CN106468138A - A kind of supersonic wave drill device and method - Google Patents
A kind of supersonic wave drill device and method Download PDFInfo
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- CN106468138A CN106468138A CN201510501072.9A CN201510501072A CN106468138A CN 106468138 A CN106468138 A CN 106468138A CN 201510501072 A CN201510501072 A CN 201510501072A CN 106468138 A CN106468138 A CN 106468138A
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- piezoelectric actuator
- supersonic wave
- high frequency
- drill
- mechanical vibration
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Abstract
The invention provides a kind of supersonic wave drill device, can be arranged on the side semicircle of the drill string between drill collar and drill bit.Drilling rig includes body and is arranged on the piezoelectric actuator on body.Drilling rig also includes being arranged at the lower end of piezoelectric actuator, for propagating and expanding the amplitude modulator of the amplitude of the mechanical vibration that piezoelectric actuator produces, and it is arranged at the lower end of amplitude modulator the impact portion being fixedly connected with body, for percussion produced by mechanical vibration is passed to body and drill bit.The supersonic wave drill device of the present invention improves rate of penetration, has saved drilling cost.
Description
Technical field
The present invention relates to exploration of oil and gas field and development technique field, more particularly, to a kind of supersonic wave drill device and side
Method.
Background technology
Drilling well refers to set up the passage on ground and subsurface deposit by drilling tool and technology.It is mainly used at present
The exploitation of the resources such as oil, natural gas, underground heat, subsoil water, well salt.Going deep into oil-gas exploration and development,
The increasingly deeper difficulty of drilling depth is increasing, and particularly deep-well, ultradeep well has that rate of penetration is low, drilling well
The problems such as cycle length, drilling cost are high, itself proposes higher requirement to drilling technology.
The problems such as energy transmission of traditional drilling mode, conversion, distribution and utilization ratio, fails to solve always, energy
Amount comprehensive utilization ratio is very low.The new boring method of the oil expert constantly exploratory development of countries in the world, research
Show with test, improving bit speed by waterpower driven rotary impact technology is a kind of effective method.Mesh
Before, both at home and abroad research was carried out to rotary impact technology technology, mainly deficiency is：Rotary percussion drilling technology belongs to
In mechanical shock, single strike work, power are larger, the problems such as the easy erosion of fluidic longevity of service, cause work
Tool service life is not long, limits it and carries out and apply.
Accordingly, it would be desirable to a kind of new drilling rig and method, to meet resource exploitation demand.
Content of the invention
The purpose of the present invention, is to provide a kind of supersonic wave drill device and method, should by ultrasonic activation technology
For drilling technology field.
According to an aspect of the invention, it is provided a kind of supersonic wave drill device, drill collar and drill bit can be arranged on
Between the side semicircle of drill string on, including body and be arranged on the piezoelectric actuator on body；Also include setting
It is placed in the lower end of piezoelectric actuator, for propagating and expanding the tune of the amplitude of the mechanical vibration that piezoelectric actuator produces
Width device, and be arranged at the lower end of amplitude modulator the impact portion being fixedly connected with body, for by mechanical vibration institute
The percussion producing passes to body and drill bit.
In this case, by piezoelectric actuator by high frequency, the electric energy being greater than 10000Hz is converted to phase
The mechanical vibration of same frequency, subsequent mechanical vibration are delivered to impact portion by adjustor after amplifying, impact portion is by machine
Percussion produced by tool vibration passes to drill bit and carries out drilling well.
Further, it is provided with free chamber in the inside of impact portion, be connected with free block in the lower end of amplitude modulator, from
Free intracavity is located at by block.Thus, amplitude modulator can be propagated and amplify in free chamber internal vibration by free block
Mechanical vibration are transferred to impact portion.
Further, piezoelectric actuator occurs the fixation wall of radial deformation to be fixed on the one of drill string by limiting it
On the semicircle of side.Thus, piezoelectric actuator only produces axial mechanical vibration after powered up.
Further, it is provided with the power interface accessing high frequency electric on the piezo actuator.Thus, can be used for for
Piezoelectric actuator provides high frequency electric.
Further, the shape of generatrix of amplitude modulator be ladder, index, circular cone, Gauss, Fourier, cosine or
Above-mentioned combination in any.
According to another aspect of the present invention, there is provided a kind of ultrasonic drill applying above-mentioned supersonic wave drill device
Well method.Mainly comprise the steps：First, provide high frequency electric by power interface for piezoelectric actuator.
Subsequently, mechanical vibration are converted into high frequency electric by piezoelectric actuator.Then, mechanical vibration are passed by amplitude modulator
Broadcast expansion, and act in free block.Finally, free block is in the free chamber internal vibration of impact portion, and will impact
Action passes to drill bit and carries out drilling well.
Further, the frequency of mechanical vibration of piezoelectric actuator conversion is equal with the natural frequency of free block.By
This, free block will produce resonance effect in free intracavity.When vibration touches impact portion to free block downwards, that is,
Complete one-shot action.
Further, the method for supplying of high frequency electric is：Directly fed from ground by cable or intelligent drilling rod；
Or using underground direct current battery, the high frequency electric matching with piezoelectric actuator is converted into by supersonic generator；
Or the energy using drilling fluid flowing, generated electricity by downhole generator, then be converted into by supersonic generator and
The high frequency electric that piezoelectric actuator matches.
Further, the frequency of high frequency electric is more than or equal to 10000Hz.Thus, piezoelectric actuator is by same frequency
The electric energy of rate is converted into mechanical vibration, mechanical vibration travel downward in the way of vibration wave, and amplitude modulated device reaches certainly
By block, there is resonance effect in free block in the free chamber in impact portion, per second can produce 10000 to impact portion
Secondary above percussion.
Compared with prior art, the present invention passes through to provide a kind of supersonic wave drill device and method, is driven using piezoelectricity
Dynamic device by high frequency current transitions for same frequency mechanical vibration.Mechanical vibration are delivered to after being amplified by amplitude modulator
Free block upper end, makes free block produce resonance effect in impact disc, and then produces downward high-frequency percussion action,
Reach the effect improving rate of penetration.The frequency of impact of the supersonic wave drill device of the present invention is higher, up to per second
More than 10000 times, improve rate of penetration, save drilling cost.And the single-impact intensity of device is less than
Mechanical shock mode, has longer service life.The structure of supersonic wave drill device is simple, dependable performance,
Application is stronger.
Brief description
Hereinafter will be based on embodiment and refer to the attached drawing is being described in more detail to the present invention.Wherein：
Fig. 1 is the structural representation of the supersonic wave drill device of the embodiment of the present invention；
Fig. 2 is the flow chart of the supersonic wave drill method of the embodiment of the present invention.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not according to actual ratio.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in figure 1, a kind of supersonic wave drill device 10, it is arranged on the side of the drill string between drill collar and drill bit
On semicircle.It is connected with drill bit in the lower section of supersonic wave drill device 10, above supersonic wave drill device 10
It is connected with drill collar or power drilling tool.Supersonic wave drill device 10 includes body 1 and is arranged on body 1
Piezoelectric actuator 3, is provided with amplitude modulator 4 in the lower section of piezoelectric actuator 3, is provided with punching in the lower section of amplitude modulator 4
Hit portion 6.Impact portion 6 is fixedly connected with body 1.That is, body 1 is the bearing structure of other parts, at this
Piezoelectric actuator 3, amplitude modulator 4 and impact portion 6 it have been sequentially arranged from top to bottom in vivo.In body 1 upper end cloth
It is equipped with the male joint for connecting drill collar or power drilling tool, be disposed with for connecting drill bit in the lower end of body 1
Female joint.In this case, piezoelectric actuator 3 can convert electrical energy into mechanical vibration, and mechanical vibration are passed through
Amplitude modulator 4 expands and propagates to impact portion 6, and percussion produced by mechanical vibration is passed to by impact portion 6
Body 1 and drill bit carry out drilling well.
In one particular embodiment of the present invention, as shown in figure 1, being provided with free chamber in the inside of impact portion 6
(depending on not going out), is connected with free block 5 in the lower end of amplitude modulator 4, and free block 5 loads free intracavity.Freely
Block 5 and the various shapes such as the generally circular in shape or polyhedron shape of free chamber, as long as both are adapted.Preferably
Ground, free block 5 is cylindrical shape.Amplitude modulator 4 can be propagated and put in free chamber internal vibration by free block 5
Big mechanical vibration are transferred to impact portion 6.
In one particular embodiment of the present invention, piezoelectric actuator 3 refers to the forward and reverse piezoelectricity using piezoelectric
Effect, i.e. mechanical energy is converted into electric energy or the effect converting electrical energy into mechanical energy, the transducer made.
Piezoelectric actuator 3 can be converted into high frequency electric the mechanical vibration of same frequency.Preferably, piezoelectric actuator
3 are designed as cylindrical shape, are provided with fixation wall on piezoelectric actuator 3, and fixation wall is fixed on body 1.
In this case, fixation wall can limit piezoelectric actuator 3 generation radial deformation, makes piezoelectric actuator 3
Axial mechanical vibration can occur, vibration wave can be with travel downward.Preferably, piezoelectric actuator 3 is arranged in drill string
On the semicircle of side, so another semicircle can provide flow channel for drilling fluid.
In one particular embodiment of the present invention, as shown in figure 1, piezoelectric actuator 3 is provided with electric energy joint
2 are used for connecting high frequency electric feeding mechanism.The method of supplying of high frequency electric can include following several：(1) lead to
Cross cable or intelligent drilling rod directly feeds from ground.(2) converted by ultrasonic-frequency power supply using underground direct current battery
It is the high frequency electric matching with piezoelectric actuator.(3) utilize the energy of drilling fluid flowing, sent out by down-hole
Electric power generation, then the high frequency electric matching with piezoelectric actuator is converted into by ultrasonic-frequency power supply.
In one particular embodiment of the present invention, amplitude modulator 4 is placed in the lower end of piezoelectric actuator 3, free block
5 upper end.The Main Function of amplitude modulator 4 is：Propagate the mechanical vibration of piezoelectric actuator 3 generation and expanded
Greatly, then act in free block 5.Amplitude modulator 4 is arranged on the semicircle of drill string side, and opposite side semicircle is permissible
There is provided flow channel for drilling fluid.Amplitude modulator 4 by shape of generatrix can be divided into again ladder, index, circular cone, Gauss,
The types such as Fourier, cosine are designed it is also possible to the amplitude modulator of these single shapes combines, design
Become compound amplitude modulator.
Related description will be carried out with work process to the using method applying above-mentioned supersonic wave drill device below.
As shown in Fig. 2 comprising the following steps：Drilling rig is connected to drill bit top, the bottom of drill collar by S1, passes through
Power interface provides high frequency electric for piezoelectric actuator.S2 piezoelectric actuator is converted into same frequency high frequency electric
Mechanical vibration.Mechanical vibration are propagated and are expanded by S3 amplitude modulator, and act in free block.S4 free block exists
The free chamber internal vibration of impact portion, and percussion action is passed to drill bit carry out drilling well.
When the mechanical oscillation frequencies of piezoelectric actuator 3 output are matched with the natural frequency of free block 5, freely
Block 5 produces resonance effect.When free block 5 is vibrated downwards and touched impact portion 6, that is, complete one-shot and move
Make.When being input to the frequency of high frequency electric of piezoelectric actuator 3 more than 10000Hz, free block 5 is per second can
Produce the percussion of more than 10000 times.Impact portion 6 is fixedly connected with body 5, when percussion acts on
During impact portion 6, percussion is ultimately transferred to body 1 and drill bit by impact portion 6, and then carries out drilling well.
Although by reference to preferred embodiment, invention has been described, without departing from the scope of the present invention
In the case of, it can be carried out with various improvement and part therein can be replaced with equivalent.Especially, only
Otherwise there is structural hazard, the every technical characteristic being previously mentioned in each embodiment all can combine in any way
Come.The invention is not limited in specific embodiment disclosed herein, but include falling within the scope of the appended claims
All technical schemes.
Claims (10)
1. a kind of supersonic wave drill device, can be arranged on the side semicircle of the drill string between drill collar and drill bit,
It is characterized in that, including：
Body；
Piezoelectric actuator, setting is on the body；
Amplitude modulator, is arranged at the lower end of described piezoelectric actuator, for adjusting the machine that described piezoelectric actuator produces
The amplitude of tool vibration；And
Impact portion, is arranged at the lower end of described amplitude modulator and is fixedly connected, for transmitting after amplitude modulation with described body
Percussion produced by described mechanical vibration.
2. supersonic wave drill device according to claim 1 is it is characterised in that in described impact portion
Portion is provided with free chamber, is connected with free block in the lower end of described amplitude modulator, and described free block is located at described free chamber
Interior.
3. supersonic wave drill device according to claim 1 is it is characterised in that in described piezoelectric actuator
It is provided with the power interface accessing high frequency electric.
4. supersonic wave drill device according to claim 1 is it is characterised in that the bus of described amplitude modulator
Shape includes ladder, index, circular cone, Gauss, Fourier or cosine, or described ladder, index, circular cone,
At least a combination of both in Gauss, Fourier and cosine.
5. a kind of supersonic wave drill method, applies the ultrasonic drill as any one of Claims 1-4
Well device is it is characterised in that comprise the following steps：
There is provided high frequency electric for piezoelectric actuator；
Described high frequency electric is converted into mechanical vibration；
Adjust the amplitude of described mechanical vibration；
Percussion produced by described mechanical vibration after transmission amplitude modulation.
6. supersonic wave drill method according to claim 5 will be it is characterised in that described piezoelectric actuator will
Described high frequency electric is converted into mechanical vibration, including：
Described high frequency electric is converted into the mechanical vibration of same frequency by described piezoelectric actuator.
7. supersonic wave drill method according to claim 5 is it is characterised in that the method includes：
Described mechanical vibration after amplitude modulation are passed to described impact portion by free block by described amplitude modulator.
8. supersonic wave drill method according to claim 7 is it is characterised in that the frequency of described mechanical vibration
Rate is equal with the natural frequency of described free block.
9. supersonic wave drill method according to claim 5 is it is characterised in that provide for piezoelectric actuator
High frequency electric, including：
There is provided high frequency electric by cable or intelligent drilling rod from ground for piezoelectric actuator；
Passing through supersonic generator using underground direct current battery provides high frequency electric for piezoelectric actuator；Or
Using the energy of drilling fluid flowing, carried for piezoelectric actuator by downhole generator and supersonic generator
For high frequency electric.
10. supersonic wave drill method according to claim 5 is it is characterised in that described high frequency electric
Frequency is more than or equal to 10000Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510501072.9A CN106468138A (en) | 2015-08-14 | 2015-08-14 | A kind of supersonic wave drill device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510501072.9A CN106468138A (en) | 2015-08-14 | 2015-08-14 | A kind of supersonic wave drill device and method |
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| CN106468138A true CN106468138A (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510501072.9A Pending CN106468138A (en) | 2015-08-14 | 2015-08-14 | A kind of supersonic wave drill device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999613A (en) * | 2018-08-07 | 2018-12-14 | 中国水利水电第七工程局有限公司 | A kind of high-ground stress region underground chamber middle and lower part excavation method |
| CN110792392A (en) * | 2019-10-11 | 2020-02-14 | 河北腾飞太行井业有限公司 | Combined type well drilling method |
| CN114042615A (en) * | 2021-11-22 | 2022-02-15 | 重庆市能源投资集团科技有限责任公司 | Ultrasonic generator based on direct-current power supply |
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| CN102926662A (en) * | 2006-06-09 | 2013-02-13 | 阿伯丁大学大学评议会 | Resonance enhanced drilling method and apparatus |
| US20140102804A1 (en) * | 2012-10-15 | 2014-04-17 | Bbj Tools Inc. | Agitator sub |
| CN203783471U (en) * | 2014-03-17 | 2014-08-20 | 逯中山 | High-frequency vibration type oil well drill bit |
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| WO2001083933A1 (en) * | 2000-05-03 | 2001-11-08 | Cybersonics, Inc. | Smart-ultrasonic/sonic driller/corer |
| CN102926662A (en) * | 2006-06-09 | 2013-02-13 | 阿伯丁大学大学评议会 | Resonance enhanced drilling method and apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999613A (en) * | 2018-08-07 | 2018-12-14 | 中国水利水电第七工程局有限公司 | A kind of high-ground stress region underground chamber middle and lower part excavation method |
| CN110792392A (en) * | 2019-10-11 | 2020-02-14 | 河北腾飞太行井业有限公司 | Combined type well drilling method |
| CN110792392B (en) * | 2019-10-11 | 2021-10-01 | 河北腾飞太行井业有限公司 | Combined type well drilling method |
| CN114042615A (en) * | 2021-11-22 | 2022-02-15 | 重庆市能源投资集团科技有限责任公司 | Ultrasonic generator based on direct-current power supply |
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Application publication date: 20170301 |