CN106639943A - High-frequency torsion-restoration axial vibration impacting tool - Google Patents
High-frequency torsion-restoration axial vibration impacting tool Download PDFInfo
- Publication number
- CN106639943A CN106639943A CN201610848397.9A CN201610848397A CN106639943A CN 106639943 A CN106639943 A CN 106639943A CN 201610848397 A CN201610848397 A CN 201610848397A CN 106639943 A CN106639943 A CN 106639943A
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- Prior art keywords
- spline
- turbine
- impacting
- ring
- jump bit
- Prior art date
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Links
- 230000003116 impacting effect Effects 0.000 title abstract 13
- 230000008859 change Effects 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 230000000737 periodic effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 36
- 210000002445 nipple Anatomy 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000009527 percussion Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000007937 lozenge Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 23
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- 239000003345 natural gas Substances 0.000 abstract 1
- 239000003209 petroleum derivative Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002002 slurry 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
- E21B28/00—Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (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 relates to a high-frequency torsion-restoration axial vibration impacting tool for well drilling engineering of petroleum and natural gas. The tool is connected to the upper portion of a drill bit in a threaded mode and comprises a turbine assembly, a switching assembly and an impacting assembly. The front end of the switching assembly is connected with the impacting assembly, the rear end of the switching assembly is connected with the turbine assembly, and periodical change of a mud channel is achieved through the switching assembly; and a sliding sleeve is pushed to slide forwards through the differential pressure generated by flow channel change, axial displacement and acting force are generated to act on an impacting spline for driving the impacting spline and an impacting hammer to move forwards together, a torsional spring at the front end of the impacting hammer is compressed, an anvil is impacted by the impacting hammer, when the sliding groove moves backwards, the torsional spring exerts a rotating torque on the impacting hammer to enable the impacting hammer to rotate, and after the impacting hammer enters another spline groove, periodic movement is repeated. The high-frequency torsion-restoration axial vibration impacting tool is simple in structure, high in adaptability for the drill bit and the stratum and capable of improving well drilling efficiency.
Description
Technical field
The present invention relates to work is impacted in a kind of high frequency reverse reset axial vibration for oil-gas drilling engineering field
Tool.
Background technology
With economic constantly development, Demand of Oil & Gas amount is increasing, and China's Shallow Oil-Gas resource then mouth benefit exhaustion, oil gas
Exploitation is inevitable to be developed to deeper, more hard formation direction, and the Deep Oil And Gas Exploration reserves of China quite enrich, and petroleum resources exploitation is difficult
Degree is also gradually increased.Therefore oil and gas well drilling drilled strata will be increasingly deeper, and geological epoch can be more and more long-range, rock
It is more and more harder.But, drilling technology level limits the development of deep-well, ultradeep well, and improving deep-well hard rock bit speed becomes brill
One of important topic that Jing Jie is studied intensively.Traditional rock bit is still selected in current oilfield prospecting developing drilling well, coordinates PDC to bore
The rotary drilling technology of head and jet drilling device.When encountering hard formation in the middle of drilling process, drilling efficiency is reduced, bit life
What is become is shorter, and it is longer that drilling period becomes, and it is higher that cost rises.
Therefore, the drilling efficiency for how effectively improving deep formation is that be badly in need of solving in current drilling engineering one asks
Topic, seeks renewal, more efficient breaking technique for rock, improves bit speed, reduces drilling cost, reduces the exploration and development cycle, and this is
One Main way of drilling technology development.Revolving-drilling technique be at present both at home and abroad drilling technology development Main way it
One, but still suffer from short life at present, affected larger by property of drilling fluid, impact shock parameter is unreasonable, one-sided to improve punching
The problem of the aspects such as work(is hit, these factors hinder the further development of percussion drilling technology, so carrying out novel percussion drill well
The development of instrument has been the important step of revolving-drilling technique development.
