CN103758463A - Diamond-impregnated bit of arc tooth - Google Patents
Diamond-impregnated bit of arc tooth Download PDFInfo
- Publication number
- CN103758463A CN103758463A CN201410033257.7A CN201410033257A CN103758463A CN 103758463 A CN103758463 A CN 103758463A CN 201410033257 A CN201410033257 A CN 201410033257A CN 103758463 A CN103758463 A CN 103758463A
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- China
- Prior art keywords
- impregnated
- diamond
- arc
- bit
- tooth
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- 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.)
- Pending
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- 239000002131 composite material Substances 0.000 claims abstract description 9
- 229910003460 diamond Inorganic materials 0.000 claims description 59
- 239000010432 diamond Substances 0.000 claims description 59
- 239000011435 rock Substances 0.000 abstract description 46
- 238000005553 drilling Methods 0.000 abstract description 25
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000035515 penetration Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- DQTMTQZSOJMZSF-UHFFFAOYSA-N 3-pentadecylcatechol Chemical compound CCCCCCCCCCCCCCCC1=CC=CC(O)=C1O DQTMTQZSOJMZSF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The invention discloses a diamond-impregnated bit of an arc tooth and belongs to the technical field of bits for drilling. The diamond-impregnated bit of the arc tooth comprises a connector and a bit body connected to the connector. The arc diamond-impregnated tooth is horizontally arranged in a crown zone on the bit body, the arc diamond-impregnated tooth covers a crown contour line of the bit body, and a PDC composite piece is arranged in a heart zone on the bit body. According to the diamond-impregnated bit of the arc tooth, the arc diamond-impregnated tooth is used, the bit and the tooth carry out rotating drilling to form circular well bottom matching, the contact area between the impregnated tooth and a well bottom rock is increased, accordingly, the mechanical drilling speed of well drilling is improved, the diamond-impregnated tooth is arranged on the surface of the bit body so that the bit body cannot be in contact with the well bottom rock, accordingly, the bit body cannot be abraded by the rock, rock breaking efficiency is improved, and the service life of the bit is prolonged.
Description
Technical field
The present invention relates to the probing drill bit that the fields such as petroleum gas, mine engineering, building foundation engineering construction, geology, the hydrology are used, relate to concretely have the diamond-impregnated bit of arc-shaped gear.
Background technology
Drill bit is the rock crushing tool in order to fractured rock, formation pit shaft in drilling engineering.
diamond-impregnated bitbe widely used in now during probing produces, have that anti-pressure ability is large, abrasion-resistance is strong, the good feature of impact resistance, be applicable to probing PDC drill bit and rock bit are difficult to probing, there is the compact conglomerate of high rigidity, high abrasive stratum.
diamond-impregnated bitbeing distributed in bit matrix thinner diamond uniform exactly, this drill bit is furnished with the carcass of different hardness, can creep into the rock of various hardness, particularly creep into rock more than medium hardness, drilling efficiency is high, cost is low, core recovery is high, drillhole curvature is little, can creep into the boring at any inclination angle.Because the diamond particles of diamond-impregnated bit is thinner, volumetric fracture effect for rock stratum is very little, actual Breaking Rock Mechanism is similar to wheel grinding workpiece, with many on labial surface and little hard points (diamond) to workpiece (hole bed rock stone) delineate, grinding, and along with wearing and tearing gradually and the disappearance of original hard point, carcass is also in continuous abrasion, and new hard point is exposed again out to work on.In fact,
diamond-impregnated bitin high-speed grinding work, self is also consumed, due to its " certainly grinding sword effect " often in sharp keen state.
Because the diamond particles in impregnated with diamond tooth has high abrasion resistance, therefore diamond-impregnated bit has long-life advantage, can make drill bit obtain higher drilling depth.But generally, the rate of penetration of diamond-impregnated bit is all lower than rock bit and PDC drill bit, need to coordinate well dynamic instrument (high-speed screws drilling tool or turbodrill use), thereby allow, use the high cost of diamond-impregnated bit.If do not use high-speed screws or turbodrill, the rate of penetration of diamond-impregnated bit can be slower, and efficiency of breaking rock is lower, and overall economic efficiency is even lower than rock bit and PDC drill bit.
Summary of the invention
Goal of the invention of the present invention is: for the problem of above-mentioned existence, a kind of diamond-impregnated bit of arc-shaped gear is provided, adopt the impregnated with diamond tooth of arc form, at the bottom of the circular well that drill bit and its rotary drilling are formed, coincide, increase the contact area of impregnated tooth and bottom rock, thereby improved the rate of penetration of drilling well; Simultaneously impregnated with diamond tooth is arranged in the surface of drill body, and drill body part can not participated in and the contacting of bottom rock, and therefore drill body is not is not worn and torn by rock, improves efficiency of breaking rock, extends drilling life of bit.
The technical solution used in the present invention is as follows:
The diamond-impregnated bit of arc-shaped gear of the present invention, comprise joint and be connected in the bit body on joint, in crown areas on described bit body, lateral arrangement has arc impregnated with diamond tooth, make described arc impregnated with diamond tooth cover the crown profile line of bit body, in the heart portion region on described bit body, be furnished with PDC composite sheet.
At present, common diamond-impregnated bit there is no to leave high-speed screws or the independent reason of using of turbodrill is: the impregnated tooth employing straight cylinder form on drill bit, the contact area in impregnated tooth and shaft bottom is less, thereby makes its efficiency of breaking rock lower.The present invention is the deficiency based on common diamond-impregnated bit exists in prior art just, change the arc impregnated with diamond tooth that thinking adopts impregnated tooth cylindrical structural, and the whole lateral arrangement of this arc impregnated with diamond tooth are in the crown profile part of bit body, in the time of at the bottom of bit creeps into the circular well of its formation, arc impregnated with diamond tooth can be with identical at the bottom of circular well, increased the contact area of impregnated tooth and bottom rock, thereby improve the rate of penetration of drilling well, arc impregnated with diamond tooth and bit creep at the bottom of the circular well of formation consistent, increased the stability of drill bit, and the whole lateral arrangement of impregnated tooth are on drill bit, therefore impregnated tooth is difficult for being impacted and fractureing by conglomerate, improved the application life of drill bit, and the crown areas of whole bit body is all arc impregnated with diamond tooth, drill body part can not participated in and the contacting of bottom rock, drill body is not is not worn and torn by rock, extend drilling life of bit, wherein arc impregnated with diamond tooth adopts soldering processes to be cemented on bit body, has avoided the impact of sintering permanent tooth process on impregnated tooth performance, can extend the application life of drill bit.Drill bit heart portion adopts PDC composite sheet rock cutting, and drill bit heart portion only has the crown part contact rock of PDC composite sheet, therefore can improve the contact stress of drill bit and rock, reaches the object that improves efficiency of breaking rock.
The diamond-impregnated bit of arc-shaped gear of the present invention, the column structure that described arc impregnated with diamond tooth is circular arc, some arc impregnated with diamond teeth are transversely arranged and be brazed on the crown profile line of bit body successively, the center line of described arc impregnated with diamond tooth is circular arc, and the center of this circular arc overlaps with the rotation of bit body.
Owing to having adopted said structure, the column structure that arc impregnated with diamond tooth is wherein circular arc, and some arc impregnated with diamond teeth are transversely arranged and be brazed on the crown profile line of bit body successively, make to be arc impregnated with diamond tooth in the crown profile part of whole bit body, make drill bit in drilling process, drill body part can not participate in and the contacting of bottom rock, and drill body is not is not worn and torn by rock, extends drilling life of bit, the center line of arc impregnated with diamond tooth is circular arc in addition, the center of this circular arc overlaps with the rotation of bit body, arc impregnated with diamond tooth is distributed in the crown areas of bit body equably, and evenly distributed centered by the rotation of bit body, when drill bit is in drilling process, arc impregnated with diamond tooth can be coincide fully with at the bottom of circular well, there will not be the phenomenons such as eccentric, thereby increased the contact area of impregnated tooth and bottom rock, thereby improve the rate of penetration of drilling well, impregnated tooth is difficult for being impacted and fractureing by conglomerate, improved the application life of drill bit.
The diamond-impregnated bit of arc-shaped gear of the present invention, circular, oval and/or straightway is combined with the circular arc line segment shape forming that the end surface shape at described arc impregnated with diamond tooth two ends is respectively.
Owing to having adopted said structure, this arc impregnated with diamond tooth is in order to increase Surface Contact area, adopt column structure, this arc impregnated with diamond tooth can adopt various structures simultaneously, wherein the cross section of arc impregnated with diamond tooth and end face can be circular, oval or straightway is combined the shape forming with circular arc line segment, wherein the two ends of arc impregnated with diamond tooth can be the same or different, when the cross sectional shape at its two ends is different, can be that an end face is circle, other end be oval; Or an end face is oval, other end is that straightway is combined the shape forming with circular arc line segment; Or an end face is circular, other end is that straightway is combined the shape forming with circular arc line segment.
The diamond-impregnated bit of arc-shaped gear of the present invention, the end surface shape at described arc impregnated with diamond tooth two ends is identical or different.
Owing to having adopted said structure, according to the difference of drill bit, select the impregnated tooth of different structure, wherein can select the end surface shape at column two ends different with area, can be that column one end face is circle, other end is oval; Or an end face is oval, other end is that straightway is combined the shape forming with circular arc line segment; Or an end face is circular, other end is that straightway is combined the shape forming with circular arc line segment; It can certainly be the little structure in large one end, one end of column; In addition, in order to make drill bit in use, surperficial stress equalization, the end surface shape at arc impregnated with diamond tooth two ends can be made identical, thereby be convenient to manufacture.
In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows:
1, the diamond-impregnated bit of arc-shaped gear of the present invention, the impregnated with diamond tooth of employing arc form, coincide at the bottom of the circular well that drill bit and its rotary drilling are formed, and has increased the contact area of impregnated tooth and bottom rock, thereby improves the rate of penetration of drilling well;
2, the diamond-impregnated bit of arc-shaped gear of the present invention, impregnated with diamond tooth is arranged in the surface of drill body, and drill body part can not participated in and the contacting of bottom rock, and therefore drill body is not is not worn and torn by rock, improve efficiency of breaking rock, extend drilling life of bit.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the structural representation of drill bit in the present invention;
Fig. 2 is the front view of drill bit in the present invention;
Fig. 3 is the top view of Fig. 2.
Mark in figure: 1-bit body, 2-arc impregnated with diamond tooth, 3-PDC composite sheet, 4-joint, 5-nozzle.
The specific embodiment
Disclosed all features in this manual, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this manual (comprising any accessory claim, summary), unless narration especially all can be replaced by other equivalences or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
As shown in Figure 1 to Figure 3, the diamond-impregnated bit of arc-shaped gear of the present invention, comprise joint 4 and be connected in the bit body 1 on joint 4, in crown areas on described bit body 1, lateral arrangement has arc impregnated with diamond tooth 2, make described arc impregnated with diamond tooth 2 cover the crown profile line of bit body 1, the column structure that wherein arc impregnated with diamond tooth 2 is circular arc, some arc impregnated with diamond teeth 2 are transversely arranged and be brazed on the crown profile line of bit body 1 successively, the center line of described arc impregnated with diamond tooth 2 is circular arc, the center of this circular arc overlaps with the rotation of bit body 1, on outer wimble fraction on described bit body 1, be furnished with some holes, described bit body 1 is provided with and offers some grooves, in heart portion region on described bit body 1, be furnished with PDC composite sheet 3, in the heart portion region on described bit body 1, be provided with the nozzle 5 being communicated with joint 4.
At present, common diamond-impregnated bit there is no to leave high-speed screws or the independent reason of using of turbodrill is: the impregnated tooth employing straight cylinder form on drill bit, the contact area in impregnated tooth and shaft bottom is less, thereby makes its efficiency of breaking rock lower.The present invention is the deficiency based on common diamond-impregnated bit exists in prior art just, change the circular arc impregnated with diamond tooth that thinking adopts impregnated tooth cylindrical structural, and the whole lateral arrangement of this arc impregnated with diamond tooth are in the crown profile part of bit body, in the time of at the bottom of bit creeps into the circular well of its formation, arc impregnated with diamond tooth can be with identical at the bottom of circular well, increased the contact area of impregnated tooth and bottom rock, thereby improve the rate of penetration of drilling well, arc impregnated with diamond tooth and bit creep at the bottom of the circular well of formation consistent, increased the stability of drill bit, and the whole lateral arrangement of impregnated tooth are on drill bit, therefore impregnated tooth is difficult for being impacted and fractureing by conglomerate, improved the application life of drill bit, and the crown areas of whole bit body is all arc impregnated with diamond tooth, drill body part can not participated in and the contacting of bottom rock, drill body is not is not worn and torn by rock, extend drilling life of bit, wherein arc impregnated with diamond tooth adopts soldering processes to be cemented on bit body, has avoided the impact of sintering permanent tooth process on impregnated tooth performance, can extend the application life of drill bit.Drill bit heart portion adopts PDC composite sheet rock cutting, and drill bit heart portion only has the crown part contact rock of PDC composite sheet, therefore can improve the contact stress of drill bit and rock, reaches the object that improves efficiency of breaking rock.
In order to increase arc impregnated with diamond tooth surface contact area, therefore this arc impregnated with diamond tooth adopts column structure, this arc impregnated with diamond tooth can adopt various structures, wherein the end surface shape at arc impregnated with diamond tooth 2 two ends can be various structures, the needs that use according to actual production, may be selected to be circle, oval, and/or straightway be combined with circular arc line segment composition shape, wherein the two ends of arc impregnated with diamond tooth can be the same or different, when the cross sectional shape at its two ends is different, can be that an end face is for circular, other end is oval, or an end face is oval, other end is that straightway is combined the shape forming with circular arc line segment, or an end face is circular, other end is that straightway is combined the shape forming with circular arc line segment.
The diamond-impregnated bit of arc-shaped gear of the present invention, the impregnated with diamond tooth of employing arc form, coincide at the bottom of the circular well that drill bit and its rotary drilling are formed, and has increased the contact area of impregnated tooth and bottom rock, thereby improves the rate of penetration of drilling well; Impregnated with diamond tooth is arranged in the surface of drill body, and drill body part can not participated in and the contacting of bottom rock, and therefore drill body is not is not worn and torn by rock, improves efficiency of breaking rock, extends drilling life of bit.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (4)
1. the diamond-impregnated bit of arc-shaped gear, it is characterized in that: it comprises joint (4) and is connected in the bit body (1) on joint (4), in crown areas on described bit body (1), lateral arrangement has arc impregnated with diamond tooth (2), make described arc impregnated with diamond tooth (2) cover the crown profile line of bit body (1), in the heart portion region on described bit body (1), be furnished with PDC composite sheet (3).
2. the diamond-impregnated bit of arc-shaped gear as claimed in claim 1, it is characterized in that: the column structure that described arc impregnated with diamond tooth (2) is circular arc, some arc impregnated with diamond teeth (2) are transversely arranged and be brazed on the crown profile line of bit body (1) successively, the center line of described arc impregnated with diamond tooth (2) is circular arc, and the center of this circular arc overlaps with the rotation of bit body (1).
3. the diamond-impregnated bit of arc-shaped gear as claimed in claim 1 or 2, is characterized in that: the end surface shape at described arc impregnated with diamond tooth (2) two ends is respectively circular, oval and/or straightway and is combined the shape forming with circular arc line segment.
4. the diamond-impregnated bit of arc-shaped gear as claimed in claim 3, is characterized in that: the end surface shape at described arc impregnated with diamond tooth (2) two ends is identical or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410033257.7A CN103758463A (en) | 2014-01-24 | 2014-01-24 | Diamond-impregnated bit of arc tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410033257.7A CN103758463A (en) | 2014-01-24 | 2014-01-24 | Diamond-impregnated bit of arc tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103758463A true CN103758463A (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410033257.7A Pending CN103758463A (en) | 2014-01-24 | 2014-01-24 | Diamond-impregnated bit of arc tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103758463A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201414A (en) * | 2014-06-26 | 2015-12-30 | 中国石油化工股份有限公司 | Drill bit used for volcanic rock |
| CN105507820A (en) * | 2014-09-27 | 2016-04-20 | 中国石油化工集团公司 | PDC (polycrystalline diamond compact) bit applicable to gravel-containing formation |
| CN107255017A (en) * | 2016-10-18 | 2017-10-17 | 西南石油大学 | A kind of table inlays the arc-shaped gear single-cone rotary drill bit of natural diamond particles |
| CN107605407A (en) * | 2017-09-27 | 2018-01-19 | 四川奥格特金刚石钻头有限公司 | A kind of PDC cutter and the composite drill bit containing the PDC cutter |
| CN116104421A (en) * | 2023-04-04 | 2023-05-12 | 成都迪普金刚石钻头有限责任公司 | PDC mixed-inlaid drill bit suitable for coring of hard broken stratum |
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| US20080029310A1 (en) * | 2005-09-09 | 2008-02-07 | Stevens John H | Particle-matrix composite drill bits with hardfacing and methods of manufacturing and repairing such drill bits using hardfacing materials |
| CN201460746U (en) * | 2009-07-20 | 2010-05-12 | 吉林大学 | Drill bits impregnated with diamond film |
| CN201460745U (en) * | 2009-05-21 | 2010-05-12 | 上海中曼金刚石钻头有限公司 | polycrystal diamond compact bit for Ordos Basin loess layer |
| CN201661243U (en) * | 2010-08-18 | 2010-12-01 | 大庆飞马鸿信钻采设备制造有限公司 | PDC drill bit with full-size high wear-resistant gauge-protection ring |
| CN201714306U (en) * | 2010-07-20 | 2011-01-19 | 殷文著 | High efficiency PDC drill bit matched with high speed turbine drilling tool |
| CN202483456U (en) * | 2012-04-01 | 2012-10-10 | 北京金宝顺福石油技术开发有限公司 | Novel arc-head petroleum drill bit |
| CN203729884U (en) * | 2014-01-24 | 2014-07-23 | 四川万吉金刚石钻头有限公司 | Diamond-impregnated drill bit with arc teeth |
-
2014
- 2014-01-24 CN CN201410033257.7A patent/CN103758463A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080029310A1 (en) * | 2005-09-09 | 2008-02-07 | Stevens John H | Particle-matrix composite drill bits with hardfacing and methods of manufacturing and repairing such drill bits using hardfacing materials |
| CN201460745U (en) * | 2009-05-21 | 2010-05-12 | 上海中曼金刚石钻头有限公司 | polycrystal diamond compact bit for Ordos Basin loess layer |
| CN201460746U (en) * | 2009-07-20 | 2010-05-12 | 吉林大学 | Drill bits impregnated with diamond film |
| CN201714306U (en) * | 2010-07-20 | 2011-01-19 | 殷文著 | High efficiency PDC drill bit matched with high speed turbine drilling tool |
| CN201661243U (en) * | 2010-08-18 | 2010-12-01 | 大庆飞马鸿信钻采设备制造有限公司 | PDC drill bit with full-size high wear-resistant gauge-protection ring |
| CN202483456U (en) * | 2012-04-01 | 2012-10-10 | 北京金宝顺福石油技术开发有限公司 | Novel arc-head petroleum drill bit |
| CN203729884U (en) * | 2014-01-24 | 2014-07-23 | 四川万吉金刚石钻头有限公司 | Diamond-impregnated drill bit with arc teeth |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201414A (en) * | 2014-06-26 | 2015-12-30 | 中国石油化工股份有限公司 | Drill bit used for volcanic rock |
| CN105201414B (en) * | 2014-06-26 | 2018-12-28 | 中国石油化工股份有限公司 | Volcanic rock drill bit |
| CN105507820A (en) * | 2014-09-27 | 2016-04-20 | 中国石油化工集团公司 | PDC (polycrystalline diamond compact) bit applicable to gravel-containing formation |
| CN107255017A (en) * | 2016-10-18 | 2017-10-17 | 西南石油大学 | A kind of table inlays the arc-shaped gear single-cone rotary drill bit of natural diamond particles |
| CN107605407A (en) * | 2017-09-27 | 2018-01-19 | 四川奥格特金刚石钻头有限公司 | A kind of PDC cutter and the composite drill bit containing the PDC cutter |
| CN116104421A (en) * | 2023-04-04 | 2023-05-12 | 成都迪普金刚石钻头有限责任公司 | PDC mixed-inlaid drill bit suitable for coring of hard broken stratum |
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Application publication date: 20140430 |