CN106437656A - Oil and gas reservoir permeation-increasing and plugging-releasing device based on liquid-electric effect - Google Patents
Oil and gas reservoir permeation-increasing and plugging-releasing device based on liquid-electric effect Download PDFInfo
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- CN106437656A CN106437656A CN201611138318.1A CN201611138318A CN106437656A CN 106437656 A CN106437656 A CN 106437656A CN 201611138318 A CN201611138318 A CN 201611138318A CN 106437656 A CN106437656 A CN 106437656A
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Classifications
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- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
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Abstract
The invention discloses an oil and gas reservoir permeation-increasing and plugging-releasing device based on a liquid-electric effect. The device includes a ground charging device which configured to transmit electric power to a downhole, a downhole device which is configured to store electric energy delivered by the ground charging device and capable of generating the liquid-electric effect to produce shock waves, and at least a downhole shock wave generating device, wherein the downhole shock wave generating device comprises a downhole variable pressure energy storage device and downhole electrodes, and is configured to lower the transmission voltage of the ground charging device to a charge voltage and then store the electric energy delivered by the ground charging device, accordingly, the charging voltage can be instantly increased by several times before being loaded to the downhole electrode to allow the downhole electrodes to generate the liquid-electric effect. The device is based on the electric spark explosion formed by the liquid-electric effect between downhole electrodes, and the periodic impact waves are excited to the surrounding strata, therefore, formation conditions can be improved, an oil permeation channel can be quickly dredged, and permeability of an oil well can be improved.
Description
Technical field
The present invention relates to de-plugging of well technology, especially a kind of oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect.
Background technology
With the increase of oil well collecting time, the oil outlet of many oil wells is due to accumulation of impurities and long-time injection polymerization
Thing, causes permeability blocked path, and bottom pressure raises, and injection of polymer effect declines, and leads to oil well output to reduce, or even part
Stop production.
Existing method for removing blockage has physics de-plugging, chemical plugging removal and biological plugging releasing etc.；Physics method for removing blockage construction procedure
Relatively complicated, chemical plugging removal method high cost, de-plugging effect duration is short, causes secondary injury to oil well, easily causes environmental pollution
Etc. outstanding problem, biological plugging releasing method is higher to environmental requirement, and technology is not mature enough.
Disclose in the application for a patent for invention file of the Patent No. 201510172608.7 of China Petroleum Univ. (East-China)
A kind of oil and gas reservoir anatonosis plug-removing device and its anatonosis method for removing blockage, act on the jet impulse on stratum using CO 2 fluid
Pressure and thermal (temperature difference) stress make rock of borehole produce crack, realize the purpose of anatonosis de-plugging；This method for removing blockage is relatively costly, and easily
Infringement is produced to stratum.
In view of this, the special proposition present invention.
Content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides a kind of oil based on electrohydraulic effect
Gas reservoir anatonosis plug-removing device, produces shock wave around oil and gas reservoir liquid medium by carrying out electrohydraulic effect, reaches
Improve formation condition, the purpose of Quick dredging permeability path.
For solving above-mentioned technical problem, the present invention using the basic conception of technical scheme is：
A kind of oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect, including
Ground charging device：It is configured in order to delivered downhole electric energy；
Downhole hardware：It is configured to store the electric energy of ground charging device conveying and electrohydraulic effect can occur to produce punching
Hit ripple；Including the down-hole blast wave generating apparatus being at least made up of down-hole transformation energy storage device and Electrodes In Shallow Wells；
Described down-hole transformation energy storage device：It is configured to for ground charging device transmission voltage to be down to storage after charging voltage
The electric energy of ground charging device conveying, and can bring it about being loaded into Electrodes In Shallow Wells after charging voltage lifting several times moment
Electrohydraulic effect.
Further, above-mentioned based in the oil and gas reservoir anatonosis plug-removing device of electrohydraulic effect, the transformation energy storage of described down-hole fills
Put including the step-down transformer being sequentially connected electrically, the second rectification circuit and the capacitor bank with Marx generator function；Electricity
Container group includes some groups of storage capacitors, and every group of storage capacitor is in parallel again after charging resistor is together in parallel composition capacitor bank
To described Electrodes In Shallow Wells, every group of storage capacitor two ends are respectively connected with trigger switch.
Further, above-mentioned based in the oil and gas reservoir anatonosis plug-removing device of electrohydraulic effect, described capacitor bank is coaxial
Cylindric, the diameter of axle is not more than 70mm.
Further, above-mentioned based in the oil and gas reservoir anatonosis plug-removing device of electrohydraulic effect, described downhole hardware includes covering
Be located at the anelectrode in negative electrode, two electrodes be coaxially arranged concentrically and be provided with therebetween dielectric material layer insulated every
From；One end of positive and negative electrode connects capacitor bank outfan respectively；The other end of positive and negative electrode collectively forms discharge end, just,
Between the other end of negative electrode, setting distance is to guarantee to set up suitable discharge channel.
Further, above-mentioned based in the oil and gas reservoir anatonosis plug-removing device of electrohydraulic effect, the anelectrode of described discharge end
It is longer than negative electrode, the negative electrode central authorities of discharge end are provided around the reservoir of anelectrode, the dielectric material layer of discharge end and storage
Liquid bath bottom land is concordant.
Further, above-mentioned based in the oil and gas reservoir anatonosis plug-removing device of electrohydraulic effect, described ground charging device bag
Include the first rectification circuit, filter circuit and the main power circuit being sequentially connected electrically and booster transformer；Ground charging device is also
It is used for real-time control main power circuit output current including the control unit connecting to main power circuit.
A kind of oil and gas reservoir anatonosis method for removing blockage based on electrohydraulic effect, including
By ground charging device to delivered downhole electric energy；
Store the electric energy of ground charging device conveying with downhole hardware and electrohydraulic effect occurs to produce shock wave；Down-hole fills
Put including the down-hole blast wave generating apparatus being at least made up of down-hole transformation energy storage device and Electrodes In Shallow Wells；By down-hole transformation energy storage
Ground charging device transmission voltage is down to the electric energy of storage ground charging device conveying after charging voltage by device, and moment will fill
It is loaded into Electrodes In Shallow Wells after piezoelectric voltage lifting several times and bring it about electrohydraulic effect.
Preferably, the method for the above-mentioned oil and gas reservoir anatonosis de-plugging based on electrohydraulic effect, down-hole transformation energy storage device stores
The electric energy of described ground charging device conveying, and moment charging voltage lifting several times are by having Marx generating function
Capacitor bank is realized.
After technique scheme, the present invention compared with prior art has the advantages that：
Apparatus of the present invention form electric spark blast based on electrohydraulic effect between Electrodes In Shallow Wells, inspire week to surrounding formation
Phase property shock wave, shock wave, with the difference of discharge current and discharge time, acts on week in the way of momentum or surge
Enclose medium, in the presence of multiple repeated stock ripple, can reach and improve formation condition, Quick dredging permeability path, improve oil well
The effect of permeability, thus improve blocking well oil output.Compared with the past merely using acidifying de-plugging, widen block releasing technique
Range of application, can as the one kind in hypotonic, special Middle-Low Permeability Reservoirs breaking block treatment effect on driving birds is not good situation effectively supplement handss
Section.
Brief description
Fig. 1 is a kind of operation principle schematic diagram of the oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect of the present invention；
Fig. 2 is the structured flowchart on ground charging device shown in Fig. 1；
Fig. 3 is the circuit diagram of down-hole blast wave generating apparatus shown in Fig. 1；
Fig. 4 is the partial sectional view of Electrodes In Shallow Wells shown in Fig. 1；
Fig. 5 is a specific embodiment of the first rectification circuit shown in Fig. 2 and filter circuit；
Fig. 6 is the specific embodiment of control unit shown in Fig. 2；
Fig. 7 is the structural representation of coaxial cylindrical capacitor bank；
In figure：
1st, anelectrode；2nd, negative electrode；3rd, dielectric material layer；4th, liquid medium；5th, discharge channel.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the invention will be further described, to help understanding present disclosure.
As Figure 1-4, a kind of oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect, including：
Ground charging device：It is configured in order to delivered downhole electric energy；
Downhole hardware：It is configured to store the electric energy of ground charging device conveying and electrohydraulic effect can occur to produce punching
Hit ripple.
Wherein, described ground charging device includes the first rectification circuit, filter circuit and the main power source being sequentially connected electrically
Loop and booster transformer, 380V power frequency electric is passed through the first rectification circuit and filter circuit rectifying and wave-filtering by ground charging device
Afterwards, enter booster transformer through main power circuit and boost to 2kV output, then by the transmission cable of 2000-5000 rice by electricity
Downhole hardware can be delivered to charge for it；
Wherein, first rectifying and wave-filtering electricity and filter circuit implementation as shown in figure 5, but be not limited thereto, also may be used
Be those skilled in the art it is conceivable that other suitable current rectifying and wave filtering circuits；Described main power circuit belongs to transformator conditioning
Circuit, the commercial charger being had using market, no longer does unnecessary repeating herein.
Ground charging device also includes the control unit connecting to main power circuit, defeated for real-time control main power circuit
Go out electric current to be charged the adjustment of time and rechargeable energy, and then adjust electric detonation parameter, produce different percussive pressure Reebs.As
Control unit shown in Fig. 6 is a palm remote control system, by storage capacitor C, electrode E, trigger point d and control triggering
Module composition, is connected by auxiliary circuit and charger, realizes vulnerabilities scan forceful electric power.
Ground charging device is provided with ground protection.
As shown in Figure 2,3, described downhole hardware mainly includes down-hole blast wave generating apparatus；Down-hole shock wave fills
Put including down-hole transformation energy storage device and Electrodes In Shallow Wells, described down-hole transformation energy storage device is configured to will be defeated for ground charging device
Piezoelectric voltage is down to the electric energy of storage ground charging device conveying after charging voltage, and moment charging voltage can be lifted several times
After be loaded into Electrodes In Shallow Wells and bring it about electrohydraulic effect.
The step-down transformer that described down-hole transformation energy storage device includes being sequentially connected electrically, the second rectification circuit (can be these
Suitable any rectification circuit that field is commonly used) and there is the capacitor bank of Marx generator function, become by miniature blood pressure lowering
The 2kV high-tension current that ground charging device conveys is depressurized to 380V voltage x current by depressor, is converted to directly through the second rectification circuit
Capacitor bank is supplied after stream electricity；Capacitor bank includes some groups of storage capacitor (C1, C2……Cn), every group of storage capacitor passes through to fill
Resistance R is together in parallel after constituting capacitor bank and is connected in parallel to Electrodes In Shallow Wells, and every group of storage capacitor two ends are respectively connected with trigger switch
G, trigger switch (G1, G2……Gn) can be air gap switch, conducting is punctured when voltage reaches rated value；Charging resistor
Play circuit interconnection function under capacitor bank charged state, under discharge condition, buffer action can be played again；Storage capacitor quantity
Installation can be configured before going into the well according to down-hole practical situation, form coaxial cylindrical as shown in fig. 7, compact conformation, loop
Dispersion inductance is little, its diameter of axle H about 50-70mm, and length L is about in the space of 6-10m length places described some groups of storage capacitors.
Described Electrodes In Shallow Wells include the anelectrode 1 being set in negative electrode 2, and two electrodes (1,2) are coaxially arranged concentrically and two
It is provided with dielectric material layer 3 between person to be dielectrically separated from；One end of positive and negative electrode (1,2) connects capacitor bank output respectively
End；The other end of positive and negative electrode (1,2) collectively forms discharge end, between the other end of positive and negative electrode (1,2) setting distance with
Guarantee to set up suitable discharge channel 5 and discharge energy, produce the de-plugging purpose that suitable pressure surge reaches optimization；
In the present embodiment, the anelectrode 1 of discharge end is longer than negative electrode 2, and length difference is arc discharge apart from h；The negative electrode 2 of discharge end
Central authorities are provided around the reservoir of anelectrode, and the dielectric material layer 3 of discharge end is concordant with reservoir bottom land.
During specific works, in the space such as reservoir between the anelectrode 1 of discharge end and negative electrode 2, it is full of oil and gas reservoir
The liquid mediums such as oil water mixture 4, the voltage x current of the 2kV transmitting down-hole transmission cable through step-down transformer is depressurized to 380V,
Then it is the capacitor bank charging energy-storing with Marx generator function by the second rectification circuit, when charging voltage reaches triggering
Switch (G1, G2……Gn) trigger voltage when, trigger switch (G1, G2……Gn) be both turned on so that all of energy storage in parallel
Electric capacity (C1, C2……Cn) moment is changed into connecting, thus by n times of charging voltage lifting, can reach 30kV, the high voltage of 30kV
Load is loaded into Electrodes In Shallow Wells two ends, and liquid medium (oil water mixture) moment of down-hole is punctured entrance plasmoid, produces
Raw plasma discharge, energy release forms blast；The maximum discharge current that apparatus of the present invention produce is big, rising edge is steep, generation
Shock strength is greatly to realize more preferable plugging removal effect；It passes through down-hole transformation energy storage device full of water or oil water mixture
High pressure field intensity is produced, under High Voltage electric field action, the electronics in liquid medium between Electrodes In Shallow Wells is accelerated, and ionizes in oil well
Fluid molecule near electrode.The electronics being ionized out in liquid medium is accelerated to ionize out more electricity by highfield between electrode
Son, forms electron avalanche.The region being ionized in fluid molecule forms plasma channel, with the extension of ionized space,
Form discharge channel, liquid is breakdown between electrode.After discharge channel produces, due to discharge resistance very little, tens kilo-amperes will be produced
Discharge current；Discharge current heats channel circumference liquid, makes vaporizing liquid rapid outward expansion, outside the rapid air cavity expanding
Along producing powerful shock wave in liquid medium, shock wave with the difference of discharge current and discharge time, with momentum or punching
The mode hitting pressure acts on surrounding medium, this electric spark blast being formed in-between the electrodes, inspires week to surrounding formation
Phase property shock wave；Under repetitious shock wave, produce stronger tangential shearing force between each aspect and frustrate life
The seepage flow duct of Cheng Xin, original duct also will extend under shock wave, and shock wave is in stratum media and oil-water media
Shearing force and the eddy flow stress field of irregular obstacle body initiation that wave beam difference produces, will be effectively peeled off, remove in former seepage flow duct
Tamper, can reach improve formation condition, Quick dredging permeability path, improve oil well permeability effect, thus improving
Blocking well oil output.
In hypotonic, special hypotonic block, for because reservoir properties are poor, oil-gas Layer is easily damaged using measures such as acidifyings, utilize
Apparatus of the present invention occur electrohydraulic effect to produce shock wave and can reduce formation damage.Compared with the past merely using acidifying de-plugging,
Widen the range of application of block releasing technique.Can be used as in hypotonic, special Middle-Low Permeability Reservoirs breaking block treatment effect on driving birds is not good situation
Plant the effective means of supplementing out economy.
The opposing party's aspect, the present invention is also provided and is realized using the above-mentioned oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect
Anatonosis method for removing blockage, specifically include：
By ground charging device to delivered downhole electric energy；
Store the electric energy of ground charging device conveying with downhole hardware and electrohydraulic effect occurs to produce shock wave；Down-hole fills
Put including the down-hole blast wave generating apparatus being at least made up of down-hole transformation energy storage device and Electrodes In Shallow Wells；By down-hole transformation energy storage
Ground charging device transmission voltage is down to the electric energy of storage ground charging device conveying after charging voltage by device, and moment will fill
It is loaded into Electrodes In Shallow Wells after piezoelectric voltage lifting several times and bring it about electrohydraulic effect.
Wherein transformation energy storage device in down-hole stores the electric energy of described ground charging device conveying, and charging voltage is carried by moment
Rising several times is by having the realization of the capacitor bank of Marx generating function.
The capacitor bank of Marx generating function reaches the trigger voltage of trigger switch using hierarchical capacitor charged in parallel, makes
Trigger switch conducting, hierarchical capacitor moment is changed into discharged in series, improve discharge voltage be loaded into Electrodes In Shallow Wells two ends so as to
Occur electrohydraulic effect to produce shock wave in liquid medium and realize de-plugging in oil and gas reservoir medium.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect it is characterised in that：Including
Ground charging device：It is configured in order to delivered downhole electric energy；
Downhole hardware：It is configured to store the electric energy of ground charging device conveying and electrohydraulic effect can occur to produce impact
Ripple；Including the down-hole blast wave generating apparatus being at least made up of down-hole transformation energy storage device and Electrodes In Shallow Wells；
Described down-hole transformation energy storage device：It is configured to for ground charging device transmission voltage to be down to storage ground after charging voltage
The electric energy of charging device conveying, and moment can bring it about liquid electricity by being loaded into Electrodes In Shallow Wells after charging voltage lifting several times
Effect.
2. the oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect according to claim 1 it is characterised in that：Described well
Step-down transformer that lower transformation energy storage device includes being sequentially connected electrically, the second rectification circuit and there is Marx generator function
Capacitor bank；Capacitor bank includes some groups of storage capacitors, and every group of storage capacitor is together in parallel composition electric capacity by charging resistor
It is connected in parallel to described Electrodes In Shallow Wells again, every group of storage capacitor two ends are respectively connected with trigger switch after device group.
3. the oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect according to claim 2 it is characterised in that：Described electricity
Container group is coaxial cylindrical, and the diameter of axle is not more than 70mm.
4. the oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect according to claim 2 it is characterised in that：Described well
Lower device includes the anelectrode being set in negative electrode, and two electrodes are coaxially arranged concentrically and are provided with therebetween dielectric material layer
It is dielectrically separated from；One end of positive and negative electrode connects capacitor bank outfan respectively；The other end of positive and negative electrode collectively forms
Discharge end, between the other end of positive and negative electrode, setting distance is to guarantee to set up suitable discharge channel.
5. the oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect according to claim 4 it is characterised in that：Described put
The anelectrode at electric end is longer than negative electrode, and the negative electrode central authorities of discharge end are provided around the reservoir of anelectrode, electricity Jie of discharge end
The material bed of material is concordant with reservoir bottom land.
6. the oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect according to claim 1 it is characterised in that：Describedly
Face charging device includes the first rectification circuit, filter circuit and the main power circuit being sequentially connected electrically and booster transformer；Ground
Face charging device also includes connection to the control unit of main power circuit for real-time control main power circuit output current.
7. a kind of oil and gas reservoir anatonosis method for removing blockage based on electrohydraulic effect it is characterised in that：Including
By ground charging device to delivered downhole electric energy；
Store the electric energy of ground charging device conveying with downhole hardware and electrohydraulic effect occurs to produce shock wave；Downhole hardware bag
Include the down-hole blast wave generating apparatus being at least made up of down-hole transformation energy storage device and Electrodes In Shallow Wells；By down-hole transformation energy storage device
Ground charging device transmission voltage is down to after charging voltage the electric energy of storage ground charging device conveying, and moment will charge electricity
It is loaded into Electrodes In Shallow Wells after pressure lifting several times and bring it about electrohydraulic effect.
8. method according to claim 7 it is characterised in that：Down-hole transformation energy storage device stores described ground charging device
Conveying electric energy, and moment by charging voltage lifting several times be by have the capacitor bank of Marx generating function realization.
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| CN201611138318.1A CN106437656A (en) | 2016-12-12 | 2016-12-12 | Oil and gas reservoir permeation-increasing and plugging-releasing device based on liquid-electric effect |
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| CN201611138318.1A CN106437656A (en) | 2016-12-12 | 2016-12-12 | Oil and gas reservoir permeation-increasing and plugging-releasing device based on liquid-electric effect |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761649A (en) * | 2017-02-28 | 2017-05-31 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | One kind is used for water injection well line pulse method for removing blockage |
| CN108386168A (en) * | 2018-03-02 | 2018-08-10 | 湖南飞天光电科技有限公司 | Equipment for exploiting thick oil by utilizing energy-gathered pulses and using method thereof |
| CN109403937A (en) * | 2018-11-05 | 2019-03-01 | 清华四川能源互联网研究院 | A kind of blast wave generating apparatus of oil/gas well and well production increment method using shock wave |
| CN109594946A (en) * | 2018-12-13 | 2019-04-09 | 苏州峰极电磁科技有限公司 | Stifled system is dredged under a kind of electric pulse oil well |
| CN110018101A (en) * | 2019-04-11 | 2019-07-16 | 中海石油(中国)有限公司 | A kind of mechanical experiment system for shock wave de-plugging evaluation |
| CN107724984B (en) * | 2017-10-11 | 2020-05-12 | 中国科学技术大学 | Method for improving oil and gas recovery ratio by using pulse shock waves |
| RU2751024C2 (en) * | 2019-12-31 | 2021-07-07 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Грозненский государственный нефтяной технический университет имени акад. М.Д. Миллионщикова" | Method for ion-plasma pulse action on low-watered oil and device for its implementation |
| CN113513293A (en) * | 2021-04-23 | 2021-10-19 | 西南石油大学 | Oil gas production increasing method based on discharge plasma pulse shock wave acidification liquid injection promotion |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110227395A1 (en) * | 2010-03-17 | 2011-09-22 | Auburn University | Method of and apparatus for plasma blasting |
| CN202417436U (en) * | 2012-02-23 | 2012-09-05 | 张生路 | Electric heating unfreezing blocking device |
| US20140008072A1 (en) * | 2011-03-14 | 2014-01-09 | Total S.A. | Electrical fracturing of a reservoir |
| CN105201475A (en) * | 2015-09-21 | 2015-12-30 | 中国石油大学(北京) | High-energy-gathering repeated high-impulse-wave polymer injection well or oil well blockage removing method and device |
| CN206409218U (en) * | 2016-12-12 | 2017-08-15 | 中国地质大学（北京） | A kind of oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect |
-
2016
- 2016-12-12 CN CN201611138318.1A patent/CN106437656A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110227395A1 (en) * | 2010-03-17 | 2011-09-22 | Auburn University | Method of and apparatus for plasma blasting |
| US20140008072A1 (en) * | 2011-03-14 | 2014-01-09 | Total S.A. | Electrical fracturing of a reservoir |
| CN202417436U (en) * | 2012-02-23 | 2012-09-05 | 张生路 | Electric heating unfreezing blocking device |
| CN105201475A (en) * | 2015-09-21 | 2015-12-30 | 中国石油大学(北京) | High-energy-gathering repeated high-impulse-wave polymer injection well or oil well blockage removing method and device |
| CN206409218U (en) * | 2016-12-12 | 2017-08-15 | 中国地质大学（北京） | A kind of oil and gas reservoir anatonosis plug-removing device based on electrohydraulic effect |
Cited By (10)
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|---|---|---|---|---|
| CN106761649A (en) * | 2017-02-28 | 2017-05-31 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | One kind is used for water injection well line pulse method for removing blockage |
| CN107724984B (en) * | 2017-10-11 | 2020-05-12 | 中国科学技术大学 | Method for improving oil and gas recovery ratio by using pulse shock waves |
| CN108386168A (en) * | 2018-03-02 | 2018-08-10 | 湖南飞天光电科技有限公司 | Equipment for exploiting thick oil by utilizing energy-gathered pulses and using method thereof |
| CN108386168B (en) * | 2018-03-02 | 2023-10-31 | 浙江聚能电气科技有限公司 | Device for heavy oil exploitation by utilizing energy-gathering pulse and application method thereof |
| CN109403937A (en) * | 2018-11-05 | 2019-03-01 | 清华四川能源互联网研究院 | A kind of blast wave generating apparatus of oil/gas well and well production increment method using shock wave |
| CN109594946A (en) * | 2018-12-13 | 2019-04-09 | 苏州峰极电磁科技有限公司 | Stifled system is dredged under a kind of electric pulse oil well |
| CN110018101A (en) * | 2019-04-11 | 2019-07-16 | 中海石油(中国)有限公司 | A kind of mechanical experiment system for shock wave de-plugging evaluation |
| CN110018101B (en) * | 2019-04-11 | 2021-11-02 | 中海石油(中国)有限公司 | Mechanical experiment system for impact wave blockage removal evaluation |
| RU2751024C2 (en) * | 2019-12-31 | 2021-07-07 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Грозненский государственный нефтяной технический университет имени акад. М.Д. Миллионщикова" | Method for ion-plasma pulse action on low-watered oil and device for its implementation |
| CN113513293A (en) * | 2021-04-23 | 2021-10-19 | 西南石油大学 | Oil gas production increasing method based on discharge plasma pulse shock wave acidification liquid injection promotion |
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