CN105863516A - Spraying type drill bit of four-cutter-blade embedded polycrystalline compound tooth - Google Patents
Spraying type drill bit of four-cutter-blade embedded polycrystalline compound tooth Download PDFInfo
- Publication number
- CN105863516A CN105863516A CN201610378126.1A CN201610378126A CN105863516A CN 105863516 A CN105863516 A CN 105863516A CN 201610378126 A CN201610378126 A CN 201610378126A CN 105863516 A CN105863516 A CN 105863516A
- Authority
- CN
- China
- Prior art keywords
- wing
- perforation
- bit
- teeth
- drill bit
- 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.)
- Pending
Links
- 238000005507 spraying Methods 0.000 title abstract 3
- 150000001875 compounds Chemical class 0.000 title abstract 2
- 210000000515 tooth Anatomy 0.000 claims description 67
- 238000005520 cutting process Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000002131 composite material Substances 0.000 claims description 17
- 239000011159 matrix material Substances 0.000 claims description 15
- 229910003460 diamond Inorganic materials 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 15
- 238000005406 washing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000005476 soldering Methods 0.000 description 6
- 230000036346 tooth eruption Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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
- E21B10/42—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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type 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
- E21B10/60—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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
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
The invention discloses a spraying type drill bit of a four-cutter-blade embedded polycrystalline compound tooth. The spraying type drill bit comprises a drill bit base part (3) and a drill bit crown part (1), which are integrally molded, wherein the drill bit crown part (1) is provided with a first cutter blade (12), a second cutter blade (13), a third cutter blade (14) and a fourth cutter blade (15) along the clockwise direction; each cutter blade is provided with a plurality of tooth holes; the tooth holes in the first cutter blade (12) and the third cutter blade (14) are overlapped on a rotary track; and the tooth holes of the second cutter blade (13) and the fourth cutter blade (15) are overlapped on the rotary track, and are staggered together with the tooth holes in the first cutter blade (12) or the third cutter blade (14) on the rotary track at equal distance. According to the technical scheme disclosed by the invention, not only can the advantage of stably fixing the teeth be achieved, but also the tooth distribution and washing of the drill bit are optimized from the structures, so that the working indexes of the drill bit are greatly improved and the well drilling cost is reduced.
Description
Technical field
The present invention relates to field of oil drilling, especially relate to the jet bit of a kind of four wing insert glomerocryst composite teeth.
Background technology
In the prior art, the patent No.: 200880016630, the title " Mixed drilling bit and drilling method thereof " of patent, is a kind of matrix-type Mixed drilling bit；The patent No.: 2012105525560, patent name " a kind of Mixed drilling bit strengthening heart portion cutting function ".The PDC tooth of above two Mixed drilling bit is all soldering composite teeth permanent tooth (PDC tooth post) technique on manufacturing, and composite teeth post is soldering composite teeth post on carcass or steel body wing circumference mutual pit face and lower surface.This permanent tooth mode works easy to fall off in hot environment.And along with the development of bit technique is also required to constantly optimize its structure.
Summary of the invention
It is an object of the invention to provide the jet bit of a kind of four wing insert glomerocryst composite teeth, not only solve the problem that prior art uses soldering permanent tooth instability, and the cloth tooth and purging system to drill bit optimizes from structure, substantially increase bit performance, reduce drilling cost.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions.
A kind of jet bit of four wing insert glomerocryst composite teeth, including integrated bit matrix and drill bit, it is characterized in that, the first wing, the second wing, the 3rd wing and the 4th wing it is provided with along clockwise direction on described drill bit, each wing is provided with multiple perforation, wherein the perforation on the first wing and the 3rd wing overlaps on rotational trajectory, and the perforation on the second wing and the 4th wing overlaps on rotational trajectory and equidistantly misplaces on rotational trajectory with the perforation on the first wing or the 3rd wing；
In perforation on described each wing, interference is provided with cutting tooth respectively, and on the cutting face of described cutting tooth, sintering has polycrystalline diamond layer；
The inside of described bit matrix is provided with water injection hole, and the end of bit matrix is provided with four oblique water holes communicated with described water injection hole, and each oblique water hole lays respectively between two adjacent wings；Nozzle is installed in described oblique water hole, is provided with nozzle cage between nozzle and tiltedly water hole, between nozzle and nozzle cage, is provided with sealed nozzle circle.
Further, the perforation on described each wing comprises front-seat perforation and heel row perforation, and described front-seat perforation equidistantly misplaces on rotational trajectory with heel row perforation.
Further, described front-seat perforation cuts tooth equipped with main cutting tooth, heel row perforation equipped with pair.
Further, the main cutting number of teeth amount in described front-seat perforation is five, and the secondary cutting number of teeth amount in heel row perforation is four.
Further, described nozzle is interior six side's hard alloy nozzles.
Further, described drill bit is axially provided with by multiple gauge teeth groups near bit matrix position, and described gauge teeth group comprises multiple gauge teeth.
Further, in described gauge teeth group, at least the cutting face sintering of a gauge teeth has polycrystalline diamond layer.
Further, described bit matrix is provided with catching groove.
The present invention is improving bit performance, reduce drilling cost aspect and there is significant beneficial effect: drilled and reamed on (1) present invention each wing face perforation, cutting tooth is pressed into perforation by riveting craft of consolidating teeth of colding pressing, with perforation interference fit, this interference fit is more firm compared with soldering permanent tooth；(2) perforation on each wing of technical solution of the present invention comprises front-seat perforation and heel row perforation, front-seat perforation equidistantly misplaces on rotational trajectory with heel row perforation, and on the adjacent wing of each two, corresponding perforation comes on rotational trajectory is also mutual dislocation, this structure can preferably make the rock of drilling well obtain comprehensive efficiency crushing；(3) technical scheme is for bit gauge protection, and in the gauge teeth group of employing, at least the cutting face sintering of a gauge teeth has polycrystalline diamond layer, has antiwear effect, has good gauge effect；(4) the oblique water hole being provided with between each two adjacent blades, can more comprehensively clean drill bit and carrying and return on the landwaste of shaft bottom.
Accompanying drawing explanation
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural front view of the jet bit of a kind of four wing insert glomerocryst composite teeth of the present invention；
Fig. 2 is Fig. 1 top view.
In figure: 1, drill bit；2, catching groove；3, bit matrix；4, water injection hole；5, oblique water hole；6, gauge teeth；7, sealed nozzle circle；8, nozzle；9, nozzle cage；10, main cutting tooth；11, secondary cutting tooth；12, the first wing；13, the second wing；14, the 3rd wing；15, the 4th wing.
Detailed description of the invention
With reference to Fig. 1, the front view of the jet bit of a kind of four wing insert glomerocryst composite teeth of the present invention.Figure is provided with four wings on drill bit 1 clockwise, drilled and reamed front-seat perforation and heel row perforation on each wing, described front-seat perforation equidistantly misplaces on rotational trajectory with heel row perforation, front-seat perforation is provided with five main cutting teeth 10 by freezing off tooth extruding interference, heel row perforation is provided with five secondary cutting teeth 11 by freezing off tooth extruding interference, this interference fit is more firm compared with soldering permanent tooth, all having sintered polycrystalline diamond layer on the cutting face of both cutting teeth, wearability is the best.
Top view in conjunction with Fig. 2, Fig. 1.In figure, the perforation on the first wing 12 and the 3rd wing 14 overlaps on rotational trajectory, and the perforation on the second wing 13 and the 4th wing 15 overlaps on rotational trajectory and equidistantly misplaces on rotational trajectory with the perforation on the first wing 12 or the 3rd wing 14.The cloth tooth that staggers on this four wings can make institute's well-drilling bottom rock obtain comprehensive efficiency crushing, substantially increases bit performance, reduces drilling cost.
In Fig. 1, the axle portion of bit matrix 3 is provided with for spacing catching groove 2, and the inside of bit matrix 3 is provided with water injection hole 4, and the end of bit matrix 3 is provided with four oblique water holes 5 communicated with described water injection hole 4, and each oblique water hole 5 lays respectively between two adjacent wings；Nozzle 8 is tiltedly installed in water hole 5, is provided with nozzle cage 9 between nozzle 8 and tiltedly water hole 5, between nozzle 8 and nozzle cage 9, is provided with sealed nozzle circle 7.From slurry jet bottom-hole cleaning landwaste and two kinds of cutting teeth of nozzle 8 ejection, improve the working index of drill bit, reduce drilling cost.
In view of the requirement of bit gauge protection, being axially provided with the gauge teeth group being made up of multiple gauge teeths 6 near bit matrix position at drill bit, in gauge teeth group, at least the cutting face sintering of a gauge teeth 6 has polycrystalline diamond layer.This gauge teeth group structure has antiwear effect, and its gauge effect is the best.
The present invention is improving bit performance, reduce drilling cost aspect and there is significant beneficial effect: drilled and reamed on (1) present invention each wing face perforation, cutting tooth is pressed into perforation by riveting craft of consolidating teeth of colding pressing, with perforation interference fit, this interference fit is more firm compared with soldering permanent tooth；(2) perforation on each wing of technical solution of the present invention comprises front-seat perforation and heel row perforation, front-seat perforation equidistantly misplaces on rotational trajectory with heel row perforation, and on the adjacent wing of each two, corresponding perforation comes on rotational trajectory is also mutual dislocation, this structure can preferably make the rock of drilling well obtain comprehensive efficiency crushing；(3) technical scheme is for bit gauge protection, and in the gauge teeth group of employing, at least the cutting face sintering of a gauge teeth has polycrystalline diamond layer, has antiwear effect, has good gauge effect；(4) the oblique water hole being provided with between each two adjacent blades, can more comprehensively clean drill bit and carrying and return on the landwaste of shaft bottom.
Obviously, those skilled in the art can carry out various change and deform without departing from the spirit and scope of the present invention the present invention.So, if within the scope of these changes of the present invention and deformation belong to the claims in the present invention and equivalent technologies thereof, then the present invention also comprises these change and modification.
Claims (8)
1. a jet bit for four wing insert glomerocryst composite teeth, including integrated bit matrix
(3) and drill bit (1), it is characterised in that described drill bit sets on (1) along clockwise direction
There are the first wing (12), the second wing (13), the 3rd wing (14) and the 4th wing (15), each
Wing is provided with multiple perforation, and wherein the perforation on the first wing (12) and the 3rd wing (14) is in rotation
Overlapping on transition mark, the perforation on the second wing (13) and the 4th wing (15) is weight on rotational trajectory
Close and equidistantly misplace on rotational trajectory with the perforation on the first wing (12) or the 3rd wing (14)；
In perforation on described each wing, interference is provided with cutting tooth, the cutting face of described cutting tooth respectively
Upper sintering has polycrystalline diamond layer；
The inside of described bit matrix (3) is provided with water injection hole (4), and the end of bit matrix (3) is provided with
Four oblique water holes (5) communicated with described water injection hole (4), each oblique water hole (5) lays respectively at two
Between adjacent wing；Nozzle (8), nozzle (8) and oblique water hole are installed in described oblique water hole (5)
(5) it is provided with nozzle cage (9) between, between nozzle (8) and nozzle cage (9), is provided with sealed nozzle circle (7).
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 1, its feature
Being, the perforation on described each wing comprises front-seat perforation and heel row perforation, described front-seat perforation with after
Toothrow hole equidistantly misplaces on rotational trajectory.
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 2, its feature
Being, described front-seat perforation cuts tooth (11) equipped with main cutting tooth (10), heel row perforation equipped with pair.
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 3, its feature
Being, main cutting tooth (10) quantity in described front-seat perforation is five, the secondary cutting in heel row perforation
Tooth (11) quantity is four.
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 1, its feature
Being, described nozzle (8) is interior six side's hard alloy nozzles.
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 1, its feature
Being, described drill bit (1) is axially provided with by multiple gauge teeths near bit matrix (3) position
Group, described gauge teeth group comprises multiple gauge teeth (6).
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 6, its feature
Being, in described gauge teeth group, at least the cutting face sintering of a gauge teeth (6) has polycrystalline diamond
Layer.
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 1, its feature
Being, described bit matrix (3) is provided with catching groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378126.1A CN105863516A (en) | 2016-05-31 | 2016-05-31 | Spraying type drill bit of four-cutter-blade embedded polycrystalline compound tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378126.1A CN105863516A (en) | 2016-05-31 | 2016-05-31 | Spraying type drill bit of four-cutter-blade embedded polycrystalline compound tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105863516A true CN105863516A (en) | 2016-08-17 |
Family
ID=56643156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610378126.1A Pending CN105863516A (en) | 2016-05-31 | 2016-05-31 | Spraying type drill bit of four-cutter-blade embedded polycrystalline compound tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105863516A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386237A (en) * | 2018-11-19 | 2019-02-26 | 三原石油钻头厂 | A kind of multitool wing drill bit of insert floating composite teeth |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0151537A2 (en) * | 1984-01-31 | 1985-08-14 | Nl Industries Inc. | Improved drill bit and cutter therefor |
| CN202659154U (en) * | 2012-06-04 | 2013-01-09 | 刘新军 | Cold fixed PDC (Polycrystalline Diamond Compound) sheet drill bit |
| CN103410448A (en) * | 2013-08-23 | 2013-11-27 | 陕西金刚石油机械有限公司 | O-shaped loop and metal ring two-way combined sealed oil storage single-cone bit |
| CN203383735U (en) * | 2013-08-15 | 2014-01-08 | 任丘市华北石油金锐达钻采设备有限公司 | Four-blade steel body diamond drill bit |
| CN203961798U (en) * | 2014-07-30 | 2014-11-26 | 大庆天瑞机械制造有限公司 | Four blade wing combination tooth polycrystalline diamond compact bit |
| CN205778559U (en) * | 2016-05-31 | 2016-12-07 | 陕西金刚石油机械有限公司 | A kind of jet bit of four wing insert glomerocryst composite teeth |
-
2016
- 2016-05-31 CN CN201610378126.1A patent/CN105863516A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0151537A2 (en) * | 1984-01-31 | 1985-08-14 | Nl Industries Inc. | Improved drill bit and cutter therefor |
| CN202659154U (en) * | 2012-06-04 | 2013-01-09 | 刘新军 | Cold fixed PDC (Polycrystalline Diamond Compound) sheet drill bit |
| CN203383735U (en) * | 2013-08-15 | 2014-01-08 | 任丘市华北石油金锐达钻采设备有限公司 | Four-blade steel body diamond drill bit |
| CN103410448A (en) * | 2013-08-23 | 2013-11-27 | 陕西金刚石油机械有限公司 | O-shaped loop and metal ring two-way combined sealed oil storage single-cone bit |
| CN203961798U (en) * | 2014-07-30 | 2014-11-26 | 大庆天瑞机械制造有限公司 | Four blade wing combination tooth polycrystalline diamond compact bit |
| CN205778559U (en) * | 2016-05-31 | 2016-12-07 | 陕西金刚石油机械有限公司 | A kind of jet bit of four wing insert glomerocryst composite teeth |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386237A (en) * | 2018-11-19 | 2019-02-26 | 三原石油钻头厂 | A kind of multitool wing drill bit of insert floating composite teeth |
| CN109386237B (en) * | 2018-11-19 | 2024-04-30 | 三原石油钻头厂 | Multi-blade drill bit inlaid with floating composite teeth |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |