraping pipe, and the single brush does not rotate in a fixed mode, so that the oil sleeve can be better cleaned.
Description
Technical Field
The invention relates to a non-rotating brush pipe scraper, belonging to the technical field of oil field downhole tools.
Background
The scraper is a casing cleaning tool, widely used in well drilling and well repairing, and has the main function of cleaning the inner surface of the oil casing to provide a clean oil casing for the next well cementing and well completing. However, most of the existing brush scrapers have the following problems: 1. the brush is easy to fall off, and the requirement of cleaning the sleeve cannot be met; 2. the structure is complex, the processing difficulty is high, the processing period is long, and the current production mode which requires zero stock and short delivery period cannot be ensured; 3. the maintenance is inconvenient, the whole brush body needs to be replaced due to the conventional structure, the disassembly and assembly time is long, and the maintenance cost is high.
Disclosure of Invention
The invention aims to provide a non-rotating brush pipe scraper to save product cost, reduce processing difficulty, shorten processing period and reduce assembly difficulty.
The technical scheme of the invention is as follows: the utility model provides a non-rotary brush scraper, includes mandrel, the dextrorotation brush body, position sleeve, the levogyration brush body and lower clutch, the lower extreme and the lower clutch threaded connection of mandrel are fixed, and the cover has the dextrorotation brush body, position sleeve and the levogyration brush body on the mandrel, and the dextrorotation brush body is connected respectively at the both ends of position sleeve with the levogyration brush body, is provided with dextrorotation spiral bead and levogyration spiral bead on the outer wall of the dextrorotation brush body and the levogyration brush body respectively, all the equipartition has the mounting hole on dextrorotation spiral bead and levogyration spiral bead, is fixed with unsteady brush device in every mounting hole.
Furthermore, the right-handed spiral bead and the left-handed spiral bead are respectively and uniformly distributed on the outer walls of the right-handed brush body and the left-handed brush body.
Furthermore, the inner hole of the right-handed rotating brush body or the left-handed rotating brush body is internally provided with a wear-resistant sleeve in a pressing way.
Furthermore, both ends of the locating sleeve are provided with first rectangular teeth, second rectangular teeth matched with the first rectangular teeth are arranged at the end parts of the right-handed rotating brush body and the left-handed rotating brush body, and gaps are reserved between the first rectangular teeth and the second rectangular teeth.
Furthermore, the floating brush device comprises a brush fixing seat arranged in the mounting hole and a spring arranged at the bottom of the brush fixing seat, three through fixing holes are uniformly distributed in the brush fixing seat, a brush is fixed in each fixing hole, a supporting sleeve is sleeved outside the brush fixing seat, a half ring is sleeved outside the supporting sleeve and clamped in the mounting hole, an elastic check ring is sleeved at the upper end of the outside of the brush fixing seat, the bottom of the elastic check ring is in contact with the top of the supporting sleeve, and the elastic check ring is clamped in the mounting hole.
Furthermore, the lower end of the brush is welded and fixed with the brush fixing seat.
Further, a sealing ring is arranged at the joint of the mandrel and the lower joint.
Due to the adoption of the technical scheme, the invention has the advantages that:
1. the structure is simple, the production and processing period is short, and the cost is saved;
2. the brush is embedded into the brush fixing seat in a through mode and is welded with the brush fixing seat, so that the firmness of the brush is guaranteed;
3. the hairbrushes are distributed in a spiral point mode, 360-degree coverage is guaranteed, and the use of the whole pipe scraper is not influenced when one hairbrush is damaged;
4. the brush of each floating brush device is distributed in a three-point mode, the uniform stress of the single floating brush device is guaranteed, a rotating force is provided for the single-point brush in the upper scraping pipe and the lower scraping pipe, the single brush is not fixed, and the effect of better cleaning an oil sleeve is achieved.
5. The right-handed brush body and the left-handed brush body are symmetrically arranged at two ends of the positioning sleeve in a left-right rotation mode, and are matched and connected with the positioning sleeve in the middle through the rectangular teeth with certain gaps, and in the up-down scraping pipe, due to the fact that the right-handed brush body and the left-handed brush body are different in rotation direction, a circumferential instant acceleration impact force is exerted on the inner surface of the oil sleeve, and a better cleaning effect is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional structure view of a right-handed or left-handed brush body.
Description of reference numerals: 1-mandrel, 2-wear-resistant sleeve, 3-right-handed brush body, 4-positioning sleeve, 5-left-handed brush body, 6-lower joint, 7-spring, 8-brush fixing seat, 9-semi-ring, 10-supporting sleeve, 11-elastic retainer ring, 12-sealing ring, 13-right-handed spiral rib, 14-left-handed spiral rib and 15-brush.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples.
The embodiment of the invention comprises the following steps: the non-rotating brush pipe scraper is shown in figure 1, and comprises a mandrel 1, a right-handed brush body 3, a positioning sleeve 4, a left-handed brush body 5 and a lower joint 6, wherein the lower end of the mandrel 1 is fixedly connected with the lower joint 6 through threads, and a sealing ring 12 is arranged at the joint of the mandrel 1 and the lower joint 6. The right-handed brush body 3, the locating sleeve 4 and the left-handed brush body 5 are sleeved on the mandrel 1, the right-handed brush body 3 and the left-handed brush body 5 are connected to two ends of the locating sleeve 4 respectively, the right-handed spiral rib 13 and the left-handed spiral rib 14 are arranged on the outer walls of the right-handed brush body 3 and the left-handed brush body 5 respectively, mounting holes are uniformly distributed in the right-handed spiral rib 13 and the left-handed spiral rib 14, and a floating brush device is fixed in each mounting hole. The right-handed spiral rib 13 and the left-handed spiral rib 14 are respectively and uniformly distributed on the outer walls of the right-handed brush body 3 and the left-handed brush body 5. The wear-resistant sleeve 2 is pressed in the inner hole of the right-handed rotating brush body 3 or the left-handed rotating brush body 5, so that the service life of the right-handed rotating brush body 3 or the left-handed rotating brush body 5 is prolonged. The both ends of position sleeve 4 all are provided with first rectangle tooth, are provided with the second rectangle tooth with first rectangle tooth complex at the tip of right-handed brush body 3 and the left-handed brush body 5, and reserve the clearance between first rectangle tooth and the second rectangle tooth.
Referring to fig. 2, the floating brush device includes a brush holder 8 disposed in the mounting hole and a spring 7 disposed at the bottom of the brush holder 8, three fixing holes are uniformly distributed on the brush holder 8, a brush 15 is fixed in each fixing hole, a support sleeve 10 is sleeved outside the brush holder 8, a half ring 9 is sleeved outside the support sleeve 10, the half ring 9 is clamped in the mounting hole, an elastic collar 11 is sleeved on the upper end of the outside of the brush holder 8, the bottom of the elastic collar 11 contacts with the top of the support sleeve 10, and the elastic collar 11 is clamped in the mounting hole. The lower extreme and the brush fixing base 8 welded fastening of brush 15, brush 15 adopt through type to implant brush fixing base 8 and with the welding of brush fixing base 8, have guaranteed brush 15's fastness. The hairbrush 15 adopts spiral point type distribution, which ensures 360-degree coverage, and the use of the whole pipe scraper is not influenced by the damage of one hairbrush 15; the brush 15 of each floating brush device is distributed in a three-point mode, so that the uniform stress of the single floating brush device is guaranteed, a rotating force is provided for the single-point brush in the upper and lower scraping pipes, and the single brush is rotated without a fixed mode, so that the effect of better cleaning an oil sleeve is achieved. The right-handed brush body 3 and the left-handed brush body 5 are symmetrically arranged at two ends of the positioning sleeve 4 in a left-right rotating mode, and are connected with the positioning sleeve 4 in the middle through rectangular teeth with a certain gap in a matching mode.
Claims (7)
1. The utility model provides a non-rotary brush scraper, includes mandrel (1), the dextrorotation brush body (3), position sleeve (4), the levogyration brush body (5) and lower clutch (6), its characterized in that: the lower extreme and the lower clutch (6) threaded connection of mandrel (1) are fixed, the cover has dextrorotation brush body (3), position sleeve (4) and levogyration brush body (5) on mandrel (1), and dextrorotation brush body (3) and levogyration brush body (5) connect respectively at the both ends of position sleeve (4), be provided with dextrorotation spiral bead (13) and levogyration spiral bead (14) on the outer wall of dextrorotation brush body (3) and levogyration brush body (5) respectively, all the equipartition has the mounting hole on dextrorotation spiral bead (13) and levogyration spiral bead (14), be fixed with the brush device that floats in every mounting hole.
2. A non-rotating brush scraper according to claim 1 in which: the right-handed spiral convex rib (13) and the left-handed spiral convex rib (14) are respectively and uniformly distributed on the outer walls of the right-handed brush body (3) and the left-handed brush body (5).
3. A non-rotating brush scraper according to claim 1 in which: and the wear-resistant sleeve (2) is pressed in an inner hole of the right-handed brush body (3) or the left-handed brush body (5).
4. A non-rotating brush scraper according to claim 1 in which: the two ends of the positioning sleeve (4) are provided with first rectangular teeth, the end parts of the right-handed rotating brush body (3) and the left-handed rotating brush body (5) are provided with second rectangular teeth matched with the first rectangular teeth, and gaps are reserved between the first rectangular teeth and the second rectangular teeth.
5. A non-rotating brush scraper according to claim 1 in which: the floating brush device comprises a brush fixing seat (8) arranged in a mounting hole and a spring (7) arranged at the bottom of the brush fixing seat (8), three through fixing holes are uniformly distributed in the brush fixing seat (8), a brush (15) is fixed in each fixing hole, a support sleeve (10) is sleeved outside the brush fixing seat (8), a half ring (9) is sleeved outside the support sleeve (10), the half ring (9) is clamped in the mounting hole, an elastic check ring (11) is sleeved at the upper end of the outside of the brush fixing seat (8), the bottom of the elastic check ring (11) is in contact with the top of the support sleeve (10), and the elastic check ring (11) is clamped in the mounting hole.
6. A non-rotating brush scraper according to claim 5 in which: the lower end of the brush (15) is welded and fixed with the brush fixing seat (8).
7. A non-rotating brush scraper according to claim 1 in which: and a sealing ring (12) is arranged at the joint of the mandrel (1) and the lower joint (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011599899.5A CN112610187B (en) | 2020-12-29 | 2020-12-29 | Non-rotating brush scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011599899.5A CN112610187B (en) | 2020-12-29 | 2020-12-29 | Non-rotating brush scraper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112610187A true CN112610187A (en) | 2021-04-06 |
| CN112610187B CN112610187B (en) | 2024-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011599899.5A Active CN112610187B (en) | 2020-12-29 | 2020-12-29 | Non-rotating brush scraper |
Country Status (1)
| Country | Link |
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| CN (1) | CN112610187B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314104A (en) * | 2022-01-05 | 2022-04-12 | 淮安君禾新材料科技有限公司 | Metalized film splitting machine with static electricity eliminating device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4572291A (en) * | 1984-11-06 | 1986-02-25 | Robison Robert E | Well casing scraper |
| US6464010B1 (en) * | 1998-08-13 | 2002-10-15 | Global Completion Services, Inc. | Apparatus and method for cleaning a tubular member with a brush |
| CN204344076U (en) * | 2014-12-18 | 2015-05-20 | 贵州高峰石油机械股份有限公司 | A kind of efficient brush cleaning workover tool |
| CN204899866U (en) * | 2015-06-02 | 2015-12-23 | 东营市瑞丰石油技术发展有限责任公司 | High -efficient pit shaft cleaning means |
| CN105604523A (en) * | 2015-12-25 | 2016-05-25 | 贵州高峰石油机械股份有限公司 | Method for improving pipe scraper and pipe scraper |
| CN205243473U (en) * | 2015-12-25 | 2016-05-18 | 贵州高峰石油机械股份有限公司 | Pipeline scraper |
| CN106377051B (en) * | 2016-11-11 | 2018-06-12 | 贵州高峰石油机械股份有限公司 | A kind of novel brush scrapes pipe device |
| CN111335847A (en) * | 2020-04-07 | 2020-06-26 | 贵州高峰石油机械股份有限公司 | High-efficient wire brush scraper |
| CN214221149U (en) * | 2020-12-29 | 2021-09-17 | 贵州高峰石油机械股份有限公司 | Novel non-rotating brush pipe scraper |
-
2020
- 2020-12-29 CN CN202011599899.5A patent/CN112610187B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314104A (en) * | 2022-01-05 | 2022-04-12 | 淮安君禾新材料科技有限公司 | Metalized film splitting machine with static electricity eliminating device |
| CN114314104B (en) * | 2022-01-05 | 2023-03-03 | 淮安君禾新材料科技有限公司 | Metalized film splitting machine with static electricity eliminating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112610187B (en) | 2024-03-26 |
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