CN110145243A - A kind of oil drilling non-planar composite polycrystal-diamond and drill bit - Google Patents
A kind of oil drilling non-planar composite polycrystal-diamond and drill bit Download PDFInfo
- Publication number
- CN110145243A CN110145243A CN201910473205.4A CN201910473205A CN110145243A CN 110145243 A CN110145243 A CN 110145243A CN 201910473205 A CN201910473205 A CN 201910473205A CN 110145243 A CN110145243 A CN 110145243A
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- CN
- China
- Prior art keywords
- polycrystalline diamond
- diamond layer
- composite polycrystal
- alloy substrate
- planar composite
- 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
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 255
- 239000010432 diamond Substances 0.000 title claims abstract description 255
- 239000002131 composite material Substances 0.000 title claims abstract description 87
- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 239000000956 alloy Substances 0.000 claims abstract description 78
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 78
- 239000000758 substrate Substances 0.000 claims abstract description 78
- 150000001875 compounds Chemical class 0.000 claims abstract description 28
- 239000011435 rock Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 238000005755 formation reaction Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 23
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 210000000515 tooth Anatomy 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B10/55—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The invention belongs to super-hard compound material technical fields, relate generally to oil drilling, the engineering equipments such as mining area driving, more particularly to a kind of oil drilling non-planar composite polycrystal-diamond and drill bit, including polycrystalline diamond layer and the compound hard alloy substrate for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer is exposed to extraneous top surface and is made of at least two surface textures, and the circumferential outer edge surface of surface texture and polycrystalline diamond layer constitutes several circumferentially distributed cutting edges in polycrystalline diamond layer circumferential direction outer edge surface, cutting edge is in radially extend setting along polycrystalline diamond layer；And the non-horizontal surface structure integrally extended is distributed on the two sides polycrystalline diamond layer and hard alloy substrate of at least one cutting edge.Moulding of the present invention is unique, and can effectively extend bit life, improves drill bit in the wedging ability and drilling efficiency of the difficult drilling formations such as extremely hard, plasticity, reduces drilling cost.
Description
Technical field
The invention belongs to super-hard compound material technical fields, relate generally to the engineering equipments such as oil drilling, mining area driving, especially
It is related to a kind of oil drilling non-planar composite polycrystal-diamond and drill bit.
Background technique
Composite polycrystal-diamond (PDC) be by polycrystalline diamond micro mist and hard alloy substrate under high temperature and high pressure environment
It is sintered, coming out becomes an important milestone in polycrystalline diamond application technology development history.Currently, PDC is as super
Wear-resisting cutting element is widely used in the fields such as petroleum, natural gas probing.
With the innovation and development of exploration theory, unconventional oil and gas exploration obtains fast development, what deeper bad ground used
Drill bit design and the performance of PDC need constantly to be promoted, and the difficult drilling formations such as extremely hard, plasticity are especially crept into, often because tasting bad
Enter, the problems such as slow drilling or even bit freezing occurs.
In view of above-mentioned extremely difficult formations drilled, application No. is 201520471001.4,201720243420.1,
201721524171.X is provided which that one kind overcomes the curved-surface structures heteromorphic teeths such as hard formation difficulty drilling, chip removal, but corresponding technical solution
It is still weak in the wedging ability and drilling efficiency of the difficult drilling formations such as extremely hard, plasticity.
Summary of the invention
The object of the present invention is to provide a kind of oil drilling non-planar composite polycrystal-diamond and drill bit, the present invention is made
Type is unique, and can effectively extend bit life, improves drill bit in the wedging ability and brill of the difficult drilling formations such as extremely hard, plasticity
Into efficiency, drilling cost is reduced.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of non-planar composite polycrystal-diamond of oil drilling, including polycrystalline diamond layer and compound it is wrapped in plycrystalline diamond Buddha's warrior attendant
The hard alloy substrate of rock layers bottom, the polycrystalline diamond layer are exposed to extraneous top surface by least two surface texture groups
At, and the circumferential outer edge surface of surface texture and polycrystalline diamond layer composition is several circumferentially distributed in polycrystalline diamond layer circumferential direction outer rim
The cutting edge in face, cutting edge are in radially extend setting along polycrystalline diamond layer；And the two sides plycrystalline diamond Buddha's warrior attendant of at least one cutting edge
The non-horizontal surface structure integrally extended is distributed in rock layers and hard alloy substrate.
The cutting edge polycrystalline diamond layer circumferential outer edge surface it is circumferentially distributed, at least should include cutting edge between be in
Annular spread or the mode of other than ring type distribution.The quantity of cutting edge at least should be 1-5, is also not excluded for greater number certainly and cuts
Cut molding and the arrangement mode of sword.
It preferably, is in 10 ° of -179 ° of angles between the non-horizontal surface structure of the cutting edge two sides.
Preferably, the axis angle of the non-horizontal surface structure of the cutting edge two sides and hard alloy substrate is in 1 ° of -89 ° of folder
Angle.
Preferably, the minimum spacing of the non-horizontal surface structure of the cutting edge two sides is polycrystalline diamond layer circumferential length
1/30-3/5。
Preferably, the non-horizontal surface structure of the cutting edge two sides is in the combination of tapered plane, curved surface or both.
Preferably, the surface texture includes the combination of tapered plane, curved surface or both.
Preferably, the curved surface is in the combination of outer gibbosity or inner concavity or both.
Including the above-mentioned oil drilling drill bit of non-planar composite polycrystal-diamond, the drill bit includes offering water channel
Bit body, a plurality of wing is circumferentially provided on bit body and is connected to the hydrophthalmia of water channel, the non-planar polycrystalline diamond is multiple
The side on the hard alloy substrate and wing of piece far from bit body is closed to connect.
Compared with the prior art, the invention has the following advantages: multiple using non-planar polycrystalline diamond of the present invention
Resistance to roll flute of the piece as drill bit is closed, the cutting edge of its unique structure is can use to reduce the grinding heat of the working region PDC, reduces
The generation of tooth phenomenon is collapsed, rock stratum wedging ability and machine speed is improved, drilling well drilling efficiency can be effectively improved, reduce cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 1；
Fig. 2 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 2；
Fig. 3 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 3；
Fig. 4 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 4；
Fig. 5 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 5；
Fig. 6 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 6；
Fig. 7 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 7；
Fig. 8 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 8；
Fig. 9 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 9；
Figure 10 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 10；
Figure 11 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 11；
Figure 12 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 12；
Figure 13 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 13；
Figure 14 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 14；
Figure 15 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 15；
Figure 16 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 16；
Figure 17 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 17；
Figure 18 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 18；
Figure 19 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 19；
Figure 20 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 20；
Figure 21 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 21；
Figure 22 is the structural schematic diagram of non-planar composite polycrystal-diamond described in embodiment 22；
Figure 23 is the structural schematic diagram of the drill bit shown in specific embodiment including non-planar composite polycrystal-diamond.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1
As shown in Figure 1, a kind of non-planar composite polycrystal-diamond of twolip, the composite sheet includes polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of two surface textures 102, and surface texture 102 is docked in tapered plane and two tapered planes by polycrystalline diamond layer
100 form ridge structure.The circumferential outer edge surface 101 of surface texture 102 and polycrystalline diamond layer constitutes 2 along polycrystalline diamond
The cutting edge 103 that radially extends of layer is distributed on the two sides polycrystalline diamond layer and hard alloy substrate of one of cutting edge 103
There is the non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are tapered plane and are between each other in 90 ° of angles, non-aqueous
The axis of planar structure 121 and hard alloy substrate circumferential direction outer edge surface 201 is in 12 ° of angles, the minimum of two non-horizontal surface structures 121
Spacing is the 1/10 of 100 circumferential length of polycrystalline diamond layer.
Embodiment 2
As shown in Fig. 2, a kind of non-planar composite polycrystal-diamond of twolip, the composite sheet includes polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of two surface textures 102, and surface texture 102 is docked in tapered plane and two tapered planes by polycrystalline diamond layer
100 form ridge structure.The circumferential outer edge surface 101 of surface texture 102 and polycrystalline diamond layer constitutes 2 along polycrystalline diamond
The cutting edge 103 that radially extends of layer is distributed with one on the two sides polycrystalline diamond layer and hard alloy substrate of each cutting edge 103
The non-horizontal surface structure 121 that body extends, the non-horizontal surface structures 121 of each 103 two sides of cutting edge are tapered plane and between each other
In 90 ° of angles, the axis of non-horizontal surface structure 121 and hard alloy substrate circumferential direction outer edge surface 201 is in 12 ° of angles, each cutting
The minimum spacing of the non-horizontal surface structure 121 of 103 two sides of sword is the 1/10 of 100 circumferential length of polycrystalline diamond layer.
Embodiment 3
As shown in figure 3, a kind of non-planar composite polycrystal-diamond of twolip, the composite sheet includes polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of two surface textures 102, and surface texture 102 is docked in tapered plane and two tapered planes by polycrystalline diamond layer
100 form ridge structure.The circumferential outer edge surface 101 of surface texture 102 and polycrystalline diamond layer constitutes 2 along polycrystalline diamond
The cutting edge 103 that radially extends of layer is distributed on the two sides polycrystalline diamond layer and hard alloy substrate of one of cutting edge 103
There is the non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are inner sunken face and are between each other in 90 ° of angles, non-
The axis of horizontal plane structure 121 and hard alloy substrate circumferential direction outer edge surface 201 is in 12 ° of angles, and two non-horizontal surface structures 121 are most
Small spacing is the 1/10 of 100 circumferential length of polycrystalline diamond layer.
Embodiment 4
As shown in figure 4, a kind of non-planar composite polycrystal-diamond of twolip, the composite sheet includes polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of two surface textures 102, and surface texture 102 is docked in tapered plane and two tapered planes by polycrystalline diamond layer
100 form ridge structure.The circumferential outer edge surface 101 of surface texture 102 and polycrystalline diamond layer constitutes 2 along polycrystalline diamond
The cutting edge 103 that radially extends of layer is distributed on the two sides polycrystalline diamond layer and hard alloy substrate of one of cutting edge 103
There is the non-horizontal surface structure 121 integrally extended, non-horizontal surface structure 121 is rearranged by several convex outwards and two non-horizontal surfaces
It is in 90 ° of angles between structure entirety, non-horizontal surface structure 121 and the axis of hard alloy substrate circumferential direction outer edge surface 201 are pressed from both sides in 12 °
Angle, the minimum spacing of two non-horizontal surface structures 121 are the 1/10 of 100 circumferential length of polycrystalline diamond layer.
Embodiment 5
As shown in figure 5, a kind of non-planar composite polycrystal-diamond of three swords, the composite sheet includes polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 3 surface textures 102, and surface texture 102 is in upper convex surface.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 3 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It for tapered plane and is between each other in 100 ° of angles, the axis of non-horizontal surface structure 121 and hard alloy substrate circumferential direction outer edge surface 201
In 8 ° of angles, the minimum spacing of two non-horizontal surface structures 121 is the 1/12 of 100 circumferential length of polycrystalline diamond layer.
Embodiment 6
As shown in fig. 6, a kind of non-planar composite polycrystal-diamond of three swords, the composite sheet includes polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 3 surface textures 102, and surface texture 102 is in upper convex surface.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 3 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides plycrystalline diamond of each cutting edge 103
Be distributed with the non-horizontal surface structure 121 integrally extended on diamond layer and hard alloy substrate, each 103 two sides of cutting edge it is non-
Horizontal plane structure 121 is tapered plane and is between each other in 100 ° of angles, and non-horizontal surface structure 121 and hard alloy substrate week are outward
The axis in edge face 201 is in 8 ° of angles, and the minimum spacing of the non-horizontal surface structure 121 of each 103 two sides of cutting edge is plycrystalline diamond Buddha's warrior attendant
The 1/12 of 100 circumferential length of rock layers.
Embodiment 7
As shown in fig. 7, a kind of non-planar composite polycrystal-diamond of three swords, the composite sheet includes polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 3 surface textures 102, and surface texture 102 is in upper convex surface.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 3 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It for inner sunken face and is between each other in 100 ° of angles, the axis of non-horizontal surface structure 121 and hard alloy substrate circumferential direction outer edge surface 201
Line is in 8 ° of angles, and the minimum spacing of two non-horizontal surface structures 121 is the 1/12 of 100 circumferential length of polycrystalline diamond layer.
Embodiment 8
As shown in figure 8, a kind of non-planar composite polycrystal-diamond of three swords, the composite sheet includes polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 3 surface textures 102, and surface texture 102 is in upper convex surface.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 3 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It is rearranged by several convex outwards and between two non-horizontal surface structure entirety in 100 ° of angles, non-horizontal surface structure 121 and hard
The axis of matter alloy substrate circumferential direction outer edge surface 201 is in 8 ° of angles, and the minimum spacing of two non-horizontal surface structures 121 is polycrystalline diamond
The 1/12 of 100 circumferential length of layer.
Embodiment 9
As shown in figure 9, a kind of non-planar composite polycrystal-diamond of three swords, the composite sheet includes polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 3 surface textures 102, and surface texture 102 is in inner sunken face.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 3 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It for tapered plane and is between each other in 100 ° of angles, the axis of non-horizontal surface structure 121 and hard alloy substrate circumferential direction outer edge surface 201
In 8 ° of angles, the minimum spacing of two non-horizontal surface structures 121 is the 1/12 of 100 circumferential length of polycrystalline diamond layer.The surface
Structure 102 is recessed concave surface.
Embodiment 10
As shown in Figure 10, a kind of non-planar composite polycrystal-diamond of three swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 3 surface textures 102, and surface texture 102 is in inner sunken face.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 3 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It for inner sunken face and is between each other in 100 ° of angles, the axis of non-horizontal surface structure 121 and hard alloy substrate circumferential direction outer edge surface 201
Line is in 8 ° of angles, and the minimum spacing of two non-horizontal surface structures 121 is the 1/12 of 100 circumferential length of polycrystalline diamond layer.The table
Face structure 102 is recessed concave surface.
Embodiment 11
As shown in figure 11, a kind of non-planar composite polycrystal-diamond of three swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 3 surface textures 102, and surface texture 102 is in inner sunken face.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 3 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It is rearranged by several convex outwards and between two non-horizontal surface structure entirety in 100 ° of angles, non-horizontal surface structure 121 and hard
The axis of matter alloy substrate circumferential direction outer edge surface 201 is in 8 ° of angles, and the minimum spacing of two non-horizontal surface structures 121 is polycrystalline diamond
The 1/12 of 100 circumferential length of layer.The surface texture 102 is recessed concave surface.
Embodiment 12
As shown in figure 12, a kind of non-planar composite polycrystal-diamond of three swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 3 surface textures 102, and surface texture 102 is in convex outward.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 3 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It for tapered plane and is between each other in 100 ° of angles, the axis of non-horizontal surface structure 121 and hard alloy substrate circumferential direction outer edge surface 201
In 8 ° of angles, the minimum spacing of two non-horizontal surface structures 121 is the 1/12 of 100 circumferential length of polycrystalline diamond layer.The surface
Structure 102 is convex spherical calotte shape curved surface.
Embodiment 13
As shown in figure 13, a kind of non-planar composite polycrystal-diamond of three swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 3 surface textures 102, and surface texture 102 is in convex outward.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 3 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It for inner sunken face and is between each other in 100 ° of angles, the axis of non-horizontal surface structure 121 and hard alloy substrate circumferential direction outer edge surface 201
Line is in 8 ° of angles, and the minimum spacing of two non-horizontal surface structures 121 is the 1/12 of 100 circumferential length of polycrystalline diamond layer.The table
Face structure 102 is convex spherical calotte shape curved surface.
Embodiment 14
As shown in figure 14, a kind of non-planar composite polycrystal-diamond of three swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 3 surface textures 102, and surface texture 102 is in convex outward.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 3 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It is rearranged by several convex outwards and between two non-horizontal surface structure entirety in 100 ° of angles, non-horizontal surface structure 121 and hard
The axis of matter alloy substrate circumferential direction outer edge surface 201 is in 8 ° of angles, and the minimum spacing of two non-horizontal surface structures 121 is polycrystalline diamond
The 1/12 of 100 circumferential length of layer.The surface texture 102 is convex spherical calotte shape curved surface.
Embodiment 15
As shown in figure 15, a kind of non-planar composite polycrystal-diamond of four swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 4 surface textures 102, and surface texture 102 is in inner sunken face.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 4 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It for tapered plane and is between each other in 110 ° of angles, the axis of non-horizontal surface structure 121 and hard alloy substrate circumferential direction outer edge surface 201
In 7 ° of angles, the minimum spacing of two non-horizontal surface structures 121 is the 1/15 of 100 circumferential length of polycrystalline diamond layer.
Embodiment 16
As shown in figure 16, a kind of non-planar composite polycrystal-diamond of four swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 4 surface textures 102, and surface texture 102 is in inner sunken face.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 4 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides plycrystalline diamond of each cutting edge 103
Be distributed with the non-horizontal surface structure 121 integrally extended on diamond layer and hard alloy substrate, each 103 two sides of cutting edge it is non-
Horizontal plane structure 121 is tapered plane and is between each other in 110 ° of angles, and non-horizontal surface structure 121 and hard alloy substrate week are outward
The axis in edge face 201 is in 7 ° of angles, and the minimum spacing of the non-horizontal surface structure 121 of each 103 two sides of cutting edge is plycrystalline diamond Buddha's warrior attendant
The 1/15 of 100 circumferential length of rock layers.
Embodiment 17
As shown in figure 17, a kind of non-planar composite polycrystal-diamond of four swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 4 surface textures 102, and surface texture 102 is in convex outward.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 4 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It for inner sunken face and is between each other in 110 ° of angles, the axis of non-horizontal surface structure 121 and hard alloy substrate circumferential direction outer edge surface 201
Line is in 7 ° of angles, and the minimum spacing of two non-horizontal surface structures 121 is the 1/15 of 100 circumferential length of polycrystalline diamond layer.
Embodiment 18
As shown in figure 15, a kind of non-planar composite polycrystal-diamond of four swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 4 surface textures 102, and surface texture 102 is in convex outward.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 4 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It is rearranged by several convex outwards and between two non-horizontal surface structure entirety in 110 ° of angles, non-horizontal surface structure 121 and hard
The axis of matter alloy substrate circumferential direction outer edge surface 201 is in 7 ° of angles, and the minimum spacing of two non-horizontal surface structures 121 is polycrystalline diamond
The 1/15 of 100 circumferential length of layer.
Embodiment 19
As shown in figure 19, a kind of non-planar composite polycrystal-diamond of five swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 5 surface textures 102, and surface texture 102 is in inner sunken face.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 5 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It for tapered plane and is between each other in 105 ° of angles, the axis of non-horizontal surface structure 121 and hard alloy substrate circumferential direction outer edge surface 201
In 7.5 ° of angles, the minimum spacing of two non-horizontal surface structures 121 is the 1/14 of 100 circumferential length of polycrystalline diamond layer.
Embodiment 20
As shown in figure 20, a kind of non-planar composite polycrystal-diamond of five swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 5 surface textures 102, and surface texture 102 is in inner sunken face.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 5 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides plycrystalline diamond of each cutting edge 103
Be distributed with the non-horizontal surface structure 121 integrally extended on diamond layer and hard alloy substrate, each 103 two sides of cutting edge it is non-
Horizontal plane structure 121 is tapered plane and is between each other in 105 ° of angles, and non-horizontal surface structure 121 and hard alloy substrate week are outward
The axis in edge face 201 is in 7.5 ° of angles, and the minimum spacing of the non-horizontal surface structure 121 of each 103 two sides of cutting edge is plycrystalline diamond gold
The 1/14 of 100 circumferential length of hard rock layer.
Embodiment 21
As shown in figure 21, a kind of non-planar composite polycrystal-diamond of five swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 5 surface textures 102, and surface texture 102 is in inner sunken face.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 5 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It for inner sunken face and is between each other in 105 ° of angles, the axis of non-horizontal surface structure 121 and hard alloy substrate circumferential direction outer edge surface 201
Line is in 7.5 ° of angles, and the minimum spacing of two non-horizontal surface structures 121 is the 1/14 of 100 circumferential length of polycrystalline diamond layer.
Embodiment 22
As shown in figure 22, a kind of non-planar composite polycrystal-diamond of five swords, the composite sheet include polycrystalline diamond layer 100
And the compound hard alloy substrate 200 for being wrapped in polycrystalline diamond layer bottom, the polycrystalline diamond layer 100 are exposed to extraneous
Top surface is made of 5 surface textures 102, and surface texture 102 is in inner sunken face.And surface texture 102 and polycrystalline diamond layer
Circumferential outer edge surface 101 constitutes 5 cutting edges 103 radially extended along polycrystalline diamond layer, the two sides of one of cutting edge 103
The non-horizontal surface structure 121 integrally extended, two non-horizontal surface structures 121 are distributed on polycrystalline diamond layer and hard alloy substrate
It is rearranged by several convex outwards and between two non-horizontal surface structure entirety in 105 ° of angles, non-horizontal surface structure 121 and hard
The axis of matter alloy substrate circumferential direction outer edge surface 201 is in 7.5 ° of angles, and the minimum spacing of two non-horizontal surface structures 121 is plycrystalline diamond Buddha's warrior attendant
The 1/14 of 100 circumferential length of rock layers.
A kind of drill bit of non-planar composite polycrystal-diamond, as shown in figure 23, the bit body 1 including offering water channel,
It is circumferentially provided with a plurality of wing 2 on the bit body 1 and is connected to the hydrophthalmia 3 of water channel, the non-planar polycrystalline diamond is compound
Side on the hard alloy substrate and wing of piece 4 far from bit body connects.
The non-planar composite polycrystal-diamond 4 includes but is not limited to twolip, three swords, four swords shown in embodiment 1-22
One or mutual combination are selected with the non-planar composite polycrystal-diamond of five swords.
Claims (8)
1. a kind of non-planar composite polycrystal-diamond of oil drilling, including polycrystalline diamond layer and compound it is wrapped in plycrystalline diamond gold
The hard alloy substrate of hard rock layer bottom, which is characterized in that the polycrystalline diamond layer is exposed to extraneous top surface by least two
A surface texture composition, and the circumferential outer edge surface of surface texture and polycrystalline diamond layer composition is several circumferentially distributed in plycrystalline diamond Buddha's warrior attendant
The cutting edge of rock layers circumferential direction outer edge surface, cutting edge are in radially extend setting along polycrystalline diamond layer；And at least one cutting edge
The non-horizontal surface structure integrally extended is distributed on two sides polycrystalline diamond layer and hard alloy substrate.
2. the non-planar composite polycrystal-diamond of oil drilling as described in claim 1, which is characterized in that the cutting edge
It is in 10 ° of -179 ° of angles between the non-horizontal surface structure of two sides.
3. the non-planar composite polycrystal-diamond of oil drilling as described in claim 1, which is characterized in that the cutting edge
The non-horizontal surface structure of two sides and the axis angle of hard alloy substrate are in 1 ° of -89 ° of angle.
4. a kind of non-planar composite polycrystal-diamond of oil drilling as described in claim 1, which is characterized in that the cutting
The minimum spacing of the non-horizontal surface structure of sword two sides is the 1/30-3/5 of polycrystalline diamond layer circumferential length.
5. a kind of non-planar composite polycrystal-diamond of oil drilling as described in claim 1, which is characterized in that described to cut
The non-horizontal surface structure for cutting sword two sides is in the combination of tapered plane, curved surface or both.
6. a kind of non-planar composite polycrystal-diamond of oil drilling as described in claim 1, which is characterized in that the table
Face structure includes the combination of tapered plane, curved surface or both.
7. such as a kind of non-planar composite polycrystal-diamond of oil drilling described in claim 5 or 6, which is characterized in that institute
Curved surface is stated in the combination of outer gibbosity or inner concavity or both.
8. including the drill bit of any non-planar composite polycrystal-diamond of the oil drilling of claim 1-7, including open up
There is the bit body of water channel, which is characterized in that be circumferentially provided with a plurality of wing on the bit body and be connected to the hydrophthalmia of water channel, institute
The side on the hard alloy substrate and wing of non-planar composite polycrystal-diamond far from bit body is stated to connect.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276098A (en) * | 2020-11-05 | 2021-01-29 | 河南亚龙金刚石制品股份有限公司 | Non-uniform preformed diamond compact and preparation method thereof |
| WO2021119667A1 (en) * | 2019-12-12 | 2021-06-17 | Jiaqing Yu | Cutting elements with increased curvature cutting edges |
| CN113006705A (en) * | 2021-03-29 | 2021-06-22 | 西南石油大学 | Special-shaped polycrystalline diamond compact with secondary crushing function |
| CN113982492A (en) * | 2021-11-17 | 2022-01-28 | 深圳市海明润超硬材料股份有限公司 | Novel polycrystalline diamond compact with reverse-inclination angle and narrow edge trimming port |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487865A (en) * | 2018-05-25 | 2018-09-04 | 中石化江钻石油机械有限公司 | A kind of ansa shape cutting tooth |
| US20180291690A1 (en) * | 2015-09-21 | 2018-10-11 | National Oilwell DHT, L.P. | Downhole drill bit with balanced cutting elements and method for making and using same |
| CA3057706A1 (en) * | 2017-06-13 | 2018-12-20 | Varel International Ind., L.L.C. | Superabrasive cutters for earth boring bits with multiple raised cutting surfaces |
| CN210422479U (en) * | 2019-05-31 | 2020-04-28 | 河南四方达超硬材料股份有限公司 | Non-planar polycrystalline diamond compact and drill bit for oil drilling |
-
2019
- 2019-05-31 CN CN201910473205.4A patent/CN110145243A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180291690A1 (en) * | 2015-09-21 | 2018-10-11 | National Oilwell DHT, L.P. | Downhole drill bit with balanced cutting elements and method for making and using same |
| CA3057706A1 (en) * | 2017-06-13 | 2018-12-20 | Varel International Ind., L.L.C. | Superabrasive cutters for earth boring bits with multiple raised cutting surfaces |
| CN108487865A (en) * | 2018-05-25 | 2018-09-04 | 中石化江钻石油机械有限公司 | A kind of ansa shape cutting tooth |
| CN210422479U (en) * | 2019-05-31 | 2020-04-28 | 河南四方达超硬材料股份有限公司 | Non-planar polycrystalline diamond compact and drill bit for oil drilling |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021119667A1 (en) * | 2019-12-12 | 2021-06-17 | Jiaqing Yu | Cutting elements with increased curvature cutting edges |
| US11591858B2 (en) | 2019-12-12 | 2023-02-28 | Cnpc Usa Corporation | Cutting elements with increased curvature cutting edges |
| CN112276098A (en) * | 2020-11-05 | 2021-01-29 | 河南亚龙金刚石制品股份有限公司 | Non-uniform preformed diamond compact and preparation method thereof |
| CN112276098B (en) * | 2020-11-05 | 2022-12-02 | 河南亚龙金刚石制品股份有限公司 | Non-uniform preformed diamond compact and preparation method thereof |
| CN113006705A (en) * | 2021-03-29 | 2021-06-22 | 西南石油大学 | Special-shaped polycrystalline diamond compact with secondary crushing function |
| CN113006705B (en) * | 2021-03-29 | 2022-03-22 | 西南石油大学 | Special-shaped polycrystalline diamond compact with secondary crushing function |
| CN113982492A (en) * | 2021-11-17 | 2022-01-28 | 深圳市海明润超硬材料股份有限公司 | Novel polycrystalline diamond compact with reverse-inclination angle and narrow edge trimming port |
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