CN201588553U - Multifunctional compound drill bit - Google Patents
Multifunctional compound drill bit Download PDFInfo
- Publication number
- CN201588553U CN201588553U CN2010203001056U CN201020300105U CN201588553U CN 201588553 U CN201588553 U CN 201588553U CN 2010203001056 U CN2010203001056 U CN 2010203001056U CN 201020300105 U CN201020300105 U CN 201020300105U CN 201588553 U CN201588553 U CN 201588553U
- Authority
- CN
- China
- Prior art keywords
- tooth
- drill bit
- impregnated
- polycrystalline diamond
- teeth
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a multifunctional compound drill bit, which comprises a cutter wing, a water channel, a water hole, glomerocryst diamond teeth and impregnated teeth; wherein the glomerocryst diamond teeth are disposed on the front row of the cutter wing, the impregnated teeth are positioned on the back of the glomerocryst diamond teeth, and both the glomerocryst diamond teeth and the impregnated teeth are integrated with the cutter wing; the impregnated teeth are arranged continuously on the back of the glomerocryst diamond teeth; and all the teeth cover more than half of the cutter wing. The utility model can greatly improve the well bottom work stability of the drill bit; the multifunctional impregnated teeth on the back has the ability for cutting high grinding stratum; thereby the drill bit achieves the advantages of sufficient damping, abrasion resistance and long service life; is suitable for complex stratums with high impact, high grinding, frequent interlayer interleaving and contagious rock properties.
Description
Technical field
The utility model belongs to the rotary drilling drill bit that a kind of oil, geology are used, particularly a kind of multi-functional composite drill bit.
Background technology
At present; use polycrystalline diamond tooth (diamond PDC tooth) as cutting teeth in fields such as oil, geology, row is installed single or multiple cylindrical impregnated teeth such as taper shape, rectangle, wedge shape additional and is used very extensive with the rotary drilling drill bit of protection polycrystalline diamond tooth thereafter.
The polycrystalline diamond tooth of welding-on will bear very complicated power on the drill bit in well, and its vibrations, impact and collision are very frequent, and the polycrystalline diamond tooth is easy to be damaged originally as fragile material in addition.Conventional single or multiple cylindrical impregnated tooth protection polycrystalline diamond teeth drill bit has been protected the polycrystalline diamond tooth to a certain extent, improved the damping capacity of drill bit and has been prolonged drill bit certain application life.But this cylindrical impregnated tooth major function is the damping shock resistance, can not effectively participate in the stratum cutting, has restricted the life-span of drill bit in high abrasive stratum creeps into; In all very strong bad ground of, abrasiveness staggered frequent and impact on the stratum; this cylindrical impregnated tooth damping impact resistance is limited; can not well protect the polycrystalline diamond tooth and strengthen the stationarity of drill bit, restrict the application life of drill bit in shaft bottom work.
Summary of the invention
Shortcoming at above-mentioned prior art existence; the utility model provides a kind of multi-functional diamond cast tooth as polycrystalline diamond tooth back; constitute drill bit main cutting tooth and protection polycrystalline diamond teeth drill bit with front-seat polycrystalline diamond tooth, the technical solution of the utility model is:
Adopt a kind of multi-functional diamond cast tooth as polycrystalline diamond tooth back, front-seat soldering polycrystalline diamond tooth together constitutes the main cutting tooth of drill bit.Multi-functional impregnated tooth and front-seat polycrystalline diamond tooth are structure as a whole, and constitute a wing of drill bit jointly.
This multi-functional diamond cast tooth can be disposed according to a certain percentage to fire and form by diamond and corresponding metal powder, and coverage is the whole wing of polycrystalline diamond tooth back or the part of wing.It arranges that on single wing the track form can be circular arc, ellipse or linear.
Concrete scheme is: multi-functional composite drill bit, comprise wing, water channel, hydrophthalmia, polycrystalline diamond tooth and impregnated tooth, wherein the polycrystalline diamond tooth is positioned at the wing front row, and impregnated tooth is positioned at polycrystalline diamond tooth back, and polycrystalline diamond tooth and impregnated tooth and wing are into a single integrated structure.
Impregnated tooth is continuously arranged at polycrystalline diamond tooth back, covers more than 1/2nd of whole wing with the polycrystalline diamond tooth at front row.
Further impregnated tooth is circular arc, ellipse or linear in the layout track form of polycrystalline diamond tooth back; Impregnated toothing form is sectional type or monolithic; Shape can be circle, runway shape or ellipse; Impregnated tooth and polycrystalline diamond tooth depth difference scope are 0mm to 3mm.
Blade contour can be the straight knife wing or arc wing; The wing number is 4 to 10 wings.
Further impregnated tooth can be to be disposed according to a certain percentage by natural diamond, artificial single crystal's diamond or any polycrystalline diamond and corresponding carbide powder, or polycrystalline diamond is arranged in to fire in the metal dust by certain way forms.The integrative-structure that polycrystalline diamond tooth and impregnated tooth and wing form can be when making one fire and form, also can be welded on the wing.
The utility model is compared with conventional polycrystalline diamond teeth drill bit and polycrystalline diamond tooth+impregnated teeth drill bit, has following technological innovation and helpfulness:
1, the utility model drill bit is with the impregnated tooth of new structure and rationally effectively combining of polycrystalline diamond tooth, fully combines the high-wearing feature and the high drilling speed characteristic of polycrystalline diamond teeth drill bit of impregnated bit.The utilization of the utility model drill bit can increase substantially application life of abrasion resistance, rate of penetration and the drill bit of drill bit, has widened the adaptive capacity of drill bit to bad ground;
2, compare with conventional polycrystalline diamond tooth+impregnated teeth drill bit; in the bad ground that the multi-functional impregnated tooth that the utility model drill bit is used is staggered frequent on the stratum, abrasiveness and impact are all very strong; the damping shock resistance increases substantially, and has effectively protected the polycrystalline diamond tooth.
3, compare with conventional polycrystalline diamond tooth+impregnated teeth drill bit, the multi-functional impregnated tooth that the utility model drill bit is used is simultaneously also as the main cutting teeth of drill bit, grind the stratum at height and can produce effect and creep into, cut the stratum, increased substantially the application life of drill bit;
4, this multi-functional impregnated gear reasonably is combined into a wing with the polycrystalline diamond tooth at front row, can significantly improve the stationarity of drill bit in shaft bottom work, the multi-functional impregnated tooth of back has the high ability of grinding the stratum of cutting, abundant, wear-resistant, the long service life of this drill bit damping is fit to HI high impact, high grinding, staggered frequent, the very inhomogeneous bad ground of lithology of interlayer.
In sum, the utility model provides a kind of multi-functional diamond cast tooth as polycrystalline diamond tooth back, constitute drill bit main cutting tooth and protection polycrystalline diamond teeth drill bit with front-seat polycrystalline diamond tooth, it is the damping shock resistance that the utility model has overcome general impregnated tooth major function, can not effectively participate in the stratum cutting, the shortcoming in the life-span of restriction drill bit in high abrasive stratum creeps into; Overcome in all very strong bad ground of, abrasiveness staggered frequent and impact on the stratum; general impregnated tooth damping impact resistance is limited; can not well protect the polycrystalline diamond tooth and strengthen the stationarity of drill bit, the shortcoming in the application life of restriction drill bit in shaft bottom work.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the floor map of the utility model drill bit;
Fig. 2 is the polycrystalline diamond tooth and the impregnated toothing schematic diagram of the utility model drill bit.
Among the figure, 1, wing, 2, water channel, 3, hydrophthalmia, 4, the polycrystalline diamond tooth, 5, impregnated tooth.
The specific embodiment
In conjunction with Fig. 1, Fig. 2,1 is wing among the figure, and wing 1 has 6 in this figure, is arc wing 1.And wing 1 can have 4 to 10 in the reality, can be the straight knife wing or arc wing.The 2nd, water channel, the 3rd, hydrophthalmia.
4 is polycrystalline diamond teeth among the figure, and polycrystalline diamond tooth 4 is positioned at the front row of wing, occupies the front-seat Zone Full of wing.
5 is impregnated teeth among the figure, and impregnated tooth 5 is split type impregnated tooth in the drawings, is positioned at the back of polycrystalline diamond tooth 4, and is arranged in order whole or 1/2nd above big portions of wing that are covered with; Impregnated tooth 5 end face directions and polycrystalline diamond tooth 4 are placed in the same way, the impregnated tooth 5 of monolithic also can with the perpendicular placement of polycrystalline diamond tooth 4 directions; Arrangement mode is circular arc type in Fig. 1, center of arc is the drill bit axial line, can be ellipse or linear pattern in practice, ellipse is relative circular arc, its center of rotation is unfixing, whole curved line is not on same center of rotation, and linear pattern is that impregnated tooth is connected arrangement from beginning to end by straight line or many straight lines; Impregnated tooth 5 is 0 to 3 millimeter with polycrystalline diamond tooth 4 discrepancy in elevation, and promptly to be higher than impregnated tooth 5 at most be 3 millimeters to polycrystalline diamond tooth 4; Impregnated tooth 5 form of structure can be sectional type or monolithic, and sectional type promptly is to be arranged in order into row by a plurality of laminar impregnated teeth, and monolithic promptly is that impregnated tooth is the impregnated structure of single integral piece; Impregnated odontoid can be circle, runway shape, ellipse, square or polygon.
The size of drill bit is 5-7/8 "～17-1/2 ".
Impregnated tooth 5 is into a single integrated structure with wing 1, can be when making one fire and form, also can be welded on the wing 1; Impregnated tooth 5 can be to be disposed according to a certain percentage by natural diamond, artificial single crystal's diamond and any polycrystalline diamond and corresponding carbide powder, or polycrystalline diamond is arranged in the metal dust by certain way.
In the utility model drill bit because impregnated tooth 5 is positioned at polycrystalline diamond tooth 4 back and is covered with wing whole or wing is local, when arriving certain degree of depth on polycrystalline diamond tooth wedging stratum, impregnated tooth will contact the stratum, this moment impregnated toe joint contact to earth the layer no longer be the original some way of contact, but longer line contact contact with face, and impregnated like this tooth energy is more effective to be withstood the stratum to limit polycrystalline diamond tooth wedging stratum dark excessively.Abundant, wear-resistant, the long service life of the utility model drill bit damping is described, is fit to HI high impact, high grinding, staggered frequent, the very inhomogeneous bad ground of lithology of interlayer.
After front-seat polycrystalline diamond tooth had certain wearing and tearing, the back impregnated tooth of row can participate in the stratum cutting again, has increased substantially the drill bit abrasion resistance, has improved drilling life of bit.
The utility model drill bit uses in a Carboniferous System formation testing, use drilling depth 460m after tested, rate of penetration 1.76m/h, broken through the taboo that original polycrystalline diamond compact bit can not use on such stratum, rate of penetration and drilling depth life-span are improved significantly, are important breakthroughs of oil field bit technique.
Claims (8)
1. multi-functional composite drill bit, comprise wing (1), water channel (2), hydrophthalmia (3), polycrystalline diamond tooth (4) and impregnated tooth (5), it is characterized in that: polycrystalline diamond tooth (4) is positioned at wing (1) front row, impregnated tooth (5) is positioned at polycrystalline diamond tooth (4) back, and polycrystalline diamond tooth (4) and impregnated tooth (5) are into a single integrated structure with wing (1).
2. multi-functional composite drill bit according to claim 1 is characterized in that: impregnated tooth (5) is continuously arranged at polycrystalline diamond tooth (4) back, covers more than 1/2nd of whole wing with the polycrystalline diamond tooth (4) at front row.
3. multi-functional composite drill bit according to claim 1 and 2 is characterized in that: impregnated tooth (5) is circular arc, ellipse or linear in the layout track form of polycrystalline diamond tooth (4) back.
4. multi-functional composite drill bit according to claim 1 and 2 is characterized in that: impregnated tooth (5) form of structure is sectional type or monolithic.
5. multi-functional composite drill bit according to claim 1 and 2 is characterized in that: impregnated tooth (5) shape can be circle, runway shape, ellipse, square or polygon.
6. multi-functional composite drill bit according to claim 1 and 2 is characterized in that: impregnated tooth (5) is 0mm to 3mm with polycrystalline diamond tooth (4) discrepancy in elevation scope.
7. multi-functional composite drill bit according to claim 1 and 2 is characterized in that: wing (1) shape can be the straight knife wing or arc wing.
8. multi-functional composite drill bit according to claim 1 and 2 is characterized in that: wing (1) number is 4 to 10 wings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203001056U CN201588553U (en) | 2010-01-05 | 2010-01-05 | Multifunctional compound drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203001056U CN201588553U (en) | 2010-01-05 | 2010-01-05 | Multifunctional compound drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201588553U true CN201588553U (en) | 2010-09-22 |
Family
ID=42748331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203001056U Expired - Lifetime CN201588553U (en) | 2010-01-05 | 2010-01-05 | Multifunctional compound drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201588553U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975025A (en) * | 2010-10-09 | 2011-02-16 | 东北石油大学 | Fractal design method for diamond particle distribution on diamond bit |
| CN102003144A (en) * | 2010-10-09 | 2011-04-06 | 东北石油大学 | Fractal design method for roller bit gear teeth structure |
| CN102953686A (en) * | 2011-08-30 | 2013-03-06 | 中国石油化工股份有限公司 | Steel body type diamond-impregnated bit |
| CN105422009A (en) * | 2015-12-08 | 2016-03-23 | 大庆天瑞机械制造有限公司 | Polycrystalline diamond compact bit with four blades |
| CN105422012A (en) * | 2015-12-08 | 2016-03-23 | 大庆天瑞机械制造有限公司 | Initiative-chipping-discharging type polycrystalline diamond compact bit |
| CN105422010A (en) * | 2015-12-08 | 2016-03-23 | 大庆天瑞机械制造有限公司 | Polycrystalline diamond compact bit with six blades |
| CN105619040A (en) * | 2015-12-31 | 2016-06-01 | 武汉江钻恒立工程钻具股份有限公司 | Manufacturing method for multifunctional drill |
| WO2018000781A1 (en) * | 2016-06-28 | 2018-01-04 | 四川川庆石油钻采科技有限公司 | Double-cutting impregnated diamond drill |
| CN108194026A (en) * | 2018-01-13 | 2018-06-22 | 东北石油大学 | Cutting-abrasive type diamond impregnated block and PDC composite sheets mix diamond setting head |
| CN112610160A (en) * | 2020-12-17 | 2021-04-06 | 同济大学 | Step-shaped composite sheet of CVD diamond layer-impregnated diamond layer-polycrystalline diamond composite sheet layer |
-
2010
- 2010-01-05 CN CN2010203001056U patent/CN201588553U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003144A (en) * | 2010-10-09 | 2011-04-06 | 东北石油大学 | Fractal design method for roller bit gear teeth structure |
| CN101975025B (en) * | 2010-10-09 | 2012-11-21 | 东北石油大学 | Fractal design method for diamond particle distribution on diamond bit |
| CN102003144B (en) * | 2010-10-09 | 2013-01-23 | 东北石油大学 | Fractal design method for roller bit gear teeth structure |
| CN101975025A (en) * | 2010-10-09 | 2011-02-16 | 东北石油大学 | Fractal design method for diamond particle distribution on diamond bit |
| CN102953686A (en) * | 2011-08-30 | 2013-03-06 | 中国石油化工股份有限公司 | Steel body type diamond-impregnated bit |
| CN105422009B (en) * | 2015-12-08 | 2017-08-29 | 大庆天瑞机械制造有限公司 | Four wing polycrystalline diamond compact bits |
| CN105422009A (en) * | 2015-12-08 | 2016-03-23 | 大庆天瑞机械制造有限公司 | Polycrystalline diamond compact bit with four blades |
| CN105422012A (en) * | 2015-12-08 | 2016-03-23 | 大庆天瑞机械制造有限公司 | Initiative-chipping-discharging type polycrystalline diamond compact bit |
| CN105422010A (en) * | 2015-12-08 | 2016-03-23 | 大庆天瑞机械制造有限公司 | Polycrystalline diamond compact bit with six blades |
| CN105422010B (en) * | 2015-12-08 | 2017-08-29 | 大庆天瑞机械制造有限公司 | Six wing polycrystalline diamond compact bits |
| CN105619040A (en) * | 2015-12-31 | 2016-06-01 | 武汉江钻恒立工程钻具股份有限公司 | Manufacturing method for multifunctional drill |
| WO2018000781A1 (en) * | 2016-06-28 | 2018-01-04 | 四川川庆石油钻采科技有限公司 | Double-cutting impregnated diamond drill |
| CN108194026A (en) * | 2018-01-13 | 2018-06-22 | 东北石油大学 | Cutting-abrasive type diamond impregnated block and PDC composite sheets mix diamond setting head |
| CN108194026B (en) * | 2018-01-13 | 2019-07-30 | 东北石油大学 | Cutting-abrasive type diamond impregnated block and PDC composite sheet mix diamond setting head |
| CN112610160A (en) * | 2020-12-17 | 2021-04-06 | 同济大学 | Step-shaped composite sheet of CVD diamond layer-impregnated diamond layer-polycrystalline diamond composite sheet layer |
| CN112610160B (en) * | 2020-12-17 | 2022-04-05 | 同济大学 | Step-shaped composite sheet of CVD diamond layer-impregnated diamond layer-polycrystalline diamond composite sheet layer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201588553U (en) | Multifunctional compound drill bit | |
| RU2721914C2 (en) | Cutting element with multiple beveled surfaces and cutting end of definite shape, and drilling cutting tools containing such cutting elements | |
| CN103510859B (en) | Creep into the module cutter drill bits that specific pressure is controlled | |
| CN106437525B (en) | A kind of composite drill bit suitable for bad ground | |
| CN106089087B (en) | A kind of punching composite drill bit suitable for bad ground | |
| CN105113995A (en) | Composite drill bit with core rock breaking capability improved | |
| CN102536124B (en) | Single-roller bit with PDC (polycrystalline diamond compact) composite plates | |
| CN202417313U (en) | Single cone bit with PDC (Polycrystalline Diamond Compact) teeth | |
| CN102434105A (en) | Composite bit with rotary cut rock-breaking function | |
| US10961784B2 (en) | Rotating cutter single cone bit | |
| CN206280004U (en) | A kind of mixing PDC drill bit with multiple cutting function | |
| CN102392603A (en) | Compound bit formed by rotary cutting bit and PDC (polycrystalline diamond compact) blades | |
| CN105840105A (en) | PDC (Polycrystalline diamond compact)-impregnated segment hybrid self-adaptive drill bit | |
| CN201474617U (en) | Diamond drill bit gauge protection gear section structure | |
| CN105781425A (en) | Drill bit cutting element with continuous sharp cutting edge | |
| CN105804662A (en) | Double-bearing simply supported beam type rock breaking hob and mixed PDC drill bit thereof | |
| CN207944889U (en) | Combined cut PDC drill bit with spin driving toothing | |
| CN104727752B (en) | A kind of polycrystal diamond composite teeth and its manufacture method and a kind of drill bit | |
| CN207436922U (en) | A kind of insert cone Mixed drilling bit | |
| CN207420458U (en) | A kind of Mixed drilling bit for hard formation drilling well | |
| CN107747473A (en) | A kind of insert cone Mixed drilling bit | |
| CN102400646A (en) | Composite bit formed by rotary cut bit and roller bit | |
| CN202441259U (en) | Combined drill bit formed by rotary-cutting drill bit and cone drill bit | |
| CN209621216U (en) | It is a kind of that there are two the composite drill bits of recombination region | |
| CN105863518A (en) | Composite drilling bit with PDC combined tooth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |