CN106555551A - The agitator of vortex-induced vibration is realized using turbine and cellular flow passages - Google Patents
The agitator of vortex-induced vibration is realized using turbine and cellular flow passages Download PDFInfo
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- CN106555551A CN106555551A CN201610994966.0A CN201610994966A CN106555551A CN 106555551 A CN106555551 A CN 106555551A CN 201610994966 A CN201610994966 A CN 201610994966A CN 106555551 A CN106555551 A CN 106555551A
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- China
- Prior art keywords
- turbine
- vibration
- agitator
- vortex
- flow passages
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
Abstract
The present invention relates to a kind of utilization turbine realizes the agitator of vortex-induced vibration with cellular flow passages, it is made up of turbine assembly, vibration pipe nipple, adapter.Described vibration pipe nipple front end connection impact joint, rear end connects turbine assembly, by turbine assembly by hydraulic energy transfer be turbine wheel shaft mechanical energy, runner rotating switch is connected with turbine wheel shaft by screw thread, is changed drilling fluid runner, is flowed into vibration pipe nipple with making fluid cyclically-varying, so as to cause drilling liquid pressure cyclically-varying, make vibration pipe nipple produce the axial impact of certain frequency, an axial vibration is applied to drill bit in bit rock break-off process, so as to improve drill bit efficiency of breaking rock.With cellular flow passages, the utilization turbine of the present invention realizes that the agitator of vortex-induced vibration, using drilling fluid runner cyclically-varying, produces the axial impact force of certain frequency, simple structure, without electronic component and rubber element, to stratum strong adaptability, effectively improves drilling efficiency.
Description
Technical field
The present invention relates to a kind of utilization turbine in oil drilling, geological drilling, well cementation and coiled tubing field with
Cellular flow passages realize the agitator of vortex-induced vibration.
Background technology
Constantly develop with economical, Demand of Oil & Gas amount is increasing, and China's Shallow Oil-Gas resource then mouth benefit exhaustion, oil gas
Development technique constantly improves, the depth increase of Oil/gas Well, and deep-well, the number of ultradeep well increase.Make the stratum that drilling engineering faces
Working environment is more complicated, and drilling depth is continuously increased, and rock hardness and intensity under the effect of bottom confined pressure can all have substantially increasing
Plus, cause drill bit efficiency of breaking rock not high.When deep-well stratum is crept into, the very slow, drilling well of generally existing rate of penetration spends drill bit
High cost, and the raising of bit speed it is critical only that the efficiency of breaking rock for how improving drill bit.According to field experimentation practical studies number
According to showing, periodic shock load is applied to drill bit while rotary drilling, be conducive to improving the efficiency of breaking rock of drill bit, improve
The speed of drilling.The species of horn of plenty vibration tool, promotes the development of high-speed drilling technology, develops a kind of new axial rotary and shakes
Dynamic agitator is particularly important.
The content of the invention
It is an object of the invention to provide a kind of make turbine rotation change the agitator that runner produces vibration, solution by liquid flowing
Certainly the not high problem of drill bit efficiency of breaking rock and rate of penetration in deep-well, ultradeep well, can also accelerate to cement the well speed and be used for continuous oil
Guan Zhong.The turbine whirling vibration impacter of the present invention realizes flow channel for liquids cyclically-varying by rotary switch rotation, using stream
Road change causes hydraulic cyclically-varying, accelerates the broken rock effect of drill bit so as to produce the responsive to axial force of change in drill bit
Rate.
The technical scheme is that:The vortex-induced vibration produced using the change of drilling fluid hydraulic coupling realizes axial impact
Drilling tool be threaded connection and be fixedly mounted on drill bit rear portion, described drilling tool include turbine assembly, vibration pipe nipple,
Adapter, in vibration pipe nipple front end connection impact joint, rear end connection turbine assembly;Described turbine assembly includes turbine sheet
Body, angular contact ball bearing, anti-lost ring a, spacing collar a, turbine stator, turbine rotor, worm gear drive key, spacing collar b, rectangle
Sealing ring, turbine wheel shaft, cylinder roller bearing, thrust ball bearing, anti-lost ring b, successively by turbine rotor, turbine stator and stop collar
Cylinder b is arranged on turbine wheel shaft by worm gear drive key, anti-lost ring a is arranged on the top of turbine wheel shaft, by two angular contact ball axles
Hold and be reversibly mounted on turbine body and turbine wheel shaft top, in advance spacing collar a and rectangular seal are installed in turbine body,
Turbine stator is put in turbine body by spline fitted again, from top to bottom successively by cylinder roller bearing, thrust ball bearing
Turbine wheel shaft bottom is arranged on spacing ring;Adapter, adapter top are threaded connection and are connected with turbine body;It is described
Vibration pipe nipple include rotary switch, snap ring, spell ring, interior support set, support block, runner blocks, vibration body, rotary switch pass through spiral shell
Stricture of vagina is connected with turbine wheel shaft, and adapter bottom is connected with vibration body upper part by screw thread, by runner blocks by snap ring, spelling ring
Vibration is installed to interior support set, and this is internal, and when drilling fluid flows through the rotation of turbine assembly turbine rotor, turbine rotor is transmitted by key
Moment of torsion rotates turbine wheel shaft, and turbine wheel shaft is rotated through threaded connection and switch rotary is rotated, and rotary switch changes drilling fluid and enters
The form of air stream enter runner block, two fluid course entrance cyclically-varyings of the drilling fluid in runner blocks make fluid pressure produce the cycle
Property change, driving oscillation pipe nipple produce axial vibration, by vibrate body will vibrate to front transfer, act on drill bit, so as to
Drill bit broken rock speed can be accelerated, bit freezing is prevented, drilling efficiency is improved.
The drilling tool of vibration realizing axial impact is produced in such scheme using change in fluid pressure, it is characterised in that:
Inside vibration pipe nipple, special flow passage is made up of the runner blocks of 2 symmetrical configurations, and rotary switch is rotated under the drive of turbine wheel shaft,
Correspondingly change liquid and enter oscillation generator mode, make liquid flowing pressure produce preiodic type change, so as to produce axial direction
Vibratory impulse power.
Support block is provided between runner blocks inlet and rotary switch in such scheme, for making rotary switch short with vibration
There is a certain distance in two runner mouths of section, it is therefore an objective to which preventing flow channel for liquids from blocking causes turbine cisco unity malfunction.
Utilization turbine in such scheme realizes the agitator of vortex-induced vibration, special flow inside vibration pipe nipple with cellular flow passages
The structure design in road is as follows, and the invention can be divided into bifora, trifora, quadrifora and porous type profit by runner inlet number
The agitator of vortex-induced vibration is realized with turbine and cellular flow passages, by flow channel shape can be divided into R types, U-shaped and V-type using turbine with
Cellular flow passages realize the agitator of vortex-induced vibration.
Utilization turbine in such scheme realizes the agitator of vortex-induced vibration, special flow inside vibration pipe nipple with cellular flow passages
Road inlet number is different, and rotary switch changes liquid inlet in the driving periodical of turbine mechanism, changes fluid pressure and produces
Raw vibration.The number in design runner hole is different, it is therefore an objective to different frequency of vibration are realized under the conditions of secondary speed is not changed.Two
Using turbine and cellular flow passages, pass realizes that the agitator holes of vortex-induced vibration is centrosymmetry distribution, trifora using turbine with
Cellular flow passages realize that three hole of agitator of vortex-induced vibration is circumferential 120 degree and is uniformly distributed, the invention quadrifora utilize turbine with it is many
Hole runner realizes that four pore size distributions of the agitator of vortex-induced vibration have even circumferential distribution and two kinds of forms substantially symmetrical about its central axis, porous
Distribution form may be referred to four well format of invention, can be more according to the number of perforations that different drilling well actual condition selections is adapted
Drilling efficiency is improved effectively.
Utilization turbine in such scheme realizes the agitator of vortex-induced vibration, special flow inside vibration pipe nipple with cellular flow passages
The alteration of form liquid flow patterns in road, so as to changing fluid pressure and producing vibration.The flow channel shape of the present invention is divided into R types, U
Type and V-type, wherein U-shaped and V-type runner is axial symmetry runner, R type runners are a kind of runners of comprehensive U-shaped and V-type feature design,
The abstract of invention figure is that the utilization turbine of design realizes that with cellular flow passages a kind of two hole of the R types rotation in the agitator of vortex-induced vibration is shaken
Impacter, this invention can fully demonstrate the form that U-shaped and V-type changes fluid pressure, not only produce axial direction in asymmetric runner
Vibration can also obtain corresponding footpath vibration to be prevented from bit freezing and accelerates drill bit broken rock speed improving efficiency.
The invention has the beneficial effects as follows:(1) drive turbine that switch rotary periodically-varied stream is rotated using drilling fluid
Road, causes fluid pressure cyclically-varying so that the generation axial vibration of R types pipe nipple, simplifies frame for movement, improve instrument
Reliability, instrument pressure consumption are relatively low, and effectively section is using drilling well energy;(2) can provide extra with certain frequency for drill bit
Axial impact, accelerates drill bit broken rock, improves drilling machinery drilling speed, shortens drilling period, saves rig and rents with expense, material and people
Work cost;(3)Nonelastic body in turbine whirling vibration impacter, goes for most of working environment, not by chemical attack,
The impact of temperature;(4) extend the service life of drill bit, reduce the number of times for making a trip, use range can also more extensively increase branch
The well depth of the structure well such as well, horizontal well.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the Section A-A figure in Fig. 1 of the present invention.
Fig. 3 is the section B-B figure in Fig. 1 of the present invention.
Fig. 4 is the C-C sectional views in Fig. 1 of the present invention.
Fig. 5 rotary switch structure schematic diagrams.
Fig. 6 rotary switch structure schematic three dimensional views.
Fig. 7 drilling fluids flow schematic diagram in R type pipe nipple runners.
Fig. 8 drilling fluids flow schematic diagram in R type pipe nipple runners.
Fig. 9 is R type runner blocks structural representations
Figure 10 is V-type runner blocks structural representation.
Figure 11 is U-shaped runner blocks structural representation.
Figure 12 is trifora runner blocks structural representation.
Figure 13 is four hole symmetric form runner blocks structural representations.
Figure 14 is that four holes are circumferentially uniformly distributed type runner blocks structural representation.
1. turbine body in figure, 2. angular contact ball bearing, 3. anti-lost ring a, 4. spacing collar a, 5. turbine stator, 6. turbine
Rotor, 7. worm gear drive key, 8. spacing collar b, 9. rectangular seal, 10. turbine wheel shaft, 11. cylinder roller bearings, 12. thrusts
Ball bearing, 13. anti-lost ring b, 14. adapteres, 15. include rotary switch, 16. snap rings, and 17. spell rings, support set in 18., 19.
Bracer, 20. runner blocks, 21. vibration bodies.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings:
Referring to accompanying drawing 1, the drilling tool for producing vibration realizing axial impact using the change of drilling fluid pressure passes through screw thread
It is connected installed in drill bit rear portion, the drilling tool includes turbine assembly, vibration pipe nipple, adapter, before vibration pipe nipple
End connection impact joint, rear end connection turbine assembly;Described turbine assembly includes turbine body 1, angular contact ball bearing 2, prevents
Fall ring a3, spacing collar a4, turbine stator 5, turbine rotor 6, worm gear drive key 7, spacing collar b8, rectangular seal 9, turbine
Axle 10, cylinder roller bearing 11, thrust ball bearing 12, anti-lost ring b13, successively by turbine rotor 6, turbine stator 5 and stop collar
Cylinder b8 is arranged on turbine wheel shaft 10 by worm gear drive key 7, anti-lost ring a3 is arranged on the top of turbine wheel shaft 10, by two corner connections
Tactile ball bearing 2 is reversibly mounted on 10 top of turbine body 1 and turbine wheel shaft, installs spacing collar a4 and rectangular seal 9 in advance
To in turbine body 1, then turbine stator 5 is put in turbine body 1 by spline fitted, from top to bottom successively by cylindrical roller
Bearing 11, thrust ball bearing 12 and spacing ring 13 are arranged on 10 bottom of turbine wheel shaft.Turbine rotor axial direction is prevented using anti-lost ring a3
Motion, anti-lost ring b13 are used for support thrust bearing 12, and placing bearing and turbine wheel shaft step using adapter upper step prevents
Turbine wheel shaft falls down.
Described vibration pipe nipple includes rotary switch 15, snap ring 16, spells ring 17, interior support set 18, support block 19, runner blocks
20th, body 21 is vibrated, runner blocks 20 are the core of the vibration pipe nipple of the agitator that vortex-induced vibration is realized using turbine and cellular flow passages
Center portion part, runner blocks flow passage structure design it is as follows, the invention by runner inlet number can be divided into bifora, trifora,
Quadrifora and porous type realize the agitator of vortex-induced vibration using turbine and cellular flow passages, can be divided into R types, U by flow channel shape
Type and V-type realize the agitator of vortex-induced vibration using turbine and cellular flow passages, can select what is be adapted according to different operating modes
Runner form, the present invention are to revolve the rotation impacter that shakes according to R types turbine, and rotary switch 15 is connected with turbine wheel shaft 10 by screw thread, will
14 bottom of adapter is connected with 21 top of vibration body by screw thread, by runner blocks 20 by snap ring 16, spelling ring 17 and internal stay
Set 18 is installed in vibration body 21, is rotated when drilling fluid flows through turbine assembly turbine rotor 6, and turbine rotor 6 is transmitted by key
Moment of torsion rotates turbine wheel shaft 10, and turbine wheel shaft 10 is rotated through threaded connection and 15 rotation of switch is rotated, and rotary switch 15 changes
Drilling fluid enters the form of runner blocks 20, and drilling fluid makes liquid in two fluid course entrance cyclically-varyings of runner blocks 20
Pressure produces cyclically-varying, and driving oscillation pipe nipple produces axial vibration, will be vibrated to front transfer, effect by vibrating body 21
On drill bit, so as to accelerate drill bit broken rock speed, bit freezing is prevented, improve drilling efficiency.
Claims (6)
1. the agitator of vortex-induced vibration is realized using turbine and cellular flow passages, it is characterised in that:Described drilling tool includes whirlpool
Wheel assembly, vibration pipe nipple, adapter, in vibration pipe nipple front end connection impact joint, rear end connection turbine assembly;Described whirlpool
Wheel assembly includes turbine body(1), angular contact ball bearing(2), anti-lost ring a(3), spacing collar a(4), turbine stator(5), whirlpool
Wheel rotor(6), worm gear drive key(7), spacing collar b(8), rectangular seal(9), turbine wheel shaft(10), cylinder roller bearing
(11), thrust ball bearing(12), anti-lost ring b(13), successively by turbine rotor(6), turbine stator(5)With spacing collar b(8)It is logical
Cross worm gear drive key(7)Installed in turbine wheel shaft(10)On, by anti-lost ring a(3)Installed in turbine wheel shaft(10)Top, by two angles
Contact ball bearing(2)It is reversibly mounted on turbine body(1)And turbine wheel shaft(10)Top, in advance by spacing collar a(4)It is close with rectangle
Seal(9)It is installed to turbine body(1)On, then by spline fitted by turbine stator(5)It is put into turbine body(1)It is interior, from upper
Arrive down cylinder roller bearing successively(11), thrust ball bearing(12)And spacing ring(13)Installed in turbine wheel shaft(10)Bottom;Turn
Changing-over head(14), adapter(14)Top is threaded connection and turbine body(1)Connection;Described vibration pipe nipple includes rotation
Turn on pass(15), snap ring(16), spell ring(17), interior support set(18)Support block(19), runner blocks(20), vibration body(21), rotation
Turn on pass(15)By screw thread and turbine wheel shaft(10)Connection, by adapter(14)Bottom is by screw thread and vibration body(21)On
Portion connects, by runner blocks(20)By snap ring(16), spell ring(17)With interior support set(18)It is installed to vibration body(21)It is interior, work as brill
Well liquid flows through turbine assembly turbine rotor (6) rotation, and turbine rotor (6) rotates turbine wheel shaft (10) by key transmitting torque, whirlpool
Wheel shaft (10) is rotated through threaded connection and switch is rotated(15)Rotation, rotary switch(15)Change drilling fluid and enter runner blocks
(20)Form, drilling fluid is in runner blocks(20)Two fluid course entrance cyclically-varyings, make fluid pressure produce the cycle
Property change, driving oscillation pipe nipple produce axial vibration, by vibrate body(21)To vibrate to front transfer, act on drill bit,
So as to accelerate drill bit broken rock speed, bit freezing is prevented, improve drilling efficiency.
2. utilization turbine according to claim 1 and cellular flow passages realize the agitator of vortex-induced vibration, inside vibration pipe nipple
Special flow passage is by 2 runner blocks(20)Composition, rotary switch(15)In turbine wheel shaft(10)Drive under rotate, correspondingly change
Liquid enters oscillation generator mode, makes liquid flowing pressure produce preiodic type change, so as to produce axial vibration impulsive force.
3. utilization turbine according to claim 1 and cellular flow passages realize the agitator of vortex-induced vibration, it is characterised in that:Institute
The rotary switch stated(15)With runner blocks(20)Support block is provided between inlet(19), it is to avoid flow channel for liquids is blocked causes turbine
Cisco unity malfunction.
4. utilization turbine according to claim 1 and cellular flow passages realize the agitator of vortex-induced vibration, inside vibration pipe nipple
The structure design of special flow passage is as follows, and the invention can be divided into bifora, trifora, quadrifora and many by runner inlet number
Pass realizes the agitator of vortex-induced vibration using turbine and cellular flow passages, can be divided into R types, U-shaped and V-type by flow channel shape and utilize
Turbine realizes the agitator of vortex-induced vibration with cellular flow passages.
5. utilization turbine according to claim 4 and cellular flow passages realize the agitator of vortex-induced vibration, inside vibration pipe nipple
Special flow passage inlet number is different, and rotary switch changes liquid inlet in the driving periodical of turbine mechanism, changes liquid
Pressure produces vibration, and the number for designing runner hole is different, it is therefore an objective to different vibrations are realized under the conditions of secondary speed is not changed
Using turbine and cellular flow passages, frequency, bifora realize that the agitator holes of vortex-induced vibration is that centrosymmetry is distributed, trifora profit
Realize that three hole of agitator of vortex-induced vibration is circumferential 120 degree and is uniformly distributed that the invention quadrifora is utilized with turbine and cellular flow passages
With cellular flow passages, turbine realizes that four pore size distributions of the agitator of vortex-induced vibration have even circumferential distribution and two kinds of shapes substantially symmetrical about its central axis
Formula, the distribution form of porous may be referred to four well format of invention, according to the hole that different drilling well actual conditions selects to be adapted
Number can significantly more efficient raising drilling efficiency.
6. utilization turbine according to claim 4 and cellular flow passages realize the agitator of vortex-induced vibration, inside vibration pipe nipple
The alteration of form liquid flow patterns of special flow passage, so as to changing fluid pressure and producing vibration, the flow channel shape point of the present invention
For R types, U-shaped and V-type, wherein U-shaped and V-type runner is axial symmetry runner, R type runners are the one of comprehensive U-shaped and V-type feature design
Runner is planted, the abstract of invention figure is that the utilization turbine of design and cellular flow passages realize a kind of R types in the agitator of vortex-induced vibration
The impacter that shakes is revolved in two holes, and this invention can fully demonstrate the form that U-shaped and V-type changes fluid pressure, in asymmetric runner not only
Generation axial vibration can also obtain corresponding footpath vibration to be prevented from bit freezing and accelerates drill bit broken rock speed improving efficiency.
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CN201610994966.0A CN106555551B (en) | 2016-11-11 | 2016-11-11 | The oscillator of vortex-induced vibration is realized using turbine and cellular flow passages |
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CN201610994966.0A CN106555551B (en) | 2016-11-11 | 2016-11-11 | The oscillator of vortex-induced vibration is realized using turbine and cellular flow passages |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106968602A (en) * | 2017-05-31 | 2017-07-21 | 长江大学 | A kind of switching regulator drilling water forced oscillation device |
CN109915029A (en) * | 2019-04-23 | 2019-06-21 | 西南石油大学 | The PDC drill bit of multidirectional coupling fluidic oscillation |
CN111927366A (en) * | 2020-09-14 | 2020-11-13 | 西南石油大学 | Neodymium magnet type hydraulic oscillator |
CN113719267A (en) * | 2021-09-15 | 2021-11-30 | 西南石油大学 | Mechanical nonlinear control near-bit variable-frequency pressurizing oscillation tool |
-
2016
- 2016-11-11 CN CN201610994966.0A patent/CN106555551B/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106968602A (en) * | 2017-05-31 | 2017-07-21 | 长江大学 | A kind of switching regulator drilling water forced oscillation device |
CN109915029A (en) * | 2019-04-23 | 2019-06-21 | 西南石油大学 | The PDC drill bit of multidirectional coupling fluidic oscillation |
CN111927366A (en) * | 2020-09-14 | 2020-11-13 | 西南石油大学 | Neodymium magnet type hydraulic oscillator |
CN111927366B (en) * | 2020-09-14 | 2022-03-18 | 西南石油大学 | Neodymium magnet type hydraulic oscillator |
CN113719267A (en) * | 2021-09-15 | 2021-11-30 | 西南石油大学 | Mechanical nonlinear control near-bit variable-frequency pressurizing oscillation tool |
CN113719267B (en) * | 2021-09-15 | 2023-05-19 | 西南石油大学 | Near-bit variable-frequency pressurizing oscillation tool with mechanical nonlinear control |
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Effective date of registration: 20201126 Address after: No.40 Binhu Road, Dongxing City, Fangchenggang City, Guangxi Zhuang Autonomous Region Patentee after: Dongxing Sifeng Seafood Industry Co., Ltd Address before: No. 8 Road, Xindu Xindu District of Chengdu city of Sichuan Province in 610500 Patentee before: SOUTHWEST PETROLEUM University |
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