CN112049576A - Three-channel drill bit - Google Patents
Three-channel drill bit Download PDFInfo
- Publication number
- CN112049576A CN112049576A CN202011127966.3A CN202011127966A CN112049576A CN 112049576 A CN112049576 A CN 112049576A CN 202011127966 A CN202011127966 A CN 202011127966A CN 112049576 A CN112049576 A CN 112049576A
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- channel
- drill bit
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- circular
- outlets
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- 230000036346 tooth eruption Effects 0.000 claims abstract description 9
- 239000011435 rock Substances 0.000 abstract description 22
- 238000005553 drilling Methods 0.000 abstract description 21
- 238000005516 engineering process Methods 0.000 abstract description 13
- 230000018109 developmental process Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail 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
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- 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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
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- 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
The invention discloses a three-channel drill bit which mainly comprises a drill bit body, a channel A, a channel B, a channel C, blades, cutting teeth and a circular truncated cone, wherein the blades are uniformly arranged on the periphery of the drill bit body, the cutting teeth are arranged on the blades and the circular truncated cone, the circular truncated cone is arranged in the center of a tooth part of the drill bit body, the channel A, the channel B and the channel C are arranged in the drill bit body and are mutually separated, the channel A is provided with 1 rectangular inlet and 2 rectangular outlets, the channel B is provided with 1 circular inlet and 2 circular outlets, the channel C is provided with 1 circular inlet and 2 circular outlets, the rectangular outlets or the circular outlets are arranged between every two blades, and the rectangular outlets and the blades are arranged in three different forms. The three-channel drill bit can provide three relatively independent channels for transmitting different media, is suitable for the oil-gas drilling industry and is applied to the multi-medium multi-channel combined rock breaking and drilling technology.
Description
Technical Field
The invention relates to a three-channel drill bit. In particular to the fields of drilling and exploitation of petroleum and natural gas and the like, and is suitable for a multi-medium multi-channel combined rock breaking and drilling technology.
Background
With the rapid development of national economy in China, the demand of oil and gas resources in China is continuously increased, oil and gas exploration and development are continuously developed towards deep strata, geological conditions are complex, the strata are buried deeply, lithology is compact, hardness is high, and grinding performance is strong, so that the mechanical drilling speed is low, the drill bit is seriously abraded, the service life of the drill bit is shortened, the drilling period is long, and the cost is high. In order to improve the rock breaking efficiency, reduce the drilling time and reduce the drilling cost, high-efficiency rock breaking front-edge drilling technologies such as a high-pressure water jet rock breaking technology, a rotary impact drilling rock breaking technology, a particle impact rock breaking technology, a laser drilling rock breaking technology, an electron beam rock breaking technology and the like are adopted by people, the new technologies require that a drill bit needs to realize medium separation through 2 or more media, and the traditional drill bit cannot meet the requirement. Therefore, a three-channel drill bit is designed, the drill bit can provide three relatively independent channels, and multi-medium multi-channel combined rock breaking and drilling are achieved. The three-channel drill bit is applied to the efficient rock breaking front-edge drilling technology, medium separation and transmission are realized, and a brand new method is provided for improving the drilling and rock breaking efficiency, shortening the drilling period and improving the drilling benefit.
Disclosure of Invention
The invention aims to solve the problem that a multi-medium multi-channel combined rock breaking and drilling technology needs to be realized by a drill bit in the oil-gas drilling and production process, and provides a three-channel drill bit which can form three mutually independent channels and transmit different media.
The technical scheme adopted by the invention is as follows: the invention discloses a three-channel drill bit which mainly comprises a drill bit body, a channel A, a channel B, a channel C, blades, cutting teeth and a circular truncated cone, wherein the blades are uniformly arranged on the periphery of the drill bit body, the cutting teeth are arranged on the blades and the circular truncated cone, the circular truncated cone is arranged in the center of a tooth part of the drill bit body, the channel A, the channel B and the channel C are arranged in the drill bit body and are mutually separated, the channel A is provided with 1 rectangular inlet and 2 rectangular outlets, the channel B is provided with 1 circular inlet and 2 circular outlets, the channel C is provided with 1 circular inlet and 2 circular outlets, the rectangular outlets or the circular outlets are arranged between every two blades, and the rectangular outlets and the blades are arranged in three different forms.
The further technical scheme is that the channel A is arranged at the center of the drill bit body, 1 rectangular inlet is divided into 2 rectangular outlets by a circular truncated cone at the center of the tooth part, and the 2 rectangular outlets are linearly arranged.
The further technical scheme is that the channel B and the channel C are mutually separated, inlets of the channel B and the channel C are segmental inlets, outlets of the channel B and the channel C are circular outlets, 1 segmental inlet is divided into 2 circular outlets, and the 2 segmental inlets are symmetrically arranged relative to the rectangular inlet.
The further technical scheme is that the circle center of the segmental inlet coincides with the center of the rectangular inlet, and the radius of the circular arc of the segmental inlet is exactly half of the long edge of the rectangular inlet.
The further technical scheme is that the rectangular outlets and the blades have three different forms of arrangement, wherein one form is that 2 rectangular outlets are arranged in front of the main blade, the other form is that 2 rectangular outlets are arranged in front of the auxiliary blade, the other form is that 1 rectangular outlet is arranged in front of the main blade and 1 rectangular outlet is arranged in front of the auxiliary blade.
The invention has the beneficial effects that:
(1) the three-channel drill bit provided by the invention is provided with three relatively independent channels, can transmit three different media simultaneously, and can realize multi-medium multi-channel combined rock breaking.
(2) According to the three-channel drill bit, the channel A and the blades are arranged in three different modes, and the different modes have different rock breaking efficiencies and rock breaking mechanisms.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic, full section view of a three-channel drill bit;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of channel A;
FIG. 4 is a schematic cross-sectional view of channel B and channel C;
FIG. 5 is a front view of FIG. 1;
FIG. 6 shows a different arrangement of channel A and blades;
shown in the figure: 1-a drill bit body; 2-channel A; 3-channel B; 4-channel C; 5-main blade; 6-a circular truncated cone; 7-cutting teeth; 8-auxiliary blade; 9-a rectangular inlet; 10-a rectangular outlet; 11-a segment-shaped inlet; 12-circular outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
The invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-6, the three-channel drill bit of the present invention mainly comprises a bit body, a channel a, a channel B, a channel C, blades, cutting teeth, and a circular truncated cone, wherein the blades are uniformly arranged around the bit body, the blades and the circular truncated cone are provided with the cutting teeth, the circular truncated cone is arranged at the center of the teeth of the bit body, the circular truncated cone is provided with the cutting teeth, the main blades are connected with the circular truncated cone, the auxiliary blades are separated from the circular truncated cone, and the blades and the circular truncated cone are connected to effectively enhance the strength of the circular truncated cone. The channel A, the channel B and the channel C are arranged inside the drill bit body and are mutually separated, the channel A is provided with 1 rectangular inlet and 2 rectangular outlets, the channel A is arranged in the center of the drill bit body, the 1 rectangular inlet is divided into 2 rectangular outlets by a circular truncated cone at the center of the tooth part, and the 2 rectangular outlets are arranged in a straight line. Passageway B has 1 circle to lack shape entry and 2 circular exports, and passageway C has 1 circle to lack shape entry and 2 circular exports, passageway B separates each other with passageway C, and 1 circle lacks the shape entry and is divided into 2 circular exports, and 2 circles lack the shape entry and arrange for the rectangle entry is symmetrical, the centre of a circle that the circle lacked the shape entry coincides with the center of rectangle entry, and the circular arc radius that the circle lacked the shape entry just is half on the long limit of rectangle entry. A rectangular outlet or a circular outlet is arranged between every two blades, and the rectangular outlet and the blades have three different forms of arrangement modes, wherein one form is that 2 rectangular outlets are arranged in front of a main blade, the other form is that 2 rectangular outlets are arranged in front of an auxiliary blade, the other form is that 1 rectangular outlet is arranged in front of the main blade and 1 rectangular outlet is arranged in front of the auxiliary blade. The channel A, the channel B and the channel C are mutually separated and are not dry and astringent, three different media can be simultaneously transmitted, in the high-efficiency rock breaking foreword drilling technology, when different media are separated to realize multi-media multi-channel combined rock breaking, the three-channel drill bit can meet the requirement, different arrangement modes of the channel A and the blades are matched with different rock breaking efficiencies and rock breaking mechanisms, the rock breaking efficiency can be effectively improved, the abrasion of the drill bit is reduced, the service life of the drill bit is prolonged, the drilling cost is reduced, and the development of the high-efficiency rock breaking forward edge drilling technology is promoted.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A three-channel drill bit mainly comprises a drill bit body (1), a channel A (2), a channel B (3), a channel C (4), blades (5) (8), cutting teeth (7) and a circular truncated cone (6), wherein the blades (5) (8) are uniformly arranged around the drill bit body (1), the cutting teeth (7) are arranged on the blades (5) (8) and the circular truncated cone (6), the circular truncated cone (6) is arranged at the center of a tooth part of the drill bit body (1), the channel A (2), the channel B (3) and the channel C (4) are arranged inside the drill bit body (1) and are mutually separated, the channel A (2) is provided with 1 rectangular inlet (9) and 2 rectangular outlets (10), the channel B (3) is provided with 1 circular truncated-shaped inlet (11) and 2 circular outlets (12), the channel C (4) is provided with 1 circular truncated-shaped inlet (11) and 2 circular outlets (12), and the circular outlets (10) or circular outlets (12) are arranged between every two rectangular blades (5) (8), the rectangular outlet (10) and the blades (5) and (8) have three different arrangement modes.
2. The three-channel drill bit of claim 1, wherein: the channel A (2) is arranged in the center of the drill bit body (1), 1 rectangular inlet (9) is divided into 2 rectangular outlets (10) by a circular truncated cone (6) in the center of the tooth part, and the 2 rectangular outlets (10) are arranged in a straight line.
3. The three-channel drill bit of claim 1, wherein: the channel B (3) and the channel C (4) are mutually separated, 1 segmental circular inlet (11) is divided into 2 circular outlets (12), and the 2 segmental circular inlets (11) are symmetrically arranged relative to the rectangular inlet (9).
4. The three-channel drill bit of claim 1, wherein: the circle center of the segmental inlet (11) is superposed with the center of the rectangular inlet (9), and the radius of the circular arc of the segmental inlet (11) is just half of the long side of the rectangular inlet (9).
5. The three-channel drill bit of claim 1, wherein: the rectangular outlets (10) and the blades (5) and (8) have three different forms of arrangement, wherein one form is that 2 rectangular outlets (10) are arranged in front of the main blade (5), the other form is that 2 rectangular outlets (10) are arranged in front of the auxiliary blade (8), the other form is that 1 rectangular outlet (10) is arranged in front of the main blade (5) and 1 rectangular outlet (10) is arranged in front of the auxiliary blade (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127966.3A CN112049576B (en) | 2020-10-20 | 2020-10-20 | Three-channel drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127966.3A CN112049576B (en) | 2020-10-20 | 2020-10-20 | Three-channel drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112049576A true CN112049576A (en) | 2020-12-08 |
| CN112049576B CN112049576B (en) | 2022-04-01 |
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ID=73606150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011127966.3A Active CN112049576B (en) | 2020-10-20 | 2020-10-20 | Three-channel drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112049576B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0033654A2 (en) * | 1980-02-02 | 1981-08-12 | DRILLING & SERVICE U.K. LIMITED | Rotary drill bits and method of use |
| CN86102239A (en) * | 1985-04-04 | 1986-10-01 | 桑特拉德有限公司 | Drill bit |
| CN104775759A (en) * | 2015-04-28 | 2015-07-15 | 中石化石油工程机械有限公司研究院 | Comprehensive rock breaking drill bit |
| CN105507813A (en) * | 2016-01-19 | 2016-04-20 | 江苏省无锡探矿机械总厂有限公司 | Multi-medium ultrahigh pressure spray nozzle capable of dividing and combining streams |
| CN106471206A (en) * | 2014-04-07 | 2017-03-01 | 长年Tm公司 | Single water channel drill bit and the system using single water channel drill bit |
| CN107152241A (en) * | 2017-07-07 | 2017-09-12 | 中国石油天然气集团公司 | Drag bit device |
| CN207553968U (en) * | 2017-04-27 | 2018-06-29 | 西南石油大学 | A kind of ultra-short pulse laser-mechanical drill of fixing wing |
| CN108661563A (en) * | 2018-05-16 | 2018-10-16 | 中国石油天然气集团有限公司 | Cutting tooth contains the PDC drill bit of fluid channel |
| CN110924872A (en) * | 2018-09-20 | 2020-03-27 | 中国石油天然气股份有限公司 | Drill bit for reverse circulation drilling |
| CN111042742A (en) * | 2018-10-15 | 2020-04-21 | 西南石油大学 | Diamond bit for comprehensive drilling |
| CN111212956A (en) * | 2017-08-17 | 2020-05-29 | 光纤芯公司 | Drilling system |
| CN211573403U (en) * | 2019-12-19 | 2020-09-25 | 贵阳至锐工具有限责任公司 | High-wear-resistance hard alloy drill bit |
-
2020
- 2020-10-20 CN CN202011127966.3A patent/CN112049576B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0033654A2 (en) * | 1980-02-02 | 1981-08-12 | DRILLING & SERVICE U.K. LIMITED | Rotary drill bits and method of use |
| CN86102239A (en) * | 1985-04-04 | 1986-10-01 | 桑特拉德有限公司 | Drill bit |
| CN106471206A (en) * | 2014-04-07 | 2017-03-01 | 长年Tm公司 | Single water channel drill bit and the system using single water channel drill bit |
| CN104775759A (en) * | 2015-04-28 | 2015-07-15 | 中石化石油工程机械有限公司研究院 | Comprehensive rock breaking drill bit |
| CN105507813A (en) * | 2016-01-19 | 2016-04-20 | 江苏省无锡探矿机械总厂有限公司 | Multi-medium ultrahigh pressure spray nozzle capable of dividing and combining streams |
| CN207553968U (en) * | 2017-04-27 | 2018-06-29 | 西南石油大学 | A kind of ultra-short pulse laser-mechanical drill of fixing wing |
| CN107152241A (en) * | 2017-07-07 | 2017-09-12 | 中国石油天然气集团公司 | Drag bit device |
| CN111212956A (en) * | 2017-08-17 | 2020-05-29 | 光纤芯公司 | Drilling system |
| CN108661563A (en) * | 2018-05-16 | 2018-10-16 | 中国石油天然气集团有限公司 | Cutting tooth contains the PDC drill bit of fluid channel |
| CN110924872A (en) * | 2018-09-20 | 2020-03-27 | 中国石油天然气股份有限公司 | Drill bit for reverse circulation drilling |
| CN111042742A (en) * | 2018-10-15 | 2020-04-21 | 西南石油大学 | Diamond bit for comprehensive drilling |
| CN211573403U (en) * | 2019-12-19 | 2020-09-25 | 贵阳至锐工具有限责任公司 | High-wear-resistance hard alloy drill bit |
Non-Patent Citations (1)
| Title |
|---|
| 邓乐等: "钻井参数仪微机化多通道多功能接口", 《石油天然气学报》 * |
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| Publication number | Publication date |
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| CN112049576B (en) | 2022-04-01 |
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