US20190203539A1 - Polycrystalline diamond compact - Google Patents
Polycrystalline diamond compact Download PDFInfo
- Publication number
- US20190203539A1 US20190203539A1 US16/297,718 US201916297718A US2019203539A1 US 20190203539 A1 US20190203539 A1 US 20190203539A1 US 201916297718 A US201916297718 A US 201916297718A US 2019203539 A1 US2019203539 A1 US 2019203539A1
- Authority
- US
- United States
- Prior art keywords
- cutting
- polycrystalline diamond
- cutting edges
- diamond compact
- removal grooves
- 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.)
- Abandoned
Links
- 239000010432 diamond Substances 0.000 title claims abstract description 67
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 66
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 description 12
- 239000010410 layer Substances 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009918 complex formation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
Images
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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
Definitions
- This disclosure relates to the field of composite materials, and more particularly, to a polycrystalline diamond compact (PDC).
- PDC polycrystalline diamond compact
- Polycrystalline diamond compacts are made by combining layers of polycrystalline diamonds (PCDs) with a layer of cemented carbide substrate.
- PCDs polycrystalline diamonds
- PDCs have the advantages of diamond's wear resistance and carbide's toughness and are widely used in drill bits.
- conventional PDC drill bits are inefficient in breaking rocks or cutting removal.
- a polycrystalline diamond compact comprising a polycrystalline diamond layer and a cemented carbide substrate.
- the polycrystalline diamond layer is in the form of a cylinder comprising an upper surface, a bottom surface, and a side wall connecting the upper surface and the bottom surface.
- the cemented carbide substrate is bonded to the bottom surface of the polycrystalline diamond layer.
- the upper surface comprises a center part and an edge part; the edge part comprises a plurality of radially distributed cutting edges and cutting removal grooves; the plurality of cutting edges and cutting removal grooves are alternately distributed on the upper surface; and one end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the center part, and the other end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the side wall.
- Each of the plurality of cutting edges can comprise a first side surface and a second side surface, and an included angle between the first side surface and the second side surface can be greater than or equal to 90°.
- the plurality of cutting edges and cutting removal grooves can extend radially and are annularly-distributed on the upper surface.
- the plurality of cutting edges and cutting removal grooves can form an annular structure on the upper surface.
- the included angle between the plurality of cutting removal grooves and the side wall can be greater than or equal to 90°.
- the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves can be greater than or equal to 0.2 mm, and the radial length of each of the cutting edges on the upper surface can be greater than or equal to 0.5 mm.
- Chamfers can be disposed at a joint between the edge part of the upper part and the side wall.
- the center part of the upper surface of the polycrystalline diamond layer can be provided with a cutting reservoir.
- the cutting reservoir can be in the shape of circle or square.
- the depth of the cutting reservoir relative to the upper surface can be less than one tenth of the thickness of the polycrystalline diamond layer from the upper surface to the bottom surface.
- the polycrystalline diamond compact is efficient in breaking formations and cutting removal.
- the cutting element displays good impact resistance and excellent steerability.
- FIG. 1 is a schematic diagram of a polycrystalline diamond compact without a cutting reservoir of the disclosure.
- FIG. 2 is a schematic diagram of a polycrystalline diamond compact comprising a cutting reservoir of the disclosure.
- FIG. 3 is a schematic diagram of a polycrystalline diamond compact comprising four cutting edges of the disclosure.
- FIG. 4 is a schematic diagram of another polycrystalline diamond compact comprising four cutting edges of the disclosure.
- FIG. 5 is a schematic diagram of a polycrystalline diamond compact comprising five cutting edges of the disclosure.
- FIG. 6 is a schematic diagram of another polycrystalline diamond compact comprising five cutting edges of the disclosure.
- FIG. 7 is a schematic diagram of a polycrystalline diamond compact comprising eight cutting edges of the disclosure.
- FIG. 8 is a schematic diagram of another polycrystalline diamond compact comprising eight cutting edges of the disclosure
- FIG. 9 is a schematic diagram of a polycrystalline diamond compact comprising ten cutting edges of the disclosure.
- FIG. 10 is a schematic diagram of another polycrystalline diamond compact comprising ten cutting edges of the disclosure
- FIG. 11 is a schematic diagram of a polycrystalline diamond compact comprising twelve cutting edges of the disclosure.
- FIG. 12 is a schematic diagram of another polycrystalline diamond compact comprising twelve cutting edges of the disclosure.
- a polycrystalline diamond compact of the disclosure comprises a polycrystalline diamond layer 100 and a cemented carbide substrate 200 .
- the polycrystalline diamond layer 100 is in the form of a cylinder comprising an upper surface 101 , a bottom surface 101 ′, and a side wall 102 disposed between the upper surface 101 and the bottom surface 101 ′.
- the cemented carbide substrate 200 is bonded to the bottom surface 101 ′ of the polycrystalline diamond layer 100 .
- the upper surface comprises a center part and an edge part.
- the edge part of the upper surface comprises a plurality of radially distributed cutting edges 103 and cutting removal grooves 104 .
- the plurality of cutting edges and cutting removal grooves are alternately disposed. One end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the center part, and the other end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the side wall.
- the center part of the upper surface of the polycrystalline diamond layer is provided with a cutting reservoir 105 .
- a polycrystalline diamond compact comprising four cutting edges.
- the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.87 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves is 1.23 mm.
- the included angle between two side surfaces of the cutting edges is 90°.
- the cutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface.
- the included angle between two side surfaces of the cutting removal grooves 104 is 112°.
- the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.83 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm.
- the included angle between two side surfaces of the cutting edges 103 is 99.5°.
- the cutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface.
- the included angle between two side surfaces of the chip removal grooves 104 is 123.2°.
- a polycrystalline diamond compact comprising five cutting edges.
- the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.91 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm.
- the included angle between two side surfaces of the cutting edges 103 is 90°.
- the cutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface.
- the included angle between two side surfaces of the cutting removal grooves 104 is 110°.
- the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.87 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm.
- the included angle between two side surfaces of the cutting edges 103 is 100.1°.
- the cutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface.
- the included angle between two side surfaces of the cutting removal grooves 104 is 125.6°.
- a polycrystalline diamond compact comprising eight cutting edges.
- the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.78 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm.
- the included angle between two side surfaces of the cutting edges 103 is 90°.
- the cutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface.
- the included angle between two side surfaces of the cutting removal grooves 104 is 113°.
- the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.76 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm.
- the included angle between two side surfaces of the cutting edges 103 is 99.3°.
- the cutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface.
- the included angle between two side surfaces of the cutting removal grooves 104 is 122.8°.
- a polycrystalline diamond compact comprising ten cutting edges.
- the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.69 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm.
- the included angle between two side surfaces of the cutting edges 103 is 90°.
- the cutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface.
- the included angle between two side surfaces of the cutting removal grooves 104 is 115°.
- the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.68 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm.
- the included angle between two side surfaces of the cutting edges 103 is 99.1°.
- the cutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface.
- the included angle between two side surfaces of the cutting removal grooves 104 is 126.5°.
- a polycrystalline diamond compact comprising eight cutting edges.
- the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.72 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm.
- the included angle between two side surfaces of the cutting edges 103 is 90°.
- the cutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface.
- the included angle between two side surfaces of the cutting removal grooves 104 is 116°.
- the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.70 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm.
- the included angle between two side surfaces of the cutting edges 103 is 99.7°.
- the cutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface.
- the included angle between two side surfaces of the cutting removal grooves 104 is 128.3°.
- the polycrystalline diamond compacts in the examples 1-5 are suitable for drilling in complex formations such as hard rocks and tough interlayers.
- the multiple cutting edges can greatly improve the utilization rate of the polycrystalline diamond compact, reduce the drilling cost, and prevent the formation of bit balling.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Earth Drilling (AREA)
- Carbon And Carbon Compounds (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
A polycrystalline diamond compact including a polycrystalline diamond layer and a cemented carbide substrate. The polycrystalline diamond layer is in the form of a cylinder including an upper surface, a bottom surface, and a side wall connecting the upper surface and the bottom surface. The cemented carbide substrate is bonded to the bottom surface of the polycrystalline diamond layer. The upper surface includes a center part and an edge part. The edge part includes a plurality of radially distributed cutting edges and cutting removal grooves. The plurality of cutting edges and cutting removal grooves are alternately distributed on the upper surface. One end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the center part, and the other end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the side wall.
Description
- This application is a continuation-in-part of International Patent Application No. PCT/CN2017/105474 with an international filing date of Oct. 10, 2017, designating the United States, now pending, and further claims foreign priority benefits to Chinese Patent Application No. 201710149094.2 filed Mar. 14, 2017. The contents of all of the aforementioned applications, including any intervening amendments thereto, are incorporated herein by reference.
- This disclosure relates to the field of composite materials, and more particularly, to a polycrystalline diamond compact (PDC).
- Polycrystalline diamond compacts (PDCs) are made by combining layers of polycrystalline diamonds (PCDs) with a layer of cemented carbide substrate. PDCs have the advantages of diamond's wear resistance and carbide's toughness and are widely used in drill bits. However, conventional PDC drill bits are inefficient in breaking rocks or cutting removal.
- Disclosed is a polycrystalline diamond compact that is efficient in breaking formations as well as cutting removal.
- Disclosed is a polycrystalline diamond compact comprising a polycrystalline diamond layer and a cemented carbide substrate. The polycrystalline diamond layer is in the form of a cylinder comprising an upper surface, a bottom surface, and a side wall connecting the upper surface and the bottom surface. The cemented carbide substrate is bonded to the bottom surface of the polycrystalline diamond layer.
- The upper surface comprises a center part and an edge part; the edge part comprises a plurality of radially distributed cutting edges and cutting removal grooves; the plurality of cutting edges and cutting removal grooves are alternately distributed on the upper surface; and one end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the center part, and the other end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the side wall.
- Each of the plurality of cutting edges can comprise a first side surface and a second side surface, and an included angle between the first side surface and the second side surface can be greater than or equal to 90°.
- The plurality of cutting edges and cutting removal grooves can extend radially and are annularly-distributed on the upper surface.
- The plurality of cutting edges and cutting removal grooves can form an annular structure on the upper surface.
- The included angle between the plurality of cutting removal grooves and the side wall can be greater than or equal to 90°.
- The vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves can be greater than or equal to 0.2 mm, and the radial length of each of the cutting edges on the upper surface can be greater than or equal to 0.5 mm.
- Chamfers can be disposed at a joint between the edge part of the upper part and the side wall.
- The center part of the upper surface of the polycrystalline diamond layer can be provided with a cutting reservoir.
- The cutting reservoir can be in the shape of circle or square.
- The depth of the cutting reservoir relative to the upper surface can be less than one tenth of the thickness of the polycrystalline diamond layer from the upper surface to the bottom surface.
- Advantages of the polycrystalline diamond compact in this disclosure are summarized as below. The polycrystalline diamond compact is efficient in breaking formations and cutting removal. In addition, the cutting element displays good impact resistance and excellent steerability.
-
FIG. 1 is a schematic diagram of a polycrystalline diamond compact without a cutting reservoir of the disclosure. -
FIG. 2 is a schematic diagram of a polycrystalline diamond compact comprising a cutting reservoir of the disclosure. -
FIG. 3 is a schematic diagram of a polycrystalline diamond compact comprising four cutting edges of the disclosure. -
FIG. 4 is a schematic diagram of another polycrystalline diamond compact comprising four cutting edges of the disclosure. -
FIG. 5 is a schematic diagram of a polycrystalline diamond compact comprising five cutting edges of the disclosure. -
FIG. 6 is a schematic diagram of another polycrystalline diamond compact comprising five cutting edges of the disclosure. -
FIG. 7 is a schematic diagram of a polycrystalline diamond compact comprising eight cutting edges of the disclosure. -
FIG. 8 is a schematic diagram of another polycrystalline diamond compact comprising eight cutting edges of the disclosure -
FIG. 9 is a schematic diagram of a polycrystalline diamond compact comprising ten cutting edges of the disclosure. -
FIG. 10 is a schematic diagram of another polycrystalline diamond compact comprising ten cutting edges of the disclosure -
FIG. 11 is a schematic diagram of a polycrystalline diamond compact comprising twelve cutting edges of the disclosure. -
FIG. 12 is a schematic diagram of another polycrystalline diamond compact comprising twelve cutting edges of the disclosure. - To further illustrate, examples detailing a polycrystalline diamond compact are described below. It should be noted that the following examples are intended to describe and not to limit the description.
- As shown in
FIGS. 1 and 2 , a polycrystalline diamond compact of the disclosure comprises apolycrystalline diamond layer 100 and a cementedcarbide substrate 200. Thepolycrystalline diamond layer 100 is in the form of a cylinder comprising anupper surface 101, abottom surface 101′, and aside wall 102 disposed between theupper surface 101 and thebottom surface 101′. The cementedcarbide substrate 200 is bonded to thebottom surface 101′ of thepolycrystalline diamond layer 100. - The upper surface comprises a center part and an edge part. The edge part of the upper surface comprises a plurality of radially distributed
cutting edges 103 andcutting removal grooves 104. The plurality of cutting edges and cutting removal grooves are alternately disposed. One end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the center part, and the other end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the side wall. Optionally, as shown inFIG. 2 , the center part of the upper surface of the polycrystalline diamond layer is provided with acutting reservoir 105. - As shown in
FIGS. 3 and 4 , a polycrystalline diamond compact comprising four cutting edges is provided. As shown inFIG. 3 , the radial extension length of thecutting edges 103 of the polycrystalline diamond compact is 1.87 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves is 1.23 mm. The included angle between two side surfaces of the cutting edges is 90°. Thecutting removal grooves 104 and thecutting edges 103 are alternately disposed and form an annular structure on the upper surface. The included angle between two side surfaces of thecutting removal grooves 104 is 112°. - As shown in
FIG. 4 , the radial extension length of thecutting edges 103 of the polycrystalline diamond compact is 1.83 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm. The included angle between two side surfaces of thecutting edges 103 is 99.5°. Thecutting removal grooves 104 and thecutting edges 103 are alternately disposed and form an annular structure on the upper surface. The included angle between two side surfaces of thechip removal grooves 104 is 123.2°. - As shown in
FIGS. 5 and 6 , a polycrystalline diamond compact comprising five cutting edges is provided. As shown inFIG. 5 , the radial extension length of thecutting edges 103 of the polycrystalline diamond compact is 1.91 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm. The included angle between two side surfaces of thecutting edges 103 is 90°. Thecutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface. The included angle between two side surfaces of thecutting removal grooves 104 is 110°. - As shown in
FIG. 6 , the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.87 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm. The included angle between two side surfaces of the cutting edges 103 is 100.1°. Thecutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface. The included angle between two side surfaces of thecutting removal grooves 104 is 125.6°. - As shown in
FIGS. 7 and 8 , a polycrystalline diamond compact comprising eight cutting edges is provided. As shown inFIG. 7 , the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.78 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm. The included angle between two side surfaces of the cutting edges 103 is 90°. Thecutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface. The included angle between two side surfaces of thecutting removal grooves 104 is 113°. - As shown in
FIG. 8 , the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.76 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm. The included angle between two side surfaces of the cutting edges 103 is 99.3°. Thecutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface. The included angle between two side surfaces of thecutting removal grooves 104 is 122.8°. - As shown in
FIGS. 9 and 10 , a polycrystalline diamond compact comprising ten cutting edges is provided. As shown inFIG. 9 , the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.69 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm. The included angle between two side surfaces of the cutting edges 103 is 90°. Thecutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface. The included angle between two side surfaces of thecutting removal grooves 104 is 115°. - As shown in
FIG. 10 , the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.68 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm. The included angle between two side surfaces of the cutting edges 103 is 99.1°. Thecutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface. The included angle between two side surfaces of thecutting removal grooves 104 is 126.5°. - As shown in
FIGS. 11 and 12 , a polycrystalline diamond compact comprising eight cutting edges is provided. As shown inFIG. 11 , the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.72 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm. The included angle between two side surfaces of the cutting edges 103 is 90°. Thecutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface. The included angle between two side surfaces of thecutting removal grooves 104 is 116°. - As shown in
FIG. 12 , the radial extension length of the cutting edges 103 of the polycrystalline diamond compact is 1.70 mm, and the vertical distance from the peak of each of the cutting edges to the lowest point of the cutting removal grooves thereof is 1.23 mm. The included angle between two side surfaces of the cutting edges 103 is 99.7°. Thecutting removal grooves 104 and the cutting edges 103 are alternately disposed and form an annular structure on the upper surface. The included angle between two side surfaces of thecutting removal grooves 104 is 128.3°. - The polycrystalline diamond compacts in the examples 1-5 are suitable for drilling in complex formations such as hard rocks and tough interlayers. The multiple cutting edges can greatly improve the utilization rate of the polycrystalline diamond compact, reduce the drilling cost, and prevent the formation of bit balling.
- Unless otherwise indicated, the numerical ranges involved include the beginning and end values. It will be obvious to those skilled in the art that changes and modifications may be made, and therefore, the aim in the appended claims is to cover all such changes and modifications.
Claims (9)
1. A polycrystalline diamond compact, comprising:
a polycrystalline diamond layer, the polycrystalline diamond layer being in the form of a cylinder comprising an upper surface, a bottom surface, and a side wall connecting the upper surface and the bottom surface; and
a cemented carbide substrate, the cemented carbide substrate being bonded to the bottom surface of the polycrystalline diamond layer; wherein:
the upper surface comprises a center part and an edge part;
the edge part comprises a plurality of radially distributed cutting edges and cutting removal grooves;
the plurality of cutting edges and cutting removal grooves are alternately disposed on the upper surface; and
one end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the center part, and the other end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the side wall.
2. The polycrystalline diamond compact of claim 1 , wherein each of the plurality of cutting edges comprises a first side surface and a second side surface, and an included angle between the first side surface and the second side surface is greater than or equal to 90°.
3. The polycrystalline diamond compact of claim 1 , wherein the plurality of cutting edges and cutting removal grooves forms an annular structure on the upper surface.
4. The polycrystalline diamond compact of claim 1 , wherein a vertical distance from a peak of each of the cutting edges to a lowest point of the cutting removal grooves is greater than or equal to 0.2 mm, and a radial length of each of the cutting edges on the upper surface is greater than or equal to 0.5 mm.
5. The polycrystalline diamond compact of claim 1 , wherein chamfers are disposed at a joint between the edge part of the upper part and the side wall.
6. The polycrystalline diamond compact of claim 1 , wherein the center part of the upper surface of the polycrystalline diamond layer is provided with a cutting reservoir.
7. The polycrystalline diamond compact of claim 6 , wherein one end of each of the plurality of cutting edges and cutting removal grooves extends to communicate with the cutting reservoir.
8. The polycrystalline diamond compact of claim 7 , wherein the cutting reservoir is in the shape of circle or square.
9. The polycrystalline diamond compact of claim 8 , wherein a depth of the cutting reservoir relative to the upper surface is less than one tenth of a thickness of the polycrystalline diamond layer from the upper surface to the bottom surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/170,869 US11873684B2 (en) | 2017-03-14 | 2021-02-08 | Polycrystalline diamond compact |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710149094.2 | 2017-03-14 | ||
CN201710149094.2A CN106761428B (en) | 2017-03-14 | 2017-03-14 | A kind of efficient chip removal preform composite polycrystal-diamond of probing |
PCT/CN2017/105474 WO2018166191A1 (en) | 2017-03-14 | 2017-10-10 | Drilling pre-formed polycrystalline diamond compact with efficient debris removal function |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2017/105474 Continuation-In-Part WO2018166191A1 (en) | 2017-03-14 | 2017-10-10 | Drilling pre-formed polycrystalline diamond compact with efficient debris removal function |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/170,869 Continuation-In-Part US11873684B2 (en) | 2017-03-14 | 2021-02-08 | Polycrystalline diamond compact |
Publications (1)
Publication Number | Publication Date |
---|---|
US20190203539A1 true US20190203539A1 (en) | 2019-07-04 |
Family
ID=58961493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/297,718 Abandoned US20190203539A1 (en) | 2017-03-14 | 2019-03-11 | Polycrystalline diamond compact |
Country Status (3)
Country | Link |
---|---|
US (1) | US20190203539A1 (en) |
CN (1) | CN106761428B (en) |
WO (1) | WO2018166191A1 (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210164296A1 (en) * | 2017-03-14 | 2021-06-03 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact |
US11208849B2 (en) * | 2019-11-04 | 2021-12-28 | National Oilwell DHT, L.P. | Drill bit cutter elements and drill bits including same |
US11578538B2 (en) | 2020-01-09 | 2023-02-14 | Schlumberger Technology Corporation | Cutting element with nonplanar face to improve cutting efficiency and durability |
EP4100612A4 (en) * | 2020-02-05 | 2023-10-18 | Baker Hughes Oilfield Operations LLC | Cutting element with improved mechanical efficiency |
USD1004654S1 (en) * | 2021-12-01 | 2023-11-14 | Element Six (Uk) Limited | Friction stir welding tool |
USD1004649S1 (en) * | 2022-05-24 | 2023-11-14 | Element Six (Uk) Limited | Friction stir welding tool assembly |
US20230417109A1 (en) * | 2020-11-24 | 2023-12-28 | Schlumberger Technology Corporation | Pdc cutter with enhanced performance and durability |
USD1011396S1 (en) * | 2021-12-01 | 2024-01-16 | Element Six (Uk) Limited | Friction stir welding tool assembly |
USD1011395S1 (en) * | 2021-12-01 | 2024-01-16 | Element Six (Uk) Limited | Friction stir welding tool assembly |
US20240110447A1 (en) * | 2022-09-29 | 2024-04-04 | Halliburton Energy Services, Inc. | Shaped Cutter With Peripheral Cutting Teeth And Tapered Open Region |
USD1026979S1 (en) | 2020-12-03 | 2024-05-14 | Us Synthetic Corporation | Cutting tool |
USD1026982S1 (en) | 2019-01-11 | 2024-05-14 | Us Synthetic Corporation | Cutting tool |
US12078016B2 (en) | 2023-02-13 | 2024-09-03 | Schlumberger Technology Corporation | Downhole cutting tool having cutting element with nonplanar face to improve cutting efficiency and durability |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106761428B (en) * | 2017-03-14 | 2019-04-23 | 河南四方达超硬材料股份有限公司 | A kind of efficient chip removal preform composite polycrystal-diamond of probing |
CN207673290U (en) * | 2017-11-15 | 2018-07-31 | 河南四方达超硬材料股份有限公司 | Complicated hard rock stratum probing high impact-resistant type on-plane surface composite polycrystal-diamond |
US10577870B2 (en) * | 2018-07-27 | 2020-03-03 | Baker Hughes, A Ge Company, Llc | Cutting elements configured to reduce impact damage related tools and methods—alternate configurations |
CN111764829A (en) * | 2019-04-01 | 2020-10-13 | 成都百施特金刚石钻头有限公司 | Polycrystalline diamond compact for plastic stratum |
GB201907976D0 (en) * | 2019-06-04 | 2019-07-17 | Element Six Uk Ltd | A cutting element and methods of making same |
CN110500039A (en) | 2019-07-10 | 2019-11-26 | 河南四方达超硬材料股份有限公司 | Polycrystalline diamond compact with extension |
USD1026981S1 (en) | 2021-10-14 | 2024-05-14 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact with a tripartite raised surface |
USD997219S1 (en) | 2021-10-14 | 2023-08-29 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact with a double-layer structure |
USD1026980S1 (en) | 2021-10-14 | 2024-05-14 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact with a raised surface and groove therein |
USD1006073S1 (en) | 2021-10-14 | 2023-11-28 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact with a raised surface sloping to a peripheral extension |
USD1006074S1 (en) | 2021-10-14 | 2023-11-28 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact with a raised triangular structure |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100084198A1 (en) * | 2008-10-08 | 2010-04-08 | Smith International, Inc. | Cutters for fixed cutter bits |
US20160230471A1 (en) * | 2011-05-26 | 2016-08-11 | Us Synthetic Corporation | Polycrystalline diamond compacts with partitioned substrate, polycrystalline diamond table, or both |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5282513A (en) * | 1992-02-04 | 1994-02-01 | Smith International, Inc. | Thermally stable polycrystalline diamond drill bit |
US6315652B1 (en) * | 2001-04-30 | 2001-11-13 | General Electric | Abrasive tool inserts and their production |
CN201202408Y (en) * | 2008-06-04 | 2009-03-04 | 河南四方达超硬材料股份有限公司 | Polycrystalline diamond hard alloy composite sheet grooving on surface |
CN102409981A (en) * | 2010-09-25 | 2012-04-11 | 中国石油集团渤海石油装备制造有限公司 | Assembled diamond compound sheet |
CN105134086B (en) * | 2015-08-18 | 2018-01-26 | 中国石油大学(华东) | Composite polycrystal-diamond with anti-adhesion characteristics |
CN205259954U (en) * | 2015-12-24 | 2016-05-25 | 河南四方达超硬材料股份有限公司 | Multiple -cutting -edge special shaped structure polycrystalline diamond compact |
CN205778558U (en) * | 2016-05-30 | 2016-12-07 | 成都百施特金刚石钻头有限公司 | Ridged cutting tooth |
CN206693924U (en) * | 2017-03-14 | 2017-12-01 | 河南四方达超硬材料股份有限公司 | The efficient chip removal preform composite polycrystal-diamond of one kind probing |
CN106761428B (en) * | 2017-03-14 | 2019-04-23 | 河南四方达超硬材料股份有限公司 | A kind of efficient chip removal preform composite polycrystal-diamond of probing |
CN106984906B (en) * | 2017-05-04 | 2019-04-02 | 河南四方达超硬材料股份有限公司 | The laser processing of oil bit curved surface composite polycrystal-diamond |
-
2017
- 2017-03-14 CN CN201710149094.2A patent/CN106761428B/en active Active
- 2017-10-10 WO PCT/CN2017/105474 patent/WO2018166191A1/en active Application Filing
-
2019
- 2019-03-11 US US16/297,718 patent/US20190203539A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100084198A1 (en) * | 2008-10-08 | 2010-04-08 | Smith International, Inc. | Cutters for fixed cutter bits |
US20160230471A1 (en) * | 2011-05-26 | 2016-08-11 | Us Synthetic Corporation | Polycrystalline diamond compacts with partitioned substrate, polycrystalline diamond table, or both |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210164296A1 (en) * | 2017-03-14 | 2021-06-03 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact |
US11873684B2 (en) * | 2017-03-14 | 2024-01-16 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact |
USD1026982S1 (en) | 2019-01-11 | 2024-05-14 | Us Synthetic Corporation | Cutting tool |
US11788361B2 (en) | 2019-11-04 | 2023-10-17 | National Oilwell Varco, L.P. | Drill bit cutter elements and drill bits including same |
US11208849B2 (en) * | 2019-11-04 | 2021-12-28 | National Oilwell DHT, L.P. | Drill bit cutter elements and drill bits including same |
US11578538B2 (en) | 2020-01-09 | 2023-02-14 | Schlumberger Technology Corporation | Cutting element with nonplanar face to improve cutting efficiency and durability |
EP4100612A4 (en) * | 2020-02-05 | 2023-10-18 | Baker Hughes Oilfield Operations LLC | Cutting element with improved mechanical efficiency |
US20230417109A1 (en) * | 2020-11-24 | 2023-12-28 | Schlumberger Technology Corporation | Pdc cutter with enhanced performance and durability |
USD1026979S1 (en) | 2020-12-03 | 2024-05-14 | Us Synthetic Corporation | Cutting tool |
USD1004654S1 (en) * | 2021-12-01 | 2023-11-14 | Element Six (Uk) Limited | Friction stir welding tool |
USD1011396S1 (en) * | 2021-12-01 | 2024-01-16 | Element Six (Uk) Limited | Friction stir welding tool assembly |
USD1011395S1 (en) * | 2021-12-01 | 2024-01-16 | Element Six (Uk) Limited | Friction stir welding tool assembly |
USD1004649S1 (en) * | 2022-05-24 | 2023-11-14 | Element Six (Uk) Limited | Friction stir welding tool assembly |
US20240110447A1 (en) * | 2022-09-29 | 2024-04-04 | Halliburton Energy Services, Inc. | Shaped Cutter With Peripheral Cutting Teeth And Tapered Open Region |
US12078016B2 (en) | 2023-02-13 | 2024-09-03 | Schlumberger Technology Corporation | Downhole cutting tool having cutting element with nonplanar face to improve cutting efficiency and durability |
Also Published As
Publication number | Publication date |
---|---|
CN106761428A (en) | 2017-05-31 |
WO2018166191A1 (en) | 2018-09-20 |
CN106761428B (en) | 2019-04-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20190203539A1 (en) | Polycrystalline diamond compact | |
US20210164296A1 (en) | Polycrystalline diamond compact | |
US11377910B2 (en) | Polycrystalline diamond compact | |
US11391095B2 (en) | Polycrystalline diamond compact and drilling bit | |
US20190368276A1 (en) | Polycrystalline diamond compact | |
US11725459B2 (en) | Multiple ridge diamond compact for drill bit and drill bit | |
US9556683B2 (en) | Earth boring tool with improved arrangement of cutter side rakes | |
US11753872B2 (en) | Percussion drill bit with at least one wear insert, related systems, and methods | |
US11021913B2 (en) | Direct casting of ultrahard insert in bit body | |
RU2629267C2 (en) | Cutting structures for fixed cutter drill bit and other downhole drilling tools | |
CN110145243A (en) | Non-planar polycrystalline diamond compact and drill bit for oil drilling | |
WO2017105804A1 (en) | Cutting elements formed from combinations of materials and bits incorporating the same | |
US6918455B2 (en) | Drill bit with large inserts | |
CN105215388A (en) | A kind of hard alloy substrate and composite polycrystal-diamond | |
CN210178286U (en) | High-strength interface-bonded polycrystalline diamond compact | |
WO2023165592A1 (en) | Multi-cutting-edge diamond compact and earth drilling tool | |
CN216841452U (en) | Multi-cutting-edge diamond compact | |
EP3565942B1 (en) | Wellbore reaming tool having shear cutters and gouging cutters | |
CN205110834U (en) | Cemented carbide substrate and polycrystalline diamond compact | |
CN210637044U (en) | Multi-curved-surface high-toughness sharp PDC | |
CN110728076B (en) | Method for calculating bottom hole rock support dimension | |
CN202249785U (en) | Internally convex four-wing plug bit | |
US20140262537A1 (en) | Cutting element with improved substrate material | |
US8511405B2 (en) | Drill bit with tiered cutters | |
CN101408092A (en) | Rear inclined circular angle-shaped spiral drag bit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: SF DIAMOND CO., LTD., CHINA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ZHAO, DONGPENG;DU, WEIFENG;NIU, TONGJIAN;AND OTHERS;REEL/FRAME:048566/0525 Effective date: 20180426 |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: FINAL REJECTION MAILED |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |