CN208330318U - Continuous impulse for general de-plugging is acidified tubing string and its continuous impulse generator - Google Patents
Continuous impulse for general de-plugging is acidified tubing string and its continuous impulse generator Download PDFInfo
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- CN208330318U CN208330318U CN201820585765.XU CN201820585765U CN208330318U CN 208330318 U CN208330318 U CN 208330318U CN 201820585765 U CN201820585765 U CN 201820585765U CN 208330318 U CN208330318 U CN 208330318U
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- continuous impulse
- outer cylinder
- impulse generator
- diversion division
- turbine
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Abstract
The utility model provides a kind of continuous impulse generator, comprising: outer cylinder can be series on oil pipe, and what is be able to rotate in outer cylinder is equipped with turbine；Diversion division is set in outer cylinder, and diversion division is located at the top of turbine, is run through on diversion division equipped with eccentric access road；Conduction part is set in outer cylinder, and drain site can be pulsed from exit passageway through turbine by the liquid of access road and be discharged in running through on the lower section of turbine, conduction part equipped with exit passageway.It also provides and is acidified tubing string for the continuous impulse of general de-plugging, including continuous impulse generator as described above and packer, packer and continuous impulse generator are sequentially connected in series from top to bottom in oil pipe, packer is located at the top of reservoir.The utility model is able to achieve removal of bridge formation, increases pulse oscillating, and cooperation acidification measure removal formation blockage improves acidification effect, securely and reliably, at low cost.
Description
Technical field
The utility model belongs to technical field of petroleum extraction, is related to being acidified block releasing technique, specifically a kind of for generally solving
Stifled continuous impulse acidification tubing string and its continuous impulse generator.
Background technique
In oil-water well or oilfield exploitation procedure, due to argillaceous sediment, emulsion, paraffin, colloid, asphalitine and
The presence of other mechanical admixtures, pore channel are easily blocked, cause in-place permeability to decline, influence Development Response of Oilfield.It releases
The conventional method of formation blockage be exactly using acid solution carry out chemolysis, by acid solution to rock cement or formation pore, split
The dissolution and corrosion of tamper etc. expand or extend stratum fracture hole in stitching, and to restore and improve the permeability on stratum, reduce oil stream
The resistance or water filling resistance for entering well, to achieve the purpose that oil well production increasing, intensified injection of wells.
Currently, for general de-plugging acidizing treatment be using the Construction traffic of such as cementing truck, pump truck one kind, will be acid
Aqueous solution (such as: hydrochloric acid, hydrofluoric acid, organic acid etc.) injection stratum, or in order to improve acidizing effect, add thick using polymer
Change the new processes such as acid injection, organic retardant injection, the acid acidification that becomes sticky, viscoelastic surfactant acidification, but all mainly to change
Based on mode, plugging removal effect relies on merely chemical agent performance.
Chinese utility model patent CN201843601U provides a kind of removing blockage of oil-water well through magnetic positioning pulse acidification device,
It is handled while carrying out pulse processing to perforated interval using acid solution, effective corrosion tamper.This technology need to use steel wire and cable
Device is lowered into measure layer position, gives power supply to underground electrical pulse device by cable using ground power supply control cabinet, is generated
Pulse shock energy.But there is also following defects for this technology: (1) it needs to use cable and steel wire the tripping in tool in casing,
It is required that having increased the workload of lower tubular column without oil pipe in pit shaft, having increased measure cost；(2) do not have in pit shaft in work progress
There is oil pipe, increases well control risk；(3) power supply is provided by cable because of this technology, cable is in the biggish oil-water well of hole angle
In under it is fashionable there are problems that being hampered or stack, stock trick art is implemented limited.
Utility model content
One purpose of the utility model is to provide a kind of continuous impulse generator, can increase pulse oscillating, cooperation acidification
Measure removal formation blockage extends de-plugging distance, improves acidification effect, securely and reliably, at low cost.
The another object of the utility model is to provide a kind of continuous impulse acidification tubing string for general de-plugging, is able to achieve
Removal of bridge formation increases pulse oscillating, and cooperation acidification measure removal formation blockage extends de-plugging distance, improves acidification effect,
Securely and reliably, at low cost.
Following technical proposal can be used to realize in the above-mentioned purpose of the utility model:
The utility model provides a kind of continuous impulse generator comprising: outer cylinder can be series on oil pipe, described outer
What is be able to rotate in cylinder is equipped with turbine；Diversion division is set in the outer cylinder, and the diversion division is located at the top of the turbine, institute
It states on diversion division through equipped with eccentric access road；Conduction part is set in the outer cylinder, and the drain site is in the whirlpool
It the lower section of wheel can be through the turbine from institute by the liquid of the access road through being equipped with exit passageway in the conduction part
State exit passageway pulsation discharge.
In a preferred embodiment, fixed sticking department in the outer cylinder, the top and bottom of the sticking department are supported respectively
It is connected to the diversion division and the conduction part, lateral fixed installation axle in the sticking department, what is be able to rotate in the installation axle sets
There is the turbine.
In a preferred embodiment, the sticking department includes the clamping block of two valve arcs, and the clamping block, which is equipped with, to be supplied
The installation axle wears fixed aperture.
In a preferred embodiment, the central axis of the installation axle and the central axis of the outer cylinder are perpendicular.
In a preferred embodiment, the upper end of the outer cylinder be equipped with top connection, the upper end of the diversion division and it is described on
The lower end of connector abuts against, and the lower end of the outer cylinder is equipped with lower contact, the upper end of the lower end of the conduction part and the lower contact
It abuts against, the outer cylinder is series at the oil pipe by the top connection and the lower contact.
In a preferred embodiment, between the top connection and the outer cylinder between the lower contact and the outer cylinder
It is equipped at least one sealing ring.
In a preferred embodiment, the left side top surface of the diversion division is lower than the right side top surface of the diversion division, described
The left side top surface of diversion division is to forming left-leaning inclined-plane between the access road, the right side top surface of the diversion division to the entrance
Right deviation inclined-plane is formed between channel, the central axis of the access road is located at the central axis and the diversion division of the outer cylinder
Left side top surface between.
In a preferred embodiment, it is logical to be greater than the outlet for the cross-sectional area of the upper end of the exit passageway of the conduction part
The cross-sectional area of the lower end in road.
The utility model also provides a kind of continuous impulse acidification tubing string for general de-plugging comprising connects as described above
Continuous impulse generator and packer, the packer and the continuous impulse generator are sequentially connected in series from top to bottom in oil pipe, institute
State the top that packer is located at reservoir.
In a preferred embodiment, the continuous impulse generator is located at the lower end of the oil pipe, the continuous impulse
Generator is opposite with the reservoir or top positioned at the reservoir.
The utility model is for the continuous impulse acidification tubing string of general de-plugging and its characteristics of continuous impulse generator and excellent
Point is:
The continuous impulse generator of the utility model makes the access road of the bias by diversion division by setting turbine
The rotation of liquid energy impulse turbine, the turbine of rotation can stir liquid, to generate the waterpower pulse of regularity, and by exit passageway arteries and veins
Dynamic discharge, increases the impulse hunting effect of liquid；The utility model has the company for general de-plugging of continuous impulse generator
Continuous pulse acidification tubing string, by being sequentially connected in series packer and continuous impulse generator from top to bottom on oil pipe, to pass through packing
Device seals oil pipe and casing, makes acid solution after continuous impulse generator is by pulsation discharge, the acid solution of the pulsation of discharge can enter
Reservoir carries out de-plugging with the blocking to reservoir, increases impulse hunting effect, changes the single chemical corrosion of acidizing treatment
Mode improves the effect of acidification, safely may be used to realize the superposition for passing through pulse physical oscillation and acid solution chemolysis
It leans on, structure is simple, and it is easily operated, it is at low cost.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the continuous impulse generator of the utility model.
Fig. 2 is the structural schematic diagram of the turbine of the continuous impulse generator of the utility model.
Fig. 3 is that the continuous impulse for general de-plugging of the utility model is acidified the structural schematic diagram of tubing string.
Fig. 4 is that the continuous impulse for general de-plugging of the utility model is acidified the application schematic diagram of tubing string.
Drawing reference numeral explanation:
1, oil pipe；2, packer；3, continuous impulse generator；4, shaft bottom；5, casing；6, reservoir；7, total valve；8, oil pipe
Valve；9, sleeve valve；
101, top connection；102, outer cylinder；103, diversion division；104, sticking department；105, turbine；106, conduction part；107, under
Connector；108, access road；109, exit passageway.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In addition to non-individual defines the direction pointed out, the upper and lower equal directions being referred to herein are with the utility model
Shown in subject to upper and lower equal directions in Fig. 3, illustrate in this together.
Embodiment one
As depicted in figs. 1 and 2, the utility model provides a kind of continuous impulse generator comprising: outer cylinder 102 can go here and there
It is coupled on oil pipe 1, what is be able to rotate in the outer cylinder 102 is equipped with turbine 105；Diversion division 103 is set in the outer cylinder 102, institute
The top that diversion division 103 is located at the turbine 105 is stated, is run through on the diversion division 103 equipped with eccentric access road 108；Draw
Stream portion 106 is set in the outer cylinder 102, and the conduction part 106 is located at the lower section of the turbine 105, the conduction part 106
It is upper through being equipped with exit passageway 109, can be through the turbine 105 from the exit passageway by the liquid of the access road 108
109 pulsation discharges.
Specifically, outer cylinder 102 is substantially cylindrical in shape, to accommodate turbine 105, diversion division 103 and conduction part 106,105 energy of turbine
Rotation is set in outer cylinder 102, and liquid (such as acidification liquid) is made to generate pulsation effect, and turbine 105 respectively with diversion division 103
Access road 108 and conduction part 106 exit passageway 109 it is corresponding, to receive the acidification liquid from access road 108,
And the acidification liquid after generation pulsation effect is discharged from exit passageway 109, diversion division 103 is substantially cylindrical in shape, and its top surface one
Hold high one end low, for making the liquid drain in oil pipe 1 liquid run through access road 108 and impacting logical positioned at entrance
The turbine 105 of 108 lower section of road, makes acidification liquid generate pulsatile effect with rotation by turbine 105, conduction part 106 is substantially in
Tubular for that will have the acidification liquid of pulsatile effect to draw continuous impulse generator through its exit passageway 109, and then enters storage
Layer 6 realizes de-plugging.
Further, as shown in Figure 1, fixed sticking department 104, sticking department 104 are used to that turbine to be arranged in the outer cylinder 102
105, the top and bottom of the sticking department 104 are connected to the diversion division 103 and the conduction part 106, i.e. sticking department respectively
104 are arranged between diversion division 103 and conduction part 106, the lateral (side of vertical paper i.e. shown in fig. 1 in the sticking department 104
To) fixed installation axle, what is be able to rotate in the installation axle is equipped with the turbine 105, specifically, lock is fixed at the both ends of installation axle
Determine portion 104, i.e. installation axle can not be rotated in stationary state, bearing be arranged in installation axle, turbine 105 is set by what bearing was able to rotate
In in installation axle, wherein the central axis of the installation axle and the central axis of the outer cylinder 102 are perpendicular.
Further, the sticking department 104 includes the clamping block of two valve arcs, and the clamping block, which is equipped with, supplies the peace
Dress axis wears fixed aperture, specifically, the inner wall of the outer wall and outer cylinder 102 of two valve clamping blocks of sticking department 104 matches, makes
Sticking department 104 can be bonded the inner wall for being fixed on outer cylinder 102, and two valve clamping blocks of sticking department 104 are circumferential to be symmetrically set to outer cylinder 102
Interior, the radian of each clamping block can be 180 degree, make that two clamping blocks surround circular ring shape or the radian of each clamping block is less than
180 degree makes to form gap between two clamping blocks, the aperture on two clamping blocks diametrically, in order to the fixation of installation axle.
Further, as shown in Figure 1, the upper end of the outer cylinder 102 is equipped with top connection 101, the upper end of the diversion division 103
It is abutted against with the lower end of the top connection 101, the lower end of the outer cylinder 102 is equipped with lower contact 107, under the conduction part 106
It holds and is abutted against with the upper end of the lower contact 107, the outer cylinder 102 is connected by the top connection 101 and the lower contact 107
In the oil pipe 1, specifically, the inner wall of the upper end of outer cylinder 102 is equipped with internal screw thread, the outer wall of 101 lower end of top connection is equipped with outer spiral shell
Line protrudes into the lower end of top connection 101 in outer cylinder 102 and is spirally connected with outer cylinder 102, protrudes under the top connection 101 in outer cylinder 102
End face is connected to the upper surface of diversion division 103, and the inner wall of the lower end of outer cylinder 102 is equipped with internal screw thread, the outer wall of 107 upper end of lower contact
Equipped with external screw thread, protrudes into the upper end of lower contact 107 in outer cylinder 102 and be spirally connected with outer cylinder 102, connect under protruding into outer cylinder 102
First 107 upper surface is connected to the lower end surface of conduction part 106, and the inner wall of the upper end of top connection 101 is equipped with internal screw thread, lower contact
The outer wall of 107 lower end is equipped with external screw thread, and in order to connect with oil pipe 1, for the connection type of tubing string using being threadedly coupled, structure is simple
It is single, it is easily operated.
Further, as shown in Figure 1, between the top connection 101 and the outer cylinder 102 and the lower contact 107 and institute
It states and is equipped at least one sealing ring between outer cylinder 102, to guarantee the sealing between contact component two-by-two, preferably, top connection
Sealing ring there are two being all provided between lower contact 107 and outer cylinder 102 between 101 and outer cylinder 102.
Further, as shown in Figure 1, the left side top surface of the diversion division 103 is pushed up lower than the right side of the diversion division 103
Face, left side top surface to the left-leaning inclined-plane of formation between the access road 108, the right side of the diversion division 103 of the diversion division 103
Side top surface is located at the outer cylinder to Right deviation inclined-plane, the central axis of the access road 108 is formed between the access road 108
Between 102 central axis and the left side top surface of the diversion division 103, i.e. the central axis of access road 108 and outer cylinder 102
Central axis deviates namely the area on Right deviation inclined-plane is greater than the area on "Left"-deviationist inclined-plane, so that guidance fluid is along right bank
Face accelerates into access road 108, i.e. acidification liquid can concentrate flow direction to be located in outer cylinder 102 under the limitation of diversion division 103
Access road 108 on the left of mandrel line, with the rotation of impulse turbine 105, wherein Right deviation inclined-plane can be flat with left-leaning inclined-plane
Face can also be cambered surface.
Further, as shown in Figure 1, the cross-sectional area of the upper end of the exit passageway 109 of the conduction part 106 is greater than described
The cross-sectional area of the lower end of exit passageway 109 improves flow velocity, reinforces its pulsatile effect, conduction part to accelerate to acidification liquid
The central axis of 106 exit passageway 109 is conllinear with the central axis of outer cylinder 102 namely the central axis of exit passageway 109 with
The central axis of access road 108 deviates (i.e. not conllinear), specifically, the exit passageway 109 of conduction part 106 from top to bottom according to
Secondary includes the first gentle section, the first converging transition, the second gentle section, the second converging transition and the gentle section of third, the first gentle section, second
Gentle section and the gentle section of third are cylindrical, and the first converging transition and the second converging transition are in a circular table shape, the first gentle section it is straight
Diameter is greater than the diameter of the second gentle section, and the diameter of the second gentle section is greater than the diameter of the gentle section of third or going out for conduction part 106
Mouth channel 109 is in a circular table shape.
At work, the acidification liquid in oil pipe is at two of diversion division 103 for the continuous impulse generator of the utility model
Under the guidance of inclined surface, access road 108 is quickly entered, the blade of impulse turbine 105 after access road 108 makes turbine 105
It is rotated under the power of acidification liquid, and acidification liquid is driven to rotate together, make to be acidified liquid generation regularity flowing (i.e. pulse
Property impact), there is the acidification liquid of regularity flowing to enter the exit passageway 109 of conduction part 106, and from exit passageway after acceleration
109 pulsation discharges, so realize the impulse hunting effect of acidification liquid.
Embodiment two
As shown in Figure 3 and Figure 4, the utility model also provides a kind of continuous impulse acidification tubing string for general de-plugging,
Including continuous impulse generator 3 as described above and packer 2, the packer 2 and the continuous impulse generator 3 from upper and
Under be sequentially connected in series in oil pipe 1, the packer 2 is located at the top of reservoir 6, by the space in the casing opposite with each reservoir 6
Closing is realized between packer 2 and shaft bottom 4, to carry out de-plugging to each reservoir 6 simultaneously, is made using the physics of waterpower pulse
It is superimposed with the chemical corrosion with acid solution, to improve acidification radius and function and effect, wherein continuous impulse generator
3 is identical as the structure of embodiment one, working principle and beneficial effect, and details are not described herein, in addition, packer 2 is existing skill
Known structure (Y221 type or Y521 type packer as set mode using rotation) in art, details are not described herein, sets
Reliably, casing 5 more than energy effective protection construction interval, and complete to insulate, avoid acidification liquid flows upwards, wherein described
General de-plugging i.e. when being directed to a reservoir or multiple reservoirs, de-plugging simultaneously, namely traditional de-plugging is solved relative to layering
For stifled.
Further, the continuous impulse generator 3 is located at the lower end of the oil pipe 1, makes from continuous impulse generator 3
The liquid with pulsatile effect that exit passageway 109 is discharged can quickly enter each reservoir 6 after being directly entered casing 5, described continuous
Impulse generator 3 and the reservoir 6 are opposite, and when reservoir 6 is multiple, continuous impulse generator 3 is located substantially at multiple reservoirs
Middle position or continuous impulse generator 3 are located at the top of the reservoir 6, and when reservoir 6 is multiple, continuous impulse occurs
Device 3 is located substantially at the top of the reservoir of the top, so that the liquid with pulsatile effect can quickly enter each reservoir 6.
Continuous impulse acidification tubing string of the utility model for general de-plugging is used for a reservoir 6, or to two or more
A reservoir 6 carries out de-plugging simultaneously, is illustrated by taking three reservoirs 6 as an example to its work step below, as shown in Figure 3 and Figure 4,
Before starting acidizing treatment, drifting, pipe cleaning, clean-out service are first carried out, acidizing treatment can be started after the completion: step a, tripping in pipe
Column will be specifically used in the continuous impulse acidification tubing string tripping in down-hole casing 5 of general de-plugging, until continuous impulse generator 3
Close to the top reservoir or opposite with intermediate reservoir, and packer 2 is located at the top of the top reservoir, completes packer 2 and sets；
Step b closes main valve to construction pipeline pressure testing, specifically record well head pressure (pressure in oil pipe i.e. at record well head)
Door 7 and sleeve valve 9, pump truck and tubing valve 8 are connected, 20MPa is pumped into construction pipeline by pump truck, to pump truck
It is sealed detection to the pipeline between total valve 7, guarantees construction pipeline No leakage；Step c opens total valve 7 and tubing valve
Door 8, is pumped into oil pipe 1 for acidifying solution by pump truck, and pressure is made to be stepped up control in 18Mpa, makes acidifying solution in diversion division 103
Guiding under enter access road 108, from access road 108 be discharged acidifying solution impulse turbine 105, make turbine 105 rotate, whirlpool
Wheel 105 stirs acidifying solution while rotation, and acidifying solution is made to generate regular pulsation effect, and from 109 Pulsating Flow of exit passageway
Out, the acidifying solution of outflow can only enter each reservoir 6, realize the de-plugging to each reservoir 6 because of the packing effect in packer 2 and shaft bottom,
Wherein, during pumping note, operation pressure is rationally controlled, guarantees construction safety；Step d, pump truck are pumped into clear water into oil pipe 1,
Until acid solution noresidue, termination of pumping, construction pipeline of dismantling, boil in a covered pot over a slow fire well after 12 hours, open flow drain can be produced as a trial or be filled the water.
The utility model makes acidifying solution by continuous impulse generator 3, using the power of acidifying solution come impulse turbine 105,
So that acidifying solution is stirred lower rotation in turbine 105, and then acidifying solution is made to generate regular pulse, is generated in stratum using impulse wave
Compression is periodically opened, the medium in excited vibrational field makes the physical quantity of medium particle occur to change repeatedly, causes to be deposited on
The intrapore solid adhesion of oil reservoir is gradually loosened, is separated, and realizes the de-plugging mode that physics and chemistry combine, and is increased at acid solution
Radius is managed, plugging removal effect is improved, when reservoir 6 is multilayer, from the pulsation of the discharge of exit passageway 109 of continuous impulse generator 3
Acidifying solution enters each reservoir 6 simultaneously, realizes while being acidified de-plugging, improves acid solution utilization rate.The utility model can utilize pump fluid injection
The energy production pulsatile effect of body is acted on without additional energy, and impulse action can be such that acidification liquid enters with wave
Stratum, this wave act on stratum with strong alternating pressure.
The continuous impulse generator of the utility model makes the eccentric entrance by diversion division 103 by setting turbine 105
The liquid energy impulse turbine 105 in channel 108 rotates, and the turbine 105 of rotation can stir liquid, to generate the waterpower arteries and veins of regularity
Punching, and pulsed and be discharged by exit passageway 109, increase the impulse hunting effect of liquid；The utility model has continuous impulse
The continuous impulse for general de-plugging of device 3 is acidified tubing string, by being sequentially connected in series packer 2 from top to bottom on oil pipe 1 and connecting
Continuous impulse generator 3 arranges acid solution by pulsation by continuous impulse generator 3 to seal oil pipe 1 and casing 5 by packer 2
After out, the acid solution of the pulsation of discharge can enter reservoir 6, carries out de-plugging with the blocking to reservoir 6, increases impulse hunting effect,
Change the single chemical corrosion mode of acidizing treatment, to realize the superposition for passing through pulse physical oscillation and acid solution chemolysis
Effect, improves the effect of acidification, and securely and reliably, structure is simple, easily operated, at low cost.
The above descriptions are merely exemplary embodiments of the present utility model, not to limit the model of the utility model
It encloses.Any those skilled in the art, made equivalent variations under the premise of not departing from the principle and design of the utility model
With modification, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of continuous impulse generator, which is characterized in that the continuous impulse generator includes:
Outer cylinder can be series on oil pipe, and what is be able to rotate in the outer cylinder is equipped with turbine；
Diversion division is set in the outer cylinder, and the diversion division is located at the top of the turbine, is run through on the diversion division and is equipped with
Eccentric access road；
Conduction part is set in the outer cylinder, the drain site on the lower section of the turbine, the conduction part through being equipped with
Exit passageway can be pulsed from the exit passageway through the turbine by the liquid of the access road and is discharged.
2. continuous impulse generator according to claim 1, which is characterized in that fixed sticking department in the outer cylinder, it is described
The top and bottom of sticking department are connected to the diversion division and the conduction part, laterally fixed installation in the sticking department respectively
Axis, what is be able to rotate in the installation axle is equipped with the turbine.
3. continuous impulse generator according to claim 2, which is characterized in that the sticking department includes the lock of two valve arcs
Determine block, the clamping block, which is equipped with, wears fixed aperture for the installation axle.
4. continuous impulse generator according to claim 2, which is characterized in that the central axis of the installation axle with it is described
The central axis of outer cylinder is perpendicular.
5. continuous impulse generator according to claim 1 or 2, which is characterized in that the upper end of the outer cylinder is equipped with and above connects
Head, the upper end of the diversion division and the lower end of the top connection abut against, and the lower end of the outer cylinder is equipped with lower contact, the drainage
The lower end in portion and the upper end of the lower contact abut against, and the outer cylinder is series at described by the top connection and the lower contact
Oil pipe.
6. continuous impulse generator according to claim 5, which is characterized in that between the top connection and the outer cylinder and
At least one sealing ring is equipped between the lower contact and the outer cylinder.
7. continuous impulse generator according to claim 1, which is characterized in that the left side top surface of the diversion division is lower than institute
The right side top surface of diversion division is stated, the left side top surface of the diversion division is described to lead to the left-leaning inclined-plane of formation between the access road
The right side top surface in stream portion is located at described outer to Right deviation inclined-plane, the central axis of the access road is formed between the access road
Between the central axis of cylinder and the left side top surface of the diversion division.
8. continuous impulse generator according to claim 1, which is characterized in that the upper end of the exit passageway of the conduction part
Cross-sectional area be greater than the exit passageway lower end cross-sectional area.
9. a kind of continuous impulse for general de-plugging is acidified tubing string, which is characterized in that the continuous arteries and veins for general de-plugging
Punching acidification tubing string include such as continuous impulse generator described in any item of the claim 1 to 8 and packer, the packer and
The continuous impulse generator is sequentially connected in series from top to bottom in oil pipe, and the packer is located at the top of reservoir.
10. the continuous impulse according to claim 9 for general de-plugging is acidified tubing string, which is characterized in that described continuous
Impulse generator is located at the lower end of the oil pipe, and the continuous impulse generator is opposite with the reservoir or positioned at the reservoir
Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820585765.XU CN208330318U (en) | 2018-04-24 | 2018-04-24 | Continuous impulse for general de-plugging is acidified tubing string and its continuous impulse generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820585765.XU CN208330318U (en) | 2018-04-24 | 2018-04-24 | Continuous impulse for general de-plugging is acidified tubing string and its continuous impulse generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330318U true CN208330318U (en) | 2019-01-04 |
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ID=64778206
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820585765.XU Active CN208330318U (en) | 2018-04-24 | 2018-04-24 | Continuous impulse for general de-plugging is acidified tubing string and its continuous impulse generator |
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| Country | Link |
|---|---|
| CN (1) | CN208330318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219627A (en) * | 2019-06-19 | 2019-09-10 | 中国海洋石油集团有限公司 | A method of enhancing offshore oilfield oil well acidation effect |
-
2018
- 2018-04-24 CN CN201820585765.XU patent/CN208330318U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219627A (en) * | 2019-06-19 | 2019-09-10 | 中国海洋石油集团有限公司 | A method of enhancing offshore oilfield oil well acidation effect |
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