The content of the invention
In order to explore, solution existing impact shock life tools are short, impact shock parameter is unreasonable, can not effectively improve depth
The problems such as well drilling speed, the invention provides a kind of high frequency reverse reset axial vibration percussion tool.The percussion tool of the present invention leads to
Cross conversion assembly and realize slurry channel cyclically-varying, change productive pressure reduction using runner and promote sliding sleeve to move forward, produce
Raw axial displacement and axial force, act on impact spline, drive impact spline to travel forward together with jump bit, impact
Hammer front end torsion spring compression, impacts hammering blow hammering block, so as to produce high-frequency percussion effect of vibration to drill bit, when moving after sliding sleeve, turns round
Spring applies a rotating torque to jump bit, rotates jump bit, makes jump bit enter another spline, hereafter repeats this
Cycle movement.
The technical scheme is that:High frequency reverse reset axial vibration percussion tool, is threaded connection fixed installation
On drill bit top, it includes turbine assembly, conversion assembly, impact assembly;Termination impact assembly, terminates afterwards whirlpool before conversion assembly
Wheel assembly;The turbine assembly include top connection, it is anti-cap off, anti-lost joint, support ring, upper cock, turbine wheel shaft, turbine stator,
Turbine rotor, turbine case, upper spline, lower cock, in top connection front end support ring is installed, and in turbine case rear end rotation is installed
Plug, and turbine case is arranged on into top connection front end, anti-lost joint is arranged on into support ring and upper cock central through hole, and load onto
It is anti-to cap off, then turbine wheel shaft is installed in anti-lost joint front end, then turbine stator and turbine rotor are installed on turbine wheel shaft, finally
Upper spline and lower cock are installed, fixed turbine rotor and turbine stator is respectively used to, prevent from falling under axial turbine using anti-capping off
Fall, mud enters turbine chamber from support ring and upper cock perimeter throughbores, drives turbine, drive turbine wheel shaft rotation,
And rotary motion is passed through into upper spline going down;Described conversion assembly includes lower spline, pad, water conservancy diversion pipe nipple, O-shaped sealing
Circle, rectangular seal a, rotary sleeve, upper shell, flow nipple, positioning tube, adjust pad, sliding sleeve, pressure sealing ring, disc spring, core
Axle, middle shell, thrust ball bearing group, deep groove ball bearing, sealing ring a, install again water conservancy diversion short after lower spline front end is put into pad
Section, by upper shell turbine case front end is installed to, and O-ring seal and rectangular seal a are respectively installed to into rotary sleeve inside and outside circle
Zhou Shang, then rotary sleeve is installed on water conservancy diversion pipe nipple, then positioning tube fixation rotary sleeve is installed, and middle shell is installed to into upper shell
Front end, by flow nipple water conservancy diversion pipe nipple front end, then mounting and adjusting pad and sliding sleeve are installed to, and install pressure seal in sliding sleeve front end
Circle, sealing ring a, deep groove ball bearing, thrust ball bearing group, disc spring successively be installed on mandrel, then mandrel be installed to into sliding sleeve
Front end, top is rotated be delivered to water conservancy diversion pipe nipple by lower spline, makes pod apertures and rotary sleeve on the circumference of water conservancy diversion pipe nipple front end
Between in periodically connection and closed mode, so as to produce periodic pressure reduction change, act on sliding sleeve, produce axial position
Move and axial force, drive mandrel move forward, the pressurized accumulation of energy of disc spring, be compressed to after extreme position reset, promote mandrel to
After move;Described impact assembly includes sealing ring b, impact spline, is oriented to spline, sealing ring c, jump bit, lower casing, torsion
Spring, wear ring, lower contact, rectangular seal b, locating piece, sealing ring, adjustment ring, retaining ring, hammering block, are directed to spline installation
To mandrel front end, then sealing ring b and impact splined builtup are installed sealing ring c to, being then mounted to be oriented in spline together
To in jump bit back end circumference, then jump bit is installed to into guiding spline, and lower casing is installed to into middle case nose, will be turned round
Spring is installed to after jump bit, installs wear ring, then lower contact is installed to into lower casing front end, successively by retaining ring, adjustment ring, close
Seal ring, locating piece are installed on hammering block, then hammering block is installed to into lower contact front end, and screw retaining ring, when mandrel is moved forward,
Driving impact spline and jump bit are moved forward, torsion spring compression, until colliding with hammering block, produce impact, and are ultimately applied to bore
On head, drill bit efficiency of breaking rock is improved, when mandrel is moved rearwards by, torsion spring resets, and produces deboost and torque, drives jump bit
Rotary motion is produced, and under jump bit afterbody wedge structure guide effect, into another spline, so that jump bit exists
Produce and be in during percussion continuous rotation status, it is to avoid uneven wear occurs in jump bit;Described jump bit rear end
Spline is individual, and afterbody is designed as lozenges, is easy to another spline into lower casing by lozenges effect, it is ensured that jump bit
Rotation status are in impact process is produced.In periodically connecting and close between described water conservancy diversion pipe nipple and rotary sleeve
State, enables mandrel periodically forwardly and rearwardly to move.
The invention has the beneficial effects as follows:(1) jump bit produce impact shock mechanism in, can rotary motion, keep away
Exempt from jump bit and uneven wear occurs, effectively improve jump bit service life, ensure that impact shock parameter does not produce substantially fluctuation;
(2) high frequency reverse reset axial vibration percussion tool can apply high frequency axial vibration impact to drill bit, accelerate drill bit broken rock, increase
Plus single footage per bit, drilling life of bit is improved, reduce the number of times that makes a trip;(3) changed using mud area of passage, produce pressure
Power is poor, so as to produce axial displacement and axial impact, is effectively utilized drilling well energy;(4) bit speed can be improved, life is reduced
Produce cost.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Section A-A figure in Fig. 1 of the present invention.
Fig. 3 is section B-B figure in Fig. 1 of the present invention.
Fig. 4 is C-C sectional views in Fig. 1 of the present invention.
Fig. 5 is D-D sectional views in Fig. 1 of the present invention.
Fig. 6 is D1-D1 sectional views in Fig. 1 of the present invention.
Fig. 7 is E-E sectional views in Fig. 1 of the present invention.
Fig. 8 is F-F sectional views in Fig. 1 of the present invention.
Fig. 9 is G-G sectional views in Fig. 1 of the present invention.
Figure 10 is impact spline structure schematic diagram.
Figure 11 is jump bit structural representation.
1. top connection in figure, 2. prevents capping off, 3. anti-lost joint, and 4. support ring, 5. goes up cock, 6. turbine wheel shaft, and 7. turbine is determined
Son, 8. turbine rotor, 9. turbine case, 10. upper spline, 11. times cocks, 12. times splines, 13. pads, 14. water conservancy diversion pipe nipples,
15.O type sealing rings, 16. rectangular seal a, 17. rotary sleeves, shell on 18., 19. flow nipples, 20. positioning tubes, 21. adjusting pads
Piece, 22. sliding sleeves, 23. pressure sealing rings, 24. disc springs, 25. mandrels, shell in 26., 27. thrust ball bearing groups, 28. deep-groove balls
Bearing, 29. sealing ring a, 30. sealing ring b, 31. impact splines, 32. are oriented to spline, 33. sealing ring c, 34. jump bits, under 35.
Shell, 36. torsion springs, 37. wear rings, 38. lower contacts, 39. rectangular seal b, 40. locating pieces, 41. sealing rings, 42. adjustment
Ring, 43. retaining rings, 44. hammering blocks.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described:
Referring to accompanying drawing 1, high frequency reverse reset axial vibration percussion tool, it is threaded connection and is fixedly mounted on drill bit
Portion, it includes turbine assembly, conversion assembly, impact assembly;Termination impact assembly, terminates afterwards turbine assembly before conversion assembly;
The turbine assembly include top connection 1, it is anti-cap off 2, anti-lost joint 3, support ring 4, upper cock 5, turbine wheel shaft 6, turbine stator 7,
Turbine rotor 8, turbine case 9, upper spline 10, lower cock 11, install support ring 4, after turbine case 9 in the front end of top connection 1
Cock 5 is installed at end, and turbine case 9 is arranged on into the front end of top connection 1, and anti-lost joint 3 is arranged on into support ring 4 and upper cock
5 central through holes, and load onto it is anti-cap off 2, then turbine wheel shaft 6 is installed in the front end of anti-lost joint 3, then turbine stator 7 and turbine are turned
Son 8 is installed on turbine wheel shaft 6, finally installs upper spline 10 and lower cock 11, is respectively used to fixed turbine rotor 8 and turbine stator
7, using preventing that capping off 2 prevents turbine wheel shaft 6 from dropping downwards, mud enters turbine from support ring 4 and the perimeter throughbores of upper cock 5
Chamber, drives turbine, drives turbine wheel shaft 6 to rotate, and rotary motion is passed through into the going down of upper spline 10.Described conversion is total
Into including lower spline 12, pad 13, water conservancy diversion pipe nipple 14, O-ring seal 15, rectangular seal a16, rotary sleeve 17, upper shell 18,
Flow nipple 19, positioning tube 20, adjust pad 21, sliding sleeve 22, pressure sealing ring 23, disc spring 24, mandrel 25, middle shell 26, thrust
Ball bearing group 27, deep groove ball bearing 28, sealing ring a29, after the front end of lower spline 12 is put into pad 13 water conservancy diversion pipe nipple 14 is installed again,
Upper shell 18 is installed to into the front end of turbine case 9, O-ring seal 15 and rectangular seal a16 are respectively installed to into rotary sleeve 17
On internal and external circumference, then rotary sleeve 17 is installed on water conservancy diversion pipe nipple 14, then positioning tube 20 is installed and fix rotary sleeve 17, and will China and foreign countries
Shell 26 is installed to the front end of shell 18, and flow nipple 19 is installed to into the front end of water conservancy diversion pipe nipple 14, then mounting and adjusting pad 21 and sliding sleeve
22, and pressure sealing ring 23 is installed in the front end of sliding sleeve 22, successively by sealing ring a29, deep groove ball bearing 28, thrust ball bearing group
27th, disc spring 24 is installed on mandrel 25, then mandrel 25 is installed to into the front end of sliding sleeve 22, is rotated top by lower spline 12 and is transmitted
To water conservancy diversion pipe nipple 14, make to connect and close in periodicity between pod apertures and rotary sleeve 17 on the front end circumference of water conservancy diversion pipe nipple 14
State, so as to produce periodic pressure reduction change, acts on sliding sleeve 22, produces axial displacement and axial force, drives core
Axle 25 is moved forward, the pressurized accumulation of energy of disc spring 24, is compressed to after extreme position and is resetted, and promotes mandrel 25 to be moved rearwards by.
Described impact assembly include sealing ring b30, impact spline 31, be oriented to spline 32, sealing ring c33, jump bit 34,
Lower casing 35, torsion spring 36, wear ring 37, lower contact 38, rectangular seal b39, locating piece 40, sealing ring 41, adjustment ring 42, lock
Tight ring 43, hammering block 44, are directed to spline 32 and are installed to the front end of mandrel 25, then sealing ring b30 and impact spline 31 are combined to into one
Rise, be then mounted to be oriented in spline 32, sealing ring c33 is installed in the back end circumference of jump bit 34, then jump bit 34 is pacified
Guiding spline 32 is attached to, and lower casing 35 is installed to into the front end of middle shell 26, torsion spring 36 is installed to after jump bit 34, installed resistance to
Bull ring 37, then lower contact 38 is installed to into the front end of lower casing 35, successively by retaining ring 43, adjustment ring 42, sealing ring 41, locating piece
40 are installed on hammering block 44, then hammering block 44 is installed to into the front end of lower contact 38, and screw retaining ring 43, and mandrel 25 is moved forward
When, drive impact spline 31 and jump bit 34 to move forward, torsion spring 36 compresses, until colliding with hammering block 44, produces and impacts, and most
Act on eventually on drill bit, improve drill bit efficiency of breaking rock, when mandrel 25 is moved rearwards by, torsion spring 36 resets, produce deboost and
Torque, drives jump bit 34 to produce rotary motion, and under the afterbody wedge structure guide effect of jump bit 34, into another flower
Keyway, so that jump bit 34 is in continuous rotation status during percussion is produced, it is to avoid inequality occurs in jump bit 34
Even abrasion.
The described rear end spline of jump bit 34 is 4, and afterbody is designed as lozenges, under being easy to be entered by lozenges effect
Another spline of shell 35, it is ensured that jump bit 34 is in rotation status in impact process is produced.Described water conservancy diversion pipe nipple 14
In periodically connecting and closed mode between rotary sleeve 17, mandrel 25 is set periodically forwardly and rearwardly to move.
Claims (3)
1. high frequency reverse reset axial vibration percussion tool, it is characterised in that:Described axial vibration percussion tool includes turbine
Assembly, conversion assembly, impact assembly, in conversion assembly front end connection impact assembly, rear end connection turbine assembly;The turbine is total
Into including top connection (1), anti-cap off (2), anti-lost joint (3), support ring (4), upper cock (5), turbine wheel shaft (6), turbine stator
(7), turbine rotor (8), turbine case (9), upper spline (10), lower cock (11), in top connection (1) front end support ring is installed
(4), cock (5) is installed in turbine case (9) rear end, and by turbine case (9) installed in top connection (1) front end, will be anti-lost
Joint (3) installed in support ring (4) and upper cock (5) central through hole, and load onto it is anti-cap off (2), then before anti-lost joint (3)
Turbine wheel shaft (6) is installed at end, then turbine stator (7) and turbine rotor (8) are installed on turbine wheel shaft (6), finally installs upper spline
(10) and lower cock (11), fixed turbine rotor (8) and turbine stator (7) are respectively used to, cap off (2) and prevent turbine wheel shaft using anti-
(6) drop downwards, mud enters turbine chamber from support ring (4) and upper cock (5) perimeter throughbores, drives turbine,
Turbine wheel shaft (6) rotation is driven, and rotary motion is passed through into upper spline (10) going down;Described conversion assembly includes lower spline
(12), pad (13), water conservancy diversion pipe nipple (14), O-ring seal (15), rectangular seal a (16), rotary sleeve (17), upper shell
(18), flow nipple (19), positioning tube (20), adjust pad (21), sliding sleeve (22), pressure sealing ring (23), disc spring (24), mandrel
(25), middle shell (26), thrust ball bearing group (27), deep groove ball bearing (28), sealing ring a (29), in lower spline (12) front end
It is put into after pad (13) and water conservancy diversion pipe nipple (14) is installed again, upper shell (18) is installed to into turbine case (9) front end, by O-shaped sealing
Circle (15) and rectangular seal a (16) are respectively installed on rotary sleeve (17) internal and external circumference, then rotary sleeve (17) is installed to leads
On stream pipe nipple (14), then the fixed rotary sleeve (17) of positioning tube (20) is installed, and middle shell (26) is installed to before upper shell (18)
End, by flow nipple (19) water conservancy diversion pipe nipple (14) front end, then mounting and adjusting pad (21) and sliding sleeve (22) are installed to, and in sliding sleeve
(22) front end install pressure sealing ring (23), successively by sealing ring a (29), deep groove ball bearing (28), thrust ball bearing group (27),
Disc spring (24) is installed on mandrel (25), then mandrel (25) is installed to into sliding sleeve (22) front end, by lower spline (12) by top
Rotation is delivered to water conservancy diversion pipe nipple (14), makes between the pod apertures and rotary sleeve (17) on the circumference of water conservancy diversion pipe nipple (14) front end in week
Phase property is connected and closed mode, so as to produce periodic pressure reduction change, is acted on sliding sleeve (22), produces axial displacement and axle
To active force, mandrel (25) is driven to move forward, the pressurized accumulation of energy of disc spring (24) is compressed to after extreme position and resets, and promotes mandrel
(25) it is moved rearwards by;Described impact assembly includes sealing ring b (30), impact spline (31), is oriented to spline (32), sealing ring c
(33), jump bit (34), lower casing (35), torsion spring (36), wear ring (37), lower contact (38), rectangular seal b (39), fixed
Position block (40), sealing ring (41), adjustment ring (42), retaining ring (43), hammering block (44), are directed to spline (32) and are installed to mandrel
(25) front end, then sealing ring b (30) and impact spline (31) are grouped together, it is then mounted to be oriented in spline (32), will
Sealing ring c (33) is installed in jump bit (34) back end circumference, then jump bit (34) is installed to into guiding spline (32), and by under
Shell (35) is installed to middle shell (26) front end, and torsion spring (36) is installed to after jump bit (34), installs wear ring (37), then will
Lower contact (38) is installed to lower casing (35) front end, successively by retaining ring (43), adjustment ring (42), sealing ring (41), locating piece
(40) it is installed on hammering block (44), then hammering block (44) is installed to into lower contact (38) front end, and screws retaining ring (43), mandrel
(25) when moving forward, impact spline (31) and jump bit (34) is driven to move forward, torsion spring (36) compression, until and hammering block
(44) collide, produce impact, and be ultimately applied on drill bit, improve drill bit efficiency of breaking rock, when mandrel (25) is moved rearwards by, turn round
Spring (36) resets, and produces deboost and torque, drives jump bit (34) to produce rotary motion, and in jump bit (34) afterbody wedge
Under shape structure-directing effect, into another spline, so that jump bit (34) is in not during percussion is produced
Disconnected rotation status, it is to avoid uneven wear occurs in jump bit (34).
2. high frequency reverse reset axial vibration percussion tool according to claim 1, it is characterised in that:Described jump bit
(34) rear end spline is 4, and afterbody is designed as lozenges, is easy to another spline into lower casing (35) by lozenges effect
Groove, it is ensured that jump bit (34) is in rotation status in impact process is produced.
3. high frequency reverse reset axial vibration percussion tool according to claim 1, it is characterised in that:Described water conservancy diversion is short
In periodically connecting and closed mode between section (14) and rotary sleeve (17), make mandrel (25) can periodically forward with
It is moved rearwards by.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610848397.9A CN106639943B (en) | 2016-09-26 | 2016-09-26 | High frequency reverse reset axial vibration percussion tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610848397.9A CN106639943B (en) | 2016-09-26 | 2016-09-26 | High frequency reverse reset axial vibration percussion tool |
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Publication Number | Publication Date |
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CN106639943A true CN106639943A (en) | 2017-05-10 |
CN106639943B CN106639943B (en) | 2019-02-15 |
Family
ID=58853781
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CN201610848397.9A Expired - Fee Related CN106639943B (en) | 2016-09-26 | 2016-09-26 | High frequency reverse reset axial vibration percussion tool |
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Cited By (10)
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CN107558926A (en) * | 2017-08-28 | 2018-01-09 | 长江大学 | Turbine type emitter |
CN107780831A (en) * | 2017-10-24 | 2018-03-09 | 西南石油大学 | Double frequency axial impact instrument |
CN108661550A (en) * | 2018-08-02 | 2018-10-16 | 西南石油大学 | One-way fashion impactor based on turbine and spring |
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CN111765207A (en) * | 2020-06-12 | 2020-10-13 | 中石化石油机械股份有限公司 | Low-friction spline transmission structure and hydraulic oscillator adopting same |
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