CN209398403U - A kind of double wave vibrating oil extractor - Google Patents
A kind of double wave vibrating oil extractor Download PDFInfo
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- CN209398403U CN209398403U CN201820023405.0U CN201820023405U CN209398403U CN 209398403 U CN209398403 U CN 209398403U CN 201820023405 U CN201820023405 U CN 201820023405U CN 209398403 U CN209398403 U CN 209398403U
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- rotation shake
- frequency rotation
- shake device
- screen casing
- double wave
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Abstract
A kind of double wave vibrating oil extractor, including outer loop, interior loop, reflex spool, high frequency rotation shake device, low frequency rotation shake device and screen casing, the upper end of the outer loop and the oil pipe of production tree connect, and interior loop is slidably mounted in outer loop, and screen casing is fixed on the bottom of interior loop；Reflex spool is set in the inner hole of outer loop, interior loop and screen casing, and the top of reflex spool is fixedly connected on oil pipe, part installation high frequency rotation shake device and low frequency rotation shake device of the rifling axle position in screen casing inner hole.It is installed on underground, has the function of sound wave and infrasonic double wave, be suitble to nearly well with de-plugging and acts on the rheological characteristic of entire oil reservoir improvement crude oil, grease two-phase interface tension is reduced, it is various that plugging removal and stimulation prevention can be played the role of.
Description
Technical field
The utility model relates to physical method oil production equipment fields, and in particular to a kind of double wave vibrating oil extractor.
Background technique
During oil exploitation, its percolation ability is needed to be improved for low permeability oil field, and development of low-permeability oil reservoir is
One global problem, generally existing note is not into the technical bottleneck that can not adopted.Since fracturing reform measure is at high cost, validity period
It is short, especially, for hyposmosis (or extra-low permeability) rate agent for improving oilfield recovery, it there is no effective and feasible method and dress at present
It sets.
On the other hand, in oil recovery process, temperature official post wax, asphalitine, salinity crystal of the nearly well with borehole (naked eye) mouth
Body is split out, and be easy to cause blocking, directly affects the yield recovered the oil.Clean-out service only solves blocking in pit shaft, and nearly well is with big gun
Blocking can not release in eye (naked eye) mouth pore channel, and continually well-flushing is not only increased expenditure, and directly affects oil production.It is existing
Some single one physical sound wave deblocking tool operating distance < 1m are confined to the nearly well band de-plugging of medium to high permeable oil reservoir and act on, so not
It is the reliable apparatus for acting on formation stimulation.It is the task of top priority that research and development, which act on the underground increasing device of entire oil reservoir, thus.
Summary of the invention
In view of above situation, in order to solve the problems, such as that above-mentioned technology exists, the utility model proposes a kind of vibrations of double wave to adopt
Oily device, does not consume electric energy, just with the energy of pumping unit frequently moved up and down, the volume increase of Lai Shixian de-plugging of well.
A kind of double wave vibrating oil extractor, including outer loop, interior loop, reflex spool, high frequency rotation shake device, low frequency rotation shake device with
And screen casing, the upper end of the outer loop and the oil pipe of production tree connect, interior loop is slidably mounted in outer loop, and screen casing is solid
It is scheduled on the bottom of interior loop；Reflex spool is set in the inner hole of outer loop, interior loop and screen casing, and the top of reflex spool is fixed
It is connected on oil pipe, part installation high frequency rotation shake device and low frequency rotation shake device of the rifling axle position in screen casing inner hole.
In the double wave vibrating oil extractor according to the utility model embodiment, it is preferable that the oil pipe bottom is equipped with variable diameter
Head, outer loop, which is connected through a screw thread, to be fixed in path changing head.
In the double wave vibrating oil extractor according to the utility model embodiment, it is preferable that the diameter of the screen casing is greater than interior
The diameter of loop, screen casing, which is connected through a screw thread, to be fixed on interior loop.
In the double wave vibrating oil extractor according to the utility model embodiment, it is preferable that the high frequency rotation shake device is set to low
The top of frequency rotation shake device.
In the double wave vibrating oil extractor according to the utility model embodiment, it is preferable that the high frequency rotation shake device and low frequency
Rotation shake device respectively includes wheel hub, front shroud, back shroud and tone whistle generator, and front shroud and back shroud are fixed on wheel hub, tone whistle
Generator is fixed in the inner space that front shroud, back shroud and wheel hub collectively form, and the inner space further includes guided wave mouth；
Wherein, the tone whistle generator of high frequency rotation shake device is infrasound band tone whistle generator, and the tone whistle generator of low frequency rotation shake device is sound wave
Band tone whistle generator.
In the double wave vibrating oil extractor according to the utility model embodiment, it is preferable that the tone whistle generator is by several
The tone whistle impeller of a chamfered shape is equidistantly positioned along axial direction.Agitation rotation occurs when work becomes sound wave and infrasound,
Wheel is shaken in the rotation of upper and lower different frequency, collects screen casing and portals, is transmitted to nearly well band or oil reservoir deep.
In the double wave vibrating oil extractor according to the utility model embodiment, it is preferable that the tone whistle of the tone whistle generator
Impeller includes blade and leaf slot.
Take the utility model proposes technology after, according to the double wave vibrating oil extractor of the utility model embodiment, peace
Loaded on underground, have the function of sound wave and infrasonic double wave, be suitble to nearly well with de-plugging and act on entire oil reservoir improvement crude oil
Rheological characteristic reduces grease two-phase interface tension, and it is various can to play the role of plugging removal and stimulation prevention.As a kind of plugging removal and stimulation
Difunctional oil recovery technique, rather than the single breaking block treatment of oil-water well, especially at present for low miserable (or extra-low permeability) rate thoroughly
In the case of oilfield stimulation there is no feasible effective ways, de-plugging can be played simultaneously and increases production various effects.
Detailed description of the invention
Fig. 1 shows double wave vibrating oil extractor schematic diagram according to the present utility model；
Fig. 2 shows high frequencies to revolve the installation diagram of shake device and low frequency rotation shake device on reflex spool；
Fig. 3 is rotation shake device (high frequency rotation shake device and low frequency rotation shake device) structure semi-cutaway；
Fig. 4 is rotation shake device (high frequency rotation shake device and low frequency rotation shake device) radial partial sectional view.
Specific embodiment
Each preferred embodiment of the utility model is described below with reference to accompanying drawings.It provides referring to attached
The description of figure, to help the understanding to the example embodiment of the utility model as defined by appended claims and their equivalents.
It includes the various details for helping to understand, but they can only be counted as illustratively.Therefore, those skilled in the art will
It recognizes, embodiment described herein can be made various changes and modifications, without departing from the scope of the utility model and essence
Mind.Moreover, in order to keep specification more clear succinct, by omission pair it is well known that the detailed description of function and construction.
As depicted in figs. 1 and 2, a kind of double wave vibrating oil extractor, including outer loop 11, interior loop 12, reflex spool 13, height
Frequency rotation shake device 21, low frequency rotation shake device 22 and screen casing 3, the upper end of the outer loop 11 and the oil pipe 90 of production tree connect, interior work
Set 12 is slidably mounted in outer loop 11, and screen casing 3 is fixed on the bottom of interior loop 12；Reflex spool 13 is set to outer loop
11, in the inner hole of interior loop 12 and screen casing 3, the top of reflex spool 13 is fixedly connected on oil pipe 90, and reflex spool 13 is located at
Part installation high frequency rotation shake device 21 and low frequency rotation shake device 22 in 3 inner hole of screen casing.
90 bottom of oil pipe is equipped with path changing head 91, and outer loop 11, which is connected through a screw thread, to be fixed in path changing head 91.
The diameter of the screen casing 3 is greater than the diameter of interior loop 12, and screen casing 3, which is connected through a screw thread, to be fixed on interior loop 12.
The high frequency rotation shake device 21 is set to the top of low frequency rotation shake device 22.
As shown in Figure 3 and Figure 4, high frequency rotation shake device 21 and low frequency rotation shake device 22 respectively include wheel hub 41, front shroud 42,
Back shroud 43 and tone whistle generator 44, front shroud 42 and back shroud 43 are fixed on wheel hub 41, before tone whistle generator 44 is fixed on
In the inner space that cover board 42, back shroud 43 and wheel hub 41 collectively form, the inner space further includes guided wave mouth 45；Wherein,
The tone whistle generator 44 of high frequency rotation shake device 21 is infrasound band tone whistle generator, and the tone whistle generator 44 of low frequency rotation shake device 22 is sound
Wavestrip tone whistle generator.
The tone whistle generator 44 is equidistantly positioned by the tone whistle impeller of several chamfered shapes along axial direction.The sound
The tone whistle impeller of whistle generator 44 includes blade 441 and leaf slot 442.Agitation rotation occurs when work becomes sound wave and infrasound,
Wheel is shaken in the rotation of upper and lower different frequency, collects screen casing and portals, is transmitted to nearly well band or oil reservoir deep.
According to the double wave vibrating oil extractor of the application, it is installed on underground, has the function of sound wave and infrasonic double wave, is suitble to
Nearly well is with de-plugging and acts on entire oil reservoir and improves the rheological characteristic of crude oil, reduces grease two-phase interface tension, can play de-plugging
Volume increase prevents various effects.
Infrasound and sound wave are the mechanical waves of two kinds of different characteristics, and according to the principle of stacking of wave, two waves are still kept after meeting
Originally motion state is not interfere with each other, and has independence, and when separation all keeps its original characteristic, is propagated along original direction, without mutual
Interference.100Hz acoustic attenuation is big, transmission range is nearly (< 1m), is suitable near wellbore zone pollutant de-plugging processing；And 0.1Hz infrasonic sound
Wave attenuation is small, propagation distance is remote (> 50 ∽ 100m), may act on oil reservoir, improves rheological characteristic of crude oil, makes two phase boundary of grease in oil reservoir
Face tension reduces, and improves oil recovery.
The double wave vibrating oil extractor of the application, as a kind of difunctional oil recovery technique of plugging removal and stimulation, rather than oil-water well list
One breaking block treatment especially there is no feasible effective ways situation for low miserable (or extra-low permeability) rate oilfield stimulation thoroughly at present
Under, de-plugging can be played simultaneously and increases production various effects.
The double wave vibrating oil extractor of the application causes about 90 oil pipe to be wriggled using the up-down stroke of oil recovery kowtowing machine
Kinetic energy be converted into mechanical wave, that is, be converted to infrasound harmony waveshape.About 90 oil pipe, which is wriggled, drives reflex spool 13 to move,
And then high frequency rotation shake device 21 and low frequency rotation shake device 22 have been driven, generate sound wave or infrasound.The adjustment of sound wave or infrasonic sound wave frequency rate
It can be by adjusting the screw pitch of reflex spool 13 and the tone whistle generator 44 of adjustment high frequency rotation shake device 21 or low frequency rotation shake device 22
And the quantity of blade 441 carries out.
Sound wave plays the role of polluting the tamper de-plugging of solid phase grain, infrasound transmission distance in the nearly well in shaft bottom band radius < 1m
From remote characteristic, radius can be transmitted to 50 ∽ 100m distances for different permeability oil reservoirs, prevention is played and blocks again, dredge oil stream
Channel improve rheological characteristic of crude oil, and reduce grease two-phase interface tension effect, while not by formation temperature, pressure, etc. factors
It influences.Increase production suitable for hyposmosis (extra-low permeability) rate oil reservoir producing well, discarded oil well can be made again fuel-displaced.
Mechanical wave converts sound wave group, acts on underground, so that it is involved borehole (naked eye) oral pore road in nearly well band 1m radius solid
Body grain tamper releases blocking, while converting infrasound group and importing oil reservoir, since long transmission distance is (reachable according to permeability
50 ∽ 100m) improve rheological characteristic of crude oil in affected area, grease two-phase interface tension is reduced, effect of increasing production is reached.
The double wave vibrating oil extractor of the application, it is real using the periodic flexible deformation of tubing string only with the mode for borrowing power
The pulsed in existing period moves back and forth, and converts wave energy amount for the Impact energy of internal system, generates oscillator field, be not required to use
Electricity.
The double wave vibrating oil extractor of the application, is not influenced by any production procedure, can be by as long as kowtowing machine operates
According to the screw pitch of process requirements design reflex spool, that is, generate rotation shake frequency.So its adaptability is very extensive, up and down reciprocatingly double groups
Shake leaf while effect under, be more suitable for hyposmosis (extra-low permeability) oil reservoir or flowing heavy oil wells, not by aqueous air content how much
It influences.
The double wave vibrating oil extractor of the application is moved back and forth using the periodically pulsing formula of tubing string, and applied vibration recovers the oil
Check valve built in device can generate piston effect (i.e. self-excitation wave principle) to stratum, make still current of liquid start to flow, make to block
Particulate matter is detached from oil duct, so that nearly well band oil duct be made to dredge, oil stream increases, and when pumping unit up-down stroke, is summarized according to actual measurement
Oil pipe wriggling (amount) out is distance, at least every km 27cm.Up and down with the mechanical wave of fright surrounding, involve in pipe.It is formed
Ring-type (2 meters of depth) space pressure, liquid vibrated by upper and lower eddy flow, i.e. bispin vibration wave.
The special construction of double wave vibrating oil extractor ensure that the top sound wave group tranmitting frequency that it is converted to is 50 ∽ 80Hz
The multifrequency wavestrip that infrasound group tranmitting frequency in lower part is 0.1 ∽ 0.2Hz is transmitted, the intrinsic frequency 7.8Hz that the earth is completely covered is multiple
Frequency band, oil reservoir resonance can be caused by importing the multifrequency wavestrip of oil reservoir and oil reservoir intrinsic frequency band, and vibration is formed in oil reservoir region
Physical field realizes oil recovery effect.
The up and down motion bring oil column of pumping unit extends energy, converts it into spiral and spurts energy, flows through rifling
Pipeline makes oil be able to ascend power-assisted, and the self-spray state of generation is superimposed with pumping unit draft, expands extracted amount.The eddy flow of formation
Pool depositing gravel bottom solves oil-piping clogging.Individually mechanical shock is difficult to solve at present.
The technical equipment such as fiting chemical agent can increase production 2 ∽, 10 times of yield, can be common to all kinds of oil wells, because being mould
Blocking structure, can be practical according to different production, to adjust the position of each functional module.
The device uses complete 316 stainless steel material, anticorrosion, non-magnetic, indeformable, and the service life is more than pumping pipelines.Overall length
About two meters of degree is selected according to the diameter of oil pipe.
The utility model is described in detail above, specific case used herein is to the principles of the present invention
And embodiment is expounded, the method and its core of the above embodiments are only used to help understand the utility model
Thought；At the same time, for those skilled in the art, based on the idea of the present invention, in specific embodiment and application
There will be changes in range, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Through the above description of the embodiments, those skilled in the art can be understood that the utility model can
Implement.Certainly, situation listed above is merely illustrative, and the utility model is not limited to that.Those skilled in the art should
Understand, according to other deformations of technical solutions of the utility model or simplifies, the utility model can be suitably applied to, and
It should include in the scope of the utility model.
Claims (7)
1. a kind of double wave vibrating oil extractor, including outer loop (11), interior loop (12), reflex spool (13), high frequency rotation shake device
(21), low frequency rotation shake device (22) and screen casing (3), the upper end of the outer loop (11) and the oil pipe (90) of production tree connect, interior
Loop (12) is slidably mounted in outer loop (11), and screen casing (3) is fixed on the bottom of interior loop (12)；Reflex spool (13)
It is set in the inner hole of outer loop (11), interior loop (12) and screen casing (3), the top of reflex spool (13) is fixedly connected on oil pipe
(90) on, reflex spool (13) is located at the installation high frequency rotation shake of the part in screen casing (3) inner hole device (21) and low frequency rotation shake device (22).
2. a kind of double wave vibrating oil extractor according to claim 1, which is characterized in that oil pipe (90) bottom is equipped with path changing head
(91), outer loop (11), which is connected through a screw thread, is fixed on path changing head (91).
3. a kind of double wave vibrating oil extractor according to claim 1, which is characterized in that the diameter of the screen casing (3) is greater than
The diameter of interior loop (12), screen casing (3), which is connected through a screw thread, to be fixed on interior loop (12).
4. a kind of double wave vibrating oil extractor according to claim 1, which is characterized in that high frequency rotation shake device (21) is set to
The top of low frequency rotation shake device (22).
5. a kind of double wave vibrating oil extractor according to claim 1, which is characterized in that the high frequency rotation shake is device (21) and low
Frequency rotation shake device (22) respectively includes wheel hub (41), front shroud (42), back shroud (43) and tone whistle generator (44), front shroud (42)
It is fixed on wheel hub (41) with back shroud (43), tone whistle generator (44) is fixed on front shroud (42), back shroud (43) and wheel hub
(41) in the inner space collectively formed, the inner space further includes guided wave mouth (45)；Wherein, the sound of high frequency rotation shake device (21)
Whistle generator (44) is infrasound band tone whistle generator, and the tone whistle generator (44) of low frequency rotation shake device (22) is that sound wave band tone whistle is sent out
Raw device.
6. a kind of double wave vibrating oil extractor according to claim 5, which is characterized in that the tone whistle generator (44) if by
The tone whistle impeller of dry chamfered shape is equidistantly positioned along axial direction.
7. a kind of double wave vibrating oil extractor according to claim 6, which is characterized in that the sound of the tone whistle generator (44)
Whistle impeller includes blade (441) and leaf slot (442).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023405.0U CN209398403U (en) | 2018-01-08 | 2018-01-08 | A kind of double wave vibrating oil extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023405.0U CN209398403U (en) | 2018-01-08 | 2018-01-08 | A kind of double wave vibrating oil extractor |
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| Publication Number | Publication Date |
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| CN209398403U true CN209398403U (en) | 2019-09-17 |
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| CN201820023405.0U Expired - Fee Related CN209398403U (en) | 2018-01-08 | 2018-01-08 | A kind of double wave vibrating oil extractor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954444A (en) * | 2019-11-18 | 2020-04-03 | 中国石油大学(华东) | Device and method for testing surface tension of high-temperature and high-pressure liquid under action of artificial seismic waves |
| CN112627781A (en) * | 2019-10-08 | 2021-04-09 | 中国石油化工股份有限公司 | Deep oil and gas reservoir grading pumping-assisting efficient lifting method and pipe column |
-
2018
- 2018-01-08 CN CN201820023405.0U patent/CN209398403U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627781A (en) * | 2019-10-08 | 2021-04-09 | 中国石油化工股份有限公司 | Deep oil and gas reservoir grading pumping-assisting efficient lifting method and pipe column |
| CN110954444A (en) * | 2019-11-18 | 2020-04-03 | 中国石油大学(华东) | Device and method for testing surface tension of high-temperature and high-pressure liquid under action of artificial seismic waves |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190917 Termination date: 20210108 |