CN112855031A - Hydraulic percussion drill bit with rolling teeth - Google Patents
Hydraulic percussion drill bit with rolling teeth Download PDFInfo
- Publication number
- CN112855031A CN112855031A CN202110224893.8A CN202110224893A CN112855031A CN 112855031 A CN112855031 A CN 112855031A CN 202110224893 A CN202110224893 A CN 202110224893A CN 112855031 A CN112855031 A CN 112855031A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- rolling teeth
- teeth
- rolling
- turntable
- 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.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 32
- 238000009527 percussion Methods 0.000 title claims abstract description 16
- 238000005553 drilling Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000036346 tooth eruption Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims description 9
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
-
- 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/006—Mechanical motion converting means, e.g. reduction gearings
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
A hydraulic percussion drill bit with rolling teeth comprises a rotary table track, a drill bit body, a spiral blade No. 1, a rotary table, a flow limiting disc, an impact hammer, a spring, a spiral blade No. 2, a straight rod, a hollow cavity, the rolling teeth, a chain, a connecting gear, a drill bit, a protrusion, a hollow conical gear, a sealing ring, a water hole, cutting teeth, a bearing, a pinion, a gearwheel and conical teeth. The rotary rolling teeth are rotated, so that heat and abrasion are reduced, the service life of a drill bit is prolonged, an impact tool is installed, and the drilling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of drilling engineering, in particular to a hydraulic percussion bit with rolling teeth.
Background
As oil and gas drilling is developed to the deep layer, the drillability of deep formation rock is poor, resulting in reduced rate of penetration, increased tool wear, and increased drilling costs. The drilling problem of the hard stratum is increasingly prominent, the high-efficiency rock breaking technology becomes the current research hotspot, and the quality of the rock breaking efficiency determines the final benefit of the drilling engineering. At present, the impact rotary drilling technology is one of effective methods for solving the problem of slow drilling speed of a hard formation, and an impact rotary drill bit is proved to be capable of improving the drilling efficiency in field tests without extra energy loss, so that the impact rotary drill bit gradually becomes an important tool for improving the speed of a deep well, but is easily influenced by the performance of drilling fluid, and the engagement of the edge part of a fixed cutter of the drill bit and the formation is influenced by mechanical and thermal effects, so that the abrasion and the peeling of cutting teeth are easily caused, and the service life of the drill bit is shortened.
Disclosure of Invention
In view of the above problems, the present invention provides a hydraulic percussion drill bit with rolling teeth, which is used to solve the problems of cutting tooth thermal wear aggravation, low drilling efficiency, high cost, etc. caused by the increase of drilling depth.
The technical scheme adopted by the invention for solving the technical problems is as follows: the hydraulic percussion drill bit comprises a rotary table track, a drill bit body, a spiral blade No. 1, a rotary table, a flow limiting disc, an impact hammer, a spring, a spiral blade No. 2, a straight rod, a hollow cavity, rolling teeth, a chain, a connecting gear, a drill bit, a protrusion, a hollow conical gear, a sealing ring, a water hole, cutting teeth, a bearing, a pinion, a gear wheel and conical teeth. A turntable rail is arranged in the inner cavity of the drill bit body, the turntable is embedded in the turntable rail, the upper end of the turntable is connected with a spiral blade No. 1, the lower end of the turntable is in contact with a current-limiting disc, and the outer wall of the current-limiting disc is provided with a bulge and is fixed on the turntable rail; the percussion hammer head is installed in the drill bit body inner chamber and is located the restrictor plate below, the percussion hammer afterbody passes the spring and stretches into in the cavity to wear out the drill bit, the cavity is installed inside the drill bit body and is located the drill bit top, the spring upper end links to each other with the percussion hammer head, the spring lower extreme links to each other with the cavity, cavity internally mounted helical blade No. 2, helical blade No. 2 passes through the straight-bar and connects sealing washer and toper tooth and stretch into inside the drill bit, the toper tooth is corresponding with the connecting gear, the connecting gear meets with the chain, the roll tooth is connected to the chain.
In the scheme, the drilling fluid channel is formed by the inner cavity of the drill bit body, the inner part of the hollow cavity and the water hole.
According to the scheme, the front end of the rolling teeth is provided with cutting teeth, the middle sections of the rolling teeth are provided with bearings, and the tail ends of the rolling teeth are provided with pinions; the front end of the connecting gear is provided with a conical tooth, and the tail end of the connecting gear is provided with a large gear.
Above-mentioned scheme rotating vane 2 number evenly sets up along the cavity circumference.
The chain is connected with all rolling teeth in the same direction.
Compared with the prior art, the invention has the following beneficial effects: 1. the invention makes the impact hammer generate good up-and-down motion through the interaction of impact, gravity and elasticity, and the acceleration effect is obvious.
2. The invention drives the helical blade by water power, provides power for the device, saves energy and reduces drilling cost.
3. The rolling cutter ensures that the part of the edge of the cutter, which is contacted with the stratum, is continuously refreshed so as to keep the sharpness for a longer time, thereby improving the durability.
4. The invention has simple structure and low cost, and is easy to be popularized and used in the oil field.
Description of the drawings: fig. 1 is an overall sectional view schematically showing the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic sectional view of a disk of the present invention.
Fig. 4 is a schematic view of the structure of the spiral blade 2 and the spring of the present invention.
Fig. 5 is an overall partial cross-sectional schematic view of the present invention.
FIG. 6 is a schematic view of the rotating blade No. 2 and straight rod of the present invention.
Fig. 7 is a schematic view of the rolling teeth structure of the present invention.
Fig. 8 is a schematic view of the connecting gear structure of the present invention.
In the figure: 1. a turntable track; 2. a bit body; 3. helical blade number 1; 4. a turntable; 5. a flow limiting disc; 6. an impact hammer; 7. a spring; 8. helical blade number 2; 9. a straight rod; 10. a hollow cavity; 11. rolling teeth; 12. a chain; 13. a connecting gear; 14. a drill bit; 15. a protrusion; 16. a hollow bevel gear; 17. seal ring 18. water hole; 19. cutting teeth; 20. a bearing; 21. a pinion gear; 22. a bull gear; 23. a conical tooth.
Detailed Description
The invention is further described below with reference to the accompanying drawings: referring to fig. 1 to 8, a hydraulic impact drill bit with rolling teeth, comprising: the hydraulic percussion drill bit comprises a rotary table track 1, a drill bit body 2, spiral blades No. 1 and No. 3, a rotary table 4, a flow limiting disc 5, a percussion hammer 6, a spring 7, spiral blades No. 2 and No. 8, straight rods 9, a hollow cavity 10, rolling teeth 11, a chain 12, a connecting gear 13, a drill bit 14, a protrusion 15, a hollow conical gear 16, a sealing ring 17, a water hole 18, cutting teeth 19, a bearing 20, a pinion 21, a large gear 22 and conical teeth 23, wherein the inner cavity of the drill bit body 2 is provided with the rotary table track, the rotary table 4 is embedded in the rotary table track 1, the upper end of the rotary table 4 is connected with the spiral blades No. 1 and No. 3, the lower end of the rotary table 4 is in contact with the flow limiting disc 5, the outer wall of the flow limiting disc 5 is provided with the protrusion and fixed on the rotary; the head of the impact hammer 6 is arranged in an inner cavity of the bit body 2 and is positioned below the flow limiting disc 5, the tail of the impact hammer 6 penetrates through the spring 7 and extends into the hollow cavity 10, and penetrates out of the drill bit 14 to be contacted with the stratum, the hollow cavity 10 is arranged in the bit body 2 and is positioned above the drill bit 14, the upper end of the spring 7 is connected with the head of the impact hammer 6, the lower end of the spring 7 is connected with the hollow cavity 10, the number 2 of helical blades 8 are arranged in the hollow cavity 10, the number 2 of helical blades 8 are connected with the sealing ring 16 and the conical teeth 22 through the straight rod 9 and extend into the drill bit 14, the sealing ring 16 prevents drilling fluid from entering the drill bit 14, the conical teeth 22 correspond to the connecting gears 13, the connecting.
In the embodiment, the inner cavity of the bit body 2, the inner part of the hollow cavity 10 and the water hole 17 form a drilling fluid channel; the front end of the rolling teeth 11 is provided with cutting teeth, the middle section of the rolling teeth 11 is provided with a bearing 19, and the tail end of the rolling teeth 11 is provided with a pinion 20; the front end of the connecting gear 13 is provided with a conical tooth 22, and the tail end of the connecting gear 13 is provided with a large gear 21; the rotary blades No. 2 and No. 8 are uniformly arranged along the circumferential direction of the hollow cavity 10; the chain 12 connects all the rolling teeth 11 in the same direction.
During operation, when drilling fluid flows from top to bottom, firstly, the rotary blades 1 and 3 are driven to rotate, the rotary table 4 is connected with the rotary blades 1 and 3 to rotate in the rotary table guide rail 1, the flow limiting disc 5 is fixed on the rotary table guide rail, so a certain space difference is formed between the rotary table 4 and the flow limiting disc 5 when the rotary table 4 rotates, the drilling fluid forms a hydraulic column after flowing through the flow limiting disc 5, the hydraulic column impacts the impact hammer 6, the impact hammer 6 accelerates to move downwards under the action of water hammer and gravity, the impact hammer 6 is separated from the inner wall of the drill bit body 2 after moving downwards to a certain degree, the drilling fluid flows out, the impact hammer 6 moves upwards under the action of a spring, and therefore the impact hammer 6 can form up. Drilling fluid can flow into inside the cavity 10 behind the 2 inner walls of bit body, later drives rotating blade 2 # 8 rotatory, and rotating blade 2 # 8 drives hollow bevel gear 16 through the below straight-bar and rotates, and connecting gear 13 and hollow bevel gear 16 synchronous revolution can make the rolling teeth 11 carry out synchronous roll when chain 12 drives through connecting gear.
Claims (5)
1. A hydraulic percussive drill bit having rolling teeth, characterized by: the hydraulic percussion drill bit comprises a rotary table track (1), a drill bit body (2), a spiral blade No. 1 (3), a rotary table (4), a current-limiting disc (5), an impact hammer (6), a spring (7), a spiral blade No. 2 (8), a straight rod (9), a hollow cavity (10), rolling teeth (11), a chain (12), a connecting gear (13), a drill bit (14), a protrusion (15), a hollow conical gear (16), a sealing ring (17), a water hole (18), cutting teeth (19), a bearing (20), a pinion (21), a gear wheel (22) and conical teeth (23); a turntable rail is arranged in the inner cavity of the drill bit body (2), the turntable (4) is embedded in the turntable rail (1), the upper end of the turntable (4) is connected with the number 1 (3) of the helical blade, the lower end of the turntable (4) is contacted with the flow limiting disc (5), and the outer wall of the flow limiting disc (5) is provided with a bulge and is fixed on the turntable rail (1); the head of the impact hammer (6) is arranged in an inner cavity of the drill body (2) and is positioned below the flow limiting disc (5), the tail of the impact hammer (6) penetrates through the spring (7) to extend into the hollow cavity (10) and penetrate out of the drill bit (14), the hollow cavity (10) is arranged inside the drill body (2) and is positioned above the drill bit (14), the upper end of the spring (7) is connected with the head of the impact hammer (6), the lower end of the spring (7) is connected with the hollow cavity (10), the spiral blade No. 2 (8) is arranged inside the hollow cavity (10), the spiral blade No. 2 (8) is connected with the sealing ring (16) and the conical tooth (22) through the straight rod (9) and extends into the drill bit (14), the conical tooth (22) corresponds to the connecting gear (13), the connecting gear (13) is connected with the chain (12), and the chain (12) is connected with the.
2. A hydraulic percussion drill bit with rolling teeth according to claim 1, wherein: and a drilling fluid channel is formed by the inner cavity of the bit body (2), the inner part of the hollow cavity (10) and the water hole (17).
3. A hydraulic percussion drill bit with rolling teeth according to claim 1, wherein: cutting teeth are arranged at the front ends of the rolling teeth (11), a bearing (19) is arranged at the middle section of the rolling teeth (11), and a pinion (20) is arranged at the tail end of the rolling teeth (11); the front end of the connecting gear (13) is provided with a conical tooth (22), and the tail end of the connecting gear (13) is provided with a large gear (21).
4. A hydraulic percussion drill bit with rolling teeth according to claim 1, wherein: rotating vane 2 No. (8) along cavity (10) circumference evenly set up.
5. A hydraulic percussion drill bit with rolling teeth according to claim 1, wherein: the chain (12) is connected with all the rolling teeth (11) in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110224893.8A CN112855031B (en) | 2021-03-01 | 2021-03-01 | Hydraulic percussion drill bit with rolling teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110224893.8A CN112855031B (en) | 2021-03-01 | 2021-03-01 | Hydraulic percussion drill bit with rolling teeth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112855031A true CN112855031A (en) | 2021-05-28 |
| CN112855031B CN112855031B (en) | 2023-11-28 |
Family
ID=75990717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110224893.8A Active CN112855031B (en) | 2021-03-01 | 2021-03-01 | Hydraulic percussion drill bit with rolling teeth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112855031B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187405A (en) * | 2021-06-02 | 2021-07-30 | 辽宁石油化工大学 | Hydraulic drive multidimensional plasma combined drill bit and drilling method thereof |
| CN114753768A (en) * | 2022-06-15 | 2022-07-15 | 山东金锐石油装备有限公司 | Hammering type milling drill bit for petroleum drilling |
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| CN111236848A (en) * | 2020-01-17 | 2020-06-05 | 西南石油大学 | Controllable electromagnetic drive type impact-scraping composite drill bit and method |
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| CN111794685A (en) * | 2020-07-15 | 2020-10-20 | 宜昌神达科技有限公司 | Impact PDC drill bit |
| CN111852342A (en) * | 2020-08-24 | 2020-10-30 | 刘伟 | PDC drill bit with rotatable cutting teeth |
| CN111877994A (en) * | 2020-08-24 | 2020-11-03 | 刘伟 | PDC drill bit with axially-impacted cutting teeth |
| CN212479076U (en) * | 2020-07-31 | 2021-02-05 | 中石化石油工程技术服务有限公司 | Torsion impactor |
-
2021
- 2021-03-01 CN CN202110224893.8A patent/CN112855031B/en active Active
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| US20050161237A1 (en) * | 2002-04-04 | 2005-07-28 | Gedalyahu Manor | Method of cleaning hole diggers and spot cultivators and hole digger cleaning device |
| JP2005127021A (en) * | 2003-10-24 | 2005-05-19 | Nippon Chiko Co Ltd | Diameter widening excavating tool |
| CN103244052A (en) * | 2013-05-15 | 2013-08-14 | 西南石油大学 | Hydraulic hammer rod type impact drilling tool |
| CN203488103U (en) * | 2013-09-03 | 2014-03-19 | 北京市三一重机有限公司 | Rotary drilling tool and rotary drilling machine provided with same |
| CN205025361U (en) * | 2015-10-06 | 2016-02-10 | 中交第四公路工程局有限公司 | Anti - rotary drilling machine's that circulates of major diameter four impeller tooth drill bits |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187405A (en) * | 2021-06-02 | 2021-07-30 | 辽宁石油化工大学 | Hydraulic drive multidimensional plasma combined drill bit and drilling method thereof |
| CN113187405B (en) * | 2021-06-02 | 2023-08-18 | 辽宁石油化工大学 | Hydraulic drive multi-dimensional plasma combined drill bit and drilling method thereof |
| CN114753768A (en) * | 2022-06-15 | 2022-07-15 | 山东金锐石油装备有限公司 | Hammering type milling drill bit for petroleum drilling |
| CN114753768B (en) * | 2022-06-15 | 2022-08-12 | 山东金锐石油装备有限公司 | Hammering type milling drill bit for petroleum drilling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112855031B (en) | 2023-11-28 |
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