CN104895517B - A kind of turbine drives bivalve hydroscillator - Google Patents
A kind of turbine drives bivalve hydroscillator Download PDFInfo
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- CN104895517B CN104895517B CN201510343229.XA CN201510343229A CN104895517B CN 104895517 B CN104895517 B CN 104895517B CN 201510343229 A CN201510343229 A CN 201510343229A CN 104895517 B CN104895517 B CN 104895517B
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- wheel shaft
- turbine wheel
- turbine
- valve group
- short circuit
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Abstract
The present invention relates to a kind of turbine drives bivalve hydroscillator, category oil, natural gas extraction, drilling tool technical field.The oscillator is made up of vibration short circuit assembly, power short circuit assembly；It is connected with each other between vibration short circuit assembly and power short circuit assembly by screw thread；Power short circuit assembly is made up of clamping sleeve, turbine wheel shaft, host shell, lower contact, flow splitter and diversion sleeve；The threaded upper ends of host shell are equipped with clamping sleeve, and the lower end screw thread of host shell is equipped with lower contact；It is provided with turbine wheel shaft in host shell, turbine wheel shaft upper end ends screw is equipped with end cap, and upper alignment bearing and lower alignment bearing are housed on the turbine wheel shaft circumference below end cap；Flow splitter is provided with by diversion sleeve on turbine wheel shaft circumference below lower alignment bearing.The oscillator not only increases drilling rate, and reduces energy expenditure compared with conventional art, extends service life, is particularly suitable for oil, natural gas extraction, the construction needs of drilling well.
Description
Technical field
The present invention relates to a kind of turbine drives bivalve hydroscillator, category oil, natural gas extraction, drilling tool technology neck
Domain.
Background technology
With the exploitation and development in oil field, shallow-layer oil field has been developed totally substantially.High angle hole, horizontal well and horizontal point
The quantity of the complex structural wells such as branch well is more and more, and its drilling efficiency is also more and more lower.Drilling speed is influenceed in drilling process most
It is big to hinder to be exactly caused frictional resistance in drilling process.To reduce frictional resistance and reducing the support occurred during slide drilling
Pressure, viscous card phenomenon.People have found by research, apply appropriate periodicity axial vibration to drilling well post, make drilling tool and the borehole wall it
Between stiction be changed into kinetic force of friction, it can be ensured that in drilling process frictional resistance reduce, increase available weight, so as to reach
To the purpose for improving rate of penetration.The instruments such as impactor, water conservancy pressurizer are have developed in succession according to this principle people.
But these tool technique performances and quality are in reduced levels, and oscillation effect is bad, fail the basic drilling that solves and grind
Hinder the problem of larger." a kind of drilling well dipulse water conservancy oscillator " patent of invention invented by the applicant
（201410552378.2）Though solve the problems, such as that drilling frictional resistance is excessive, oscillation effect is bad.But the vibrating effect of the oscillator
Whard to control, vibration is excessive to be caused drilling tool damage and vibrates too small to cause the unconspicuous phenomenon of antifriction effect to happen occasionally.And should
The problem of energy consumption is higher, the life-span is shorter also be present simultaneously in oscillator.Therefore it can not meet that oil, natural gas are opened to a certain extent
Adopt, the construction needs of drilling well.
The content of the invention
It is an object of the invention to：There is provided a kind of simple in construction；The vibration dynamics of normal table can be provided, effectively reduced
Frictional resistance of the drilling tool in drilling, improves rate of penetration；Solution prior art vibrating effect is whard to control, energy consumption is higher, makes
With the turbine drives bivalve hydroscillator of life-span shorter problem.
The technical scheme is that：
A kind of turbine drives bivalve hydroscillator, it is made up of vibration short circuit assembly, power short circuit assembly；Vibrate short circuit
It is connected with each other between assembly and power short circuit assembly by screw thread；Short circuit assembly is vibrated by spline mandrel, vibration housing, connection
Set, compression spring and clamp nut are formed；Spline mandrel is provided with by coupling sleeve on vibration housing, vibrates the spline in housing
Mandrel lower end screw thread is provided with clamp nut；Spline mandrel between clamp nut and coupling sleeve is provided with compression spring；It is described
Power short circuit assembly be made up of clamping sleeve, turbine wheel shaft, host shell, lower contact, flow splitter and diversion sleeve；Host shell it is upper
End screw thread is equipped with clamping sleeve, and the lower end screw thread of host shell is equipped with lower contact；It is characterized in that；Set in described host shell
Have a turbine wheel shaft, turbine wheel shaft upper end ends screw is equipped with end cap, on the turbine wheel shaft circumference below end cap equipped with upper alignment bearing and under
Alignment bearing, by being sequentially arranged with valve group I, valve group under upper cause on the turbine wheel shaft circumference between upper alignment bearing and lower alignment bearing
II and multistage turbine group；Flow splitter is provided with by diversion sleeve on turbine wheel shaft circumference below lower alignment bearing；Below diversion sleeve
Turbine wheel shaft circumference on thrust bearing is housed, sleeve is housed on the host shell between thrust bearing and lower alignment bearing.
It is threadedly coupled between described vibration housing and coupling sleeve, is slidably connected between coupling sleeve and spline mandrel.
Described valve group I, valve group II by dynamic valve and determine valve and formed respectively, move valve and are fixedly connected by pin key with turbine wheel shaft；
Determine valve to be fixedly mounted on host shell inwall.
Described multistage turbine group is made up of turbine rotor and turbine stator, and turbine rotor is fixed by pin key and turbine wheel shaft
Connection；Turbine stator is fixedly mounted on host shell inwall.
Described upper alignment bearing, lower alignment bearing, the stage casing of turbine wheel shaft and hypomere is opened and is formed with runner.
Initial angle between described valve group I and valve group II mutually staggers 10 °~90 °.
The advantage of the invention is that：
The turbine drives bivalve hydroscillator is arranged on the design on turbine top using twin-stage valve group.When dynamic in valve group
Valve, the area of passage determined between valve interlock, and when producing pressure pulse upwards, pressure pulse transmits energy directly up, keeps away
Caused energy loss when pressure pulse passes through turbine group is exempted from, and then has kept the amplitude of pressure pulse, made the oscillator
Oscillation effect is fully played.The initial angle that additionally uses between bivalve group of the oscillator staggers certain angle simultaneously
Design, being superimposed for valve group I and pressure pulse maximum pressure amplitude caused by valve group II is so just avoided, while in turn ensure that folded
The pressure pulse added has higher amplitude.And then in the case where ensure that drilling tool safety, produce the oscillator normal, steady
Fixed, higher oscillating force.The impact cutting force of some strength is provided for drill bit, the stiction between drilling tool and the borehole wall is changed
For kinetic force of friction, reduce the frictional resistance in drilling process, available weight increase, so as to reach the mesh for improving rate of penetration
's.
Brief description of the drawings
Accompanying drawing 1 is a kind of overall structure diagram of turbine drives bivalve hydroscillator；
Accompanying drawing 2 is the structural representation that a kind of turbine drives bivalve hydroscillator vibrates short circuit assembly；
Accompanying drawing 3 is a kind of structural representation of turbine drives bivalve hydroscillator power short circuit assembly.
In figure：1st, spline mandrel, 2, vibration housing, 3, coupling sleeve, 4, compression spring, 5, clamp nut, 6, clamping sleeve, 7,
Turbine wheel shaft, 8, host shell, 9, lower contact, 10, flow splitter, 11, diversion sleeve, 12, end cap, 13, upper alignment bearing, 14, under help
Positive bearing, 15, valve group I, 16, valve group II, 17, multistage turbine group, 18, thrust bearing, 19, sleeve.
Embodiment
The turbine drives bivalve hydroscillator is made up of vibration short circuit assembly, power short circuit assembly；Vibrate short circuit assembly
It is connected with each other between power short circuit assembly by screw thread；Vibrate short circuit assembly by spline mandrel 1, vibration housing 2, coupling sleeve 3,
Compression spring 4 and clamp nut 5 are formed；Spline mandrel 1 is provided with by coupling sleeve 3 on vibration housing 2；Vibrate housing 2 and connection
It is threadedly coupled between female connector 3, is slidably connected between coupling sleeve 3 and spline mandrel 1.Vibrate the lower end spiral shell of spline mandrel 1 in housing 2
Line is provided with clamp nut 5；Spline mandrel 1 between clamp nut 5 and coupling sleeve 3 is provided with compression spring 4.
Described power short circuit assembly is by clamping sleeve 6, turbine wheel shaft 7, host shell 8, lower contact 9, flow splitter 10 and shunting
Set 11 is formed；The threaded upper ends of host shell 8 are equipped with clamping sleeve 6, and the lower end screw thread of host shell 8 is equipped with lower contact 9；Main case
Turbine wheel shaft 7 is provided with body 8, the upper end ends screw of turbine wheel shaft 7 is equipped with end cap 12, filled on the circumference of turbine wheel shaft 7 of the lower section of end cap 12
Have upper alignment bearing 13 and lower alignment bearing 14, on the circumference of turbine wheel shaft 7 between upper alignment bearing 13 and lower alignment bearing 14 by
Valve group I 15, valve group II 16 and multistage turbine group 17 are sequentially arranged with upper cause；Valve group I 15, valve group II 16 by dynamic valve and are determined respectively
Valve is formed, and dynamic valve is fixedly connected by pin key with turbine wheel shaft 7；Determine valve to be fixedly mounted on the inwall of host shell 8.
Multistage turbine group 17 is made up of turbine rotor and turbine stator, and turbine rotor is fixed by pin key and turbine wheel shaft 7 to be connected
Connect；Turbine stator is fixedly mounted on the inwall of host shell 8.Multistage turbine group 17 can drive turbine wheel shaft 7 to rotate, and turbine wheel shaft 7 can
The dynamic valve in valve group I 15, valve group II 16 is driven to rotate.The rotation of dynamic valve in valve group I 15, valve group II 16 is by periodically-varied
With determining the area of passage between valve.The cyclically-varying of area of passage will make the interior drilling liquid pressure of the oscillator in periodically change
Change so as to produce pressure pulse.
Initial angle between valve group I 15 and valve group II 16 mutually staggers 10 °~90 °.Avoid valve group I 15, valve group II
The superposition of pressure pulse maximum pressure amplitude caused by 16, cause to vibrate the phenomenon of excessive damage drilling tool.In turn ensure that simultaneously folded
The pressure pulse added has higher amplitude, the oscillator is produced the higher oscillating force of normal table.
Flow splitter 10 is provided with by diversion sleeve 11 on the circumference of turbine wheel shaft 7 of the lower lower section of alignment bearing 14；Under diversion sleeve 11
Thrust bearing 18 is housed on the circumference of turbine wheel shaft 7 of side, is equipped with the host shell 8 between thrust bearing 18 and lower alignment bearing 14
Sleeve 19.Described upper alignment bearing 13, lower alignment bearing 14, the stage casing of turbine wheel shaft 7 and hypomere is opened and is formed with runner.It is most of
Fluid by from the runner of turbine wheel shaft 7 by the way that small portion of fluid leads to along runner of the flow splitter 10 between diversion sleeve 11 and sleeve 19
Cross.
When the turbine drives bivalve hydroscillator works, first by the initial angle between valve group I 15 and valve group II 16
Mutually stagger 10 °~90 °.Then the oscillator is connected with drilling pump,
The drilling fluid exported by drilling pump will flow through vibration short circuit assembly, upper alignment bearing 13, valve group I 15, valve group II
16th, most fluid will flow out from the runner of turbine wheel shaft 7 after multistage turbine group 17 and lower alignment bearing 14, small portion of fluid
Flowed out along runner of the flow splitter 10 between diversion sleeve 11 and sleeve 19.
In this course, the drilling fluid of flowing will drive the turbine rotor in multistage turbine group 17 to rotate.So as to drive
Turbine wheel shaft 7 rotates, and turbine wheel shaft 7 will drive the dynamic valve in valve group I 15, valve group II 16 to rotate.In valve group I 15, valve group II 16
Dynamic valve periodic rotary during, the area of passage in valve group I 15, valve group II 16 changes generating period, causes to compress
The drilling liquid pressure of the bottom of nut 5 is in cyclically-varying, so as to modulate simple harmonic characteristic pressure wave.Valve group I 15, valve group II 16 are adjusted
Make simple harmonic characteristic pressure wave it is superimposed after be passed up to compression spring 4, compression spring 4 will drive vibration shell by coupling sleeve 3
Body 2 does lasting simple harmonic characteristic vibration.This simple harmonic characteristic vibration is delivered on top rod and bottom drilling rod vertically, so as to be brill
Head provides the impact cutting force of some strength, the stiction between drill string and tube wall is converted to kinetic force of friction, effectively improves
Rate of penetration.The oscillator not only increases drilling rate and reduces energy expenditure compared with conventional art, extends and makes
With the life-span be particularly suitable for oil, natural gas extraction, drilling well construction needs.
Claims (1)
1. a kind of turbine drives bivalve hydroscillator, including vibration short circuit assembly, power short circuit assembly；Vibrate short circuit assembly with
It is connected with each other between power short circuit assembly by screw thread；Short circuit assembly is vibrated by spline mandrel（1）, vibration housing（2）, coupling sleeve
（3）, compression spring（4）And clamp nut（5）Form；Vibrate housing（2）On pass through coupling sleeve（3）Spline mandrel is installed（1）,
Vibrate housing（2）Interior spline mandrel（1）Lower end screw thread is provided with clamp nut（5）；Clamp nut（5）With coupling sleeve（3）It
Between spline mandrel（1）Compression spring is installed（4）；Described power short circuit assembly is by clamping sleeve（6）, turbine wheel shaft（7）, main frame
Housing（8）, lower contact（9）, flow splitter（10）And diversion sleeve（11）Form；Host shell（8）Threaded upper ends clamping sleeve is housed
（6）, host shell（8）Lower end screw thread lower contact is housed（9）；It is characterized in that：Host shell（8）Inside it is provided with turbine wheel shaft
（7）, turbine wheel shaft（7）Upper end ends screw is equipped with end cap（12）, end cap（12）The turbine wheel shaft of lower section（7）Upper righting is housed on circumference
Bearing（13）With lower alignment bearing（14）, upper alignment bearing（13）With lower alignment bearing（14）Between turbine wheel shaft（7）On circumference
From top to bottom it is sequentially arranged with valve group I（15）, valve group II（16）With multistage turbine group（17）；Lower alignment bearing（14）The whirlpool of lower section
Wheel shaft（7）Pass through diversion sleeve on circumference（11）Flow splitter is installed（10）；Diversion sleeve（11）The turbine wheel shaft of lower section（7）Filled on circumference
There is thrust bearing（18）, thrust bearing（18）With lower alignment bearing（14）Between host shell（8）It is upper that sleeve is housed（19）；Institute
The vibration housing stated（2）With coupling sleeve（3）Between be threadedly coupled, coupling sleeve（3）With spline mandrel（1）Between be slidably connected；
Described valve group I（15）, valve group II（16）Formed respectively by moving valve and determining valve, dynamic valve passes through pin key and turbine wheel shaft（7）Gu
Fixed connection；Determine valve and be fixedly mounted on host shell（8）On inwall；
Described multistage turbine group（17）It is made up of turbine rotor and turbine stator, turbine rotor passes through pin key and turbine wheel shaft（7）
It is fixedly connected；Turbine stator is fixedly mounted on host shell（8）On inwall；Multistage turbine group（17）Turbine wheel shaft can be driven（7）Turn
It is dynamic, turbine wheel shaft（7）Valve group I can be driven（15）, valve group II（16）In dynamic valve rotate；Valve group I（15）, valve group II（16）In it is dynamic
The rotation of valve is by periodically-varied and determines the area of passage between valve；The cyclically-varying of area of passage will make the interior of the oscillator
Drilling liquid pressure is in cyclically-varying so as to produce pressure pulse；
Described upper alignment bearing（13）, lower alignment bearing（14）, turbine wheel shaft（7）Stage casing and hypomere open and be formed with runner；With
Make segment fluid flow will be from turbine wheel shaft（7）Runner by, segment fluid flow along flow splitter（10）From diversion sleeve（11）With sleeve（19）
Between runner pass through；
Described valve group I（15）With valve group II（16）Between initial angle mutually stagger 10 °~90 ° to avoid valve group I（15）、
Valve group II（16）The superposition of caused pressure pulse maximum pressure amplitude, cause to vibrate the phenomenon of excessive damage drilling tool；Again simultaneously
Ensure that the pressure pulse of superposition has higher amplitude, the oscillator is produced the higher oscillating force of normal table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510343229.XA CN104895517B (en) | 2015-06-19 | 2015-06-19 | A kind of turbine drives bivalve hydroscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510343229.XA CN104895517B (en) | 2015-06-19 | 2015-06-19 | A kind of turbine drives bivalve hydroscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104895517A CN104895517A (en) | 2015-09-09 |
| CN104895517B true CN104895517B (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510343229.XA Expired - Fee Related CN104895517B (en) | 2015-06-19 | 2015-06-19 | A kind of turbine drives bivalve hydroscillator |
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| CN105275400B (en) * | 2015-11-13 | 2017-06-23 | 长江大学 | A kind of novel hydropower oscillator of vertical valve arrangement |
| CN105239929A (en) * | 2015-11-24 | 2016-01-13 | 西南石油大学 | Downhole tool for achieving efficient rock breaking through spin vibration |
| CN105888553B (en) * | 2016-04-13 | 2018-07-24 | 长江大学 | A kind of three-dimensional vibrating hydroscillator |
| CN108643821A (en) * | 2016-07-14 | 2018-10-12 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of low pressure consumption underground vibrating speed-raising tool |
| CN106639944B (en) * | 2016-11-16 | 2019-01-04 | 长江大学 | A kind of turbine type downhole hydraulic oscillator |
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| CN106761413B (en) * | 2016-12-30 | 2019-04-05 | 新昌县澄聚农业科技有限公司 | Hydroscillator |
| CN106917586B (en) * | 2017-05-09 | 2023-08-01 | 长江大学 | Screw type underground hydraulic oscillator |
| CN107448147A (en) * | 2017-09-26 | 2017-12-08 | 中国石油集团渤海钻探工程有限公司 | Pipe nipple occurs for underground hollow type annular pulse |
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| CN111577141B (en) * | 2020-04-29 | 2021-08-20 | 北京工业大学 | Turbine type hydraulic oscillator for well drilling |
| CN111677472B (en) * | 2020-06-11 | 2021-07-23 | 中国石油大学(北京) | Valve type hydraulic oscillator |
| CN112832684B (en) * | 2021-03-02 | 2023-05-26 | 中国石油天然气集团有限公司 | Metal hydraulic oscillator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7708088B2 (en) * | 2008-04-29 | 2010-05-04 | Smith International, Inc. | Vibrating downhole tool |
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| CN104165027A (en) * | 2013-05-16 | 2014-11-26 | 长江大学 | Three-dimensional turbine vibrator for petroleum drilling |
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| CN104405287A (en) * | 2014-10-19 | 2015-03-11 | 长江大学 | Dual-pulse hydraulic oscillator for well drilling |
| CN204703815U (en) * | 2015-06-19 | 2015-10-14 | 长江大学 | A kind of turbine drives bivalve hydroscillator |
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| Publication number | Publication date |
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| CN104895517A (en) | 2015-09-09 |
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| CB03 | Change of inventor or designer information |
Inventor after: Feng Ding Inventor after: Wang Peng Inventor after: Zhang Hong Inventor after: Hu Wengen Inventor after: Yu Xianmou Inventor before: Hu Wengen Inventor before: Yu Xianmou Inventor before: Wang Peng Inventor before: Feng Ding |
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Granted publication date: 20180130 Termination date: 20180619 |