CN204827377U - Scrape material drill bit - Google Patents
Scrape material drill bit Download PDFInfo
- Publication number
- CN204827377U CN204827377U CN201520571174.3U CN201520571174U CN204827377U CN 204827377 U CN204827377 U CN 204827377U CN 201520571174 U CN201520571174 U CN 201520571174U CN 204827377 U CN204827377 U CN 204827377U
- Authority
- CN
- China
- Prior art keywords
- tablet
- rod body
- main rod
- drive link
- drill bit
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 title abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 description 27
- 239000001993 wax Substances 0.000 description 16
- 238000005520 cutting process Methods 0.000 description 11
- 230000008021 deposition Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model provides a scrape material drill bit, include: the mobile jib body, the tablet is scraped to the side, and the side is scraped the tablet and is set up on the mobile jib body along the radial telescopically of the mobile jib body. The utility model provides a scrape material drill bit has solved the problem that mechanical wax removal device that being used for among the prior art struck off the intraductal wax material of oil jacket takes place to damage or damage downhole tool easily.
Description
Technical field
The utility model relates to field of petroleum exploitation, in particular to a kind of scraper drill bit.
Background technology
At present, when exploiting the crude oil containing wax is higher, in tubing and casing, certain thickness wax is often deposited, this not only can cause pumping unit load to increase, and pipe aperture can be made to attenuate, cause oil well to fall product, and the impurity of the content of wax constantly and rod drag can reduce sucker rod application life.
In present stage, conventional wax removal technique has mechanical paraffin removal, hot-washing wax remover, electrothermal paraffin removal and chemical Paraffin Removal etc.For mechanical paraffin removal, the paraffin scraper not flexible of conventional mechanical paraffin removal device, if when tubing and casing inwall is provided with the underground equipment more smaller than tubing and casing internal diameter, often cause the damage of paraffin scraper or downhole tool.
Utility model content
Main purpose of the present utility model is to provide a kind of scraper drill bit, is easily damaged to solve the mechanical paraffin removal device for striking off the wax material in tubing and casing of the prior art or damages the problem of downhole tool.
To achieve these goals, the utility model provides a kind of scraper drill bit, comprising: main rod body; Tablet is scraped in side, and side is scraped tablet and is arranged in main rod body along the radial telescopically of main rod body.
Further, scraper drill bit also comprises: drive unit, and drive unit is arranged in main rod body, and drive unit and side are scraped tablet and driven and be connected, and drive side scraper sheet along the radial expansion of main rod body.
Further, scraper drill bit also comprises: transmission device, and transmission device is arranged in main rod body, and drive unit scrapes tablet stretching motion by actuator drives side.
Further, transmission device comprises: the first drive link, one end being axially movably arranged in main rod body along main rod body of the first drive link, and to scrape tablet hinged the other end of the first drive link and side; Second drive link, the side that is axially movably arranged on that tablet is laterally scraped in one end of the second drive link is scraped on tablet, and the other end of the second drive link and main rod body hinged; Wherein, drive unit drives with the first drive link and is connected, and drives the first drive link moving axially along main rod body.
Further, the first drive link and the second drive link arranged in a crossed manner, and the first drive link and the second drive link hinged in both crosspoints.
Further, scraper drill bit comprises multiple side and scrapes tablet, and transmission device comprises and multipairly scrapes tablet the first drive link and the second drive link one to one with side; Wherein, tablet is scraped along main rod body circumferentially in multiple side.
Further, transmission device also comprises sliding sleeve, sliding sleeve is axially movably arranged in main rod body along main rod body, and one end of the close main rod body of the first drive link is arranged on to make the first driven rod be arranged in main rod body by sliding sleeve on sliding sleeve, drive unit drives the first drive link to move by sliding sleeve.
Further, side is scraped on tablet and is provided with along its axially extended chute, and one end that tablet is scraped in the close side of the second drive link is arranged in chute movably.
Further, drive unit is fluid pressure drive device.
Further, the bottom of main rod body is provided with bottom and scrapes tablet, and side scraper sheet scrapes tablet setting around bottom.
Scraper drill bit in the utility model comprises main rod body and tablet is scraped in the side be arranged in this main rod body, because the radial telescopically setting of tablet along this main rod body is scraped in side, like this, when this scraper drill bit is used for the wax material struck off in tubing and casing, if be provided with underground equipment in this tubing and casing, at this moment, tablet can be scraped in side to shrink towards main rod body, and then make this scraper drill bit relatively easily by this underground equipment, thus reduce self damage of this scraper drill bit and the damage to underground equipment.
Scraper drill bit structure in the utility model is simple, easy to operate, side can be made more easily to scrape tablet shrink, and then reduce the volume of this scraper drill bit, solve the mechanical paraffin removal device for striking off the wax material in tubing and casing of the prior art and be easily damaged or damage the problem of downhole tool.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment of scraper drill bit of the present utility model.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, main rod body; 20, tablet is scraped in side; 21, chute; 30, drive unit; 40, transmission device; 41, the first drive link; 42, the second drive link; 43, sliding sleeve; 50, tablet is scraped in bottom.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Present embodiments provide a kind of scraper drill bit, please refer to Fig. 1, this scraper drill bit comprises: main rod body 10; Tablet 20 is scraped in side, and side is scraped tablet 20 and is arranged in main rod body 10 along the radial telescopically of main rod body 10.
Scraper drill bit in the present embodiment comprises main rod body 10 and tablet 20 is scraped in the side be arranged in this main rod body 10, because the radial telescopically setting of tablet 20 along this main rod body 10 is scraped in side, like this, when this scraper drill bit is used for the wax material struck off in tubing and casing, if be provided with underground equipment in this tubing and casing, at this moment, side can be scraped tablet 20 to shrink towards main rod body 10, and then make this scraper drill bit relatively easily by this underground equipment, thus reduce self damage of this scraper drill bit and the damage to underground equipment.
Scraper drill bit structure in the present embodiment is simple, easy to operate, side can be made more easily to scrape tablet 20 shrink, and then reduce the volume of this scraper drill bit, solve the mechanical paraffin removal device for striking off the wax material in tubing and casing of the prior art and be easily damaged or damage the problem of downhole tool.
Preferably, scraper drill bit also comprises: drive unit 30, and drive unit 30 is arranged in main rod body 10, and drive unit 30 and side are scraped tablet 20 and driven and be connected, and drive side scraper sheet 20 along the radial expansion of main rod body 10.The application can drive side scraper sheet 20 to stretch by arranging drive unit 30 more easily.
Preferably, scraper drill bit also comprises: transmission device 40, and transmission device 40 is arranged in main rod body 10, and drive unit 30 drives side scraper sheet 20 stretching motion by transmission device 40.The application, by arranging transmission device 40, can realize this side more easily and scrape the flexible of tablet 20.
Preferably, transmission device 40 comprises: one end being axially movably arranged in main rod body 10 along main rod body 10 of the first drive link 41, first drive link 41, and to scrape tablet 20 hinged the other end of the first drive link 41 and side; The side that is axially movably arranged on that tablet 20 is laterally scraped in one end of second drive link 42, second drive link 42 is scraped on tablet 20, and the other end of the second drive link 42 and main rod body 10 hinged; Wherein, drive unit 30 drives with the first drive link 41 and is connected, and drives the first drive link 41 moving axially along main rod body 10.
Preferably, the first drive link 41 and the second drive link 42 arranged in a crossed manner, and the first drive link 41 and the second drive link 42 hinged in both crosspoints.
Preferably, scraper drill bit comprises multiple side and scrapes tablet 20, and transmission device 40 comprises and multipairly scrapes tablet 20 first drive link 41 and the second drive link 42 one to one with side; Wherein, tablet 20 is scraped along main rod body 10 circumferentially in multiple side.
Preferably, transmission device 40 also comprises sliding sleeve 43, sliding sleeve 43 is axially movably arranged in main rod body 10 along main rod body 10, and one end of the close main rod body 10 of the first drive link 41 is arranged on to make the first drive link 41 be arranged in main rod body 10 by sliding sleeve 43 on sliding sleeve 43, drive unit 30 drives the first drive link 41 to move by sliding sleeve 43.
In this application, between the first drive link 41, second drive link 42 and sliding sleeve 43, form slider-crank mechanism, and then drive side to scrape the flexible of tablet 20.
Preferably, side is scraped the one end of scraping tablet 20 in close side tablet 20 is provided with along its axially extended chute 21, second drive link 42 and is arranged on movably in chute 21.
Preferably, drive unit 30 is fluid pressure drive device.
Preferably, the bottom of main rod body 10 is provided with bottom and scrapes tablet 50, and side is scraped tablet 20 and scraped tablet 50 around bottom and arrange.
In this application, box is arranged at the top of the main rod body 10 of this scraper drill bit, well workover pipe string can be connected, hydraulic control system (drive unit 30) can control sliding sleeve 43 and reciprocatingly slide in main rod body 10, the top of the first drive link 41 is connected by cutting with scissors to retrain with sliding sleeve 43, middle part is connected by cutting with scissors to retrain with the second drive link 42, bottom and side are scraped tablet 20 and are connected by cutting with scissors to retrain, side is scraped on tablet 20 and is had chute 21, can slide in the top of the second drive link 42 in chute 21, bottom is connected by cutting with scissors to retrain with main rod body 10, the bottom that tablet 50 is fixed on main rod body 10 is scraped in bottom, sliding sleeve 43 is driven to slide by hydraulic control system, and then make side scrape tablet 20 to open or closed.
Preferably, side is scraped the lower end of tablet 20 and bottom scraping tablet 50 and is taper.
Technical problem to be solved in the utility model is to provide a kind of scalable paraffin cutting drill bit, this drill bit can control paraffin scraper by hydraulic control system and stretches out or pack up, when removing paraffin cutting instrument or when not arriving wax deposition section or run into the internal diameter downhole tool more smaller than tubing and casing internal diameter, paraffin scraper can be packed up, arrive paraffin-troubled well Duan Shizai and open paraffin scraper, carry out the work of tubing and casing wax removal.
Design principle of the present utility model is as follows:
This device mainly make use of slider-crank mechanism, when removing paraffin cutting instrument or do not arrive wax deposition section or run into the internal diameter downhole tool more smaller than tubing and casing internal diameter, sliding sleeve is driven to move along mobile jib by hydraulic control system, when sliding sleeve moves up, because lower fulcrum bar is connected by twisting to retrain with mobile jib, upper rack posts and lower fulcrum bar can shrink to mobile jib, and then drive side paraffin scraper to regain, thus reduce the time removing paraffin cutting instrument, and do not accidentally injure downhole tool.
When hydraulic control system drives sliding sleeve to move down along mobile jib, upper rack posts and lower fulcrum bar can open, and drive side paraffin scraper to open, complete tubing and casing paraffin cutting task.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
The drill string draw-gear that the utility model provides can control paraffin scraper by hydraulic control system and stretches out or pack up, paraffin scraper can be packed up when tubing and casing inwall is provided with the underground equipment more smaller than tubing and casing internal diameter, carrying out operation by opening paraffin scraper after this device again, not accidentally injuring downhole tool when carrying out paraffin cutting operation; When undelivered wax deposition section, can paraffin scraper be packed up, arrive wax deposition Duan Shizai and open paraffin scraper, can significantly reduce the time removing paraffin cutting instrument, reduce workover cost, increase economic efficiency; This apparatus structure is simple, and practical, feasibility is good, can be competent at down-hole wax removal operation.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a scraper drill bit, is characterized in that, comprising:
Main rod body (10);
Tablet (20) is scraped in side, and described side is scraped tablet (20) and is arranged in described main rod body (10) along the radial telescopically of described main rod body (10).
2. scraper drill bit according to claim 1, is characterized in that, described scraper drill bit also comprises:
Drive unit (30), described drive unit (30) is arranged in described main rod body (10), and described drive unit (30) and described side are scraped tablet (20) and are driven and be connected, and drive described side to scrape the radial expansion of tablet (20) along described main rod body (10).
3. scraper drill bit according to claim 2, is characterized in that, described scraper drill bit also comprises:
Transmission device (40), described transmission device (40) is arranged in described main rod body (10), and described drive unit (30) drives described side to scrape tablet (20) stretching motion by described transmission device (40).
4. scraper drill bit according to claim 3, is characterized in that, described transmission device (40) comprising:
First drive link (41), one end being axially movably arranged in described main rod body (10) along described main rod body (10) of described first drive link (41), and to scrape tablet (20) hinged the other end of described first drive link (41) and described side;
Second drive link (42), tablet (20) is scraped in one end of described second drive link (42) the described side that is axially movably arranged on along described side is scraped on tablet (20), and the other end of described second drive link (42) and described main rod body (10) hinged;
Wherein, described drive unit (30) drives with described first drive link (41) and is connected, and drives described first drive link (41) moving axially along described main rod body (10).
5. scraper drill bit according to claim 4, it is characterized in that, described first drive link (41) and described second drive link (42) arranged in a crossed manner, and described first drive link (41) and described second drive link (42) hinged in both crosspoints.
6. scraper drill bit according to claim 4, it is characterized in that, described scraper drill bit comprises multiple described side and scrapes tablet (20), and described transmission device (40) comprises multipair and described side scrapes tablet (20) described first drive link (41) and described second drive link (42) one to one; Wherein, tablet (20) is scraped along described main rod body (10) circumferentially in described multiple side.
7. scraper drill bit according to claim 4, it is characterized in that, described transmission device (40) also comprises sliding sleeve (43), described sliding sleeve (43) is axially movably arranged in described main rod body (10) along described main rod body (10), and one end of the close described main rod body (10) of described first drive link (41) is arranged on described sliding sleeve (43) to make described first drive link (41) be arranged in described main rod body (10) by described sliding sleeve (43), described drive unit (30) drives described first drive link (41) mobile by described sliding sleeve (43).
8. scraper drill bit according to claim 4, it is characterized in that, described side is scraped on tablet (20) and is provided with along its axially extended chute (21), and one end that tablet (20) is scraped in the close described side of described second drive link (42) is arranged in described chute (21) movably.
9. scraper drill bit according to claim 2, is characterized in that, described drive unit (30) is fluid pressure drive device.
10. scraper drill bit according to claim 1, it is characterized in that, the bottom of described main rod body (10) is provided with bottom and scrapes tablet (50), and described side is scraped tablet (20) and scraped tablet (50) around described bottom and arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571174.3U CN204827377U (en) | 2015-07-31 | 2015-07-31 | Scrape material drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571174.3U CN204827377U (en) | 2015-07-31 | 2015-07-31 | Scrape material drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204827377U true CN204827377U (en) | 2015-12-02 |
Family
ID=54684988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520571174.3U Active CN204827377U (en) | 2015-07-31 | 2015-07-31 | Scrape material drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204827377U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091067A (en) * | 2017-07-07 | 2017-08-25 | 四川西普石油物资装备有限公司 | Petroleum drilling takes oil well de-waxing apparatus |
| CN107091068A (en) * | 2017-07-07 | 2017-08-25 | 四川西普石油物资装备有限公司 | Avoid the device of oil well Crude Oil channel narrows |
| CN107130941A (en) * | 2017-07-07 | 2017-09-05 | 四川西普石油物资装备有限公司 | Paraffin removal method for crude oil oil well |
| CN107201890A (en) * | 2017-07-07 | 2017-09-26 | 四川西普石油物资装备有限公司 | The method for striking off crude oil conduit wall wax layer |
| CN107905766A (en) * | 2018-01-03 | 2018-04-13 | 西南石油大学 | A kind of New Rotary casing scraper |
| CN112360372A (en) * | 2021-01-13 | 2021-02-12 | 东营政阳自动化科技有限公司 | Oil field well head greasy dirt cleaning treatment device |
| CN115405260A (en) * | 2022-09-29 | 2022-11-29 | 广东石油化工学院 | Wax removal tool based on coiled tubing and method thereof |
-
2015
- 2015-07-31 CN CN201520571174.3U patent/CN204827377U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091067A (en) * | 2017-07-07 | 2017-08-25 | 四川西普石油物资装备有限公司 | Petroleum drilling takes oil well de-waxing apparatus |
| CN107091068A (en) * | 2017-07-07 | 2017-08-25 | 四川西普石油物资装备有限公司 | Avoid the device of oil well Crude Oil channel narrows |
| CN107130941A (en) * | 2017-07-07 | 2017-09-05 | 四川西普石油物资装备有限公司 | Paraffin removal method for crude oil oil well |
| CN107201890A (en) * | 2017-07-07 | 2017-09-26 | 四川西普石油物资装备有限公司 | The method for striking off crude oil conduit wall wax layer |
| CN107905766A (en) * | 2018-01-03 | 2018-04-13 | 西南石油大学 | A kind of New Rotary casing scraper |
| CN112360372A (en) * | 2021-01-13 | 2021-02-12 | 东营政阳自动化科技有限公司 | Oil field well head greasy dirt cleaning treatment device |
| CN112360372B (en) * | 2021-01-13 | 2021-06-18 | 东营市逸腾石油科贸有限公司 | Oil field well head greasy dirt cleaning treatment device |
| CN115405260A (en) * | 2022-09-29 | 2022-11-29 | 广东石油化工学院 | Wax removal tool based on coiled tubing and method thereof |
| CN115405260B (en) * | 2022-09-29 | 2024-02-02 | 广东石油化工学院 | Paraffin removal tool based on coiled tubing and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |