CN206309342U - Low-permeability oil deposit water plugging and profile controlling on-line monitoring system - Google Patents
Low-permeability oil deposit water plugging and profile controlling on-line monitoring system Download PDFInfo
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- CN206309342U CN206309342U CN201720335023.7U CN201720335023U CN206309342U CN 206309342 U CN206309342 U CN 206309342U CN 201720335023 U CN201720335023 U CN 201720335023U CN 206309342 U CN206309342 U CN 206309342U
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Abstract
The utility model discloses a kind of low-permeability oil deposit water plugging and profile controlling on-line monitoring system, including distributing room for water injection water filling subsystem, Profile Control in Injection Well subsystem and control subsystem, Profile Control in Injection Well subsystem includes medicine-adding bin, NaOH solution tank NaOH and injection pump, accurate measurement pump is provided between medicine-adding bin and NaOH solution tank NaOH, electromagnetic flowmeter is provided between NaOH solution tank NaOH and injection pump, the uphole end of water injection well is provided with pressure gauge and pressure transmitter, control subsystem includes data analysis processor, memory, timer, USB interface and data transmission unit, the input of data analysis processor is terminated with video collector, the output of data analysis processor is terminated with audible-visual annunciator, display screen and the steering wheel module for driving cloud platform rotation, data transmission unit includes router and the server being connected with router and public network port.The utility model realizes the continuous with liquid, the dynamic regulation measured the need for meeting Profile Control in Injection Well liquid, real time on-line monitoring profile control of profile control agent.
Description
Technical field
The utility model belongs to Profile Control in Injection Well technical field, and in particular to a kind of low-permeability oil deposit water plugging and profile controlling is supervised online
Examining system.
Background technology
At present, low-permeability oil deposit water plugging and profile controlling scene is more is disposably equipped with substantial amounts of profile control agent using NaOH solution tank NaOH, actually makes
In, the disposable a large amount of profile control agents being equipped with all are pumped into water injection well carries out water blockoff, and the usage amount of profile control agent can not be accurate
It is measured, the excess or shortcoming of profile control agent are easily caused, the excess of profile control agent causes the wasting of resources, and cost increases, profile control agent
Shortcoming causes water plugging effect bad, in the case of continuously not matching somebody with somebody liquid and continuous metering device at the scene, it is impossible to which realization is continuously matched somebody with somebody
Liquid, directly affects the implementation of profile control and water plugging technique, and design meets the profile control and water plugging special equipment of profile control and water plugging technological requirement, carved
Do not allow to delay；Therefore, nowadays lack a kind of low-permeability oil deposit water plugging and profile controlling on-line monitoring system, realize in work progress, meet
Corresponding collaboration contact between injection pressure, injection length, injection discharge capacity, accumulative injection rate, it is ensured that the note of heavy dose of profile control solution
While entering, it is ensured that blocking agent reaches and is prematurely crosslinked, precipitates and expands, it is ensured that the purpose of profile control and water plugging effect.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of hypotonic
Saturating oil reservoir water plugging and profile controlling on-line monitoring system, it is novel in design rationally, and that realizes profile control agent continuously matches somebody with somebody liquid, meets Profile Control in Injection Well
The dynamic regulation measured the need for liquid, real time on-line monitoring profile control, it is ensured that construction effect is easy to promote the use of.
In order to solve the above technical problems, the technical solution adopted in the utility model is：Low-permeability oil deposit water plugging and profile controlling is online
Monitoring system, it is characterised in that：Including distributing room for water injection water filling subsystem, Profile Control in Injection Well subsystem and for monitoring the note on-line
The control subsystem of well profile modification subsystem operation, the Profile Control in Injection Well subsystem includes filling line and is successively set on
It is used to allocate the medicine-adding bin of profile control agent, the NaOH solution tank NaOH for storing deployed profile control agent and to water injection well on the filling line
The injection pump of profile control agent is pumped into, the pipeline section connected between medicine-adding bin and NaOH solution tank NaOH on the filling line is metal hose, described
Accurate measurement pump is installed on metal hose, is provided with the pipeline section connected between NaOH solution tank NaOH and injection pump on the filling line
Electromagnetic flowmeter for gathering the profile control agent flux of NaOH solution tank NaOH output, is provided with for uniform stirring profile control agent in medicine-adding bin
Mixer, the top of NaOH solution tank NaOH is provided with radar level gauge, and the uphole end of water injection well is provided with for gathering and shows distributing room for water injection
Water filling subsystem is to the pressure gauge of injection pressure and the pressure transmitter being connected with pressure gauge, the control subsystem bag
Include data analysis processor and the memory that is connected with data analysis processor, timer, the USB for data copy connect
Mouthful and for the data transmission unit of remote transmission low-permeability oil deposit water plugging and profile controlling field working conditions, the input of data analysis processor
It is terminated with the video collector for gathering low-permeability oil deposit water plugging and profile controlling field working conditions information, the output of data analysis processor
Audible-visual annunciator, display screen and the steering wheel module for driving cloud platform rotation are terminated with, video collector is arranged on head, thunder
Pass through at field data acquisition unit and data analysis up to liquid level gauge, pressure transmitter, electromagnetic flowmeter and video collector
The input connection of device is managed, the data transmission unit includes router and the server being connected with router and public network end
Mouthful.
Above-mentioned low-permeability oil deposit water plugging and profile controlling on-line monitoring system, it is characterised in that：Also include digital control platform, the number
Control platform is communicated by router with data analysis processor, and the output of digital control platform is terminated with printer.
Above-mentioned low-permeability oil deposit water plugging and profile controlling on-line monitoring system, it is characterised in that：The public network port is interior embossing
The peanut rod of raw shell.
Above-mentioned low-permeability oil deposit water plugging and profile controlling on-line monitoring system, it is characterised in that：The field data acquisition unit
Including the program control increase amplifier of multichannel and program control with described in multichannel increase the data collecting card that is all connected with of amplifier.
Above-mentioned low-permeability oil deposit water plugging and profile controlling on-line monitoring system, it is characterised in that：It is described it is program control increase amplifier be
The programmable gain instrumentation amplifiers of PGA205.
Above-mentioned low-permeability oil deposit water plugging and profile controlling on-line monitoring system, it is characterised in that：The video collector is focal length
Adjustable high-definition camera, the high-definition camera passes through coaxial video cable by transmission of video images to Data Analysis Services
Device.
The utility model has advantages below compared with prior art：
1st, the utility model adds liquid using medicine-adding bin stirring makes profile control solution configure uniformly, using the accurate pump of accurate measurement pump
Enter the profile control solution of actual requirement, it is to avoid the profile control solution of allotment is all disposably pumped into water injection well, the waste of solution is caused, just
In promoting the use of.
2nd, the utility model passes through distributing room for water injection water filling subsystem, matching somebody with somebody between Profile Control in Injection Well subsystem and control subsystem
Close, meet corresponding collaboration connection between water injection well injection pressure and profile control solution injection length, injection discharge capacity, accumulative injection rate
System, reliable and stable, using effect is good, while using wireless data remote transmission, it is real by installing public network port on the router
Public network is now supported, the effect of supervisor's remote online monitoring is met.
3rd, the utility model monitors field working conditions on-line by way of long-range monitoring, reduces the use of labour, is easy to
Promote the use of.
In sum, the utility model is novel in design rationally, and that realizes profile control agent continuously matches somebody with somebody liquid, meets Profile Control in Injection Well liquid
The need for the dynamic regulation measured, real time on-line monitoring profile control, it is ensured that construction effect is easy to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-distributing room for water injection water filling subsystem；2-water injection well；3-water filling layer；
4-infiltration lane；5-pressure gauge；6-pressure transmitter；
7-injection pump；8-electromagnetic flowmeter；9-radar level gauge；
10-NaOH solution tank NaOH；11-accurate measurement pump；12-medicine-adding bin；
13-mixer；14-metal hose；15-video collector；
16-timer；17-memory；
18-field data acquisition unit；19-data analysis processor；
20-display screen；21-steering wheel module；22-head；
23-audible-visual annunciator；24-USB interface；25-router；
26-server；27-public network port；28-digital control platform.
Specific embodiment
As depicted in figs. 1 and 2, low-permeability oil deposit water plugging and profile controlling on-line monitoring system described in the utility model, including match somebody with somebody
Water filling subsystem 1, Profile Control in Injection Well subsystem and the control for monitoring the Profile Control in Injection Well subsystem operation on-line between water
Subsystem, the Profile Control in Injection Well subsystem includes filling line and is successively set on the filling line to be used to allocate to adjust
Cut open the medicine-adding bin 12 of agent, the NaOH solution tank NaOH 10 for storing deployed profile control agent and the injection pump of profile control agent is pumped into water injection well 2
7, the pipeline section connected between medicine-adding bin 12 and NaOH solution tank NaOH 10 on the filling line is metal hose 14, on the metal hose 14
Accurate measurement pump 11 is installed, be provided with the pipeline section connected between NaOH solution tank NaOH 10 and injection pump 7 on the filling line for
The electromagnetic flowmeter 8 of the profile control agent flux of the collection output of NaOH solution tank NaOH 10, is provided with for uniform stirring profile control agent in medicine-adding bin 12
Mixer 13, the top of NaOH solution tank NaOH 10 is provided with radar level gauge 9, and the uphole end of water injection well 2 is provided with for gathering and shows
Show distributing room for water injection water filling subsystem 1 to the pressure gauge 5 of the water injection pressure of water injection well 2 and the pressure transmitter 6 being connected with pressure gauge 5, institute
Stating control subsystem includes data analysis processor 19 and the memory 17, timer being connected with data analysis processor 19
16th, for data copy USB interface 24 and the data transfer for remote transmission low-permeability oil deposit water plugging and profile controlling field working conditions
Unit, the input of data analysis processor 19 is terminated with the video for gathering low-permeability oil deposit water plugging and profile controlling field working conditions information
Collector 15, the output of data analysis processor 19 is terminated with audible-visual annunciator 23, display screen 20 and for driving 22 turns of head
Dynamic steering wheel module 21, video collector 15 is arranged on head 22, radar level gauge 9, pressure transmitter 6, electromagnetic flowmeter 8
It is connected with the input of data analysis processor 19 by field data acquisition unit 18 with video collector 15, the data
Transmission unit includes router 25 and the server 26 being connected with router 25 and public network port 27.
Medicine-adding bin 12, NaOH solution tank NaOH 10 and injection pump 7 are set gradually on filling line, it is therefore an objective to by profile control agent from being configured to pump
Enter water injection well 2 and realize integrated design, it is to avoid disposably configure substantial amounts of profile control solution and be all injected into water injection well 2, realize
The controllable operating of profile control flow quantity in water injection well 2, metal hose 14 is disposed to profile control deployed in medicine-adding bin 12
Agent is passed through in NaOH solution tank NaOH 10, is easy to medicine-adding bin 12 and the arbitrary installation position of NaOH solution tank NaOH 10, can meet ground dosing, prevents workman
Work high above the ground, reduces potential safety hazard；The setting of accurate measurement pump 11 is in order to realize being input into profile control solution at regular time and quantity, it is ensured that profile control solution
The stability and accuracy of addition, using the usage amount of the accumulative superposition profile control solution of electromagnetic flowmeter 8, the setting of radar level gauge 9
Be in order to detect the height of liquid level in NaOH solution tank NaOH 10, it is actually used in, the height of liquid level can not be too high in NaOH solution tank NaOH 10, can not
Too low, the height of liquid level is too high in NaOH solution tank NaOH 10, easily causes that the pressure of NaOH solution tank NaOH 10 is excessive or even spilling of solution, NaOH solution tank NaOH 10
The height of middle liquid level is too low, and liquid storage amount is not enough in easily causing NaOH solution tank NaOH 10, causes the demand deficiency of injection pump 7；Pressure gauge 5 and pressure
The setting purpose of power transmitter 6 is the pressure value for gathering water injection well 2 simultaneously, and it is quick that pressure gauge 5 one can meet site operation personnel
Pressure value is intuitively observed, two is intuitively to check water filling to pass through the long-range monitoring personnel for checking scene of video collector 15
The pressure of well 2, pressure transmitter 6 can be transmitted to control subsystem the pressure data of water injection well 2, the setting of timer 16 be for
Calculating water injection time, it is to avoid more moisture are brought to the water filling of infiltration lane 4 to oil well without discovering due to long-time, is dropped
Low tar productivity, being disposed to of USB interface 24 is avoided during without network, and data cannot be gathered, and USB interface 24 is inserted using USB flash disk,
Out, manufacturing history curve and video pictures make the data copy that directly data analysis processor 19 is obtained for later stage reference
With the setting of head 22 is realized to install video collector 15 and driving video collector 15 to rotate by the rotation of itself
360 ° of collection site video image informations without dead angle, the control head 22 rotational angle change high precision of steering wheel module 21, service
The monitoring system that is set to of device 26 introduces network environment, equipment is connected into network environment using router 25, while router
25 data communication that can realize multiple communication equipments, the setting of public network port 27 is logical by mobile phone or computer for monitoring personnel
The site operation video image information that public network checks the collection of video collector 15 is crossed, on-line monitoring site operation is realized.
Preferred pressure transmitter 6 uses pressure measurement range to meet water injection pressure number for the pressure transmitter of 0~40MPa
According to collection demand, pressure gauge 5 uses stainless steel pressure table, and anti-vibration effect is good.
As shown in figure 1, in the present embodiment, also including digital control platform 28, the digital control platform 28 is by router 25 and number
Communicated according to analysis processor 19, the output of digital control platform 28 is terminated with printer.
Digital control platform 28 preferably uses industrial computer, and the collection for live overall data is preserved, and at later data
Reason, generates form and installs printer, meets printing demand.
In the present embodiment, the public network port 27 is the peanut rod of embedded peanut shell.
In the present embodiment, the field data acquisition unit 18 include multichannel it is program control increase amplifier and with described in multichannel
The data collecting card that program control increase amplifier is all connected with, the program control increase amplifier is put for the programmable gain instruments of PGA205
Big device.
In actually used, electromagnetic flowmeter, radar level gauge, the data of pressure transmitter collection are by 4~20mA electricity
Stream signal output, field data acquisition unit 18 be disposed to by current signal be converted to voltage signal and filtering go dry putting
Greatly, the processing requirement of data analysis processor 19 is met, data analysis processor 19 is preferably using Intel (Intel) to strong
E5-1650v2 processors, the low-power consumption response time is short.
In the present embodiment, the video collector 15 is the high-definition camera of focus adjustable, and the high-definition camera passes through
Coaxial video cable is by transmission of video images to data analysis processor 19.
Operating method of the present utility model is：Monitoring system is initialized by the way of electrification reset, it is determined that prison
Examining system is normally used, and sets water injection well pressure prediction threshold value, by water injection well pressure prediction threshold value storage in memory 17
In；Distributing room for water injection water filling subsystem 1 is that water injection well 2 injects pressure, and the pressure of water injection well 2 is obtained using pressure transmitter 6, and will note
The pressure value of well 2 is pre-processed by field data acquisition unit 18, is obtained the pressure actual value of water injection well 2 and is transmitted to data
Analysis processor 19, meanwhile, remote monitor can use remote terminal, by the remote access router 25 of public network port 27, look into
The video image information of the collection of video collector 15 is seen, video collector 15 is the high-definition camera of focus adjustable, by data
Analysis processor 21 drives head 22 to be driven, the dynamic collection site image information of high-definition camera, checks that pressure gauge 5 is real
The pressure actual value of the water injection well 2 of border measurement, the pressure actual value is not more than water injection well pressure prediction threshold value；
Profile control site operation personnel carry out configuration profile control agent to be used according to the ratio for adding liquid in medicine-adding bin 12, together
Shi Caiyong mixers 13 are stirred to the profile control agent to be used that medicine-adding bin 12 is configured, it is ensured that profile control agent to be used is fully equal
Even dissolving, after profile control agent configuration successful to be used, in pumping into NaOH solution tank NaOH 10 by accurate measurement pump 11；According to advance acquisition
Low-permeability oil deposit depth prediction value, calculates the speed that profile control agent is fed through infiltration lane section, wherein, profile control agent is adjusted after configuring
The time for cuing open agent crosslinking determines that the liquid level of profile control agent is obtained using radar level gauge 9, and data analysis processor 19 is controlled
Dispenser pump 7 pumps out profile control agent speed, while the flow that the collection profile control agent output of electromagnetic flowmeter 8 is used；Remembered using timer 16
Record distributing room for water injection water filling subsystem 1 is the time that is actually implanted into of the injection pressure of water injection well 2, and reading water injection well 2 is current in real time
Pressure actual value；
It is that water injection well 2 injects pressure not at any time beforehand through the setting distributing room for water injection water filling of data analysis processor 19 subsystem 1
Between change injection length threshold value, and store in memory 17, when timer 16 record be actually implanted into the time more than storage
During the injection length threshold value stored in device 17, illustrate that monitoring system work is abnormal, the control acousto-optic report of data analysis processor 19
The alert prompting of device 23 site operation personnel check monitoring system working condition, while the control He of dispenser pump 7 of data analysis processor 19
Accurate measurement pump 11 shuts down；When timer 16 record be actually implanted into time no more than memory 17 in store injection when
Between threshold value when, illustrate that monitoring system is working properly, the current pressure reality of the water injection well 2 that pressure transmitter 6 or pressure gauge 5 are obtained
Value, to water injection well pressure prediction threshold value, data analysis processor 19 is by radar level gauge 9, pressure transmitter 6 and electromagnetic flowmeter
The remote online of data router 25 transmission of 8 collections.
In the present embodiment, liquid level that job site is shown in real time, the profile control agent flux for using, water injection well 2 pressure with
And live video image information transfer, to digital control platform 28 or remote terminal, liquid level, flow, pressure parameter to collection are drawn and are gone through
History curve and data sheet are easy to use for post analysis treatment, without carrying out professional training to user of service.
The above, is only preferred embodiment of the present utility model, and not the utility model is imposed any restrictions, every
Any simple modification, change and the equivalent structure change made to above example according to the utility model technical spirit, still
Belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. low-permeability oil deposit water plugging and profile controlling on-line monitoring system, it is characterised in that：Including distributing room for water injection water filling subsystem (1), water filling
Well profile control subsystem and the control subsystem for monitoring the Profile Control in Injection Well subsystem operation on-line, the Profile Control in Injection Well
Subsystem includes filling line and is successively set on the filling line being used to allocate the medicine-adding bin (12) of profile control agent, being used for
The NaOH solution tank NaOH (10) for storing deployed profile control agent and the injection pump (7) that profile control agent is pumped into water injection well (2), the filling line
The pipeline section connected between upper medicine-adding bin (12) and NaOH solution tank NaOH (10) is metal hose (14), is provided with the metal hose (14)
Accurate measurement pump (11), be provided with the pipeline section connected between NaOH solution tank NaOH (10) and injection pump (7) on the filling line for
The electromagnetic flowmeter (8) of the profile control agent flux of collection NaOH solution tank NaOH (10) output, is provided with for uniform stirring in medicine-adding bin (12)
The mixer (13) of profile control agent, the top of NaOH solution tank NaOH (10) is provided with radar level gauge (9), and the uphole end of water injection well (2) is set
There are for gathering and show pressure gauge (5) and and pressure gauge of distributing room for water injection water filling subsystem (1) to water injection well (2) water injection pressure
(5) connection pressure transmitter (6), the control subsystem include data analysis processor (19) and with data analysis at
Memory (17), timer (16), the USB interface (24) for data copy and low for remote transmission of reason device (19) connection
The data transmission unit of oil reservoir water plugging and profile controlling field working conditions is permeated, the input of data analysis processor (19) is terminated with for gathering
The video collector (15) of low-permeability oil deposit water plugging and profile controlling field working conditions information, the output of data analysis processor (19) is terminated with
Audible-visual annunciator (23), display screen (20) and the steering wheel module (21) for driving head (22) to rotate, video collector (15)
On head (22), radar level gauge (9), pressure transmitter (6), electromagnetic flowmeter (8) and video collector (15) are
It is connected with the input of data analysis processor (19) by field data acquisition unit (18), the data transmission unit includes
Router (25) and the server (26) being connected with router (25) and public network port (27).
2. according to the low-permeability oil deposit water plugging and profile controlling on-line monitoring system described in claim 1, it is characterised in that：Also include numerical control
Platform (28), the digital control platform (28) is communicated by router (25) with data analysis processor (19), digital control platform (28)
Output be terminated with printer.
3. according to the low-permeability oil deposit water plugging and profile controlling on-line monitoring system described in claim 1, it is characterised in that：The public network end
Mouth (27) is the peanut rod of embedded peanut shell.
4. according to the low-permeability oil deposit water plugging and profile controlling on-line monitoring system described in claim 1, it is characterised in that：The live number
According to collecting unit (18) is including the program control increase amplifier of multichannel and program control with described in multichannel increases the data that are all connected with of amplifier
Capture card.
5. according to the low-permeability oil deposit water plugging and profile controlling on-line monitoring system described in claim 4, it is characterised in that：The program control increasing
Big amplifier is the programmable gain instrumentation amplifiers of PGA205.
6. according to the low-permeability oil deposit water plugging and profile controlling on-line monitoring system described in claim 1, it is characterised in that：The video is adopted
Storage (15) is the high-definition camera of focus adjustable, the high-definition camera by coaxial video cable by transmission of video images extremely
Data analysis processor (19).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720335023.7U CN206309342U (en) | 2017-03-31 | 2017-03-31 | Low-permeability oil deposit water plugging and profile controlling on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720335023.7U CN206309342U (en) | 2017-03-31 | 2017-03-31 | Low-permeability oil deposit water plugging and profile controlling on-line monitoring system |
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| Publication Number | Publication Date |
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| CN206309342U true CN206309342U (en) | 2017-07-07 |
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ID=59248980
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894786A (en) * | 2017-03-31 | 2017-06-27 | 西安特耐测控仪器有限公司 | Low-permeability oil deposit water plugging and profile controlling on-line monitoring system and method |
| CN109191817A (en) * | 2018-08-28 | 2019-01-11 | 北京普赛斯智能科技有限公司 | Integrated form water plugging and profile controlling data collector and its data processing method |
| CN110552670A (en) * | 2019-08-16 | 2019-12-10 | 中国石油天然气股份有限公司 | Block overall profile adjusting device and method for oil field |
| CN110792420A (en) * | 2019-10-30 | 2020-02-14 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Online preparation and leakage stoppage process for repairing lost circulation gas well |
| CN117662100A (en) * | 2024-02-02 | 2024-03-08 | 中国石油大学(华东) | Fractured reservoir plugging control system and method of magnetic microspheres under multiple magnetic control |
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2017
- 2017-03-31 CN CN201720335023.7U patent/CN206309342U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894786A (en) * | 2017-03-31 | 2017-06-27 | 西安特耐测控仪器有限公司 | Low-permeability oil deposit water plugging and profile controlling on-line monitoring system and method |
| CN106894786B (en) * | 2017-03-31 | 2022-11-11 | 西安特耐测控仪器有限公司 | Low-permeability reservoir water shutoff profile control online monitoring system and method |
| CN109191817A (en) * | 2018-08-28 | 2019-01-11 | 北京普赛斯智能科技有限公司 | Integrated form water plugging and profile controlling data collector and its data processing method |
| CN110552670A (en) * | 2019-08-16 | 2019-12-10 | 中国石油天然气股份有限公司 | Block overall profile adjusting device and method for oil field |
| CN110792420A (en) * | 2019-10-30 | 2020-02-14 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Online preparation and leakage stoppage process for repairing lost circulation gas well |
| CN110792420B (en) * | 2019-10-30 | 2022-04-01 | 中国石油天然气集团有限公司 | Online preparation and leakage stoppage process for repairing lost circulation gas well |
| CN117662100A (en) * | 2024-02-02 | 2024-03-08 | 中国石油大学(华东) | Fractured reservoir plugging control system and method of magnetic microspheres under multiple magnetic control |
| CN117662100B (en) * | 2024-02-02 | 2024-04-26 | 中国石油大学(华东) | Fractured reservoir plugging control system and method of magnetic microspheres under multiple magnetic control |
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