CN111379525A - Nanometer spraying compensation matrix type PDC drill bit - Google Patents
Nanometer spraying compensation matrix type PDC drill bit Download PDFInfo
- Publication number
- CN111379525A CN111379525A CN202010311012.1A CN202010311012A CN111379525A CN 111379525 A CN111379525 A CN 111379525A CN 202010311012 A CN202010311012 A CN 202010311012A CN 111379525 A CN111379525 A CN 111379525A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- fixedly connected
- cutting
- compensation matrix
- matrix type
- 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
- 239000011159 matrix material Substances 0.000 title claims abstract description 16
- 238000005507 spraying Methods 0.000 title claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 7
- 229910003460 diamond Inorganic materials 0.000 description 5
- 239000010432 diamond Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a nano-spraying compensation matrix type PDC drill bit which comprises a cutter holder, a fixed block, a cutter handle, a cutter edge and a cutter body, wherein the bottom of the cutter handle is fixedly connected with the top of the cutter body, a clamping block is fixedly connected to the top of one side of the inner wall of the fixed block, one side of the clamping block, which is far away from the fixed block, penetrates through the cutter handle and extends into the cutter handle, and clamping grooves matched with the clamping block are formed in two sides of the cutter handle. The invention relates to the technical field of talcum powder production, and the nano-spraying compensation matrix type PDC drill bit can realize that a split structure is adopted between the drill bit and a connector, when the drill bit is worn and needs to be replaced, the drill bit and the connector are tightly connected without integral replacement, the normal use of drill bit drilling is not influenced, certain economic cost is reduced, meanwhile, the arrangement of cutting sharp teeth increases the cutting pressure, and the drilling is carried out in a penetration mode, so that the cutting speed is high, and the effect is high.
Description
Technical Field
The invention relates to the technical field of talcum powder production, in particular to a nano-spraying compensation matrix type PDC drill bit.
Background
The bit is the main tool for breaking rock in the drilling process, the well is formed by breaking rock with the bit, the quality of a well is good, the time used is related to the characteristics of the rock in the drilled stratum and the performance of the bit, and the matching degree between the bit and the stratum, the reasonable selection of the bit plays an important role in improving the drilling speed and reducing the comprehensive drilling cost, the bit is one of the important tools for petroleum drilling, whether the bit is suitable for the rock and the quality of the rock or not plays a very important role in selecting the drilling process, especially has a great influence on the drilling quality, the drilling speed and the drilling cost, the PDC bit is a face breaking tool widely used in the current petroleum and natural gas exploration and release industries, effectively improves the mechanical drilling tool and shortens the drilling period, the polycrystalline diamond compact bit is a compact which is circular and is embedded and welded on a cylindrical cutting tool, and the cutting tool is embedded on a bit body to form the PDC bit.
The PDC drill bit plays an important role in the petroleum drilling process, the commonly used drill bit is a screw drill bit, the head of the drill bit and a connector are of a fixed integrated structure, the connector is connected with a screw rod of a drilling tool through threads on the surface, the drill bit can be driven to rotate when the screw rod of the drilling tool rotates so as to perform the drilling work, however, because the cutting wings on the surface of the drill bit are in friction contact with the rock for a long time, the cutting strength of the drill bit is reduced for a long time, the surface of the cutting wings gradually becomes circular arc, so that the cutting capability of the drill bit is lost, and the whole drilling tool needs to be replaced, undoubtedly increase certain economic cost under the condition that the joint is intact, and meanwhile, the existing drill bit adopts the cylindrical transverse tooth to carry out plunge cutting, when meeting the ultra-hard and wear-resistant stratum, the mode is not easy to cut, has larger resistance and poor cutting effect, therefore, the utility model provides a nanometer spraying compensation matrix formula PDC drill bit to above problem.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a nano-spraying compensation matrix type PDC drill bit to solve the technical problems that when a cutting wing on the surface of the drill bit is in friction contact with rock for a long time in the prior art, the whole drill bit needs to be replaced under the condition that a joint is intact, certain economic cost is increased, and meanwhile, the existing drill bit adopts cylindrical cross teeth to perform plunge cutting on a superhard wear-resistant stratum, so that the existing drill bit is difficult to plunge, has large resistance and is poor in cutting effect.
According to the embodiment of the invention, the nano-spraying compensation matrix type PDC drill bit comprises a drill bit, a joint and a gauge block, wherein the surface of the gauge block is fixedly connected with the surface of the drill bit, the bottom end of the drill bit is fixedly connected with a fixed block, the top end of the joint is fixedly connected with an installation block, two sides of the top of the installation block are fixedly connected with a trapezoidal block, two sides of the bottom of the fixed block are respectively provided with a trapezoidal groove matched with the trapezoidal block, the front side and the back side of the trapezoidal block are respectively fixedly connected with a threaded rod, and the surface of the threaded rod is in threaded connection with a fastening nut.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a nano-spraying compensation matrix type PDC drill bit, wherein a fixed block is fixedly connected with the bottom end of the drill bit, an installation block is fixedly connected with the top end of a connector, trapezoidal blocks are fixedly connected with two sides of the top of the installation block, trapezoidal grooves matched with the trapezoidal blocks are formed in two sides of the bottom of the fixed block, threaded rods are fixedly connected with the front and the back of each trapezoidal block, fastening nuts are connected with the surfaces of the threaded rods in a threaded manner, movable sleeves are rotatably connected with the front and the back of the installation block through connecting rods, cutting sleeves are fixedly connected with the bottoms of the surfaces of the movable sleeves through connecting blocks, through holes matched with the threaded rods are formed in two sides of the front of the cutting sleeves, matched threaded holes are formed in the middle parts of the front of the installation block and the cutting sleeves, fastening washers are fixedly connected with the inner walls of the through holes, cutting wings are fixedly, can realize adopting split type structure between with drill bit and the joint, when the drill bit takes place wearing and tearing need be changed, need not wholly to replace, fastening connection between drill bit and the joint can not influence the normal use of drill bit drilling, has reduced certain economic cost, and the setting up of cutting sharp tooth makes the cutting pressure increase simultaneously, adopts the mode of pricking into to drill a well, and cutting speed is fast and the effect is high.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of the drill bit construction of the present invention;
FIG. 3 is a perspective view of the structure of the card sleeve of the present invention;
FIG. 4 is a perspective view of the threaded rod, fastening nut and trapezoidal block structure of the present invention;
fig. 5 is a partial enlarged view of the invention at a in fig. 1.
The labels in the figure are: 1. a drill bit; 2, a gauge protection block; 3. a fixed block; 4. mounting blocks; 5. a trapezoidal block; 6. a trapezoidal groove; 7. a threaded rod; 8. fastening a nut; 9. a movable sleeve; 10. a card sleeve; 11. a through hole; 12. a threaded hole; 13. a fastening washer; 14. a cutting wing; 15. cutting sharp teeth; 16. a PDC composite sheet; 17. water holes; 18. and (4) a joint.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1-5, an embodiment of the present invention provides a nano-spray compensation matrix type PDC drill bit, including a drill bit 1, a joint 18, and a gauge block 2, wherein a surface of the gauge block 2 is fixedly connected to a surface of the drill bit 1, a bottom end of the drill bit 1 is fixedly connected to a fixed block 3, a top end of the joint 18 is fixedly connected to an installation block 4, two sides of a top of the installation block 4 are both fixedly connected to a trapezoidal block 5, two sides of a bottom of the fixed block 3 are both provided with trapezoidal grooves 6 adapted to the trapezoidal block 5, a front surface and a back surface of the trapezoidal block 5 are both fixedly connected to a threaded rod 7, and a surface of the threaded rod 7 is in threaded connection with.
Preferably, the front and the back of the mounting block 4 are rotatably connected with a movable sleeve 9 through a connecting rod, and the bottom of the surface of the movable sleeve 9 is fixedly connected with a clamping sleeve 10 through a connecting block.
In the scheme, when the replaced drill bit 1 is installed on the joint 18, the trapezoidal block 5 on the installation block 4 slides to the inside of the trapezoidal groove 6, the trapezoidal groove 6 completely wraps the trapezoidal block 5, then the cutting sleeve 10 is upwards turned on the connecting rod through the movable sleeve 9, the fastening washer 13 on the cutting sleeve 10 is just sleeved on the threaded rod 7, the fastening nut 8 is sleeved on the threaded rod 7, the cutting sleeve 10 is limited through rotary fastening, finally, the screw is inserted into the threaded hole 12, the cutting sleeve 10 is fixed on the fixed block 3, the trapezoidal block 5 is prevented from being separated from the trapezoidal groove 6, the joint 18 is connected with the drill screw through the thread on the surface, the rotation of the drill screw can drive the joint 18 to rotate, the joint 18 then drives the drill bit 1 to rotate, and the drill bit 1 rotates through the arrangement of the cutting sharp teeth 15 to perform drilling work, thus, the whole work is completed.
As preferred, the positive both sides of cutting ferrule 10 all offer with the through-hole 11 of 7 looks adaptations of threaded rod, the screw hole 12 of looks adaptation is all offered with the positive middle part of cutting ferrule 10 to installation piece 4, and the setting of through-hole 11 is for convenient cutting ferrule 10 cover on threaded rod 7, and the setting of screw hole 12 is for convenient use screw with cutting ferrule 10 and fixed block 3 between fixed connection, prevents that trapezoidal piece 5 from breaking away from out in trapezoidal groove 6.
Preferably, a fastening washer 13 is fixedly connected to an inner wall of the through hole 11, and the fastening washer 13 has a certain fastening force and is made of elastic rubber.
Preferably, the cutting wings 14 are fixedly connected to the tops of the gauge blocks 2, the cutting sharp teeth 15 are fixedly connected to the surfaces of the cutting wings 14, the cutting sharp teeth 15 are arranged to increase cutting pressure, and drilling is performed in a plunging manner, so that the cutting speed is high, and the effect is high.
Preferably, the surface of the gauge block 2 is fixedly connected with a PDC (polycrystalline diamond compact) 16, the top end of the drill bit 1 is provided with a water hole 17, and the PDC 16 is also named as a polycrystalline diamond compact, belongs to a novel functional material, is formed by sintering diamond micro powder and a hard alloy substrate under the conditions of ultrahigh pressure and high temperature, has the high hardness, high wear resistance and heat conductivity of diamond and the strength and impact toughness of hard alloy, and is an ideal material for manufacturing cutting tools, drilling bits and other wear-resistant tools.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. The utility model provides a nanometer spraying compensation matrix formula PDC drill bit, includes drill bit, joint and guarantor's footpath piece, the fixed surface of guarantor's footpath piece is connected its characterized in that with the fixed surface of drill bit: the bottom fixedly connected with fixed block of drill bit, the top fixedly connected with installation piece that connects, the equal fixedly connected with trapezoidal piece in both sides at installation piece top, the trapezoidal groove with trapezoidal piece looks adaptation is all seted up to the both sides of fixed block bottom, the equal fixedly connected with threaded rod in the front and the back of trapezoidal piece, the surperficial threaded connection of threaded rod has fastening nut.
2. The nano-spray compensation matrix type PDC drill bit of claim 1, wherein: the front and the back of the mounting block are both rotatably connected with a movable sleeve through a connecting rod, and the bottom of the surface of the movable sleeve is fixedly connected with a clamping sleeve through a connecting block.
3. The nano-spray compensation matrix type PDC drill bit of claim 2, wherein: the positive both sides of cutting ferrule all set up the through-hole with the threaded rod looks adaptation, the screw hole of looks adaptation is all seted up with the positive middle part of cutting ferrule to the installation piece.
4. The nano-spray compensation matrix type PDC drill bit of claim 3, wherein: and the inner wall of the through hole is fixedly connected with a fastening washer.
5. The nano-spray compensation matrix type PDC drill bit of claim 1, wherein: the top of gauge block fixedly connected with cutting wing, and the fixed surface of cutting wing is connected with the cutting sharp tooth.
6. The nano-spray compensation matrix type PDC drill bit of claim 1, wherein: the fixed surface of gage piece is connected with the compound piece of PDC, the water hole has been seted up on the top of drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010311012.1A CN111379525A (en) | 2020-04-20 | 2020-04-20 | Nanometer spraying compensation matrix type PDC drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010311012.1A CN111379525A (en) | 2020-04-20 | 2020-04-20 | Nanometer spraying compensation matrix type PDC drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111379525A true CN111379525A (en) | 2020-07-07 |
Family
ID=71217737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010311012.1A Pending CN111379525A (en) | 2020-04-20 | 2020-04-20 | Nanometer spraying compensation matrix type PDC drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111379525A (en) |
-
2020
- 2020-04-20 CN CN202010311012.1A patent/CN111379525A/en active Pending
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