CN105927159A - Polycrystalline diamond compact (PDC) bit - Google Patents
Polycrystalline diamond compact (PDC) bit Download PDFInfo
- Publication number
- CN105927159A CN105927159A CN201610404533.5A CN201610404533A CN105927159A CN 105927159 A CN105927159 A CN 105927159A CN 201610404533 A CN201610404533 A CN 201610404533A CN 105927159 A CN105927159 A CN 105927159A
- Authority
- CN
- China
- Prior art keywords
- shovel
- cutting
- drill bit
- pdc drill
- annular protrusion
- 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.)
- Granted
Links
- 229910003460 diamond Inorganic materials 0.000 title abstract description 8
- 239000010432 diamond Substances 0.000 title abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 107
- 239000011159 matrix material Substances 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000036346 tooth eruption Effects 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 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
- E21B10/46—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
- E21B10/42—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
- E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
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 provides a polycrystalline diamond compact (PDC) bit. The PDC bit comprises a bit body, cutting blades, annular protrusions and cutting teeth, wherein the cutting blades are arranged on the crown of the bit body; the annular protrusions are annular as a whole or comprise multiple sections on a circumference and protrude from the top face of the crown; the cutting teeth are arranged on the cutting blades or arranged on the cutting blades and the annular protrusions. The PDC bit provided by the invention comprises the annular protrusions which can be annular as a whole or comprise multiple sections on the circumference, and the annular protrusions enable the PDC bit to keep a circular track while rotating, so that polygonal impact force is eliminated, and the cutting stability of the PDC bit is improved.
Description
Technical field
This invention relates generally to a kind of petroleum drilling technology, in particular to a kind of PDC drill bit.
Background technology
PDC drill bit, it is simply that polycrystalline diamond compact bit, i.e. Polycrystalline Diamond
Compact Bit.Traditional diamond bit is typically provided with 3-8 wing, the diamond drill of this structure
Head contributes for oil exploitation and exploration engineering.
But, PDC drill bit generally uses tungsten carbide or steel body to be matrix, adds viscous for raw material with diamond
Knot agent at high temperature sinters and forms.Due to the existence of multiple material, PDC drill bit heat stability is poor, with
Time fragility relatively strong, the ability of the load that experiences a shock is poor.
Suitably increase the quantity of cutting wing, the stability of PDC drill bit when cutting stratum, can be improved,
Reduce shock loading, thus protect dimond synneusis layer, extend the service life of PDC drill bit.Such as but
It is not limited to from 3, the quantity of cutting wing is increased to 6, so that PDC drill bit is cut close to circular contour
Cut.But too much increase the quantity of cutting wing, however it remains following shortcoming and defect: be 1. drill bit still in
Polygonal profile impact stratum, every time during cutting stratum, all can produce shock loading, so that diamond
Composite sheet is damaged；2. runner volume, easy mud drum are decreased while increasing cutting wing quantity.
Summary of the invention
Introducing the concept of a series of reduced form in Summary, this will be in detailed description of the invention
Part further describes.Present invention part is not meant to attempt to limit required guarantor
The key feature of the technical scheme protected and essential features, more do not mean that attempt to determine claimed
The protection domain of technical scheme.
One main purpose of the present invention is to overcome at least one defect of above-mentioned prior art, it is provided that one
Plant PDC drill bit, to improve the cutting stability of PDC drill bit.
For achieving the above object, the present invention adopts the following technical scheme that
According to an aspect of the invention, it is provided a kind of PDC drill bit, wherein said PDC drill bit bag
Including drill body, cutting wing, annular protrusion and cutting tooth, described cutting wing is arranged at described brill
The bizet of head body；Described annular protrusion is integral ring-shaped or includes the multistage being positioned on a circumference, institute
State annular protrusion to be protruded by described bizet end face；Described cutting tooth be arranged at described cutting wing or described in cut
On the sharpener wing and described annular protrusion.
According to an embodiment of the present invention, wherein said annular protrusion prolongs along the circumferencial direction of described bizet
Stretch, the neighboring of the described bizet of neighboring alignment of described annular protrusion.
According to an embodiment of the present invention, wherein said annular protrusion is identical with described cutting wing height.
According to an embodiment of the present invention, wherein said annular protrusion is provided with described cutting tooth and water
Eye, the cutting direction of the described cutting tooth along described annular protrusion, described hydrophthalmia is arranged at described cutting
The front of tooth.
According to an embodiment of the present invention, wherein said annular protrusion is multistage, each described annular protrusion
One end with described in one cut side, wing outer end is connected, the other end of each described annular protrusion and another described in
Cutting has gap between side, wing outer end.
According to an embodiment of the present invention, wherein said annular protrusion is multistage, and described annular protrusion sets
Be placed between adjacent two described cutting wing, and the two ends of described annular protrusion respectively with described in two
The corresponding side of cutting wing connects.
According to an embodiment of the present invention, wherein said PDC drill bit also includes being arranged at adjacent described
The hydrophthalmia of cutting edge interplane, is provided with nozzle in described hydrophthalmia, described nozzle connects with water source.
According to an embodiment of the present invention, wherein said drill body is internally provided with water cavity, described water
Chamber connects with described hydrophthalmia.
According to an embodiment of the present invention, wherein said PDC drill bit also includes gauge teeth, described gauge
Tooth is arranged on the outer peripheral face of described bizet.
According to an embodiment of the present invention, wherein said cutting tooth includes the matrix of column structure, described
The end of matrix is formed to be shoveled into portion, and described shovel includes the first side and shovel face, described first side into portion
Wall along described matrix extends；Described shovel face is from the wall of the described matrix relative with described first side
Tilt to extend to described first side, to form a point with seamed edge at described first side
End, described seamed edge is the main edge of shovel, and wherein said shovel mask has shovel top and the shovel end, base described in described shovel apex distance
The distance of the bottom surface of body is shovel heights of roofs, and the distance of bottom surface away from described matrix at the bottom of described shovel is shovel end height,
Described shovel heights of roofs is more than height at the bottom of described shovel.
As shown from the above technical solution, the advantage of the PDC drill bit of the present invention and have the active effect that this
The PDC drill bit of bright offer includes annular protrusion, and this annular protrusion could be arranged to integral ring-shaped structure, also
Could be arranged to the multistage loop configuration including being positioned on a circumference, this annular protrusion makes PDC drill bit revolve
Track can be held round when turning, to eliminate polygon impulsive force, improve the cutting stability of PDC drill bit.
Accompanying drawing explanation
By being considered in conjunction with the accompanying following the following detailed description of the embodiment of the present invention, the present invention's is each
Plant target, feature and advantage will become apparent from.Accompanying drawing is only the exemplary diagram of the present invention,
It is not necessarily drawn to scale.In the accompanying drawings, same reference represents same or similar all the time
Parts.Wherein:
Fig. 1 is the top view according to a kind of PDC drill bit shown in an illustrative embodiments.
Fig. 2 is the side view of the PDC drill bit in Fig. 1.
Fig. 3 is the opposite side view of the PDC drill bit in Fig. 1.
Fig. 4 is the top view according to a kind of PDC drill bit shown in an illustrative embodiments.
Fig. 5 is the A-A sectional view of the PDC drill bit in Fig. 4.
Fig. 6 is the B-B partial sectional view of the PDC drill bit in Fig. 4.
Fig. 7 is the top view according to a kind of PDC drill bit shown in an illustrative embodiments.
Fig. 8 is the C-C partial sectional view of the PDC drill bit in Fig. 7.
Fig. 9 is the D-D partial sectional view of the PDC drill bit in Fig. 7.
Figure 10 is that the master according to a kind of structural representation cutting tooth shown in an illustrative embodiments regards
Figure.
Figure 11 is the side view of the cutting toothing schematic diagram in Figure 10.
Figure 12 is the schematic diagram of the duty of the cutting tooth in Figure 10.
Figure 13 is the longitudinal sectional drawing of the cutting tooth in Figure 12.
Wherein, description of reference numerals is as follows:
In figure: 1, drill body；2, annular protrusion；3, cutting tooth；4, hydrophthalmia；5, water cavity；6、
Cutting wing；7, gauge teeth.
Detailed description of the invention
It is described more fully with example embodiment referring now to accompanying drawing.But, example embodiment can
Implement in a variety of forms, and be not understood as limited to embodiment set forth herein；On the contrary, it is provided that this
A little embodiments make the present invention will fully and completely, and the design of example embodiment are passed on all sidedly
To those skilled in the art.Reference identical in figure represents same or similar structure, thus will
Omit their detailed description.
According to an aspect of the invention, it is provided a kind of PDC drill bit, wherein PDC drill bit includes boring
Head body 1, cutting wing 6, annular protrusion 2 and cutting tooth 3, cutting wing 6 is arranged at drill bit originally
The bizet of body 1；Annular protrusion 2 is integral ring-shaped or includes the multistage being positioned on a circumference, convex annular
Portion 2 is protruded by bizet end face；Cutting tooth 3 is arranged at cutting wing 6 or cutting wing 6 and annular protrusion
On 2.
The top view of the PDC drill bit that Fig. 1 provides for one embodiment of the present invention.Fig. 2 is Fig. 1
In the side view of PDC drill bit.Fig. 3 is the opposite side view of the PDC drill bit in Fig. 1.Fig. 4 is
The top view of the PDC drill bit that another embodiment of the invention provides.Fig. 7 is according to an exemplary reality
Execute the top view of a kind of PDC drill bit shown in mode.The present invention provides a kind of PDC drill bit, this PDC
Drill bit includes annular protrusion 2, referring to figs. 1 through Fig. 4 and Fig. 7.Annular protrusion 2 can be to be arranged at drill bit
The integral circular shape structure of body 1 bizet, as shown in Figure 1 and Figure 4；Can also be for being arranged at drill bit originally
Spaced multiple arc section structures of body 1 bizet, are fan arc such as but not limited to annular protrusion 2
Structure, as it is shown in fig. 7, this arc section structure can be multiple and be uniformly distributed and drill body 1 bizet.
Owing to annular protrusion 2 is circumferentially extending, when PDC drill bit runs, rotational trajectory can be circular
Track, such that it is able to eliminate polygon impulsive force, to improve the service life of PDC drill bit.
It is understood that drill body 1 can be those skilled in the art it is conceivable that material make,
It is made up of steel body such as but not limited to drill body 1.The bizet of drill body 1 can be arranged as required to
For being of different sizes, it can be appointing between 5 inches-17 inches such as but not limited to bizet size
Meaning value.Cutting wing 6 can be arranged as required to as any amount, such as but not limited to cutting wing 6
Can be 6,7 or 8.
Fig. 5 is the A-A sectional view of the PDC drill bit in Fig. 4.Fig. 6 is the PDC drill bit in Fig. 4
B-B partial sectional view.Fig. 8 is the C-C partial sectional view of the PDC drill bit in Fig. 7.Fig. 9 is Fig. 7
In the D-D partial sectional view of PDC drill bit.As one embodiment of the present invention, wherein convex annular
Portion 2 extends along the circumferencial direction of bizet, it is to be understood that can having the most partly of annular protrusion 2
Footpath, as long as the bizet of drill body 1 can be arranged at, the most within the scope of the present invention, such as but
It is not limited to the neighboring of the neighboring alignment bizet of annular protrusion 2.It is understood that in these feelings
Under condition, the outside dimension of annular protrusion 2 is identical with the outside dimension of bizet.
In order to not affect the cutting operation of PDC drill bit, the height of annular protrusion 2 can be set smaller than
Or the height equal to cutting wing 6, it is to be understood that highly can be defined as annular protrusion 2
The end face of end face or cutting wing 6 is relative to the distance of PDC drill bit bottom surface, as an enforcement of the present invention
Mode, wherein annular protrusion 2 is the most identical, as shown in Fig. 6 and Fig. 9 with cutting wing 6.
In order to improve cutting effect, the quantity of cutting tooth 3 can be increased, as an embodiment party of the present invention
Formula, wherein can arrange cutting tooth 3 and hydrophthalmia 4 on annular protrusion 2, in order to carry out cutting position
Cleaning, annularly the cutting direction of the cutting tooth 3 on protuberance 2, can be arranged at cutting tooth by hydrophthalmia 4
The front of 3.The quantity of the hydrophthalmia 4 on drill bit can be chosen as multiple as required, such as but not limited to
The quantity of hydrophthalmia 4 can be 4-40.
As one embodiment of the present invention, wherein annular protrusion 2 is multi-section circular arc shape structure, each annular
Protuberance 2 one end is connected with an outer end side surface of the cutting edge wing 6, and the other end of each annular protrusion 2 is cut with another
There is gap, as shown in Figure 7 between the outer end side surface of the sharpener wing 6.It is understood that cutting wing 6
Being outer end near one end of bizet outer peripheral face, one end of the close bizet center of cutting wing 6 is interior
End.With reference to Fig. 7, annular protrusion 2 can be fan arcuate structure, and this fan arc annular protrusion 2 is arranged at
Between two adjacent cutting wings 6, and one end of fan arc extends from the side of a cutting wing 6,
Between the other end and another cutting wing 6 of fan arc, there is gap.It is understood that cutting edge
The wing 6 and the fan arcuate structure being connected with its side can form cutting unit, and the bizet of PDC drill bit is permissible
It is evenly arranged with this cutting unit multiple.
As one embodiment of the present invention, wherein annular protrusion 2 is arranged at adjacent two cutting wing
Between 6, and the side connection that the two ends of annular protrusion 2 are corresponding with two cutting wings 6 respectively.
It is understood that adjacent two cutting wings 6 and the ring between these two cutting wings 6
Shape protuberance 2 forms cutting unit, and the bizet of PDC drill bit can be evenly arranged with this cutting unit multiple.
As one embodiment of the present invention, wherein PDC drill bit also includes being arranged at adjacent cutting wing
Hydrophthalmia 4 between 6, is provided with nozzle in hydrophthalmia 4, nozzle connects with water source.
With reference to Fig. 5 and Fig. 6 and Fig. 8 and Fig. 9, as one embodiment of the present invention, wherein drill bit
Body 1 is internally provided with water cavity 5, and water cavity 5 connects with hydrophthalmia 4.
With reference to Fig. 2 and Fig. 3, as one embodiment of the present invention, wherein PDC drill bit also includes gauge
Tooth 7, gauge teeth 7 is arranged on the outer peripheral face of bizet.
Figure 10 is that the master according to a kind of structural representation cutting tooth shown in an illustrative embodiments regards
Figure.Figure 11 is the side view of the cutting toothing schematic diagram in Figure 10.Figure 12 is the cutting in Figure 10
The schematic diagram of the duty of tooth.Figure 13 is the longitudinal sectional drawing of the cutting tooth in figure Figure 12.
With reference to Figure 10 to Figure 13, as one embodiment of the present invention, wherein cutting tooth 3 includes cylinder
The matrix of structure, the end of matrix is formed to be shoveled into portion, shovels and includes the first side and shovel face into portion, and first
Side extends along the wall of matrix；Incline to the first side from the wall of the matrix relative with the first side in shovel face
Tiltedly extending, to form a tip with seamed edge at the first side, seamed edge is the main edge of shovel, its
Middle shovel mask has shovel top and the shovel end, and the distance of the bottom surface of shovel apex distance matrix is shovel heights of roofs, and the shovel end is away from matrix
Bottom surface distance for shovel end height, shovel heights of roofs more than shovel end height.Can be provided with on PDC drill bit
Multiple cutting teeth, such as but not limited to more than or equal to 10.As required cutting tooth 3 can be arranged
For having different size, such as but not limited to a diameter of 10mm-25mm of cutting tooth 3, this cutting tooth 3
The distance of the bottom surface away from drill body 1 can be 5mm-20mm.Except this, cutting tooth 3 can be cylinder
Shape or cone, this cutting tooth 3 can be arranged on cutting wing 6 and/or annular protrusion 2.
It is understood that cutting tooth 3 can include the matrix of column structure, it will also be appreciated that
The structure of matrix can be Elliptic Cylinder, square cylinder or those skilled in the art it is conceivable that other posts
Body structure is all within the scope of the present invention, can be cylinder such as but not limited to matrix of the present invention
The matrix of shape, the diameter of this matrix may be selected to be 10mm to 25mm.
The end of matrix is formed to be shoveled into portion, in order to improve the hardness of cutting tooth, shovels on the outer surface in portion
It is provided with glomerocryst layer, shovels and include into portion: the first side that the wall along matrix extends；In the first side
Top is formed with the main edge of shovel, and the main edge of shovel is a part for the first side；From the main edge of shovel to relative with the main edge of shovel
The wall of matrix tilt extension and be formed with shovel face, wherein shovel mask has shovel top and the shovel end, this main edge of shovel institute
Position for shovel top, shovel apex distance matrix bottom surface distance for shovel heights of roofs, be 180 degree with the main edge of shovel
The wall of the matrix of angle is the shovel end, and the distance of the shovel bottom surface away from matrix, the end is shovel end height, shovels heights of roofs
More than shovel end height.
The first side defined in this specification, is considered as from the upwardly extending one side in matrix side,
The surface of the most corresponding matrix in the first side, in order to for forming the shovel face of the main edge of shovel and inclination, from
And form a shovel being tilted towards side and enter portion, described shovel into portion can be wedge structure.Due to this shovel into
Portion is wedge structure, and after abrasion, this shovels, and to remain to keep the main edge of shovel and rock stratum to have into portion less
Contact area, thus extend cutting tooth service life.
Shovel face extends to the wall of the matrix of the angle with this main edge of shovel being 180 degree from the main edge of shovel and is formed, can
To be understood by, shovel face is formed as shoveling into the end face in portion or shovels the part of the end face into portion.Should using
During cutting tooth, the main edge of shovel is inserted in rock stratum, and shovel bread wraps up in the fragment that cutting is formed, therefore this cutting tooth
Cutting way be referred to as shovelling cutting.It is understood that the main edge of shovel can be the top of the first side
A part, this main edge of shovel is little with the contact area of rock stratum, cutting condition of equivalent thickness rock stratum in the case of,
Cutting pressure can be kept constant or there is the least change.Further, since the connecing of the main edge of shovel and rock stratum
Contacting surface is amassed little, makes this main edge of shovel easily shovel into rock stratum and is split rock stratum, improve cutting speed.
It is understood that shovel face can be arbitrary structures, can be to matrix such as but not limited to shovel face
The concave surface of inner recess or the convex surface prominent to matrix outer.It is curved surface or by many such as but not limited to shovel face
Individual plane forms.The shovel face that one embodiment of the present invention provides can be convex surface outwardly, should
Convex surface can have multiple have different tilt slope plane connect and formed, the present invention claims had by multiple
It is multistage face that the plane of different inclination slopes connects the face formed so that the main edge of shovel is to shovel the top into portion.
It is understood that shovel face can be curved surface outwardly, it is also possible to for the curved surface caved inward, also
Can be the multistage face caved inward, it is also possible to for multistage face outwardly.
Feature, structure or characteristic described in the invention can be combined in any suitable manner one or
In more embodiments.In the following description, it is provided that many details thus be given the present invention's
Fully understanding of embodiment.It will be appreciated, however, by one skilled in the art that can put into practice the present invention's
Technical scheme and do not have in described specific detail one or more, or can use other method,
Assembly, material etc..In other cases, it is not shown in detail or describes known features, material or operation
To avoid fuzzy each aspect of the present invention.
Claims (10)
1. a PDC drill bit, it is characterised in that described PDC drill bit includes:
Drill body；
Cutting wing, described cutting wing is arranged at the bizet of described drill body；
Annular protrusion, described annular protrusion is integral ring-shaped or includes the multistage being positioned on a circumference, described
Annular protrusion is protruded by described bizet end face；
Cutting tooth, described cutting tooth is arranged at described cutting wing or described cutting wing and described annular protrusion
On.
2. PDC drill bit as claimed in claim 1, it is characterised in that described annular protrusion is along described hat
The circumferencial direction in portion extends, the neighboring of the described bizet of neighboring alignment of described annular protrusion.
