CN112727406A - Superposed resource precise mining in-situ physical simulation experiment system and application method - Google Patents
Superposed resource precise mining in-situ physical simulation experiment system and application method Download PDFInfo
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- CN112727406A CN112727406A CN202110078694.0A CN202110078694A CN112727406A CN 112727406 A CN112727406 A CN 112727406A CN 202110078694 A CN202110078694 A CN 202110078694A CN 112727406 A CN112727406 A CN 112727406A
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 25
- 238000004088 simulation Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005065 mining Methods 0.000 title claims description 37
- 239000003245 coal Substances 0.000 claims abstract description 41
- 238000000605 extraction Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 4
- 239000005341 toughened glass Substances 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 43
- 238000012360 testing method Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000002474 experimental method Methods 0.000 claims description 11
- 238000011161 development Methods 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 5
- 208000010392 Bone Fractures Diseases 0.000 claims description 3
- 206010017076 Fracture Diseases 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000003027 oil sand Substances 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 24
- 239000010742 number 1 fuel oil Substances 0.000 abstract description 9
- 239000003034 coal gas Substances 0.000 abstract description 5
- 238000009933 burial Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/006—Production of coal-bed methane
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C45/00—Methods of hydraulic mining; Hydraulic monitors
- E21C45/02—Means for generating pulsating fluid jets
- E21C45/04—Means for generating pulsating fluid jets by use of highly pressurised liquid
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Abstract
The invention discloses an in-situ physical simulation experiment system for precisely exploiting superposed resources and an application method thereof. The invention simulates the coordinated coal gas and oil exploitation process under different oil gas corridor layouts, wherein high-pressure water jet flow is used for simulating coal bed exploitation, a flexible toughened glass tube is used for simulating a well network, an injection pump and an extraction pump are used for simulating oil gas resource exploitation, all components are closely matched, and the multi-field coupling evolution distribution rule of coordinated coal gas and oil gas exploitation is obtained, so that the coordinated coal gas and oil gas exploitation scheme is optimized, and the exploitation rate and the economic benefit of the associated resources are improved.
Description
Technical Field
The invention relates to the field of coordination and development of coal and co-associated resources, in particular to an in-situ physical simulation experiment system for superposed resource precision mining and a method for applying the experiment system.
Background
The Ordos basin has rich resources, and is accompanied by a large amount of coal bed gas, sandstone gas, petroleum and other stone resources while generating coal resources. The associated oil gas resources are generally vertically distributed below the coal resources, and the burial depth is greater than that of the coal bed. At the present stage, a system of a system is not formed in coal gas multi-resource coordinated development, and meanwhile, a plurality of problems are faced during mining, such as difficulty in drilling and constructing the oil gas on an unstable rock stratum on a goaf due to the fact that a coal seam is mined firstly, oil gas resources cannot be mined, and oil gas resource waste is caused easily due to safety accidents; oil gas is firstly extracted, a stratum collapse caused during coal seam extraction can destroy an oil gas well network, so that oil gas in a pipe network is leaked or even exploded, and if coal extraction is forbidden or a large safety coal pillar is reserved, coal resources are wasted. "a coal and oil gas green coordination exploitation system and application method (CN 201610969268.5)" and "coal and oil gas resources exploitation method and device in coal-bearing stratum (CN 201710742810.8)" put forward the development concept of oil gas corridor, the direction indicated for coal oil gas multiple resources coordination development, however, the related research of coal oil gas coordination exploitation is relatively less, and there is a fresh report on laboratory physical model test. Based on the situation, an in-situ physical simulation experiment system for precisely exploiting superposed resources is urgently needed, a coordinated coal oil and gas exploitation field is simulated, reference is provided for engineering practice, and green, safe, economic and efficient development of co-associated resources is realized.
Disclosure of Invention
The invention aims to provide an in-situ physical simulation experiment system for superposed resource precise exploitation and an application method, and the scheme mainly aims to provide an experiment system for performing physical simulation of coal-oil-gas coordinated exploitation in a laboratory, which is used for performing experiments under corresponding conditions, analyzing experiment data and revealing multi-field coupling evolution characteristics and distribution rules of a disturbed rock stratum in coal-oil-gas coordinated exploitation.
In order to achieve the purpose, the technical scheme adopted by the invention is an in-situ physical simulation experiment system for precisely exploiting superposed resources, which comprises a master control mechanism, a positive pressure pump, a negative pressure pump, a processor, a pressure maintaining pump, a flowmeter, a test piece box body, an in-situ loading system, a sensor, an injection glass tube, an extraction glass tube, similar materials, a pressure release hole, a high-pressure water jet nozzle, a stabilizing frame and a high-pressure water jet pump, wherein the master control mechanism is connected with all pump bodies and the sensor; the positive pressure pump and the negative pressure pump are respectively connected with the injection glass tube and the extraction glass tube; the test piece box body comprises a coal seam mining hole, a pressure maintaining hole and a pressure releasing hole; the pressure maintaining pump is connected with the pressure maintaining hole; the pressure maintaining holes and the pressure releasing holes are symmetrically distributed on two end faces of the test piece box body; the flow meter is respectively connected with the extraction glass pipe and the master control mechanism; the processor is connected with the master control mechanism; the high-pressure water jet spray head is respectively connected with the stabilizing frame and the high-pressure water jet pump.
The control system comprises a data acquisition instrument, is connected with all the pump bodies and the sensors, and is connected with the processor.
The simulated coal bed and the simulated oil layer are laid in the test piece box body; the simulated coal bed is laid on the upper part of the simulated oil layer; the injection glass tube and the extraction glass tube are arranged in the oil-gas corridor area;
preferably, the coal seam mining hole, the pressure maintaining hole and the pressure releasing hole are reasonably arranged on the test piece box body according to an experimental scheme;
preferably, the coal seam mining area adopts a high-pressure water jet flushing mining mode;
preferably, the injection glass pipe and the extraction glass pipe are flexible toughened glass pipes with similar strength ratio to the actual well pattern on site.
The use method of the superposed resource precision mining in-situ physical simulation experiment system comprises the following steps:
firstly, determining a geometric similarity ratio, a mechanical similarity ratio and a time similarity ratio of a model according to the engineering geological size;
secondly, checking the reliability of each component of the experiment system before the experiment;
thirdly, laying an oil sand reservoir at the bottom of the test piece box body, simultaneously laying an injection glass pipe and an extraction glass pipe, laying pressure maintaining holes at the end parts of the injection glass pipe and the extraction glass pipe, and connecting the pressure maintaining holes with a pressure maintaining pump; paving the layered similar material simulation stratums in the test piece box body from bottom to top in sequence; laying sensors such as pressure, optical fibers, strain gauges and ultrasonic waves at corresponding positions while simulating stratum laying, sealing the test piece box body after the cables are connected, and connecting each sensor with a data acquisition instrument;
fourthly, starting an in-situ loading system to apply simulated ground stress to the simulated stratum according to ground stress data actually measured on site; meanwhile, starting a pressure maintaining pump to simulate the formation pressure of an oil-bearing reservoir; starting a data acquisition instrument to monitor data;
fifthly, setting parameters of a positive pressure pump and a negative pressure pump through a control system, and simulating oil exploitation by utilizing simulated injection glass pipes and extraction glass pipes;
sixthly, starting the high-pressure water jet pump, fixing the high-pressure water jet nozzle through the stabilizing frame, and simulating coal seam mining by adjusting the high-pressure water jet nozzle to scour a simulated coal seam of a coal seam mining hole;
and seventhly, starting a processor to analyze and process the monitoring data, acquiring a rock stratum movement rule and a fracture development rule, and revealing a multi-field coupling evolution rule and distribution characteristics.
Compared with the prior art, the superposed resource precise mining in-situ physical simulation experiment system and the application method provided by the invention have the advantages that the mining of the coal bed is simulated by scouring the mining area of the coal bed through high-pressure water jet, the well pattern is simulated by adopting the flexible toughened glass pipe, the oil gas resource mining is simulated by the injection and extraction pump, and the coordinated mining of coal and oil gas superposed resources can be safely, effectively and economically simulated. The mining stratum multi-field coupling response data is obtained through an indoor physical experiment, a basis is provided for reasonably determining the layout of an oil-gas corridor, the problem of coordinated mining of coal oil gas in field practice work can be effectively guided, and the method has a good popularization and application prospect.
Drawings
FIG. 1 is a diagram illustrating the overall effect of the present invention;
FIG. 2 is a schematic front view of a test piece case and sensor arrangement;
FIG. 3 is a schematic side view of a test piece case and sensor arrangement;
FIG. 4 is a schematic top view of a test piece box and a sensor arrangement structure
Reference symbols in the drawings indicate:
1. a master control mechanism (comprising a data acquisition instrument); 2. a high-pressure water jet spray head; 3. a positive pressure pump; 4. a negative pressure pump; 5. a processor; 6. a pressure maintaining pump; 7. a flow meter; 8. a test piece box body; 9. pressure maintaining holes; 10. an in-situ loading system; 11. a sensor; 12. injecting into a glass tube; 13. extracting the glass tube; 14. mining holes in the coal seam; 15. a pressure relief vent; 16. a stabilizer frame; 17. a high pressure water jet pump; 18. similar materials.
Detailed Description
The invention will be further explained with reference to the drawings.
The superposed resource precision mining in-situ physical simulation experiment system is mainly realized by the following technical scheme, and the embodiment of the invention is described by referring to fig. 1, 2, 3 and 4:
a superposed resource precise mining in-situ physical simulation experiment system is characterized in that a master control mechanism 1 is connected with all pump bodies and sensors 11; the positive pressure pump 3 and the negative pressure pump 4 are respectively connected with the injection glass tube 12 and the extraction glass tube 13; the test piece box body 8 comprises a coal seam mining hole 14, a pressure maintaining hole 9 and a pressure releasing hole 15; the pressure maintaining pump 6 is connected with a pressure maintaining hole 9; the pressure maintaining holes 9 and the pressure releasing holes 15 are symmetrically distributed on two end faces of the test piece box body 8; the flowmeter 7 is respectively connected with the extraction glass pipe 13 and the master control mechanism 1; the processor 5 is connected with the master control mechanism 1; the high-pressure water jet nozzle 2 is respectively connected with the stabilizing frame 16 and the high-pressure water jet pump 17. The master control mechanism comprises a data acquisition instrument, is connected with all the pump bodies and the sensors and is connected with the processor 5; the simulated coal bed and the simulated oil layer are laid in the test piece box body 8; the simulated coal bed is laid on the upper part of the simulated oil layer; the injection glass tube 12 and the extraction glass tube 13 are arranged in the oil and gas corridor area.
With reference to fig. 1, 2, 3 and 4, a simulated oil layer is laid at the bottom of a test piece box body 8, a simulated coal bed is laid based on engineering geological conditions, an injection glass pipe 12, an extraction glass pipe 13 and a pressure maintaining hole 9 are respectively connected with a positive pressure pump 3, a negative pressure pump 4 and a pressure maintaining pump 6, an in-situ loading system 10 and the pressure maintaining pump 6 are started, the coal-oil gas occurrence environment is inverted, the positive pressure pump 3, the negative pressure pump 4 and a high-pressure water jet pump 17 are started, and coordinated coal-oil gas exploitation is achieved.
The experimental steps are as follows:
firstly, determining a geometric similarity ratio, a mechanical similarity ratio and a time similarity ratio of a model according to the engineering geological size;
secondly, checking the reliability of each component of the experiment system before the experiment;
thirdly, laying an oil sand reservoir at the bottom of the test piece box body 8, simultaneously laying an injection glass tube 12 and an extraction glass tube 13, laying a pressure maintaining hole 9 at the end part, and connecting the pressure maintaining pump 6; laying all layered similar materials 18 in the test piece box body 8 from bottom to top in sequence to simulate the stratum; laying sensors 11 such as pressure, optical fibers, strain gauges and ultrasonic waves at corresponding positions while simulating stratum laying, sealing the test piece box body 8 after the cables are connected, and connecting each sensor 11 with the data acquisition instrument 1;
fourthly, starting the in-situ loading system 10 to apply simulated ground stress to the simulated stratum according to ground stress data actually measured on site; simultaneously starting a pressure maintaining pump 6 to simulate the formation pressure of an oil-bearing reservoir; starting a data acquisition instrument 1 to monitor data;
fifthly, setting parameters of a positive pressure pump 3 and a negative pressure pump 4 through a control system, and simulating oil exploitation by utilizing a simulated injection glass tube 12 and a simulated extraction glass tube 13;
sixthly, starting a high-pressure water jet pump 17, fixing the high-pressure water jet nozzle 2 through a stabilizing frame 16, and simulating coal seam mining by adjusting the high-pressure water jet nozzle 2 to scour a simulated coal seam of a coal seam mining hole;
and seventhly, starting the processor 5 to analyze and process the monitoring data, acquiring a rock stratum movement rule and a fracture development rule, and revealing a multi-field coupling evolution rule and distribution characteristics.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and therefore, the scope of the present invention should be determined by the scope of the claims.
Claims (7)
1. The utility model provides an overlay accurate exploitation normal position physical simulation experiment system of resource which characterized in that: the in-situ physical simulation experiment system for the superposed resource precision mining comprises: the device comprises a master control mechanism, a positive pressure pump, a negative pressure pump, a processor, a pressure maintaining pump, a flowmeter, a test piece box body, an in-situ loading system, a sensor, an injection glass tube, an extraction glass tube, similar materials, a pressure releasing hole, a high-pressure water jet nozzle, a stabilizing frame and a high-pressure water jet pump, wherein the master control mechanism is connected with all the pump bodies and the sensor; the positive pressure pump and the negative pressure pump are respectively connected with the injection glass tube and the extraction glass tube; the test piece box body comprises a coal seam mining hole, a pressure maintaining hole and a pressure releasing hole; the pressure maintaining pump is connected with the pressure maintaining hole; the pressure maintaining holes and the pressure releasing holes are symmetrically distributed on two end faces of the test piece box body; the flow meter is respectively connected with the extraction glass pipe and the master control mechanism; the processor is connected with the master control mechanism; the high-pressure water jet spray head is respectively connected with the stabilizing frame and the high-pressure water jet pump.
2. The stacked resource precision mining in-situ physical simulation experiment system according to claim 1, wherein: the control system comprises a data acquisition instrument, is connected with all the pump bodies and the sensors, and is connected with the processor.
3. The stacked resource precision mining in-situ physical simulation experiment system according to claim 1, wherein: the simulated coal bed and the simulated oil layer are laid in the test piece box body; the simulated coal bed is laid on the upper part of the simulated oil layer; the injection glass tube and the extraction glass tube are arranged in the oil and gas corridor area.
4. The stacked resource precision mining in-situ physical simulation experiment system according to claim 1, wherein: the coal seam mining hole, the pressure maintaining hole and the pressure releasing hole are reasonably arranged on the test piece box body according to the experimental scheme.
5. The stacked resource precision mining in-situ physical simulation experiment system according to claim 1, wherein: the coal seam mining area adopts a high-pressure water jet flushing mining mode.
6. The stacked resource precision mining in-situ physical simulation experiment system according to claim 1, wherein: the injection glass pipe and the extraction glass pipe are flexible toughened glass pipes with similar strength ratio to the actual well pattern on site.
7. A use method of an in-situ physical simulation experiment system for superposed resource precision mining is characterized by comprising the following steps: the method comprises the following steps:
firstly, determining a geometric similarity ratio, a mechanical similarity ratio and a time similarity ratio of a model according to the engineering geological size;
secondly, checking the reliability of each component of the experiment system before the experiment;
thirdly, laying an oil sand reservoir at the bottom of the test piece box body, simultaneously laying an injection glass pipe and an extraction glass pipe, laying pressure maintaining holes at the end parts of the injection glass pipe and the extraction glass pipe, and connecting the pressure maintaining holes with a pressure maintaining pump; paving the layered similar material simulation stratums in the test piece box body from bottom to top in sequence; laying sensors such as pressure, optical fibers, strain gauges and ultrasonic waves at corresponding positions while simulating stratum laying, sealing the test piece box body after the cables are connected, and connecting each sensor with a data acquisition instrument;
fourthly, starting an in-situ loading system to apply simulated ground stress to the simulated stratum according to ground stress data actually measured on site; meanwhile, starting a pressure maintaining pump to simulate the formation pressure of an oil-bearing reservoir; starting a data acquisition instrument to monitor data;
fifthly, setting parameters of a positive pressure pump and a negative pressure pump through a control system, and simulating oil exploitation by utilizing simulated injection glass pipes and extraction glass pipes;
sixthly, starting the high-pressure water jet pump, fixing the high-pressure water jet nozzle through the stabilizing frame, and simulating coal seam mining by adjusting the high-pressure water jet nozzle to scour a simulated coal seam of a coal seam mining hole;
and seventhly, starting a processor to analyze and process the monitoring data, acquiring a rock stratum movement rule and a fracture development rule, and revealing a multi-field coupling evolution rule and distribution characteristics.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110078694.0A CN112727406A (en) | 2021-01-20 | 2021-01-20 | Superposed resource precise mining in-situ physical simulation experiment system and application method |
| LU500016A LU500016B1 (en) | 2021-01-20 | 2021-04-08 | In-situ physical simulation experimental system for precise mining of superimposed resources and method for applying same |
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| CN202110078694.0A CN112727406A (en) | 2021-01-20 | 2021-01-20 | Superposed resource precise mining in-situ physical simulation experiment system and application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022252997A1 (en) * | 2021-06-03 | 2022-12-08 | 安徽理工大学 | Intelligent experimental apparatus for collaborative mining of co-associated resources |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202081909U (en) * | 2011-06-14 | 2011-12-21 | 河南理工大学 | Dynamic monitoring simulating device for influence radius during coal bed methane well extraction |
| KR101527959B1 (en) * | 2014-01-06 | 2015-06-16 | 한양대학교 산학협력단 | Simulation system of Production well tubing |
| CN105064977A (en) * | 2015-08-03 | 2015-11-18 | 中国矿业大学 | Arrangement method of vertical oil and gas well penetrating through coal seam long wall mining area |
| CN206290248U (en) * | 2016-08-16 | 2017-06-30 | 河南理工大学 | The device of Oil/gas Well change under a kind of practical simulation mining influence |
| CN107448178A (en) * | 2017-08-25 | 2017-12-08 | 平安煤炭开采工程技术研究院有限责任公司 | Coal-bearing strata coal and petroleum resources recovery method and device |
| CN110738915A (en) * | 2019-10-30 | 2020-01-31 | 安徽理工大学 | coal-uranium co-mining multi-field coupling experiment table and application method |
| CN214660078U (en) * | 2021-01-20 | 2021-11-09 | 安徽理工大学 | Superposed resource accurate mining in-situ physical simulation experiment system |
-
2021
- 2021-01-20 CN CN202110078694.0A patent/CN112727406A/en active Pending
- 2021-04-08 LU LU500016A patent/LU500016B1/en active IP Right Grant
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202081909U (en) * | 2011-06-14 | 2011-12-21 | 河南理工大学 | Dynamic monitoring simulating device for influence radius during coal bed methane well extraction |
| KR101527959B1 (en) * | 2014-01-06 | 2015-06-16 | 한양대학교 산학협력단 | Simulation system of Production well tubing |
| CN105064977A (en) * | 2015-08-03 | 2015-11-18 | 中国矿业大学 | Arrangement method of vertical oil and gas well penetrating through coal seam long wall mining area |
| CN206290248U (en) * | 2016-08-16 | 2017-06-30 | 河南理工大学 | The device of Oil/gas Well change under a kind of practical simulation mining influence |
| CN107448178A (en) * | 2017-08-25 | 2017-12-08 | 平安煤炭开采工程技术研究院有限责任公司 | Coal-bearing strata coal and petroleum resources recovery method and device |
| CN110738915A (en) * | 2019-10-30 | 2020-01-31 | 安徽理工大学 | coal-uranium co-mining multi-field coupling experiment table and application method |
| CN214660078U (en) * | 2021-01-20 | 2021-11-09 | 安徽理工大学 | Superposed resource accurate mining in-situ physical simulation experiment system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022252997A1 (en) * | 2021-06-03 | 2022-12-08 | 安徽理工大学 | Intelligent experimental apparatus for collaborative mining of co-associated resources |
| US11953512B2 (en) | 2021-06-03 | 2024-04-09 | Anhui University of Science and Technology | Intelligent experimental device for collaborative mining of associated resources |
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