CN221119836U - Roller bit beneficial to slag discharge - Google Patents
Roller bit beneficial to slag discharge Download PDFInfo
- Publication number
- CN221119836U CN221119836U CN202323281389.5U CN202323281389U CN221119836U CN 221119836 U CN221119836 U CN 221119836U CN 202323281389 U CN202323281389 U CN 202323281389U CN 221119836 U CN221119836 U CN 221119836U
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- China
- Prior art keywords
- connector
- bit
- annular groove
- annular
- hole
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- 239000002893 slag Substances 0.000 title claims abstract description 21
- 230000009286 beneficial effect Effects 0.000 title abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000013049 sediment Substances 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 2
- 239000011707 mineral Substances 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 9
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to a roller bit beneficial to slag discharge, which belongs to the technical field of mineral exploitation equipment and comprises a connector, wherein three tooth legs are fixedly arranged at the lower end of the connector, a roller is rotatably arranged on the inner side of each tooth leg, a blind hole is formed in the connector, a boss is arranged at the lower part of the connector, a conical part is arranged at the lower part of the boss, the three tooth legs are fixedly arranged at the lower end of the boss, an annular groove is formed in the conical part, an annular pipe is arranged in the annular groove, a blind hole is formed in the connector, three water passing holes are formed in the connector, the water passing holes are communicated with the blind hole and the annular groove, a hole communicated with the annular groove is formed in the inner side of the annular pipe, three spray pipes are communicated with the lower end of the annular pipe, and a plurality of spray heads are arranged on the spray pipes. The utility model greatly improves the drilling efficiency and is also beneficial to prolonging the service life of the cone.
Description
Technical Field
The utility model relates to a roller bit beneficial to slag discharge, belonging to the technical field of mineral exploitation equipment.
Background
Tricone bit is an important tool for petroleum drilling, and the quality of the working performance of tricone bit directly influences the drilling quality, the drilling efficiency and the drilling cost. The design of the tricone bit is mostly based on practical experience, and the design and calculation are repeatedly carried out by combining trial and error methods, so that the design accuracy is low, the period is long, the design quality is difficult to improve, and only one bit can be designed for each calculation, so that the efficiency is low.
In the past, tricone bit constantly produces the slag in the well drilling when well drilling operation, if the slag can't in time, thoroughly be cleared up, can influence the efficiency of drill bit drilling operation, still can influence the adaptation life-span of cone. At present, the slag in the cleaning drill hole is backwashed and cleaned out mainly through water injection into the hole, and the water injection is usually from top to bottom through type, so that the residual slag on the inner wall of the drill hole is difficult to clean out.
Disclosure of utility model
The utility model aims to provide a roller bit beneficial to slag discharge, aiming at the technical problem that the residual slag on the inner wall of a drilled hole is difficult to clean.
The utility model is realized by the following technical scheme:
Namely, a tricone bit with telescopic cone comprises a connector, wherein three bit legs are fixedly arranged at the lower end of the connector, the cone is rotatably arranged on the inner side of the bit legs, blind holes are formed in the connector, a protruding portion is arranged at the lower portion of the connector, a conical portion is arranged at the lower portion of the protruding portion, the three bit legs are fixedly arranged at the lower end of the protruding portion, an annular groove is formed in the conical portion, an annular pipe is arranged in the annular groove, blind holes are formed in the connector, three water passing holes are formed in the connector, the water passing holes are communicated with the annular groove, holes communicated with the annular groove are formed in the inner side of the annular pipe, three spray pipes are communicated with the lower end of the annular pipe, and a plurality of spray heads are arranged on the spray pipes.
The cleaning water is injected from the blind hole, the cleaning water enters the annular pipe through the water passing hole, and then is sprayed to the inner wall of the drill hole through the spray pipe by the spray nozzle, so that the residual slag on the inner wall is cleaned, and then a large amount of water is injected into the drill hole, so that the slag is backwashed, the drilling efficiency is greatly improved, and the service life of the roller cone is prolonged.
The utility model further improves that the outer side surface of the bit leg is provided with a strip-shaped groove, and the spray pipe is arranged in the strip-shaped groove. The spray pipe is arranged in the strip-shaped groove, so that the spray pipe is prevented from protruding out of the outer side face of the bit leg, and the spray pipe is protected.
According to the utility model, the conical part is provided with external threads, and the external threads of the conical part are provided with the sheath which is arranged through threads, so that the protection effect on the annular pipe is achieved.
The utility model further improves that the hexagonal convex edge is fixedly arranged at the upper part of the sheath, so that the sheath can be conveniently disassembled and assembled by using a tool.
Compared with the prior art, the utility model has the following beneficial effects:
The cleaning water is injected from the blind hole, the cleaning water enters the annular pipe through the water passing hole, and then is sprayed to the inner wall of the drill hole through the spray pipe by the spray nozzle, so that the residual slag on the inner wall is cleaned, and then a large amount of water is injected into the drill hole, so that the slag is backwashed, the drilling efficiency is greatly improved, and the service life of the roller cone is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is a schematic structural view of an embodiment of the present utility model (hidden jacket).
Fig. 3 is a schematic view of the structure of an embodiment of the present utility model (hidden jacket, annular tube).
Fig. 4 is a schematic cross-sectional structure of A-A in fig. 3.
Fig. 5 is a schematic structural view of an annular pipe and a spray pipe according to an embodiment of the present utility model.
Fig. 6 is a schematic side view of the structure of fig. 3.
In the figure: 1. a connector; 2. leg portions; 3. a roller cone; 4. a tapered portion; 5. an annular groove; 6. a sheath; 7. a hexagonal convex edge; 8. an annular tube; 9. a water passing hole; 10. a blind hole; 11. a spray pipe; 12. a spray head; 13. a strip-shaped groove; 14. a boss.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings.
The utility model provides a scalable tricone bit of cone, as shown in fig. 1 through 6, including connector 1, connector 1 lower extreme is fixed and is equipped with three bit leg 2, bit leg 2 inboard rotates installs cone 3, the blind hole 10 has been seted up to connector 1 inside, connector 1 lower part is equipped with bellying 14, bellying 14 lower part is equipped with toper portion 4, three bit leg 2 is fixed to be set up in bellying 14 lower extreme, annular groove 5 has been seted up on the toper portion 4, install annular pipe 8 in the annular groove 5, blind hole 10 has been seted up in the connector 1, three water hole 9 has been seted up in the connector 1, water hole 9 intercommunication blind hole 10 and annular groove 5, annular pipe 8 inboard is equipped with the hole that is linked together with annular groove 5, annular pipe 8 lower extreme intercommunication has three spray tube 11, be equipped with a plurality of shower nozzle 12 on the spray tube 11.
The cleaning water is injected from the blind hole 10, the cleaning water enters the annular pipe 8 through the water passing hole 9, and then is sprayed to the inner wall of the drill hole through the spray pipe 11 by the spray head 12, so that the residual slag on the inner wall is cleaned, and then a large amount of water is injected into the drill hole, so that the slag is backwashed, the drilling efficiency is greatly improved, and the service life of the roller cone 3 is prolonged.
Wherein, the outer side surface of the bit leg 2 is provided with a strip-shaped groove 13, and the spray pipe 11 is arranged in the strip-shaped groove 13. The spray pipe 11 is arranged in the strip-shaped groove 13, so that the spray pipe 11 is prevented from protruding out of the outer side face of the bit leg 2, and the spray pipe 11 is protected.
Wherein, be equipped with the external screw thread on toper portion 4, be equipped with on the external screw thread of toper portion 4 and install sheath 6 through the screw thread, sheath 6 upper portion is fixed to be equipped with hexagon chimb 7, plays the guard action to annular pipe 8, and convenient to use instrument dismouting sheath 6.
Working principle:
The cleaning water is injected from the blind hole 10, the cleaning water enters the annular pipe 8 through the water passing hole 9, and then is sprayed to the inner wall of the drill hole through the spray pipe 11 by the spray head 12, so that the residual slag on the inner wall is cleaned, and then a large amount of water is injected into the drill hole, so that the slag is backwashed, the drilling efficiency is greatly improved, and the service life of the roller cone 3 is prolonged.
In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments are only required to be referred to each other.
The terms "upper", "lower", "outside", "inside", and the like in the description and in the claims of the present utility model and in the above drawings, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The utility model provides a do benefit to roller bit of arranging sediment, including connector (1), connector (1) lower extreme is fixed and is equipped with three bit leg (2), bit leg (2) inboard rotates installs cone (3), a serial communication port, blind hole (10) have been seted up to connector (1) inside, connector (1) lower part is equipped with bellying (14), bellying (14) lower part is equipped with toper portion (4), three bit leg (2) are fixed to be set up in bellying (14) lower extreme, annular groove (5) have been seted up on toper portion (4), install annular pipe (8) in annular groove (5), blind hole (10) have been seted up in connector (1), three water hole (9) have been seted up in connector (1), water hole (9) intercommunication blind hole (10) and annular groove (5), annular pipe (8) inboard be equipped with the hole that is linked together with annular groove (5), annular pipe (8) lower extreme intercommunication has three spray tube (11), be equipped with a plurality of shower nozzle (12) on spray tube (11).
2. The roller bit facilitating slag discharge according to claim 1, wherein the outer side face of the bit leg (2) is provided with a strip-shaped groove (13), and the spray pipe (11) is arranged in the strip-shaped groove (13).
3. The roller bit for facilitating slag discharge according to claim 1, wherein the conical portion (4) is provided with external threads, and the external threads of the conical portion (4) are provided with a sheath (6) which is installed through threads.
4. A roller bit for facilitating slag discharge according to claim 3, wherein the hexagonal convex edge (7) is fixedly arranged at the upper part of the sheath (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323281389.5U CN221119836U (en) | 2023-12-04 | 2023-12-04 | Roller bit beneficial to slag discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323281389.5U CN221119836U (en) | 2023-12-04 | 2023-12-04 | Roller bit beneficial to slag discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221119836U true CN221119836U (en) | 2024-06-11 |
Family
ID=91343759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323281389.5U Active CN221119836U (en) | 2023-12-04 | 2023-12-04 | Roller bit beneficial to slag discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221119836U (en) |
-
2023
- 2023-12-04 CN CN202323281389.5U patent/CN221119836U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |