CN205840769U - A kind of underground hydraulic rotary impact device - Google Patents
A kind of underground hydraulic rotary impact device Download PDFInfo
- Publication number
- CN205840769U CN205840769U CN201620707807.3U CN201620707807U CN205840769U CN 205840769 U CN205840769 U CN 205840769U CN 201620707807 U CN201620707807 U CN 201620707807U CN 205840769 U CN205840769 U CN 205840769U
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Abstract
This utility model relates to a kind of underground hydraulic rotary impact device, including upper binding head, urceolus, guiding device, rotary impact generator and lower union joint；Outer barrel, it is vertically connected with between head guiding device and rotary impact generator are installed from top to bottom；Guiding device is made up of inner catheter and water conservancy diversion trocar sheath；Rotary impact generator is made up of end cap, impact stator, impact rotor, reversing valve core, mandrel, variable nozzle, sealing ring, location support ring, and each parts collectively form the impact chamber of generator, commutation chamber, and high pressure runner and low pressure runner.This apparatus structure is simple, moving component is few, reliability is high, can produce certain frequency during work, circumference is reversed, the mechanical rock breaking energy of impingement, and it is directly passed to drill bit, drill bit stick slip vibration in deep hard formation is effectively reduced or eliminated, improves service life, realize efficient rock-breaking, and the moment of torsion of drill string transmission is not produced impact.
Description
Technical field
This utility model relates to a kind of underground hydraulic rotary impact device, belongs to petroleum gas drilling field.
Background technology
Along with oil-gas mining is to deeper, more hard formation development, traditional rotary drilling technology, by severely restricts, works as drill bit
When rock is broken on this type of stratum, drill string is supplied to the moment of torsion of drill bit and starts less than the shearing limit of rock on work surface, and drill bit stops
Rotating with drill string, now drill bit is in viscous state.Owing to well head rig continues to provide moment of torsion to drill string, when savings in drill string
Moment of torsion more than below drill bit during the rock shearing limit, elasticity of torsion potential energy abrupt release in drill string, make drill bit not advise around axially doing
Variable motion then, now drill bit is in slippage state.The phenomenon that this viscous-slippage period of state is alternately present, is referred to as
Stick slip vibration.This will be significantly greatly increased bit wear, accelerate drill bit and lose efficacy, and consume well head and drives energy, accelerate lower drilling tool tired
Lost efficacy, and reduced wellbore quality, reduce drilling efficiency further.
For the problems referred to above, in order to improve drilling efficiency, stick slip vibration be reduced or eliminated, some torsional pulses dress both at home and abroad
Put and also arise at the historic moment.But compared with abroad, domestic torsional pulse apparatus structure complexity, longevity, technology are immature, and external
Technical know-how, introduces cost high.
Utility model content
This utility model purpose is to provide a kind of underground hydraulic rotary impact device, is used for improving drill bit at deep hard formation
In drilling efficiency, stick slip vibration is reduced or eliminated.
The technical solution of the utility model is: this device includes that upper binding head, urceolus, guiding device, rotary impact occur
Device and lower union joint；Urceolus upper end is connected by screw thread with upper binding head, and urceolus lower end is connected by moment of torsion tooth with lower union joint,
Outer barrel, it is vertically connected with between head guiding device and rotary impact generator are installed from top to bottom；Guiding device is led by interior
Pipe and water conservancy diversion trocar sheath form, and inner catheter is inserted into water conservancy diversion trocar sheath top, water conservancy diversion trocar sheath lower end and rotary impact generator
Upper end is connected；Rotary impact generator is by end cap, impact stator, impact rotor, reversing valve core, mandrel, variable nozzle, sealing
Ring, location support ring composition, impact stator lower end is connected by screw thread with lower union joint, and impact stator bottom face is arranged symmetrically with
Blind hole, corresponding with inner face tapped through hole in the middle part of lower union joint, both are connected by interior hexagonal holding screw；Under lower union joint
End is by the threaded drill bit of NC.
Described rotary impact generator, is the most coaxially sequentially installed with mandrel, reversing valve core, impact rotor, impact
Stator, portion is provided with end cap on the generator, is provided with sealing ring at end cap and reversing valve core, the gap location of impact rotor and determines
Position support ring, is provided with variable nozzle in mandrel bottom, thus collectively forms impact chamber, commutation chamber, Yi Jigao at step surface
Baric flow road and low pressure runner；Table in the fan-shaped impact body that described impact chamber is arranged symmetrically with by impact rotor outer surface and impact stator
The fan groove that face is arranged symmetrically with coordinates installs composition, and closes chamber by the end cap formation on generator top；Described commutation chamber
With the gathering sill that the shift fork being arranged symmetrically with from impact rotor inner surface and reversing valve core outer surface are arranged symmetrically with, installation is constituted, and
Formed by the sealing ring on generator top and close chamber；Described high pressure runner has two, and main high pressure runner is successively by mandrel spiral shell
Spin slot, spool pressure hole form, and auxiliary high pressure runner is successively by end cap half slot, impact stator outer half slot, stator pressure hole group
Become；Described low pressure runner has two, and primary low runner is made up of reversing valve core dredging flow groove, the oblique discharge orifice of mandrel successively, auxiliary low pressure
Runner is made up of interior half slot, the oblique discharge orifice of mandrel successively, and main and auxiliary low pressure runner converges at mandrel bottom earial drainage intracavity, and with
Impact stator lower through-hole communicates, and constitutes low pressure runner exit；Described impact rotor sector impact body both sides and shift fork both sides are equal
There is runner hole；The shaft shoulder is arranged at described mandrel bottom；Interior step surface is arranged at described impact stator bottom.
The beneficial effects of the utility model are: produce certain frequency, circumference is reversed, the mechanical rock breaking energy of impingement, and
It is directly passed to drill bit, drill bit stick slip vibration in deep hard formation is effectively reduced or eliminated, improve service life, it is achieved be high
The broken rock of effect, and the moment of torsion of drill string transmission is not produced impact.This apparatus structure is simple, and moving component is few, and leakage point is few, reliably
Property high, strong to drill bit and ground adaptability, be suitable for China's well drilling industry present situation and operating mode, when failure of apparatus, to drilling process
Also have no effect.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is the A-A sectional drawing in accompanying drawing 1；
Accompanying drawing 3 is the outline drawing of rotary impact generator in this utility model.
In figure: 1. upper binding head, 2. urceolus, 3. inner catheter, 4. water conservancy diversion trocar sheath, 5. end cap, 6. mandrel, 7. reversal valve
Core, 8. impact rotor, 9. impact stator, 10. variable nozzle, 11. lower union joints, 12. drill bits, hexagonal holding screw in 13.,
14. earial drainage chambeies, 15. oblique discharge orifices, 16. helicla flutes, 17. sealing rings, 18. location support rings, 19. outer half slots, 20. stators are high
Pressure hole, 21. fan grooves, 22. fan-shaped impact bodies, 23. dredging flow grooves, half slot in 24., 25. shift forks, 26. gathering sills, 27. spools
Pressure hole, 28. sprue holes, 29. holes, secondary flow road, 30. end cap half slots, 31. moment of torsion teeth.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further:
As it is shown in figure 1, this utility model underground hydraulic rotary impact device, including upper binding head 1, urceolus 2, water conservancy diversion dress
Put, rotary impact generator and lower union joint 11；Urceolus 2 upper end is connected by screw thread with upper binding head 1, urceolus 2 lower end with under
Union joint 11 is connected by moment of torsion tooth 31, thus the moment of torsion of drill string is directly passed to downwards drill bit, inside urceolus 2, connects up and down
Guiding device and rotary impact generator are installed between joint from top to bottom；Guiding device is by inner catheter 3 and water conservancy diversion trocar sheath 4
Composition, inner catheter 3 is inserted into water conservancy diversion trocar sheath 4 top, and water conservancy diversion trocar sheath 4 lower end is connected with rotary impact generator upper end, bores
Well liquid is divided into two strands after guiding device, and it is internal that one enters rotary impact generator mandrel 6, is entered by main high pressure runner
Impact chamber, above another plume to rotary impact generator end cap 5, enters commutation chamber by auxiliary high pressure runner；Rotary impact is sent out
Raw device is supported by end cap 5, impact stator 9, impact rotor 8, reversing valve core 7, mandrel 6, variable nozzle 10, sealing ring 17, location
Ring 18 forms, and impact stator 9 lower end is connected by screw thread with lower union joint 11, and impact stator 9 bottom face is arranged symmetrically with blind hole,
Corresponding with inner face tapped through hole in the middle part of lower union joint 11, both are connected by interior hexagonal holding screw 13, in order to transmit punching
Hit moment of torsion, and prevent the thread looseness caused due to impact；The threaded drill bit of NC 12 is passed through in lower union joint 11 lower end.
Shown in accompanying drawing 2, accompanying drawing 3, rotary impact generator is the most coaxially sequentially installed with mandrel 6, reversal valve
Core 7, impact rotor 8, impact stator 9, portion is provided with end cap 5 on the generator, at end cap 5 and reversing valve core 7, impact rotor 8
Gap sealing ring 17 and location support ring 18 are installed, in mandrel 6 bottom, at step surface, variable nozzle 10 is installed, thus
Collectively form impact chamber, commutation chamber, and high pressure runner and low pressure runner；Impact chamber is arranged symmetrically with by impact rotor 8 outer surface
Fan-shaped impact body 22 and the fan groove 21 that is arranged symmetrically with of impact stator 9 inner surface coordinate to install and constitute, and by generator
The end cap 5 in portion is formed closes chamber, and fan-shaped impact body 22 is at the common work of reversing valve core 7, main high pressure runner and primary low runner
Move reciprocatingly along fan groove 21 with lower, simultaneously impact fan groove 21 inwall, and drive impact rotor 8 to do crankmotion；
The gathering sill 26 that the commutation shift fork 25 that is arranged symmetrically with by impact rotor 8 inner surface of chamber and reversing valve core 7 outer surface are arranged symmetrically with is joined
Close to install and constitute, and formed by the sealing ring 17 on generator top and close chamber, reversing valve core 7 under the drive of shift fork 25 with
Impact rotor 8 rotates simultaneously, at the end of a rotating distance, gathering sill 26 rotatory inertia, auxiliary high pressure runner and
Under the common effect of auxiliary low pressure runner, relative shift fork 25 continues motion, causes impacting inlet and the conversion of liquid outlet in chamber, from
And realize the counter-rotating of impact rotor 8, and drive reversing valve core 7 counter-rotating, complete commutation；High pressure runner has two, main
High pressure runner is made up of mandrel 6 helicla flute 16, spool pressure hole 27 successively, and auxiliary high pressure runner is successively by end cap half slot 30, punching
Hit the outer half slot of stator 9 19, stator pressure hole 20 forms；Low pressure runner has two, and primary low runner is let out by reversing valve core 7 successively
Chute 23, the oblique discharge orifice 15 of mandrel 6 form, and auxiliary low pressure runner is made up of interior half slot 24, the oblique discharge orifice 15 of mandrel 6 successively, main,
Auxiliary low pressure runner converges in earial drainage chamber, mandrel 6 bottom 14, and communicates with impact stator 9 lower through-hole, constitutes lowpressure stream and says
Mouthful；All there is runner hole 28,29 fan-shaped impact body 22 both sides and shift fork 25 both sides of impact rotor 8, are used as impact chamber and commutation chamber
Inlet or liquid outlet, main high pressure runner and primary low runner by sprue hole 28 connect impact chamber, auxiliary high pressure runner and
Auxiliary low pressure runner connects commutation chamber by hole 29, secondary flow road；The shaft shoulder is arranged at mandrel 6 bottom, in order to support reversing valve core 7；Impact stator
Interior step surface is arranged at 9 bottoms, in order to support mandrel 6.
During the work of this utility model underground hydraulic rotary impact device, drilling fluid enters water conservancy diversion dress from upper binding head 1 through hole
Putting, after shunting, one enters main high pressure runner, and another stock enters auxiliary high pressure runner；In main high pressure runner, drilling fluid passes through sprue
Inlet in hole 28 enters impact chamber, promotes fan-shaped impact body 22 to move, drives reversing valve core 7 to revolve by shift fork 25 simultaneously
Turning, the drilling fluid of fan-shaped impact body 22 another side enters primary low runner by the liquid outlet in sprue hole 28, when once going
At the end of journey, fan-shaped impact body 22 impacts fan groove 21, forms the impulsive force to impact stator 9；Now, bore in auxiliary high pressure runner
Well liquid enters commutation chamber by the inlet in hole, secondary flow road 29, and gathering sill 26 is at the motive force of cleaner for high-pressure drilling fluid and reversing valve core
Continue motion under 7 rotatory inertia effects, cause impacting inlet and the conversion of liquid outlet in chamber, it is achieved fan-shaped impact body 22 inverse
To motion, and the counter-rotating of reversing valve core 7, completing commutation, the drilling fluid of shift fork 25 another side is by hole, secondary flow road 29
Liquid outlet enter auxiliary low pressure runner, repeat above-mentioned impact, commutation process afterwards；In low pressure runner, drilling fluid is sent out from rotary impact
Raw device enters drill bit 12 flow passage system by lower union joint 11 hollow after flowing out, then sprays from drill bit 12 nozzle；Due to impact chamber
Being arranged symmetrically with commutation chamber, therefore impact rotor 8 constitutes impulsive torque, by interior hexagonal to a pair impulsive force of impact stator 9
Holding screw 13 passes to lower union joint 11, and lower union joint 11 passes to drill bit 12 again.The moment of torsion that ground provides is passed by drill string
Passing upper binding head 1, upper binding head 1 delivers torque to drill bit 12 by urceolus 2, lower union joint 11.Drill bit 12 turns on ground
Square and impact torque act on down broken rock jointly, improve drilling speed.
Below it is only to realize an embodiment of the present utility model, other version based on this utility model principle
Within the scope of this utility model.
Claims (2)
1. a underground hydraulic rotary impact device, it is characterised in that: include upper binding head (1), urceolus (2), guiding device, rotation
Turn surge generator and lower union joint (11)；Urceolus (2) upper end is connected by screw thread with upper binding head (1), urceolus (2) lower end with
Lower union joint (11) is connected by moment of torsion tooth (31), and urceolus (2) is internal, be vertically connected with between head and be provided with water conservancy diversion dress from top to bottom
Put and rotary impact generator；Guiding device is made up of inner catheter (3) and water conservancy diversion trocar sheath (4), and inner catheter (3) is inserted into water conservancy diversion
On trocar sheath (4), water conservancy diversion trocar sheath (4) lower end is connected with rotary impact generator upper end；Rotary impact generator is by end cap
(5), impact stator (9), impact rotor (8), reversing valve core (7), mandrel (6), variable nozzle (10), sealing ring (17), location
Support ring (18) forms, and impact stator (9) lower end is connected by screw thread with lower union joint (11), and impact stator (9) bottom face has
Being arranged symmetrically with blind hole, corresponding with lower union joint (11) middle part inner face tapped through hole, both are by interior hexagonal holding screw
(13) connect；The threaded drill bit of NC (12) is passed through in lower union joint (11) lower end.
Underground hydraulic rotary impact device the most according to claim 1, it is characterised in that: described rotary impact generator from
In to outer be coaxially sequentially installed with mandrel (6), reversing valve core (7), impact rotor (8), impact stator (9), portion on the generator
End cap (5) is installed, sealing ring (17) and location are installed in end cap (5) and reversing valve core (7), the gap of impact rotor (8)
Support ring (18), is provided with variable nozzle (10) in mandrel (6) bottom at step surface, constitute impact chamber, commutation chamber, Yi Jigao
Baric flow road and low pressure runner；Fan-shaped impact body (22) that described impact chamber is arranged symmetrically with by impact rotor (8) outer surface and impact
The fan groove (21) that stator (9) inner surface is arranged symmetrically with coordinates installs composition, and forms envelope by the end cap (5) on generator top
Close chamber；Shift fork (25) and reversing valve core (7) outer surface that described commutation chamber is arranged symmetrically with by impact rotor (8) inner surface are symmetrical
The gathering sill (26) arranged coordinates installs composition, and the sealing ring (17) passing through generator top is formed and closes chamber；Described height
Baric flow road has two, and main high pressure runner is made up of mandrel (6) helicla flute (16), spool pressure hole (27) successively, auxiliary high pressure runner
It is made up of end cap half slot (30), impact stator (9) outer half slot (19), stator pressure hole (20) successively；Described low pressure runner
Having two, primary low runner is made up of reversing valve core (7) dredging flow groove (23), mandrel (6) tiltedly discharge orifice (15) successively, auxiliary lowpressure stream
Road is made up of interior half slot (24), mandrel (6) tiltedly discharge orifice (15) successively, and main and auxiliary low pressure runner is in earial drainage chamber, mandrel (6) bottom
(14) converge in, and communicate with impact stator (9) lower through-hole, constitute low pressure runner exit；The fan-shaped punching of described impact rotor (8)
Hit body (22) both sides and shift fork (25) both sides and all have runner hole (28), (29)；The shaft shoulder is arranged at described mandrel (6) bottom；Described impact
Interior step surface is arranged at stator (9) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707807.3U CN205840769U (en) | 2016-07-06 | 2016-07-06 | A kind of underground hydraulic rotary impact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707807.3U CN205840769U (en) | 2016-07-06 | 2016-07-06 | A kind of underground hydraulic rotary impact device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205840769U true CN205840769U (en) | 2016-12-28 |
Family
ID=58149606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620707807.3U Expired - Fee Related CN205840769U (en) | 2016-07-06 | 2016-07-06 | A kind of underground hydraulic rotary impact device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205840769U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130930A (en) * | 2017-07-13 | 2017-09-05 | 王玉朋 | Drifting shakes drilling tool before a kind of sleeve pipe |
| CN107130931A (en) * | 2017-07-13 | 2017-09-05 | 王玉朋 | Drifting eddy flow can drilling tool before sleeve pipe |
| CN107842307A (en) * | 2017-11-24 | 2018-03-27 | 中石化石油工程技术服务有限公司 | A kind of drilling well torsion impact device and method |
| CN108468510A (en) * | 2018-06-05 | 2018-08-31 | 张成功 | A kind of downhole tool rotating device |
| CN108678659A (en) * | 2018-05-11 | 2018-10-19 | 西南石油大学 | A kind of underground drop is rubbed low frequency impact drilling tool |
| CN108798501A (en) * | 2018-05-08 | 2018-11-13 | 中国石油大学(华东) | Axial jet drilling speed-raising tool |
| CN115522881A (en) * | 2022-11-28 | 2022-12-27 | 成都阿斯贝瑞科技有限公司 | Constant-pressure constant-torsion drilling tool |
-
2016
- 2016-07-06 CN CN201620707807.3U patent/CN205840769U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130930A (en) * | 2017-07-13 | 2017-09-05 | 王玉朋 | Drifting shakes drilling tool before a kind of sleeve pipe |
| CN107130931A (en) * | 2017-07-13 | 2017-09-05 | 王玉朋 | Drifting eddy flow can drilling tool before sleeve pipe |
| CN107842307A (en) * | 2017-11-24 | 2018-03-27 | 中石化石油工程技术服务有限公司 | A kind of drilling well torsion impact device and method |
| CN108798501A (en) * | 2018-05-08 | 2018-11-13 | 中国石油大学(华东) | Axial jet drilling speed-raising tool |
| CN108678659A (en) * | 2018-05-11 | 2018-10-19 | 西南石油大学 | A kind of underground drop is rubbed low frequency impact drilling tool |
| CN108468510A (en) * | 2018-06-05 | 2018-08-31 | 张成功 | A kind of downhole tool rotating device |
| CN115522881A (en) * | 2022-11-28 | 2022-12-27 | 成都阿斯贝瑞科技有限公司 | Constant-pressure constant-torsion drilling tool |
| CN115522881B (en) * | 2022-11-28 | 2023-01-20 | 成都阿斯贝瑞科技有限公司 | Constant-pressure constant-torsion drilling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |