CN105863515A - Front-back jet polycrystalline compound mono-cone bit - Google Patents
Front-back jet polycrystalline compound mono-cone bit Download PDFInfo
- Publication number
- CN105863515A CN105863515A CN201610377424.9A CN201610377424A CN105863515A CN 105863515 A CN105863515 A CN 105863515A CN 201610377424 A CN201610377424 A CN 201610377424A CN 105863515 A CN105863515 A CN 105863515A
- Authority
- CN
- China
- Prior art keywords
- cone
- hole
- glomerocryst
- bit
- drill bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 150000001875 compounds Chemical class 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000011159 matrix material Substances 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 210000000515 tooth Anatomy 0.000 claims description 40
- 238000005520 cutting process Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 8
- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 229910001315 Tool steel Inorganic materials 0.000 claims description 3
- 235000008429 bread Nutrition 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 11
- 239000011435 rock Substances 0.000 abstract description 9
- 238000005219 brazing Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract 1
- 230000036346 tooth eruption Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B10/08—Roller bits
- E21B10/16—Roller bits characterised by tooth form or arrangement
-
- 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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
-
- 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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
-
- 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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
-
- 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
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the field of petroleum drilling and in particular discloses a front-back jet polycrystalline compound mono-cone bit. The front-back jet polycrystalline compound mono-cone bit comprises a cone (1) and a bit matrix (2), wherein a main shaft (15) extended obliquely inward is arranged at the end part of the bit matrix (2), the cone (1) is arranged on the main shaft (15), a water injection hole (6) as well as a forward diagonal water hole (7) and a backward diagonal water hole (5) communicated with the water injection hole (6) are formed inside the bit matrix (2), dip direction of the forward diagonal water hole (7) is the same with the dip direction of the main shaft (15), and the dip direction of the backward diagonal water hole (5) is opposite to the dip direction of the main shaft (15); and multiple rows of sprocket holes with rotation tracks equally spaced and staggered are arranged on the cone (1), and cutting teeth (22) are arranged in the sprocket holes in an interference manner. According to the scheme of the invention, the front-back jet polycrystalline compound mono-cone bit has the advantages of stable permanent tooth brazing, large cone bearing space, more comprehensive rock breaking and the like.
Description
Technical field
The present invention relates to field of oil drilling, before and after especially relating to one, injecting type glomerocryst is combined single-cone rotary drill bit.
Background technology
Enter in the past few years occurring in rock drill bit field that the Mixed drilling bit used has rifler tooth and PDC drill bit tooth combined-breaking rock technology simultaneously, improve bit performance and reduce drilling cost, being the latest development of two technology of drill bit.
The patent No.: 200880016630, the title of patent is " a kind of Mixed drilling bit and drilling method thereof "；The patent No.: 2012105525560, patent name " a kind of Mixed drilling bit strengthening heart portion cutting function ".
Two kinds of above-mentioned Mixed drilling bits are all to use cylindrical glomerocryst composite teeth post on manufacturing, technique there are disadvantages that, one be horizontal composite teeth post soldering on the cylindrical groove surface of wing end face, brazing temperature is wayward, reinforce the poor reliability of composite teeth, two is that the least space that can accommodate bearing of gear wheel volume is little, the low easy inefficacy of gear wheel rotating speed height bearing life, and three is that cutter teeth simply participates in composite teeth combined-breaking rock in composite teeth circular arc portion shaft bottom.
Summary of the invention
Before and after it is an object of the invention to provide one, injecting type glomerocryst is combined single-cone rotary drill bit, overcomes the shortcoming that soldering teeth consolidating is unstable, gear wheel bearing space is little and broken rock limitation is little.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions.
Before and after one, injecting type glomerocryst is combined single-cone rotary drill bit, including gear wheel and bit matrix, it is characterized in that, the end of described bit matrix is provided with the big axle stretched out in the diagonal, big axle is provided with gear wheel, the inside of bit matrix is provided with water injection hole and the oblique water hole of forward direction communicated with water injection hole and backward oblique water hole, and the oblique water hole of described forward direction is identical with big axle tendency, and described backward oblique water hole is opposing with big axle tendency；
Described gear wheel is provided with the perforation that multiple rows of rotational trajectory equidistantly misplaces, and in perforation, interference is provided with cutting tooth, and the cutting face sintering of described cutting tooth has polycrystalline diamond layer；
Step-like installing blind it is provided with in described gear wheel, the macropore of described step-like installing blind is provided with inwall arcuate groove at step, it is provided with the outer wall arcuate groove corresponding with described inwall arcuate groove on big axle, between described outer wall arcuate groove and inwall arcuate groove, multiple ball is installed, between described big axial end and the step of step-like installing blind, is provided with thrust ring；
Described big axle root is provided with pillow block rank, and the macropore of described step-like installing blind is provided with cone groove near opening part, is provided with wheel becket between big axle and cone groove, is provided with wheel sealing ring described wheel between becket and cone groove；
Described bit matrix is provided with pressure transmission hole, it is provided with oil storage tank on the outer wall of described big axle, the end of big axle is provided with small cylindrical opening, in small cylindrical opening, interference is provided with little axle, shafting oil hole it is provided with in little axle, being provided with oil storage bag between little axle and small cylindrical opening, described oil storage bag communicates with described pressure transmission hole, oil storage tank and shafting oil hole respectively.
Further, described gear wheel is provided with before three rows perforation group after perforation group and three rows, and described front perforation group and described rear perforation group interval are arranged.
Further, described front perforation group comprises seven perforations, and described rear perforation group comprises six perforations.
Further, the described outside diameter seal bread of becket of taking turns is containing inclined-plane and plane, and described cone groove bottom surface comprises the inclined-plane corresponding with the radial sealing surfaces of wheel becket and plane.
Further, the oblique water hole of described extension and after stretch oblique water hole in be separately installed with nozzle, nozzle is externally provided with nozzle cage, is provided with sealed nozzle circle between nozzle cage and nozzle.
Further, described nozzle is interior six side's hard alloy nozzles.
Further, described sealing ring of taking turns is hydrogenated nitrile-butadiene rubber manufacture, and wheel becket is that high-speed tool steel is made.
Further, described bit matrix being provided with four groups of gauge teeths, often group gauge teeth is respectively two.
Further, on the cutting face of described gauge teeth, sintering has polycrystalline diamond layer.
The present invention is improving bit performance, reduce drilling cost aspect and there is significant beneficial effect: two groups of bidirectional oblique spraying systems that (1) is designed in this rifler of technical solution of the present invention respectively forwardly after, spray jet flow cleaning well landwaste backward, not only strengthen the cleaning of gear wheel and the borehole wall, also improve the upward velocity of cutting carring, favourable raising bit performance and reduction drilling cost；(2) solve glomerocryst and close flute profile and the teeth consolidating technical problem of tooth, the flute profile that cylindrical glomerocryst conjunction tooth is modified to similar rifler sinters a strata crystalline substance Buddha's warrior attendant layer at the cutting flank of tooth, improve tooth wearability, the teeth consolidating technology of craft of consolidating teeth cutter teeth, makes cutter teeth crush bottom rock in shaft bottom the most comprehensively；(3) gear wheel uses spherical gear wheel can be that bearing provides bigger bearing space to improve the axle life-span, bearing diameter and accessory size are about twice than tricone bit, the axle life-span can be improved, it is achieved close tooth with glomerocryst and be installed on gear wheel and gear wheel oil storage sealing high-speed slide bearing integrated；(4) for the gauge of drill bit, the gauge teeth of employing is that a kind of cutting face sintering has polycrystalline diamond layer hard-metal insert, and this gauge teeth is more wear-resisting, and gauge effect is more preferable；(5) six toothrow hole groups designed by technical solution of the present invention, 39 teeth of insert altogether, its rock breaking efficiency is more preferable.
Accompanying drawing explanation
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 be the present invention a kind of before and after injecting type glomerocryst be combined the front view of single-cone rotary drill bit；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the partial enlarged drawing of Fig. 1.
In figure: 1, gear wheel；2, bit matrix；3, pressure transmission hole；4, gauge teeth；5, backward oblique water hole；6, water injection hole；7, the oblique water hole of forward direction；8, nozzle cage；9, sealed nozzle circle；10, nozzle；11, floating ring；12, wheel becket；13, wheel sealing ring；14, large shaft sleeve；15, big axle；16, ball；17, thrust ring；18, little axle；19, shafting oil hole；20, oil storage bag；21, oil storage tank；22, cutting tooth；23, front-seat perforation group；24, heel row perforation group.
Detailed description of the invention
With reference to Fig. 1, a kind of injecting type glomerocryst front and back of the present invention is combined the structural representation of single-cone rotary drill bit, bit matrix 2 end is provided with and is extended with big axle 15 in the diagonal, big axle 15 is provided with gear wheel 1, the inside of bit matrix 2 is provided with water injection hole 6 and water hole oblique with the forward direction that water injection hole 6 communicates 7 and backward oblique water hole 5, the oblique water hole of forward direction 7 is inclined to identical with big axle 15, and backward oblique water hole 5 is inclined to opposing with big axle 15.Protract oblique water hole 7 and after stretch oblique water hole 5 in be separately installed with nozzle 10, nozzle 10 is externally provided with nozzle cage 8, is provided with sealed nozzle circle 9 between nozzle cage 8 and nozzle 10.
Spray to gear wheel 1 both sides from the high velocity mud of the ejection in the oblique water hole of forward direction 7, clean gear wheel 1 carrying and return on the landwaste of shaft bottom；Spraying on rear side of gear wheel 1 from the high velocity mud of backward oblique water hole 5 ejection, clean gear wheel and carry bed rock bits, this cleaning way is more efficient, can improve bit performance and reduce drilling cost.
With reference to Fig. 2, gear wheel 1 is provided with the perforation that multiple rows of rotational trajectory equidistantly misplaces, it is specially three row front row perforation group 23 and three row's heel row perforation groups 24 spaced apart, described front-seat perforation group 23 comprises seven perforations, heel row perforation group 24 comprises six perforations, in perforation, interference is provided with cutting tooth 22, and the cutting face sintering of cutting tooth 22 has polycrystalline diamond layer.On gear wheel 1, cloth 39 cuts tooth altogether, and its broken rock is more abundant.
Step-like installing blind it is provided with in gear wheel 1, the macropore of step-like installing blind is provided with inwall arcuate groove at step, it is provided with the outer wall arcuate groove corresponding with inwall arcuate groove on big axle 15, being provided with multiple ball 16 between outer wall arcuate groove and inwall arcuate groove prevents gear wheel 1 from coming off, and is provided with thrust ring 17 gear wheel 1 is carried out axial limiting between big axle 15 end face and the step of step-like installing blind.
Bit matrix 2 is provided with pressure transmission hole 3, it is provided with oil storage tank 21 on the outer wall of big axle 15, the end of big axle 15 is provided with small cylindrical opening, in small cylindrical opening, interference is provided with little axle 18, it is provided with shafting oil hole 19 in little axle 18, being provided with oil storage bag 20 between little axle 18 and small cylindrical opening, oil storage bag 20 communicates with pressure transmission hole 3, oil storage tank 21 and shafting oil hole 19 respectively.
During bit operation, gear wheel 1 produces the bearing internal external generation pressure differential that axial motion makes to be made up of big axle 15, large shaft sleeve 14, ball 16 and thrust ring 17, the axial deformation of oil storage bag 20 communicates the pressure reduction inside and outside equalizer bearing by pressure transmission hole 3 with mud, the drill bit fat in oil storage bag 20 is promoted to enter big axle 15 gap from shafting oil hole 19, make its large shaft sleeve 14 and thrust ring 17 alternation, the life-span of bearing can be improved.
With reference to Fig. 3, big axle 15 root is provided with pillow block rank, and the macropore of step-like installing blind is provided with cone groove near opening part, is provided with wheel becket 12 between big axle and cone groove, is provided with wheel sealing ring 13 between wheel becket 12 and cone groove；The outside diameter seal bread of wheel becket 12 is containing inclined-plane and plane, and described cone groove bottom surface comprises the inclined-plane corresponding with the radial sealing surfaces of wheel becket 12 and plane.Wheel sealing ring 13 is hydrogenated nitrile-butadiene rubber manufacture, and wheel becket 12 is made for high-speed tool steel.Wheel becket 12 is promoted by the wheel sealing ring 13 of radial and axial compression, its end face is made to be adjacent to floating ring 11 upper surface the pillow block rank making its lower surface be adjacent to, forming two groups can mutual rotary seal end face, it is achieved the axial movable sealing of high rotational speeds lower whorl becket 12 end face and the radial direction static seal of wheel sealing ring 13.
Being provided with four groups of gauge teeths 4 on bit matrix 2, often group gauge teeth 4 is respectively two, and on the cutting face of gauge teeth 4, sintering has polycrystalline diamond layer.This structure can be strengthened bit gauge protection and improve bit operation stability.
Obviously, those skilled in the art can carry out various change and deform without departing from the spirit and scope of the present invention the present invention.So, if within the scope of these changes of the present invention and deformation belong to the claims in the present invention and equivalent technologies thereof, then the present invention also comprises these change and modification.
Claims (9)
1. before and after, injecting type glomerocryst is combined a single-cone rotary drill bit, including gear wheel (1) and bit matrix (2),
It is characterized in that, the end of described bit matrix (2) is provided with the big axle (15) stretched out in the diagonal, big axle
(15) being provided with gear wheel (1), the inside of bit matrix (2) is provided with water injection hole (6) and and water filling
The oblique water hole of forward direction (7) that hole (6) communicates and backward oblique water hole (5), the oblique water hole of described forward direction (7) with
Big axle (15) is inclined to identical, and described backward oblique water hole (5) is inclined to opposing with big axle (15)；
Described gear wheel (1) is provided with the perforation that multiple rows of rotational trajectory equidistantly misplaces, and in perforation, interference is provided with
Cutting tooth (22), the cutting face sintering of described cutting tooth (22) has polycrystalline diamond layer；
Being provided with step-like installing blind in described gear wheel (1), the macropore of described step-like installing blind is close
It is provided with inwall arcuate groove at step, big axle (15) is provided with the outer wall corresponding with described inwall arcuate groove
Arcuate groove, is provided with multiple ball (16) between described outer wall arcuate groove and inwall arcuate groove, described greatly
Thrust ring (17) it is provided with between axle (15) end face and the step of step-like installing blind；
Described big axle (15) root is provided with pillow block rank, and the macropore of described step-like installing blind is near opening
Place is provided with cone groove, is provided with wheel becket (12), takes turns becket (12) described between big axle and cone groove
And it is provided with wheel sealing ring (13) between cone groove；
Described bit matrix (2) is provided with pressure transmission hole (3), and the outer wall of described big axle (15) is provided with
Oil storage tank (21), the end of big axle (15) is provided with small cylindrical opening, and in small cylindrical opening, interference is provided with little axle
(18), it is provided with shafting oil hole (19) in little axle (18), between little axle (18) and small cylindrical opening, is provided with storage
Oil sac (20), described oil storage bag (20) respectively with described pressure transmission hole (3), oil storage tank (21) and shafting oil
Hole (19) communicates.
Before and after the most according to claim 1, injecting type glomerocryst is combined single-cone rotary drill bit, it is characterised in that
Described gear wheel (1) is provided with before three rows perforation group (24), described nipper after perforation group (23) and three rows
Hole group (23) and described rear perforation group (24) interval are arranged.
Before and after the most according to claim 2, injecting type glomerocryst is combined single-cone rotary drill bit, it is characterised in that
Described front perforation group (23) comprises seven perforations, and described rear perforation group (24) comprises six perforations.
Before and after the most according to claim 1, injecting type glomerocryst is combined single-cone rotary drill bit, it is characterised in that
The described outside diameter seal bread taking turns becket (12) containing inclined-plane and plane, described cone groove bottom surface comprise with
The inclined-plane corresponding to radial sealing surfaces of wheel becket (12) and plane.
Before and after the most according to claim 1, injecting type glomerocryst is combined single-cone rotary drill bit, it is characterised in that
The oblique water hole of described extension (7) and after stretch oblique water hole (5) in be separately installed with nozzle (10), nozzle (10)
It is externally provided with nozzle cage (8), sealed nozzle circle (9) is installed between nozzle cage (8) and nozzle (10).
Before and after the most according to claim 5, injecting type glomerocryst is combined single-cone rotary drill bit, it is characterised in that
Described nozzle (10) is interior six side's hard alloy nozzles.
Before and after the most according to claim 1, injecting type glomerocryst is combined single-cone rotary drill bit, it is characterised in that
Described sealing ring (13) of taking turns is hydrogenated nitrile-butadiene rubber manufacture, and wheel becket (12) is that high-speed tool steel is made.
Before and after the most according to claim 1, injecting type glomerocryst is combined single-cone rotary drill bit, it is characterised in that
It is provided with four groups of gauge teeths (4) on described bit matrix (2), often organizes gauge teeth (4) and be respectively two.
Before and after the most according to claim 8, injecting type glomerocryst is combined single-cone rotary drill bit, it is characterised in that
On the cutting face of described gauge teeth (4), sintering has polycrystalline diamond layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377424.9A CN105863515B (en) | 2016-05-31 | 2016-05-31 | Front-rear injection type polycrystalline composite single-cone bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377424.9A CN105863515B (en) | 2016-05-31 | 2016-05-31 | Front-rear injection type polycrystalline composite single-cone bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105863515A true CN105863515A (en) | 2016-08-17 |
| CN105863515B CN105863515B (en) | 2020-04-10 |
Family
ID=56641750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610377424.9A Active CN105863515B (en) | 2016-05-31 | 2016-05-31 | Front-rear injection type polycrystalline composite single-cone bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105863515B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372434A (en) * | 2018-11-19 | 2019-02-22 | 三原石油钻头厂 | A kind of single-cone rotary drill bit of insert floating composite teeth |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4154313A (en) * | 1978-04-28 | 1979-05-15 | Dresser Industries, Inc. | Flow control valve for rock bits |
| SU1500754A1 (en) * | 1987-07-10 | 1989-08-15 | Ivan P Lukyanov | Roller bit |
| CN2480536Y (en) * | 2001-04-25 | 2002-03-06 | 西南石油学院 | Drill for hard stratum |
| CN2906028Y (en) * | 2006-03-19 | 2007-05-30 | 宜春飞龙钻头制造有限公司 | Single-roller bit |
| CN102536124A (en) * | 2012-02-20 | 2012-07-04 | 陕西金刚石油机械有限公司 | Single-roller bit with PDC (polycrystalline diamond compact) composite plates |
| CN103410448A (en) * | 2013-08-23 | 2013-11-27 | 陕西金刚石油机械有限公司 | O-shaped loop and metal ring two-way combined sealed oil storage single-cone bit |
| CN205713984U (en) * | 2016-05-31 | 2016-11-23 | 陕西金刚石油机械有限公司 | Before and after Yi Zhong, injecting type glomerocryst is combined single-cone rotary drill bit |
-
2016
- 2016-05-31 CN CN201610377424.9A patent/CN105863515B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4154313A (en) * | 1978-04-28 | 1979-05-15 | Dresser Industries, Inc. | Flow control valve for rock bits |
| SU1500754A1 (en) * | 1987-07-10 | 1989-08-15 | Ivan P Lukyanov | Roller bit |
| CN2480536Y (en) * | 2001-04-25 | 2002-03-06 | 西南石油学院 | Drill for hard stratum |
| CN2906028Y (en) * | 2006-03-19 | 2007-05-30 | 宜春飞龙钻头制造有限公司 | Single-roller bit |
| CN102536124A (en) * | 2012-02-20 | 2012-07-04 | 陕西金刚石油机械有限公司 | Single-roller bit with PDC (polycrystalline diamond compact) composite plates |
| CN103410448A (en) * | 2013-08-23 | 2013-11-27 | 陕西金刚石油机械有限公司 | O-shaped loop and metal ring two-way combined sealed oil storage single-cone bit |
| CN205713984U (en) * | 2016-05-31 | 2016-11-23 | 陕西金刚石油机械有限公司 | Before and after Yi Zhong, injecting type glomerocryst is combined single-cone rotary drill bit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372434A (en) * | 2018-11-19 | 2019-02-22 | 三原石油钻头厂 | A kind of single-cone rotary drill bit of insert floating composite teeth |
| CN109372434B (en) * | 2018-11-19 | 2024-04-30 | 三原石油钻头厂 | Single cone bit inlaid with floating composite teeth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105863515B (en) | 2020-04-10 |
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