CN104265223B - Mechanical blocking removal device - Google Patents
Mechanical blocking removal device Download PDFInfo
- Publication number
- CN104265223B CN104265223B CN201410498367.0A CN201410498367A CN104265223B CN 104265223 B CN104265223 B CN 104265223B CN 201410498367 A CN201410498367 A CN 201410498367A CN 104265223 B CN104265223 B CN 104265223B
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- Prior art keywords
- main body
- work
- relief device
- open
- wall
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- 230000000903 blocking effect Effects 0.000 title abstract description 9
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims description 19
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 45
- 239000012530 fluid Substances 0.000 description 24
- 239000003129 oil well Substances 0.000 description 20
- 239000010779 crude oil Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/005—Fishing for or freeing objects in boreholes or wells using vibrating or oscillating means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/107—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
- E21B31/113—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars hydraulically-operated
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a mechanical blocking removal device which comprises a longitudinal extending main body, wherein the main body is provided with an inner cavity extending in the extending direction of the main body. The main body is also provided with a main body upper end and a main body lower end which are opposite to each other. The main body upper end is sealed, and the main body lower end is provided with a lower opening communicated with the inner cavity. A through hole leading to the inner cavity is arranged on the wall of the main body. The mechanical blocking removal device further comprises a check valve, a vibrating reed and a packer part. The check valve is arranged below the through hole and connected with the main body and used for making liquid to enter the inner cavity and preventing the liquid from being exhausted from the inner cavity. The vibrating reed is arranged on the outer wall of the main body, and the liquid can impact the vibrating reed when being drained from the through hole. The packer part is fixedly sleeved outside the main body and located below the through hole and the vibrating reed. The outer edge surface of the packer part can cling to the inner wall of a sleeve in a sealed way to separate the annular space between the sleeve and the mechanical blocking removal device in a sealed way. The mechanical blocking removal device can solve the problem of blocking at the communication position of the sleeve and an oil layer.
Description
Technical field
The application is related to de-plugging of well field, more particularly, to a kind of mechanical block-relief device.
Background technology
Oil major storage, in the hole in rock stratum, forms oil reservoirs.In oil recovery process, need by oil extraction pipeline deeply
To in oil reservoirs, the oil of storage in oil reservoirs is exploited.
Generally oil exploitation is carried out using producing well as shown in Figure 1 at present.As shown in figure 1, described producing well includes covering
Pipe 101, oil pipe 102, sucker rod 103, oil jacket packer 104, oil well pump.Described oil well pump includes connected pipes 102 lower end
Pump barrel 105 and the plunger 106 being located in pump barrel 105, described plunger 106 connects described sucker rod 103.Described sucker rod 103
When being pumped by oil pumper drive, described plunger 106 is equally carried out under the drive of described sucker rod 103 up and down
Move back and forth, that is, oil well pump carries out upstroke, down stroke.Annular space between described sleeve pipe 101 and oil pipe 102 passes through described oil jacket
Packer 104 sealing segmentation.Described sleeve pipe 101 is connected with oil reservoir 108 by connectivity part 107, the crude oil in described oil reservoir 108 according to
Can be with sleeve pipe 101 by the hole of described connectivity part 107 by osmosiss.Oil pumping pump circulation carry out upstroke, under
In stroke procedure, the crude oil in oil reservoir 108 passes through connectivity part 107 and enters in pump barrel 105 through sleeve pipe 101, and then enters oil pipe 102
Interior until ground.
After described producing well carries out oil exploitation for a long time, need often to take maintainability operation or other measures, these are arranged
Some solid particles etc. are brought in producing well described in Shi Huixiang.Described solid particle can be deposited on described sleeve pipe 101 and described oil
The hole of described connectivity part 107 is diminished or even blocks by the connectivity part 107 of layer 108, takes during crude oil flow inside it meanwhile
The particulate matter of band, colloid, Colophonium etc. are understood the less pore plugging in aperture of described connectivity part 107 in transition process or are incited somebody to action
The hole of described connectivity part 107 reduces.Either described solid particle or particulate matter, colloid, Colophonium all can hinder crude oil
In the flowing of described connectivity part 107 and may proceed to deposit.With the accumulation of above-mentioned tamper, can shape in described connectivity part 107
Becoming blocking, and then the permeability of the described connectivity part 107 of reduction, finally having a strong impact on the oil production rate of producing well, so needing one badly
Plant the device that can solve the problem that the blockage problem of connectivity part between sleeve pipe and oil reservoir.
Content of the invention
In view of prior art problem, the application provides a kind of mechanical block-relief device, can solve the problem that between sleeve pipe and oil reservoir
The blockage problem of connectivity part.
The application provides a kind of mechanical block-relief device, including：
The main body that lengthwise extends, it is provided with the inner chamber extending along the direction that described main body lengthwise extends；Described main body has
Back to main body upper end and main body lower end；Described main body upper end closed, described main body lower end is provided with and is communicated with described inner chamber
Under shed；The wall of described main body is provided with the open-work being passed through described inner chamber；
The check valve being connected below described open-work and with main body, it is used for making liquid enter described interior intracavity and prevent
Only liquid is discharged by described interior intracavity；
Be arranged on the vibrating reed on the outer wall of described main body, when liquid is discharged by described open-work liquid can impact described in shake
Moving plate；
Fixation is set in the packer accessory outside described main body, and it is located at the lower section of described open-work and described vibrating reed, described
The outer edge surface energy of packer accessory is fitted with will be close for the annular space between sleeve pipe and described mechanical block-relief device with described sleeve pipe inner wall sealing
Envelope separates.
Preferably, described interior intracavity be provided with can by described open-work closure closure piston, the outer wall of described closure piston with
The wall palette of described inner chamber；The distance in the direction extending along described main body between described open-work and described inner chamber top surface is more than
The length in the direction extending along described main body equal to described closure piston.
Preferably, the wall of described inner chamber is provided with the spacing ring below described open-work, and described interior intracavity is provided with can be by
First elastomeric element of the described closure downward contact of piston extremely described spacing ring.
Preferably, described check valve includes ball seat and valve ball；Described ball seat is located at described interior intracavity and is located at described
Between hole and described under shed, it is fixedly connected with the wall of described inner chamber；The direction that described ball seat extends along described main body lengthwise
Open up pass through aperture, described valve ball is located at described interior intracavity and can block described through hole.
Preferably, also to include being set in described main body outer and be rotatably connected with described main body for described mechanical block-relief device
Tumbler, described tumbler is provided with the through hole including liquid inlet and liquid outlet, the direction of described through hole outlet with
The angle of the radial direction of described tumbler cross section is acute angle；When described tumbler rotates, described liquid inlet with described
Hole interval communicates；When liquid is discharged by described liquid outlet, liquid can impact described vibrating reed.
Preferably, it is provided with nozzle in described through hole, the minimum diameter of described nozzle is less than the internal diameter of described open-work.
Preferably, the quantity of described open-work is at least two, and it is uniformly distributed in the circumference of described main body；Described through hole
Quantity is at least four, and it is uniformly distributed in the circumference of described tumbler；Described vibrating reed quantity is at least two and uniformly divides
It is distributed in the circumference of described main body.
Preferably, described main body fixed sleeves are provided with around part, and the described inwall around part is provided with first step；Described enclose
It is provided with the second elastomeric element, sealing block between the inwall and the outer wall of described main body of part；Described second elastomeric element one end top
To described first step, its sealing block described in other end contact；Described sealing block by described around part and described body outer wall it
Between sealing and tumbler described in contact.
Preferably, described main body includes upper valve body and lower valve body；Described fixation around part is set in described upper valve body
Described upper valve body is connected with described lower valve body by lower end with outside the upper end of described lower valve body；
Described main body upper end is the upper end of described upper valve body, and described open-work is arranged on the wall of described upper valve body, described shakes
It is external that moving plate is arranged on described upper valve；Described main body lower end is the lower end of described lower valve body, and described ball seat is located at described lower valve body
Interior, it is external that described packer accessory fixation is set in described lower valve.
Preferably, the inwall of described main body is provided with the second step above described ball seat, described second step and institute
State and between ball seat, be provided with the 3rd elastomeric element, second step described in described 3rd elastomeric element one end contact, its other end contact
Described through hole is blocked by described valve ball；The outer wall of described lower valve body is provided with the 3rd step and baffle ring, and described packer accessory is located at
Between described 3rd step and described baffle ring；The upper end of described upper valve body is connected with top connection.
Mechanical block-relief device provided herein when oil well pump carries out upstroke, mechanical block-relief provided herein
Device moves upwards, and then the negative pressure formed below of the described mechanical block-relief device in sleeve pipe, and described negative pressure is to sleeve pipe and oil
The tamper of the connectivity part of layer forms certain swabbing action.Carry out down stroke in described oil well pump.Under described oil well pump is carried out
During stroke, described mechanical block-relief device moves downward, and then the pressure of the lower section fluid of described mechanical block-relief device in sleeve pipe
Strong increase, described mechanical block-relief device disappears for the swabbing action of described tamper.With oil well pump upstroke, down stroke
Alternately, the swabbing action that described tamper is continually changing, described tamper can slowly loosen and enter oil until departing from
In liquid, and then form a de-plugging.Meanwhile, with oil well pump upstroke, down stroke alternately, the fluid of described interior intracavity
Can be sprayed to described vibrating reed by described open-work when described inner chamber runs up to a certain amount of, and then cause described vibrating reed vibration,
The vibration wave being formed during described vibrating reed vibration acts on during described tamper and comes off it is also possible to make tamper slowly vibrate, and enters
And form secondary de-plugging.So, in mechanical block-relief device provided herein for a de-plugging of tamper and secondary solution
Under stifled effect, mechanical block-relief device provided herein can be asked with the blocking of connectivity part between effectively solving sleeve pipe and oil reservoir
Topic.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those skilled in the art, without having to pay creative labor, can also root
Obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is prior art producing well exploitation oil schematic diagram；
Fig. 2 is the mechanical block-relief device and screen casing, oil well pump, oil pipe, sleeve pipe phase that a kind of embodiment of the application is provided
The producing well structural representation connecting and composing；
Fig. 3 is the mechanical block-relief apparatus structure schematic diagram that a kind of embodiment of the application is provided；
Fig. 4 is the tumbler cross-sectional view that one embodiment of the application is provided.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, real below in conjunction with the application
Apply the accompanying drawing in example, the enforcement it is clear that described is clearly and completely described to the technical scheme in the embodiment of the present application
Example is only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained on the premise of not making creative work, all should belong to the present invention and protect
The scope of shield.
Refer to Fig. 3, a kind of mechanical block-relief device of embodiment offer of the application, it is applied in sleeve pipe, this machine
Tool plug-removing device includes：The main body 8 that lengthwise extends, it is provided with the inner chamber 13 extending along the direction that described main body 8 lengthwise extends；Institute
State main body 8 have back to main body upper end and main body lower end；Described main body upper end closed, described main body lower end be provided with described
The under shed 17 that inner chamber 13 communicates；The wall of described main body 8 is provided with the open-work 11 being passed through described inner chamber 13；Located at described open-work 11
Lower section and the check valve being connected with main body 8, it is used for making liquid enter in described inner chamber 13 and prevent liquid by described inner chamber
Discharge in 13；It is arranged on the vibrating reed 31 on the outer wall of described main body 8, liquid can impact when liquid is discharged by described open-work 11
Described vibrating reed 31；Fixation is set in the packer accessory 23 outside described main body 8, and it is located at described open-work 11 and described vibrating reed 31
Lower section, the outer edge surface energy of described packer accessory 23 and internal surface of sleeve pipe palette are with by between sleeve pipe and described mechanical block-relief device
Annular space sealed separation.
Refer to Fig. 2, according to the mechanical block-relief shown in Fig. 2 being provided oil pipe 2, oil well pump, screen casing 6, present embodiment
Device 7 is sequentially connected composition pumping pipe string, is provided with the sucker rod 3 connecting described oil well pump in shown oil pipe 2.Described pumping pipe string
In, described oil pipe 2 lower end connects the pump barrel 4 of described oil well pump, and the lower end of described pump barrel 4 connects described screen casing 6, described screen casing 6
Lower end the mechanical block-relief device 7 that provided of present embodiment is provided.Described pumping pipe string is arranged in sleeve pipe 1, so with set
Pipe 1 constitutes producing well, the described packer accessory 23 of described mechanical block-relief device 7 by described mechanical block-relief device 7 and described sleeve pipe 1 it
Between annular space sealed separation.
When being recovered the oil by the described producing well that the mechanical block-relief device 7 being provided by present embodiment is constituted, in oil pumper
Drive under, sucker rod drive oil well pump plunger 5 move upwards, described oil well pump carries out upstroke.Described oil well pump is carried out
During upstroke, described oil pipe 2 can produce certain elastic shrinkage, upwards in described oil in the presence of sucker rod and internal liquid
Under the drive that tubular elastic shrinks, the mechanical block-relief device 7 that present embodiment is provided moves upwards, because described packer accessory 23 will
Annular space sealed separation between described mechanical block-relief device 7 and described sleeve pipe 1, and described inner chamber 13 is in by described check valve
In sealed condition, and then described sleeve pipe 1, the pressure of the lower section of described mechanical block-relief device 7 can reduce and form negative pressure, described negative
Pressure forms certain swabbing action to the tamper of sleeve pipe 1 and the connectivity part of oil reservoir.Sucker rod drives described plunger 5 to move downward
When, described oil well pump carries out down stroke.When described oil well pump carries out down stroke, the part of described oil pipe 2 elastic shrinkage can be restored
And then drive described mechanical block-relief device 7 to move downward.When described mechanical block-relief device 7 moves downward, described in sleeve pipe 1
The pressure of the lower section fluid of mechanical block-relief device 7 increases, and when fluid pressure reaches and opens described check valve, fluid enters into
Described inner chamber 13.Now, described mechanical block-relief device 7 disappears for the swabbing action of described tamper, rushes with oil well pump
Journey, down stroke alternately, the swabbing action that described tamper is continually changing, described tamper can slowly loosen until
Depart from and enter in fluid, and then form a de-plugging.
Refer to Fig. 2, Fig. 3, Fig. 4, with oil well pump upstroke, down stroke alternately, oil in described inner chamber 13
Liquid can be flowed out by described open-work 11 when described inner chamber 13 runs up to a certain amount of and spray to described vibrating reed 31, and then causes institute
State vibrating reed 31 to vibrate, when the vibration wave being formed acts on described tamper, tamper can be made during described vibrating reed 31 vibration
Slowly vibration comes off, and then forms secondary de-plugging.So, in the work of mechanical block-relief device 7 that present embodiment is provided pair
Under a de-plugging and secondary de-plugging effect of tamper, the mechanical block-relief device 7 that present embodiment is provided can effectively solve
Certainly between sleeve pipe 1 and oil reservoir connectivity part blockage problem.
Meanwhile, wax component would generally be contained in crude oil, described waxiness can attract each other between becoming, and formation wax is brilliant, and wax is brilliant
Between continuing with forming the strong network structure of tack, described cancellated wax crystalline substance not only hinders crude oil flow in crude oil
And easily it is attached to tube inner wall so that pipe aperture constantly reduces, affect oil well production when serious.Due to present embodiment
The mechanical block-relief device 7 being provided can form vibration wave, and described vibration wave effect of vibration produces stirring, divides in waxy crude oil
The effect such as dissipate, impact, crushing so that oil component and wax crystalline substance are uniformly distributed, thus decreasing what wax crystalline substance be combined with each other in crude oil
Probability；And, violent vibration and the mechanics effect that produces makes to produce shear stress due to continuous vibration between wax crystalline substance, described
Shear stress can weaken the adhesion between wax crystalline substance, and then leads to the brilliant network structure of wax to be destroyed, so applying this embodiment party
The mechanical block-relief device 7 that formula is provided can also effective wax control.
Described main body 8 extends for lengthwise, and it is overall can be the tubulose of one end closing.Described main body 8 is provided with along described master
The inner chamber 13 that the direction that body 8 lengthwise extends extends.Described main body 8 have back to described main body upper end and described main body under
End, described main body upper end closed, described main body lower end is provided with the described under shed 17 communicating with described inner chamber 13, described main body 8
Wall be provided with the described open-work 11 being passed through described inner chamber, by this kind of setting, fluid can be entered by described under shed 17
And described open-work 11 discharges fluid.
Described main body 8 can be arranged to upper valve body and lower valve body two parts.Described lower valve body is connected to described upper valve body
Lower section.Described upper valve body and described lower valve body entirety can be all tubulose.Described main body upper end is the upper end of described upper valve body
10, the upper end 10 of described upper valve body can be threaded connection closeouts 9 and close the upper end 10 of described upper valve body, described envelope
The upper end 10 of described upper valve body is covered by upper end 10 inside that blocking piece 9 can be connected to described upper valve body it is also possible to be arranged to lid
Live to close the upper end 10 of described upper valve body.The upper end 10 of described upper valve body is connected with top connection 35, by described top connection 35
Realize the connection of described mechanical block-relief device 7 and described screen casing 6.Described open-work 11 is arranged on the wall of described upper valve body, its number
Amount could be arranged at least two and is uniformly distributed in the circumference of described upper valve body, that is, be uniformly distributed in the circumference of described main body.
Described vibrating reed 31 can be fixedly connected that can also to be rotatably connected on described upper valve external.The lower end 12 of described upper valve body connects institute
State the upper end 14 of lower valve body.Described main body lower end is the lower end 16 of described lower valve body.Described under shed 17 is located at described lower valve body
Lower end 16.It is external that described packer accessory 23 fixation is set in described lower valve.
Further, it is also provided with the closure piston 33 that described open-work 11 can be blocked, described envelope in described inner chamber 13
The outer wall of stifled piston 33 and the wall palette of described inner chamber 13.Described closure location comparison in described inner chamber 13 for the piston 33
Flexibly, it can be arranged on described ball seat 18.Indulge along described main body between described open-work 11 and the top surface of described inner chamber 13
The long direction extending away from 23 length from the direction extending along described main body 8 lengthwise not less than described closure piston 33.
When described inner chamber 13 enters fluid, get more and more with the amount that fluid enters, fluid can be by described closure piston 33 jack-up upwards.
With closure piston 33 described in fluid jack-up until described closure piston 33 moves to the top of described open-work 11, now fluid can be from
Described open-work 11 flows out, because the presence of described closure piston 33 is so that fluid has certain pushing away when entering described open-work 11
Power is it is ensured that described fluid enters the flow velocity of described open-work 11, and then forms the fluid of injection.In practice, described interior
Spacing ring 32 positioned at described open-work 11 lower section can be provided with the wall in chamber 13, be provided with described inner chamber 13 and described closure can be lived
Fill in 33 downward contacts to the first elastomeric element 34 of described spacing ring 32.Described first elastomeric element 34 can include spring.Institute
State closure piston 33 by described first elastomeric element 34 contact to spacing by described spacing ring 32 when at described spacing ring 32, now
Described closure piston 33 can be arranged block described open-work 11.
Described check valve is connected below described open-work and with main body, and it is used for making liquid enter described interior intracavity simultaneously
Prevent liquid from being discharged by described interior intracavity.Due to existing one-way valve structures comparative maturity, the check valve of present embodiment can wrap
Include ball seat and valve ball, certainly described valve ball can also be substituted for inversion type round platform etc., and the application is not limited.Described ball seat
18 are located in described inner chamber 13 and are located between described open-work 11 and described under shed 17.Described ball seat 18 and described inner chamber 13
Wall is fixedly connected, described be fixedly connected can include threaded.The direction that described ball seat 18 extends along described main body 8 lengthwise is opened
If pass through aperture, it is provided with described inner chamber 13 and can be seated at the valve ball 19 that described through hole is blocked by described through hole, by setting
Put described valve ball 19 and described through hole, can ensure to be only capable of to described interior during described mechanical block-relief device moves up and down
Chamber 13 enters fluid, and fluid cannot flow out described inner chamber 13 by described through hole.Further, described ball seat 18 is positioned at described
In lower valve body.The inwall of described lower valve body is provided with the second step 21 positioned at described ball seat 18 top, and described second step 21 can
Think at the reducing of described lower valve body inwall, at described second step 21, the inner circle radius phase of the cross section of described lower valve body
Bigger than the inner circle radius of the cross section of the described lower valve body of described second step 21 lower section.Described second step 21 and described ball seat
It is provided with the 3rd elastomeric element 20 between 18.Described 3rd elastomeric element 20 can include spring.Described 3rd elastomeric element 20 1
Second step 21 described in the contact of end, described through hole is blocked by its valve ball 19 described in other end contact.By arranging described second
Step 21, described 3rd elastomeric element 20, when described mechanical block-relief device moves downward, described valve ball 19 being capable of resilience in time
Described through hole is blocked.
Refer to Fig. 4, described mechanical block-relief device 7 also includes tumbler 27.Described tumbler 27 is overall to be could be arranged to
Cross section is the round casing shape of annulus.Described tumbler 27 is set in outside described main body 8 and is rotatably connected with described main body 8.
Described tumbler 27 is provided with through hole 28, and described through hole 28 along straight-line extension and can be uniformly distributed in week of described tumbler 27
To.Described through hole 28 includes liquid inlet 36 and liquid outlet 37.The direction of described through hole 28 outlet and described rotation
The angle of the radial direction of part 27 cross section is sharp angle α, so the flow direction of the fluid discharged by described through hole 28 outlet also can be with institute
There is the angle of sharp angle α between the radial direction stating tumbler 27 cross section.Due to the presence of described angle, fluid is through described through hole
When 28, described fluid can form certain counteracting force to the wall of described through hole 28, described rotation in the presence of this counteracting force
Part 27 can rotate around described main body 8.The plane that the plane that the axis of described through hole 28 is located can be located with described open-work 11
Coincide, or, described through hole 28 and described open-work 11 are located at same vertical height.When described tumbler 27 rotates, described
Liquid inlet 36 is communicated with described open-work 11 interval, is communicated with described open-work 11 interval by described liquid inlet 36, makes
Obtain described liquid outlet 37 interval and spray fluid to described vibrating reed 31, and then cause described vibrating reed 31 intermittent control shaking.Logical
Cross the frequency of vibration that setting tumbler can improve described vibrating reed 31.In order to improve the vibration frequency of described vibrating reed 31 further
Rate, the quantity of described through hole 28 could be arranged at least four and is uniformly distributed in the circumference of described tumbler 27.Further,
The external diameter of described main body 8 or described upper valve body is from top to bottom provided with a undergauge, i.e. limited step.Described limited step is located at institute
State the tumbler 27 top described tumbler 27 of restriction to move up.Can arrange between described tumbler 27 and described limited step
One sealing gasket 30 is will seal between described tumbler 27 and described limited step, and described sealing gasket 30 can also reduce institute
State the friction between tumbler 27 and described limited step.It is described that the described mechanical block-relief device 7 of present embodiment passes through setting
Tumbler 27, to improve the frequency of vibration of vibration wave produced by vibrating reed 31, not only further enhances secondary de-plugging effect,
Yet further enhances wax control result.
Nozzle 29 can be provided with described through hole 28 to further speed up the flow velocity of fluid, improve described in described Oil shocking
The impulsive force of vibrating reed 31.The minimum diameter of described nozzle 29 is less than described open-work internal diameter, in practice, described nozzle 29
The described open-work internal diameter that minimum diameter is less than 0.5 times.
Described main body 8 fixed sleeves are provided with around part 24, described fixation is sheathed can include threaded.Described around part
24 cross section can also be for annulus to adapt to the structures such as oil pipe, main body 8.The described inwall around part 24 is provided with first step,
Described first step be described around at the reducing of the inwall of part 24, that is, the described internal diameter around part 24 is from the bottom to top through described
During first step, internal diameter expands.Be provided between the described inwall around part 24 and the outer wall of described main body 8 second elastomeric element 25,
Sealing block 26；First step described in described second elastomeric element 25 one end contact, its sealing block 26 described in other end contact；Described
Sealing block 26 seals described around between part 24 and described main body 8 outer wall.Due to being made by described second elastomeric element 25
With tumbler 27 described in described sealing block 26 contact, prevent described tumbler 27 from moving down.Specifically, described sealing block 26 will
Described tumbler 27 contact is to described limited step, and then described tumbler 27 is limited to described limited step and described sealing
Rotated between block 26.Described second elastomeric element 25 can include spring.Further, described can fix around part 24
It is set in outside the lower end 12 of described upper valve body and the upper end 14 of described lower valve body, described upper valve body is connected with described lower valve body.
Described fixation is sheathed can include threaded.
Described vibrating reed 31 is arranged on outside described main body 8 or described tumbler 27, when liquid is discharged by described open-work 11
Liquid can impact described vibrating reed 31.Described vibrating reed 31 can be fixedly connected on the outer wall of described main body 8 it is also possible to institute
State body outer wall and rotate and connect.In practical application, described vibrating reed 31 can be welded on described main body 8 or described tumbler 27
On outer wall.Due to being to rotate annexation between described tumbler 27 and described main body 8, described vibrating reed 31 is arranged on described
Described vibrating reed 31 can be realized on tumbler 27 be connected with the rotation of described body outer wall.Described vibrating reed 31 and described master
The junction of body 8 can be arranged on the lower section that can also be arranged on described open-work 11 above described open-work 11 in vertical height,
Or, the junction of described vibrating reed 31 and described main body 8 can also be arranged on left or the right of described liquid outlet 37,
Present embodiment is not limited thereto, and only need to ensure rush when liquid is discharged by described open-work 11 or described liquid outlet 37
Hit described vibrating reed 31.When described vibrating reed 31 be fixedly installed on described main body 8 outer when, described vibrating reed 31 with described
The position in hole 11 is relatively fixed, and described tumbler 27 described main body 8 of having mercy on rotates, described liquid inlet 36 and described open-work 11 phase
When logical, liquid is flowed out and impacted to described vibrating reed 31 by described liquid outlet 37, specifically impacts to described vibrating reed 31
Surface near described main body 8 side.So, described vibrating reed 31 be fixedly installed on described main body 8 outer when, need to be at described turn
Moving part 27 rotates described vibrating reed 31 during a certain angle and could block described liquid outlet 37 and not block.When described vibration
Piece 31 be fixedly installed on described main body 8 outer when, described vibrating reed 31 can be followed described vibrating reed 31 and be rotated together, so this kind of feelings
Need under condition for described vibrating reed 31 to be set to described liquid outlet 37 always to block and do not block.The quantity of described vibrating reed 31
It is at least two panels and be uniformly distributed in the circumference of described main body 8.Taking mechanical block-relief device shown in Fig. 3 as a example, described vibrating reed 31
It is arranged on the outer wall of described main body 8, and described vibrating reed 31 is located at the upper of described open-work 11 with the junction of described main body 8
Side, the direction that described vibrating reed 31 extends along described main body 8 extends downwardly blocks (27 turns of tumbler by described liquid outlet 37
To angle shown in Fig. 3).
Described packer accessory 23 fixation is set in outside described main body 8, and it is located under described open-work 11 and described vibrating reed 31
Side, the outer edge surface energy of described packer accessory 23 and internal surface of sleeve pipe palette are with by the ring between sleeve pipe and described mechanical block-relief device
Empty sealed separation.Described packer accessory 23 material can adopt the flexible materials such as rubber, and its external diameter can be suitably larger than institute's sleeve pipe
Internal diameter.Described packer accessory 23, by the annular space sealed separation between described sleeve pipe and described mechanical block-relief device, so could be protected
Demonstrate,prove when described mechanical block-relief device moves upwards and could form negative pressure in the lower section of described mechanical block-relief device, and, described
After flowing into after vibrating reed 31 described in Oil shocking in described sleeve pipe and the annular space of described mechanical block-relief device, due to described packer accessory
23 presence, described fluid can accumulate until entering in screen casing above described packer accessory 23, and then by described oil pumping pumping
To oil pipe.In actual applications, the outer wall of described lower valve body is provided with the 3rd step 15 and baffle ring 22, described packer accessory 23
Between described 3rd step 15 and described baffle ring 22.Described 3rd step 15 can for described lower valve body outer wall from top to bottom
A undergauge at, it is used for limiting described packer accessory 23 and moves up.Described baffle ring 22 be used for limiting described packer accessory 23 to
Lower movement.
Ultimate principle, principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within the scope of protection of present invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (10)
1. a kind of mechanical block-relief device, it is applied in sleeve pipe it is characterised in that including：
The main body that lengthwise extends, it is provided with the inner chamber extending along the direction that described main body lengthwise extends；Described main body has opposite to each other
To main body upper end and main body lower end；Described main body upper end closed, described main body lower end is provided with to be communicated down with described inner chamber and opens
Mouthful；The wall of described main body is provided with the open-work being passed through described inner chamber；
The check valve being connected below described open-work and with main body, it is used for making liquid enter described interior intracavity and prevent liquid
Body is discharged by described interior intracavity；
It is arranged on the vibrating reed on the outer wall of described main body, liquid can impact described vibration when liquid is discharged by described open-work
Piece；
Fixation is set in the packer accessory outside described main body, and it is located at the lower section of described open-work and described vibrating reed, described packing
The outer edge surface energy of part is fitted with described sleeve pipe inner wall sealing to divide the annular space sealing between sleeve pipe and described mechanical block-relief device
Every.
2. mechanical block-relief device as claimed in claim 1 it is characterised in that：Described interior intracavity is provided with can be by the closure of described open-work
Closure piston, the outer wall of described closure piston and the wall palette of described inner chamber；Between described open-work and described inner chamber top surface
The distance in the direction extending along described main body is more than or equal to the length in the direction that described closure piston extends along described main body.
3. mechanical block-relief device as claimed in claim 2 it is characterised in that：The wall of described inner chamber is provided with described open-work
The spacing ring of side, described interior intracavity is provided with can be by the first elastomeric element of the described closure downward contact of piston to described spacing ring.
4. mechanical block-relief device as claimed in claim 1 it is characterised in that：Described check valve includes ball seat and valve ball；Described
Ball seat is located at described interior intracavity and is located between described open-work and described under shed, and it is fixedly connected with the wall of described inner chamber；Institute
State the direction that ball seat extends along described main body lengthwise and open up pass through aperture, described valve ball is located at described interior intracavity and can pass through described
Perforation closure.
5. mechanical block-relief device as claimed in claim 4 it is characterised in that：Described mechanical block-relief device also includes being set in described
The tumbler being rotatably connected outside main body and with described main body, described tumbler is provided with including liquid inlet and liquid outlet
Through hole, the direction of described liquid outlet is acute angle with the angle of the radial direction of described tumbler cross section；When described tumbler
During rotation, described liquid inlet is communicated with described open-work interval；When liquid is discharged by described liquid outlet, liquid can rush
Hit described vibrating reed.
6. mechanical block-relief device as claimed in claim 5 it is characterised in that：It is provided with nozzle, described nozzle is in described through hole
Little internal diameter is less than the internal diameter of described open-work.
7. mechanical block-relief device as claimed in claim 5 it is characterised in that：The quantity of described open-work is at least two, and it is uniform
It is distributed in the circumference of described main body；The quantity of described through hole is at least four, and it is uniformly distributed in the circumference of described tumbler；Institute
Stating vibrating reed quantity is at least two and the circumference that is uniformly distributed in described main body.
8. mechanical block-relief device as claimed in claim 5 it is characterised in that：Described main body fixed sleeves are provided with around part, described
Inwall around part is provided with first step；It is provided with the second elastic between the described inwall around part and the outer wall of described main body
Part, sealing block；First step described in described second elastomeric element one end contact, its sealing block described in other end contact；Described close
Envelope block is by described around sealing tumbler described in contact between part and described body outer wall.
9. mechanical block-relief device as claimed in claim 8 it is characterised in that：Described main body includes upper valve body and lower valve body；Institute
State and be set in described upper valve body and described lower valve outside the lower end of described upper valve body and the upper end of described lower valve body around part fixation
Body connects；
Described main body upper end is the upper end of described upper valve body, and described open-work is arranged on the wall of described upper valve body, described vibrating reed
It is arranged on described upper valve external；Described main body lower end is the lower end of described lower valve body, and described ball seat is located in described lower valve body, institute
Stating packer accessory fixation, to be set in described lower valve external.
10. mechanical block-relief device as claimed in claim 9 it is characterised in that：The inwall of described main body is provided with positioned at described ball seat
The second step of top, is provided with the 3rd elastomeric element, described 3rd elastomeric element one between described second step and described ball seat
Second step described in the contact of end, described through hole is blocked by its valve ball described in other end contact；Set on the outer wall of described lower valve body
There are the 3rd step and baffle ring, described packer accessory is located between described 3rd step and described baffle ring；The upper end of described upper valve body is even
It is connected to top connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498367.0A CN104265223B (en) | 2014-09-25 | 2014-09-25 | Mechanical blocking removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498367.0A CN104265223B (en) | 2014-09-25 | 2014-09-25 | Mechanical blocking removal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104265223A CN104265223A (en) | 2015-01-07 |
| CN104265223B true CN104265223B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410498367.0A Active CN104265223B (en) | 2014-09-25 | 2014-09-25 | Mechanical blocking removal device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107524419B (en) * | 2017-09-22 | 2023-07-07 | 中国石油天然气集团有限公司 | Hydraulic jar |
| CN107461167A (en) * | 2017-10-13 | 2017-12-12 | 长江大学 | A kind of underground vibrating damping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2267599C1 (en) * | 2005-02-15 | 2006-01-10 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Productive bed cleaning and conservation device |
| CN2823533Y (en) * | 2005-07-12 | 2006-10-04 | 马文廷 | Acoustic self vibration oil increasing device |
| CN2849133Y (en) * | 2005-11-04 | 2006-12-20 | 王敬东 | Servopump pulse resonant unlocking yield increasing device |
| CN200955366Y (en) * | 2005-12-21 | 2007-10-03 | 王敬东 | Pulse oil-production production-increasing device of strong swabbing following pump |
| CN101033684B (en) * | 2006-06-06 | 2010-05-19 | 蒋利宏 | Mechanical plug-removal oil extraction device |
| CN201953333U (en) * | 2011-02-14 | 2011-08-31 | 魏波 | Anti-scaling augmented injection acoustic wave device for oil-water well |
| CN202081871U (en) * | 2011-06-23 | 2011-12-21 | 仝旭宏 | De-plugging strongly-absorbing oil extractor |
| CN202578598U (en) * | 2012-05-18 | 2012-12-05 | 王宣 | Oil well vibration swabbing production increase device |
| CN204252901U (en) * | 2014-09-25 | 2015-04-08 | 中国石油天然气股份有限公司 | A kind of mechanical block-relief device |
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