3. PDC drill bit as claimed in claim 1, it is characterised in that described annular protrusion is cut with described
Sharpener wing height is identical.
4. PDC drill bit as claimed in claim 2, it is characterised in that be provided with on described annular protrusion
Described cutting tooth and hydrophthalmia, the cutting direction of the described cutting tooth along described annular protrusion, described hydrophthalmia sets
It is placed in the front of described cutting tooth.
5. the PDC drill bit as according to any one of Claims 1-4, it is characterised in that described annular
Protuberance is multistage, and each described annular protrusion one end is connected with cutting side, wing outer end described in, each described ring
Between the other end of shape protuberance and another side, described cutting wing outer end, there is gap.
6. the PDC drill bit as according to any one of Claims 1-4, it is characterised in that described annular
Protuberance is multistage, and described annular protrusion is arranged between adjacent two described cutting wing, and described annular
The side connection that the two ends of protuberance are corresponding with two described cutting wings respectively.
7. the PDC drill bit as according to any one of Claims 1-4, it is characterised in that described PDC
Drill bit also includes the hydrophthalmia being arranged at adjacent described cutting edge interplane, is provided with nozzle, institute in described hydrophthalmia
State nozzle to connect with water source.
8. PDC drill bit as claimed in claim 7, it is characterised in that described drill body is internal to be arranged
Water cavity, described water cavity is had to connect with described hydrophthalmia.
9. the PDC drill bit as according to any one of Claims 1-4, it is characterised in that described PDC
Drill bit also includes that gauge teeth, described gauge teeth are arranged on the outer peripheral face of described bizet.
10. the PDC drill bit as according to any one of Claims 1-4, it is characterised in that described in cut
Cutting tooth to include that the matrix of column structure, the end of described matrix are formed with and shovel into portion, described shovel includes into portion:
First side, described first side extends along the wall of described matrix；
Shovel face, described shovel face from the wall of the described matrix relative with described first side to described first side
Tilting to extend, to form a tip with seamed edge at described first side, described seamed edge is main
The edge of shovel,
Wherein said shovel mask has shovel top and the shovel end, and the distance of the bottom surface of matrix described in described shovel apex distance is shovel top
Highly, the distance of bottom surface away from described matrix at the bottom of described shovel is shovel end height, and described shovel heights of roofs is more than described
Shovel end height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404533.5A CN105927159B (en) | 2016-06-08 | 2016-06-08 | Pdc drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404533.5A CN105927159B (en) | 2016-06-08 | 2016-06-08 | Pdc drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105927159A true CN105927159A (en) | 2016-09-07 |
| CN105927159B CN105927159B (en) | 2017-11-07 |
Family
ID=56833742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610404533.5A Active CN105927159B (en) | 2016-06-08 | 2016-06-08 | Pdc drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105927159B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115688326A (en) * | 2022-12-14 | 2023-02-03 | 西南石油大学 | Annular groove type PDC drill bit design method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5890551A (en) * | 1996-03-14 | 1999-04-06 | Sandvik Ab | Rock drilling tool including a drill bit having a recess in a front surface thereof |
| GB2350381B (en) * | 1999-05-14 | 2003-06-11 | Camco Internat | Preform cutting elements for rotary drill bits |
| CN203856407U (en) * | 2014-06-04 | 2014-10-01 | 大庆天瑞机械制造有限公司 | High-density tooth-distribution polycrystalline diamond compact drill bit |
| CN204492663U (en) * | 2015-01-28 | 2015-07-22 | 湖北戴比特石油钻采工具有限公司 | A kind of oriented diamond drill bit |
| CN105221077A (en) * | 2015-10-12 | 2016-01-06 | 西南石油大学 | A kind of twin-stage drill bit |
-
2016
- 2016-06-08 CN CN201610404533.5A patent/CN105927159B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5890551A (en) * | 1996-03-14 | 1999-04-06 | Sandvik Ab | Rock drilling tool including a drill bit having a recess in a front surface thereof |
| GB2350381B (en) * | 1999-05-14 | 2003-06-11 | Camco Internat | Preform cutting elements for rotary drill bits |
| CN203856407U (en) * | 2014-06-04 | 2014-10-01 | 大庆天瑞机械制造有限公司 | High-density tooth-distribution polycrystalline diamond compact drill bit |
| CN204492663U (en) * | 2015-01-28 | 2015-07-22 | 湖北戴比特石油钻采工具有限公司 | A kind of oriented diamond drill bit |
| CN105221077A (en) * | 2015-10-12 | 2016-01-06 | 西南石油大学 | A kind of twin-stage drill bit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115688326A (en) * | 2022-12-14 | 2023-02-03 | 西南石油大学 | Annular groove type PDC drill bit design method |
| CN115688326B (en) * | 2022-12-14 | 2023-03-10 | 西南石油大学 | Annular groove type PDC drill bit design method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105927159B (en) | 2017-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11725459B2 (en) | Multiple ridge diamond compact for drill bit and drill bit | |
| US20180230756A1 (en) | Kerfing hybrid drill bit and other downhole cutting tools | |
| US5890552A (en) | Superabrasive-tipped inserts for earth-boring drill bits | |
| RU2628359C2 (en) | Cutting structures for a drill bit with fixed cutting tools | |
| US6688410B1 (en) | Hydro-lifter rock bit with PDC inserts | |
| US7331410B2 (en) | Drill bit arcuate-shaped inserts with cutting edges and method of manufacture | |
| US6062325A (en) | Rotary drill bits | |
| US6302223B1 (en) | Rotary drag bit with enhanced hydraulic and stabilization characteristics | |
| US6823951B2 (en) | Arcuate-shaped inserts for drill bits | |
| US7686106B2 (en) | Rock bit and inserts with wear relief grooves | |
| CN101622422A (en) | Rotary drag bit and method thereof | |
| US20120125687A1 (en) | Hard Rock Rotary Drill Bit and Method of Drilling Using Crowned Cutter Elements | |
| CN207420457U (en) | A kind of composite polycrystal-diamond and the drill bit using this composite sheet | |
| US6193000B1 (en) | Drag-type rotary drill bit | |
| RU2681762C2 (en) | Drill bit with grooves in crushing surface | |
| US20140182939A1 (en) | Percussion drill bit with conical cutting elements | |
| CN105927159A (en) | Polycrystalline diamond compact (PDC) bit | |
| US2894726A (en) | Drilling bit | |
| JP5445405B2 (en) | Drilling bit | |
| US6371226B1 (en) | Drag-type rotary drill bit | |
| KR20160133445A (en) | Percussive drill bit with multiple sets of front cutting inserts | |
| JP7299791B2 (en) | drilling tips and drilling tools | |
| EA045283B1 (en) | DIAMOND INSERT WITH MULTIPLE COMB FOR DRILL BIT AND DRILL BIT | |
| CN105927157A (en) | Cutting tooth and PDC (polycrystalline diamond compact) drill bit with same | |
| JP2023138194A (en) | drill bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200721 Address after: 261400 No.1 Building, Meiyuan New Village, Wenfeng Road Street, Laizhou City, Yantai City, Shandong Province Patentee after: Laizhou Jinye Diamond Products Co.,Ltd. Address before: 261400 Room 405, bank building, Wenhua East Road, Yantai, Shandong, Laizhou Patentee before: LAIZHOU YUANYE SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20210329 Address after: 261400 Meiyuan New Village, Wenfeng Road Street, Laizhou City, Yantai City, Shandong Province Patentee after: LAIZHOU YUANYE SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 261400 room 1, building 1, Meiyuan New Village, Wenfeng Road Street, Laizhou City, Yantai City, Shandong Province Patentee before: Laizhou Jinye Diamond Products Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: PDC bit Effective date of registration: 20211209 Granted publication date: 20171107 Pledgee: Laizhou Jinhui Financing Guarantee Co.,Ltd. Pledgor: LAIZHOU YUANYE SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2021980014419 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221009 Granted publication date: 20171107 Pledgee: Laizhou Jinhui Financing Guarantee Co.,Ltd. Pledgor: LAIZHOU YUANYE SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2021980014419 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |