CN221074107U - Reaming device for petroleum drilling - Google Patents
Reaming device for petroleum drilling Download PDFInfo
- Publication number
- CN221074107U CN221074107U CN202323319449.8U CN202323319449U CN221074107U CN 221074107 U CN221074107 U CN 221074107U CN 202323319449 U CN202323319449 U CN 202323319449U CN 221074107 U CN221074107 U CN 221074107U
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- China
- Prior art keywords
- reaming
- petroleum drilling
- drilling
- screw rod
- end surface
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- 238000005553 drilling Methods 0.000 title claims abstract description 32
- 239000003208 petroleum Substances 0.000 title claims abstract description 16
- 238000007790 scraping Methods 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 2
- 239000002343 natural gas well Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to the technical field of petroleum drilling, in particular to a reaming device for petroleum drilling. The petroleum drilling reaming device comprises a reaming conical table and a plurality of inclined reaming scrapers arranged on the reaming conical table, wherein the inclined reaming scrapers are respectively inserted into inclined through cavities formed in the reaming conical table and distributed in an annular mode; according to the petroleum drilling reaming device, the inclined reaming scraping plates are continuously and externally adjusted, so that the polishing distance of the inclined reaming scraping plates can be adjusted, reaming operation can be continuously performed on a well wall, on one hand, different drilling size requirements are met, on the other hand, reaming apertures can be continuously adjusted for multiple times, stability of the well wall is improved, and the risk of collapse of the well wall is reduced.
Description
Technical Field
The utility model relates to the technical field of petroleum drilling, in particular to a reaming device for petroleum drilling.
Background
With the continuous development of oil and gas resources, people need to drill a channel between an oil and gas layer on the ground and underground, and in order to perform well drilling, a reaming device is needed to perform reaming operation while drilling, the reaming device is a tool for reaming while drilling oil drilling, is different from a reaming bit arranged at the lower part of a drill string, is arranged in the middle part of the drill string, has a diameter larger than that of the drill bit, and when the lower bit drills, the reaming device performs reaming and well wall finishing simultaneously; however, the existing reaming device has poor reaming performance and can only achieve the effect of one reaming, and if one reaming is too large for some hard and brittle formations, the risk of borehole wall collapse can be caused.
Accordingly, there is a need for a new oil drilling reaming apparatus that addresses the above-identified problems.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a reaming device for petroleum drilling.
The utility model provides an oil drilling reaming device, which comprises:
reaming cone table, and
The inclined reaming scrapers are respectively inserted into inclined through cavities formed in the reaming conical table and are distributed in an annular mode;
The device comprises a reaming conical table, wherein an adjusting component for adjusting the displacement of an inclined reaming scraper to slide out of the reaming conical table is arranged in the reaming conical table, the adjusting component comprises a screw rod, the screw rod is rotatably arranged in the reaming conical table, a driving motor for driving the screw rod to rotate is arranged in the reaming conical table, a round table in threaded connection is sleeved on the screw rod, and a plurality of inclined inserting grooves in annular distribution are formed in the round table;
The side of the inclined plate surface of the rear end surface of the inclined reaming scraper is inserted into an inclined inserting groove formed in the round table.
Preferably, the front end face of the inclined reaming scraper is provided with a cutting edge face, and the cutting edge face is parallel to the rear end face of the inclined reaming scraper.
Preferably, the oblique insertion groove formed in the round table is the same as the oblique angle of the rear plate surface of the oblique reaming scraper.
Preferably, baffle plates are fixedly arranged on two side plate walls of the inclined reaming scraping plate, which are close to the rear end surface, and a plurality of springs with the same elastic coefficient are arranged between the baffle plates and the reaming conical table.
Preferably, one end of the spring is fixedly connected with the front end face of the baffle plate, and the other end of the spring is fixedly connected with the inner ring wall of the reaming cone.
Preferably, a plurality of limit rods are fixedly installed in the reaming conical table, and the limit rods respectively penetrate through holes formed in the round table.
Preferably, both the reaming conical table and the internally arranged round table are conical heads downwards.
Preferably, the top and the bottom of the reaming conical table are respectively and fixedly provided with an upper connector and a lower connector which are coaxially arranged.
Compared with the related art, the petroleum drilling reaming device provided by the utility model has the following beneficial effects:
According to the utility model, through continuously and externally sliding adjustment of the inclined reaming scraper, the polishing distance of the inclined reaming scraper can be adjusted, reaming operation can be continuously carried out on a well wall, on one hand, different drilling size requirements are met, and on the other hand, the reaming aperture can be continuously adjusted for a plurality of times to improve the stability of the well wall and reduce the risk of collapse of the well wall.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of an oil drilling reamer apparatus of the present utility model;
FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1;
FIG. 3 is a schematic view of the interior of the reaming cone frustum of FIG. 1;
FIG. 4 is a second schematic view of the interior of the reaming cone frustum shown in FIG. 1.
Reference numerals in the drawings: 1. reaming a conical table; 1a, oblique through cavity; 2. obliquely manufacturing a reaming scraping plate; 21. a facet; 22. a baffle; 23. a spring; 3. an adjustment assembly; 31. a screw rod; 32. a driving motor; 33. round bench; 33a, oblique insertion grooves; 34. a limit rod; 4. an upper connector; 5. and a lower connector.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 4, an embodiment of the present utility model provides an oil drilling reamer apparatus, which includes: a reaming cone-shaped platform 1 and an inclined reaming scraper 2.
In the embodiment of the present utility model, referring to fig. 1 and 4, an upper connector 4 and a lower connector 5 which are coaxially arranged are fixedly installed at the top and the bottom of the reaming cone-shaped platform 1 respectively, a plurality of inclined reaming scrapers 2 which are annularly distributed are arranged on the reaming cone-shaped platform 1, and a plurality of inclined reaming scrapers 2 are respectively inserted into inclined through cavities 1a formed in the reaming cone-shaped platform 1;
The device is characterized in that an adjusting component 3 for adjusting the displacement of the inclined reaming scraping plate 2 sliding out of the reaming frustum 1 is arranged in the reaming frustum 1, the adjusting component 3 comprises a screw rod 31, the screw rod 31 is rotatably arranged in the reaming frustum 1, a driving motor 32 for driving the screw rod 31 to rotate is arranged in the reaming frustum 1, a round table 33 in threaded connection is sleeved on the screw rod 31, a plurality of inclined inserting grooves 33a distributed annularly are formed in the round table 33, the inclined plate surface side of the rear end face of the inclined reaming scraping plate 2 is inserted into the inclined inserting grooves 33a formed in the round table 33, and the reaming frustum 1 and the round table 33 arranged in the inside are downward in taper.
It should be noted that: the upper connector 4 is connected with a connecting rod of punching equipment, the lower connector 5 is connected with a drill bit, when the petroleum and natural gas well wall is reamed, the drill bit is used for drilling, and then the reaming conical table 1 is used for reaming the well wall;
When the well wall is widened to the width of the reaming taper table 1, the driving motor 32 is started to drive the screw rod 31 to rotate so that the round table 33 slides downwards along the screw rod 31 for a certain distance, and the conical heads of the round table 33 downwards are in an upper-wide-lower-narrow structure, so that the round table 33 downwards slides and then drives each inclined reaming scraper 2 outwards, so that the inclined reaming scraper 2 slides outwards for a section from the outer sliding part of the inclined through cavity 1a, the cutting face 21 of the inclined reaming scraper 2 is driven to further reaming the well wall along with the rotation of the reaming taper table 1, the operation can be repeated later, the inclined reaming scraper 2 continuously slides outwards for a bit, and the reaming operation can be performed on the well wall by continuously adjusting the polishing interval of the inclined reaming scraper 2, so that on one hand, the different drilling size requirements are met, on the other hand, the reaming aperture can be continuously adjusted for a plurality of times so as to improve the stability of the well wall and reduce the risk of the well wall;
Wherein, a plurality of limit rods 34 are fixedly arranged in the reaming conical table 1, and the limit rods 34 respectively penetrate through holes formed in the round table 33, so that the stability of the round table 33 is improved;
The front end surface of the inclined reaming scraper 2 is provided with a cutting edge surface 21, the cutting edge surface 21 is parallel to the rear end surface of the inclined reaming scraper 2, and the inclined inserting groove 33a formed in the round table 33 is the same as the inclined angle of the rear plate surface of the inclined reaming scraper 2.
In the embodiment of the present utility model, referring to fig. 3 and 4, the baffle plate 22 is fixedly installed on two side plate walls of the inclined reaming scraper 2 near the rear end surface, a plurality of springs 23 with the same elastic coefficient are arranged between the baffle plate 22 and the reaming cone table 1, one end of each spring 23 is fixedly connected with the front end surface of the baffle plate 22, and the other end of each spring 23 is fixedly connected with the inner ring wall of the reaming cone table 1.
It should be noted that: the spring 23 prevents the inclined reamer blade 2 from sliding out of the inclined through cavity 1a under the action of centrifugal force, so that the stability of the inclined reamer blade 2 is improved.
The working principle of the petroleum drilling reaming device provided by the utility model is as follows:
The upper connector 4 is connected with a connecting rod of punching equipment, the lower connector 5 is connected with a drill bit, when the petroleum and natural gas well wall is reamed, the drill bit is used for drilling, and then the reaming conical table 1 is used for reaming the well wall;
When the well wall is widened to the width of the reaming taper table 1, the driving motor 32 is started to drive the screw rod 31 to rotate so that the round table 33 slides downwards along the screw rod 31 for a certain distance, and as the conical head of the round table 33 slides downwards, the round table 33 is in an upper-wide-lower-narrow structure, so that each inclined reaming scraper 2 is driven to slide outwards after sliding downwards, the inclined reaming scraper 2 slides outwards for a section from the outer sliding position of the inclined reaming cavity 1a, the cutting face 21 of the inclined reaming scraper 2 is driven to further reaming operation on the well wall along with the rotation of the reaming taper table 1, the operation can be repeated later, so that the inclined reaming scraper 2 continuously slides outwards at a point, and reaming operation can be performed on the well wall by continuously adjusting the polishing interval of the inclined reaming scraper 2.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. An oil drilling reaming device, comprising:
Reaming cone (1), and
The plurality of inclined reaming scrapers (2) are arranged on the reaming conical table (1), and the plurality of inclined reaming scrapers (2) are respectively inserted into inclined through cavities (1 a) formed in the reaming conical table (1) and distributed in an annular mode;
An adjusting component (3) for adjusting the displacement of the inclined reaming scraping plate (2) to slide out of the reaming tapered platform (1) is arranged in the reaming tapered platform (1), the adjusting component (3) comprises a screw rod (31), the screw rod (31) is rotatably arranged in the reaming tapered platform (1), a driving motor (32) for driving the screw rod (31) to rotate is arranged in the reaming tapered platform (1), a round platform (33) in threaded connection is sleeved on the screw rod (31), and a plurality of inclined inserting grooves (33 a) which are annularly distributed are formed in the round platform (33);
the inclined plate surface side of the rear end surface of the inclined reaming scraper (2) is inserted into an inclined inserting groove (33 a) formed in the round table (33).
2. The oil drilling reamer apparatus according to claim 1, wherein a front end surface of the inclined reamer blade (2) is provided with a blade surface (21), and the blade surface (21) is disposed in parallel with a rear end surface of the inclined reamer blade (2).
3. The petroleum drilling reaming device according to claim 2, characterized in that the oblique insertion groove (33 a) formed on the round table (33) is the same angle as the rear plate surface of the oblique reaming scraper (2).
4. The petroleum drilling reaming device according to claim 1, wherein baffle plates (22) are fixedly arranged on two side plate walls of the inclined reaming scraping plate (2) close to the rear end surface, and a plurality of springs (23) with the same elastic coefficient are arranged between the baffle plates (22) and the reaming frustum (1).
5. The petroleum drilling reaming device according to claim 4, characterized in that one end of the spring (23) is fixedly connected with the front end surface of the baffle plate (22), and the other end of the spring (23) is fixedly connected with the inner ring wall of the reaming frustum (1).
6. The petroleum drilling reaming device according to claim 1, characterized in that a plurality of limiting rods (34) are fixedly installed in the reaming conical table (1), and the limiting rods (34) respectively penetrate through holes formed in the round table (33).
7. The oil drilling reaming device of claim 1, wherein the reaming frustum (1) and the internal frustum (33) are tapered downwards.
8. The petroleum drilling reaming device according to claim 1, characterized in that the top and the bottom of the reaming cone table (1) are respectively and fixedly provided with an upper connector (4) and a lower connector (5) which are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323319449.8U CN221074107U (en) | 2023-12-06 | 2023-12-06 | Reaming device for petroleum drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323319449.8U CN221074107U (en) | 2023-12-06 | 2023-12-06 | Reaming device for petroleum drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221074107U true CN221074107U (en) | 2024-06-04 |
Family
ID=91262011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323319449.8U Active CN221074107U (en) | 2023-12-06 | 2023-12-06 | Reaming device for petroleum drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221074107U (en) |
-
2023
- 2023-12-06 CN CN202323319449.8U patent/CN221074107U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |