CN108035681B - Ocean oil field drill bit - Google Patents
Ocean oil field drill bit Download PDFInfo
- Publication number
- CN108035681B CN108035681B CN201711265145.4A CN201711265145A CN108035681B CN 108035681 B CN108035681 B CN 108035681B CN 201711265145 A CN201711265145 A CN 201711265145A CN 108035681 B CN108035681 B CN 108035681B
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- 239000002245 particle Substances 0.000 claims abstract description 14
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 49
- 239000008247 solid mixture Substances 0.000 claims description 13
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 10
- 239000004927 clay Substances 0.000 claims description 9
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 7
- 239000005977 Ethylene Substances 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 239000003921 oil Substances 0.000 claims description 7
- 239000005011 phenolic resin Substances 0.000 claims description 7
- 229920001568 phenolic resin Polymers 0.000 claims description 7
- 229910052582 BN Inorganic materials 0.000 claims description 6
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 6
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims description 6
- 229910000628 Ferrovanadium Inorganic materials 0.000 claims description 6
- 239000006004 Quartz sand Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 6
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 6
- 239000012783 reinforcing fiber Substances 0.000 claims description 5
- 239000012745 toughening agent Substances 0.000 claims description 4
- FQNGWRSKYZLJDK-UHFFFAOYSA-N [Ca].[Ba] Chemical compound [Ca].[Ba] FQNGWRSKYZLJDK-UHFFFAOYSA-N 0.000 claims description 3
- NCJRLCWABWKAGX-UHFFFAOYSA-N [Si].[Ca].[Ba] Chemical compound [Si].[Ca].[Ba] NCJRLCWABWKAGX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052916 barium silicate Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
-
- 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
- E21B12/00—Accessories for drilling tools
- E21B12/04—Drill bit protectors
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a marine oil field drill bit, which mainly comprises a connecting rod and a drill body, wherein the top of the drill body is fixedly connected with a bottom plate of the connecting rod, the drill body comprises a drill bit and auxiliary drills, the auxiliary drills are arranged on the end surface of a drill bit base body, the drill bit is conical, the auxiliary drills are multiple, abrasive particles are uniformly and fixedly arranged on the auxiliary drills, a water gap is formed between every two adjacent auxiliary drills and is streamline, the auxiliary drills are surrounded by the drill bit as a central shaft to form an arc shape, the bottom of the auxiliary drills is slightly lower than the bottom of the drill bit, and a hard alloy layer is fixedly arranged at the bottom of the drill bit. The practical effect can be ensured, and the practicability is ensured.
Description
Technical Field
The invention relates to the technical field of processing tools, in particular to an offshore oilfield drill bit.
Background
The drill is a tool for drilling through holes or blind holes in solid materials and reaming existing holes. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Reamers and reamers cannot drill holes in solid materials, but are also traditionally classified as drills; during digging, the drill bit rotates along with the vertical shaft and moves axially. The soil is cut under the action of torque and axial force of the drill bit, loosened under the action of extrusion and centrifugal force of the working blades, pressed to the pit wall by formed soil flow, and lifted to the ground along the page. When the soil flow moves to the position without pit wall blocking, the broken soil is thrown to the periphery of the pit due to the centrifugal force, and the pit digging process is completed.
At present, along with the continuous development of oil exploration technology, the oil exploration technology is continuously improved, the requirements on a drill bit for oil exploration are higher and higher, in the prior art, the oil exploration drill bit is too single, the same drill bit is used in different geology, the abrasion of the drill bit can be caused, the service life of the drill bit is shortened, and meanwhile, the drilling progress can be influenced.
Disclosure of Invention
The present invention aims to provide a marine oil field drill bit to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a marine oilfield drill bit comprises a connecting rod and a drill body, wherein the top of the drill body is fixedly connected with a bottom plate of the connecting rod, the drill body comprises drill bits and auxiliary drills, the auxiliary drills are arranged on the end face of a drill bit base body, the drill bits are conical, the auxiliary drills are multiple, abrasive particles are uniformly and fixedly arranged on the auxiliary drills, a water gap is formed between every two adjacent auxiliary drills and is streamline, the auxiliary drills are surrounded by the drill bits as central shafts to form an arc shape, the bottoms of the auxiliary drills are slightly lower than the bottoms of the drill bits, and a hard alloy layer is fixedly arranged at the bottoms of the drill bits; the abrasive particles are diamond abrasive particles, and the outer convex surfaces of the abrasive particles are arc-shaped; the drill body is further sprayed with a protective layer, the protective layer comprises a solid composition, a phenolic resin coating and a graphite ethylene layer, the graphite ethylene layer is coated above the solid composition, the phenolic resin coating is coated below the solid composition, the solid composition comprises a reinforced fiber layer, a carbon fiber layer and a refractory clay layer, and the reinforced fiber layer, the carbon fiber layer and the refractory clay layer are sequentially and closely arranged; the thickness of the hard alloy layer is 5-8 CM; the surface of the drill bit is also sprayed with a wear-resistant material layer, and the wear-resistant material layer comprises, by weight, 10-30 parts of ferrovanadium, 10-20 parts of ferrotitanium, 5-15 parts of calcium barium silicate, 4-12 parts of quartz sand, 8-18 parts of alumina ultrafine powder, 2-8 parts of chromium oxide, 10-20 parts of silicon carbide grains, 4-10 parts of a toughening agent, 5-15 parts of zirconium silicate, 10-30 parts of boron nitride and 8-18 parts of lanthanum oxide.
Preferably, the wear-resistant material layer comprises 20 parts of ferrovanadium, 15 parts of ferrotitanium, 10 parts of calcium barium silicate, 8 parts of quartz sand, 13 parts of alumina ultrafine powder, 5 parts of chromium oxide, 15 parts of silicon carbide grains, 7 parts of a toughening agent, 10 parts of zirconium silicate, 20 parts of boron nitride and 13 parts of lanthanum oxide.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention has simple structure, is practical, safe and convenient, can effectively ensure the submergence efficiency of drilling, simultaneously ensures the adaptive life of the drill body, utilizes the drill bit to open the drill in advance by a point, then utilizes the auxiliary drill to open the drill in a face manner, ensures that the rock stratum can be firstly cracked under the action of the drill bit, can ensure the practical effect by the integral face opening of the auxiliary drill, and also ensures the practicability because the bottom is not easy to wear in an accelerated manner when the drill bit is in advance.
(2) In the invention, the protective layer sprayed on the drill body is adopted, so that the advantages of wear resistance, flame retardance, compression resistance and deformation resistance of the drill body can be effectively ensured, the drill body is suitable for being used in different environments, and the service life is long; wherein, the arranged fireproof clay layer has the advantages of heat insulation and fire prevention; the refractory performance of the drill bit is improved, and the drill bit is not easy to generate annealing performance when in use, so that the hardness of the drill bit is reduced.
(3) In the invention, the wear-resistant material layer sprayed on the surface of the drill bit has good wear resistance, corrosion resistance, adhesion and impact resistance; the service life of the drill bit can be prolonged.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic bottom view of the drill body of the present invention.
FIG. 3 is a schematic cross-sectional view of a protective layer structure according to the present invention.
In the figure: 1. a connecting rod; 2. a drill body; 3. a drill bit; 4. auxiliary drilling; 5. abrasive particles; 6. a hard alloy layer; 7. a protective layer; 8. a solid composition; 9. a phenolic resin coating; 10. a graphite ethylene layer; 11. a reinforcing fiber layer; 12. a carbon fiber layer; 13. a refractory clay layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a marine oilfield drill bit comprises a connecting rod 1 and a drill body 2, wherein the top of the drill body 2 is fixedly connected with a bottom plate of the connecting rod 1, the drill body 2 comprises drill bits 3 and auxiliary drill bits 4, the auxiliary drill bits 4 are arranged on the end surface of a base body of the drill bits 3, the drill bits 3 are conical, the auxiliary drill bits 4 are multiple, abrasive particles 5 are uniformly fixed on the auxiliary drill bits 4, a water gap is formed between every two adjacent auxiliary drill bits 4, the water gap is streamline, the auxiliary drill bits 4 are enclosed by taking the drill bits 3 as a central shaft to form an arc shape, the bottom of the auxiliary drill bits 4 is slightly lower than the bottom of the drill bits 3, and a hard alloy layer 6 is fixedly arranged at the bottom of the drill bits 3; the abrasive particles 5 are diamond abrasive particles, and the outer convex surfaces of the abrasive particles 5 are arc-shaped; adopt this project organization, can effectively ensure the body of boring when dive operating efficiency, can effectively ensure simultaneously to effectively bore brokenly to the rock layer, and in order to keep better the operation of diving, still evenly be provided with diamond grit on assisting the brill, and in order to ensure the life-span that diamond grit used, assist the diamond grit adoption rounding of boring body outlying to the protrusion and handle, when guaranteeing the atress, better even stress distribution, the reduction is too big because of local atress, diamond grit produces the risk of bursting.
According to the invention, the drill body 2 is further sprayed with a protective layer 7, the protective layer 7 comprises a solid composition 8, a phenolic resin coating 9 and a graphite ethylene layer 10, the graphite ethylene layer 01 is coated above the solid composition 8, the phenolic resin coating 9 is coated below the solid composition 8, the solid composition 8 comprises a reinforcing fiber layer 11, a carbon fiber layer 12 and a refractory clay layer 13, and the reinforcing fiber layer 11, the carbon fiber layer 12 and the refractory clay layer 13 are sequentially and tightly arranged; the protective layer sprayed on the drill body is adopted, so that the advantages of wear resistance, flame retardance, compression resistance and deformation resistance of the drill body can be effectively ensured, the drill body is suitable for being used in different environments, and the service life is long; wherein, the arranged fireproof clay layer has the advantages of heat insulation and fire prevention; the refractory performance of the drill bit is improved, and the drill bit is not easy to generate annealing performance when in use, so that the hardness of the drill bit is reduced.
In the present invention, the thickness of the hard alloy layer 6 is 5CM to 8 CM; by adopting the design structure, the service life of the drill bit can be ensured just.
In the invention, the surface of the drill bit is also sprayed with a wear-resistant material layer, and the wear-resistant material layer comprises, by weight, 10-30 parts of ferrovanadium, 10-20 parts of ferrotitanium, 5-15 parts of silicon-calcium-barium, 4-12 parts of quartz sand, 8-18 parts of alumina ultrafine powder, 2-8 parts of chromium oxide, 10-20 parts of silicon carbide grains, 4-10 parts of a toughening agent, 5-15 parts of zirconium silicate, 10-30 parts of boron nitride and 8-18 parts of lanthanum oxide.
The preferable component proportion comprises 20 parts of ferrovanadium, 15 parts of ferrotitanium, 10 parts of silicon-calcium-barium, 8 parts of quartz sand, 13 parts of alumina superfine powder, 5 parts of chromium oxide, 15 parts of silicon carbide crystal grains, 7 parts of flexibilizer, 10 parts of zirconium silicate, 20 parts of boron nitride and 13 parts of lanthanum oxide.
In the invention, the wear-resistant material layer sprayed on the surface of the drill bit has good wear resistance, corrosion resistance, adhesion and impact resistance; the service life of the drill bit can be prolonged.
In summary, the drill bit is novel in structural design, safe and convenient to use, the efficiency of well drilling submergence can be effectively guaranteed, the adaptive life of the drill body is guaranteed, the drill bit is used for drilling at a point in advance, then the auxiliary drill is used for drilling at a surface, the rock stratum can be guaranteed to be cracked in advance under the action of the drill bit, the practical effect can be guaranteed when the whole surface is drilled through the auxiliary drill, and in order to guarantee that the bottom of the drill bit is not easy to wear in an accelerated manner when the drill bit is used in advance, the bottom of the drill bit is provided with the hard alloy layer, so that the practicability is.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a marine oil field drill bit, includes connecting rod (1) and bores body (2), its characterized in that: the top of the drill body (2) is fixedly connected with a bottom plate of the connecting rod (1), the drill body (2) comprises drill bits (3) and auxiliary drill bits (4), the auxiliary drill bits (4) are arranged on the end surface of a base body of each drill bit (3), the drill bits (3) are conical, the auxiliary drill bits (4) are multiple, abrasive particles (5) are uniformly fixed on the auxiliary drill bits (4), a water gap is formed between every two adjacent auxiliary drill bits (4), the water gap is streamline, the auxiliary drill bits (4) are enclosed by the drill bits (3) as a central shaft to form an arc shape, the bottom of each auxiliary drill bit (4) is slightly lower than the bottom of each drill bit (3), and a hard alloy layer (6) is fixedly arranged at the bottom of each drill bit (3); the abrasive particles (5) are diamond abrasive particles, and the outer convex surfaces of the abrasive particles (5) are arc-shaped; the drill body (2) is further sprayed with a protective layer (7), the protective layer (7) comprises a solid composition (8), a phenolic resin coating (9) and a graphite ethylene layer (10), the graphite ethylene layer (10) is coated above the solid composition (8), the phenolic resin coating (9) is coated below the solid composition (8), the solid composition (8) comprises a reinforcing fiber layer (11), a carbon fiber layer (12) and a refractory clay layer (13), and the reinforcing fiber layer (11), the carbon fiber layer (12) and the refractory clay layer (13) are sequentially and closely arranged; the thickness of the hard alloy layer (6) is 5-8 CM; the surface of the drill bit is also sprayed with a wear-resistant material layer, and the wear-resistant material layer comprises, by weight, 10-30 parts of ferrovanadium, 10-20 parts of ferrotitanium, 5-15 parts of calcium barium silicate, 4-12 parts of quartz sand, 8-18 parts of alumina ultrafine powder, 2-8 parts of chromium oxide, 10-20 parts of silicon carbide grains, 4-10 parts of a toughening agent, 5-15 parts of zirconium silicate, 10-30 parts of boron nitride and 8-18 parts of lanthanum oxide.
2. A marine oilfield drill bit according to claim 1, wherein: the preferable component proportion of the wear-resistant material layer comprises 20 parts of ferrovanadium, 15 parts of ferrotitanium, 10 parts of silicon-calcium-barium, 8 parts of quartz sand, 13 parts of alumina superfine powder, 5 parts of chromium oxide, 15 parts of silicon carbide grains, 7 parts of flexibilizer, 10 parts of zirconium silicate, 20 parts of boron nitride and 13 parts of lanthanum oxide.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711265145.4A CN108035681B (en) | 2017-12-05 | 2017-12-05 | Ocean oil field drill bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711265145.4A CN108035681B (en) | 2017-12-05 | 2017-12-05 | Ocean oil field drill bit |
Publications (2)
Publication Number | Publication Date |
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CN108035681A CN108035681A (en) | 2018-05-15 |
CN108035681B true CN108035681B (en) | 2020-09-11 |
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Family Applications (1)
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CN201711265145.4A Active CN108035681B (en) | 2017-12-05 | 2017-12-05 | Ocean oil field drill bit |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111456643B (en) * | 2020-04-14 | 2021-08-03 | 江苏和信石油机械有限公司 | But ocean continuous operation drilling tool |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6439326B1 (en) * | 2000-04-10 | 2002-08-27 | Smith International, Inc. | Centered-leg roller cone drill bit |
CN101824968B (en) * | 2010-05-13 | 2013-02-20 | 中国地质大学(北京) | Novel brazed impregnated diamond bit |
CN202954742U (en) * | 2012-11-28 | 2013-05-29 | 株洲天利钻具有限公司 | Spike bit |
CN203050515U (en) * | 2013-02-05 | 2013-07-10 | 哈尔滨特利来石油工具制造有限公司 | Drill bit for oil field |
CN203783470U (en) * | 2014-04-29 | 2014-08-20 | 大庆市联盛科技有限公司 | Novel PDC drill bit for oil exploration |
CN203961799U (en) * | 2014-07-30 | 2014-11-26 | 大庆天瑞机械制造有限公司 | Four blade wing polycrystalline diamond compact bit |
CN205047162U (en) * | 2015-10-14 | 2016-02-24 | 张满义 | Oil drill bit |
WO2017115097A1 (en) * | 2015-12-29 | 2017-07-06 | Arcelormittal | Drill bit, tap hole drilling machine equipped with said drill bit, and process for making said drill bit |
CN106282727A (en) * | 2016-08-29 | 2017-01-04 | 桂林新艺制冷设备有限责任公司 | A kind of high-abrasive material |
CN107323813B (en) * | 2017-07-19 | 2019-01-04 | 龙利得智能科技股份有限公司 | A kind of high-strength corrugated case |
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2017
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