CN205778559U - A kind of jet bit of four wing insert glomerocryst composite teeth - Google Patents
A kind of jet bit of four wing insert glomerocryst composite teeth Download PDFInfo
- Publication number
- CN205778559U CN205778559U CN201620517839.7U CN201620517839U CN205778559U CN 205778559 U CN205778559 U CN 205778559U CN 201620517839 U CN201620517839 U CN 201620517839U CN 205778559 U CN205778559 U CN 205778559U
- Authority
- CN
- China
- Prior art keywords
- wing
- perforation
- bit
- teeth
- nozzle
- 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.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses the jet bit of a kind of four wing insert glomerocryst composite teeth, including integrated bit matrix (3) and drill bit (1), the first wing (12) it is provided with along clockwise direction on described drill bit (1), second wing (13), 3rd wing (14) and the 4th wing (15), each wing is provided with multiple perforation, wherein the perforation on the first wing (12) and the 3rd wing (14) overlaps on rotational trajectory, perforation on 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).This technical scheme not only has the advantage that teeth consolidating is stable, and the cloth tooth and cleaning to drill bit optimizes from structure, substantially increases bit performance, reduces drilling cost.
Description
Technical field
This utility model relates to field of oil drilling, especially relates to a kind of four wing insert glomerocryst composite teeth
Jet bit.
Background technology
In the prior art, the patent No.: 200880016630, title " Mixed drilling bit and the brill thereof of patent
Enter method ", it is a kind of matrix-type Mixed drilling bit；The patent No.: 2012105525560, patent name "
Plant the Mixed drilling bit of strengthening heart portion cutting function ".The PDC tooth of above two Mixed drilling bit is all on manufacturing
Soldering composite teeth teeth consolidating (PDC tooth post) technique, it is the most recessed at carcass or steel body wing circumference for closing tooth post
On pitted surface and lower surface, tooth post is closed in soldering.This teeth consolidating mode works easy to fall off in hot environment.And
And along with the development of bit technique is also required to constantly optimize its structure.
Summary of the invention
The purpose of this utility model is to provide the jet bit of a kind of four wing insert glomerocryst composite teeth, no
Address only prior art and use the unstable problem of soldering teeth consolidating, and to the cloth tooth of drill bit and cleaning
System optimizes from structure, substantially increases bit performance, reduces drilling cost.
For reaching above-mentioned purpose, this utility model 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 characterised in that be provided with along clockwise direction on described drill bit the first wing, second
Wing, the 3rd wing and the 4th wing, each wing is provided with multiple perforation, wherein the first wing and
Perforation on three wings overlaps on rotational trajectory, and the perforation on the second wing and the 4th wing is at rotation rail
Overlap on mark and equidistantly misplace 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, the cutting face of described cutting tooth respectively
Upper 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 and described water filling
The oblique water hole that hole communicates, each oblique water hole lays respectively between two adjacent wings；In described oblique water hole
Nozzle is installed, is provided with nozzle cage between nozzle and tiltedly water hole, is provided with nozzle between nozzle and nozzle cage close
Seal.
Further, the perforation on described each wing comprises front-seat perforation and heel row perforation, described front row
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 pair in heel row perforation is cut
Cutting number of teeth amount is four.
Further, described nozzle is interior six side's hard alloy nozzles.
Further, described drill bit is axially provided with near bit matrix position by multiple gauge teeth groups,
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 glomerocryst gold
Hard rock layer.
Further, described bit matrix is provided with catching groove.
This utility model is improving bit performance, reduces drilling cost aspect and has significant useful effect
Really: drilled and reamed on (1) this utility model each wing face perforation, cutting tooth is by riveting craft of consolidating teeth of colding pressing
Being pressed into perforation, with perforation interference fit, this interference fit is more firm compared with soldering teeth consolidating；(2)
Perforation on each wing of technical solutions of the utility model comprises front-seat perforation and heel row perforation, front toothrow
Hole equidistantly misplaces on rotational trajectory with heel row perforation, and perforation row corresponding on the adjacent wing of each two
Also being mutual dislocation on rotational trajectory, this structure can preferably make the rock of drilling well obtain comprehensively
Efficiency crushing；(3) the technical solution of the utility model is for bit gauge protection, in the gauge teeth group of employing extremely
The cutting face sintering of a rare gauge teeth has polycrystalline diamond layer, has antiwear effect, has very
Good gauge effect；(4) the oblique water hole being provided with between each two adjacent blades, can be more comprehensive
Clean drill bit and carrying to return on the landwaste of shaft bottom.
Accompanying drawing explanation
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structure master of the jet bit of a kind of four wing insert glomerocryst composite teeth of the present utility model
View；
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 master of the jet bit of a kind of four wing insert glomerocryst composite teeth of the present utility model regards
Figure.Figure is provided with four wings on drill bit 1 clockwise, the front row that drilled and reamed on each wing
Perforation and heel row perforation, described front-seat perforation equidistantly misplaces on rotational trajectory with heel row perforation, front toothrow
Hole is provided with five main cutting teeth 10 by freezing off tooth extruding interference, and heel row perforation extruded by freezing off tooth
Being full of and be provided with five secondary cutting teeth 11, this interference fit is more firm compared with soldering teeth consolidating, this
All having sintered polycrystalline diamond layer on the cutting face of two kinds of 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 is in rotation
Transition mark on overlap, the perforation on the second wing 13 and the 4th wing 15 overlap on rotational trajectory and with
Perforation on first wing 12 or the 3rd wing 14 equidistantly misplaces on rotational trajectory.This four wings
On the cloth tooth that staggers institute's well-drilling bottom rock can be made to obtain comprehensive efficiency crushing, be greatly improved bit performance,
Reduce 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, the end of bit matrix 3 is provided with four oblique water holes 5 communicated with described water injection hole 4, each
Tiltedly water hole 5 lays respectively between two adjacent wings；Nozzle 8 is tiltedly installed in water hole 5, nozzle 8 with
Tiltedly it is provided with nozzle cage 9 between water hole 5, between nozzle 8 and nozzle cage 9, is provided with sealed nozzle circle 7.From spray
The slurry jet bottom-hole cleaning landwaste of mouth 8 ejection and two kinds of cutting teeth, improve the working index of drill bit,
Reduce drilling cost.
In view of the requirement of bit gauge protection, axially it is provided with by many near bit matrix position at drill bit
The gauge teeth group that individual gauge teeth 6 is constituted, in gauge teeth group, at least the cutting face of a gauge teeth 6 sinters
There is polycrystalline diamond layer.This gauge teeth group structure has antiwear effect, and its gauge effect is the most more
Good.
This utility model is improving bit performance, reduces drilling cost aspect and has significant useful effect
Really: drilled and reamed on (1) this utility model each wing face perforation, cutting tooth is by riveting craft of consolidating teeth of colding pressing
Being pressed into perforation, with perforation interference fit, this interference fit is more firm compared with soldering teeth consolidating；(2)
Perforation on each wing of technical solutions of the utility model comprises front-seat perforation and heel row perforation, front toothrow
Hole equidistantly misplaces on rotational trajectory with heel row perforation, and perforation row corresponding on the adjacent wing of each two
Also being mutual dislocation on rotational trajectory, this structure can preferably make the rock of drilling well obtain comprehensively
Efficiency crushing；(3) the technical solution of the utility model is for bit gauge protection, in the gauge teeth group of employing extremely
The cutting face sintering of a rare gauge teeth has polycrystalline diamond layer, has antiwear effect, has very
Good gauge effect；(4) the oblique water hole being provided with between each two adjacent blades, can be more comprehensive
Clean drill bit and carrying to return on the landwaste of shaft bottom.
Obviously, those skilled in the art can carry out various change and deformation to this utility model and not take off
From spirit and scope of the present utility model.So, if of the present utility model these change and deformation belongs to
Within the scope of this utility model claim and equivalent technologies thereof, then this utility model also comprises these changes
With including 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 |
|---|---|---|---|
| CN201620517839.7U CN205778559U (en) | 2016-05-31 | 2016-05-31 | A kind of jet bit of four wing insert glomerocryst composite teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620517839.7U CN205778559U (en) | 2016-05-31 | 2016-05-31 | A kind of jet bit of four wing insert glomerocryst composite teeth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205778559U true CN205778559U (en) | 2016-12-07 |
Family
ID=58138746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620517839.7U Active CN205778559U (en) | 2016-05-31 | 2016-05-31 | A kind of jet bit of four wing insert glomerocryst composite teeth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205778559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863516A (en) * | 2016-05-31 | 2016-08-17 | 陕西金刚石油机械有限公司 | Spraying type drill bit of four-cutter-blade embedded polycrystalline compound tooth |
-
2016
- 2016-05-31 CN CN201620517839.7U patent/CN205778559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863516A (en) * | 2016-05-31 | 2016-08-17 | 陕西金刚石油机械有限公司 | Spraying type drill bit of four-cutter-blade embedded polycrystalline compound tooth |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109057715A (en) | A kind of compound PDC speed-raising drill bit cutting hardpan | |
| CN205977105U (en) | Anti -sticking bores diamond bit | |
| CN104879065A (en) | PDC (polycrystalline diamond compact) bit suitable for gravel formation drilling | |
| CN110067516B (en) | Quick impact-scraping and cutting combined rock breaking PDC drill bit | |
| CN205778559U (en) | A kind of jet bit of four wing insert glomerocryst composite teeth | |
| CN206000471U (en) | A kind of preventing sticking PDC drill bit | |
| CN104612594B (en) | A kind of drill bit in string-like water hole | |
| CN107747473B (en) | Insert cone hybrid bit | |
| CN212508083U (en) | Wear-resisting mixed drill bit that reinforces of gauge diameter | |
| CN203756048U (en) | Mixed assembly petroleum drilling polycrystalline diamond compact (PDC) drill bit | |
| CN201193483Y (en) | PDC drill with double-row cutting tooth | |
| CN208816050U (en) | A kind of diamond bit for total cost management | |
| CN204920809U (en) | Mud drum drill bit is prevented to little hydrophthalmia | |
| CN205778557U (en) | A kind of five wing steel body type PDC drill bit of band cutting pair tooth | |
| CN201802398U (en) | Hard rock boring machine | |
| CN105863516A (en) | Spraying type drill bit of four-cutter-blade embedded polycrystalline compound tooth | |
| CN208456542U (en) | Drilling well neck eye type reaming tool | |
| CN107701112B (en) | A high-efficient PDC drill bit for geological drilling | |
| CN105672890B (en) | One kind aspirates the core drilling drill bit that declines | |
| CN206071461U (en) | A kind of drill bit with open water hole | |
| CN205895150U (en) | Diversified PDC drill bit that back row tooth can wholly be dismantled | |
| CN205713984U (en) | Before and after Yi Zhong, injecting type glomerocryst is combined single-cone rotary drill bit | |
| CN202483457U (en) | 8.375-inch-long eight-scraper polycrystalline diamond compact (PDC) coring bit | |
| CN105443044B (en) | A kind of circulation penetrates suction and subtracts confined pressure drill bit | |
| CN211397463U (en) | Diamond bit with sinking surface on blade |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |