CN205840769U - A kind of underground hydraulic rotary impact device - Google Patents

A kind of underground hydraulic rotary impact device Download PDF

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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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CN
China
Prior art keywords
impact
generator
stator
mandrel
chamber
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.)
Expired - Fee Related
Application number
CN201620707807.3U
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Chinese (zh)
Inventor
赵军友
赵路豪
苏山林
张国伟
陈福忠
王雷
于世军
邹俊艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Petroleum Beijing CUPB
China University of Petroleum UPC East China
Original Assignee
China University of Petroleum UPC East China
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Priority to CN201620707807.3U priority Critical patent/CN205840769U/en
Application granted granted Critical
Publication of CN205840769U publication Critical patent/CN205840769U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of underground hydraulic rotary impact device
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.
CN201620707807.3U 2016-07-06 2016-07-06 A kind of underground hydraulic rotary impact device Expired - Fee Related CN205840769U (en)

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

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Cited By (4)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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

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GR01 Patent grant
C14 Grant of patent or utility model
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