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132 results about "Mine site" patented technology

Mining area methane emission inversion method based on satellite observation and Gaussian plume model

The invention discloses a mining area methane emission inversion method based on satellite observation and a Gaussian plume model. The method comprises the following steps: S1, acquiring a satellite inversion XCH4 data set, meteorological data, emission list data and global energy monitoring data; s2, determining a methane emission source and a research area in a geographic map by using the emission list data and the global energy monitoring data; s3, obtaining methane background concentration and XCH4 enhancement in the geographic map by using an atmospheric background concentration calculation method; s4, combining XCH4 enhanced spatial distribution and meteorological data in a geographic map to identify a methane enhanced plume of a methane emission source in the research area; and S5, performing Gaussian plume flow field simulation inversion of the methane emission source through the Gaussian plume model, and outputting the methane emission rate of the methane emission source at the current time through inversion of the Gaussian plume model. According to the method, the methane emission and the time sequence data of the methane emission can be obtained through accurate inversion, the frequency of obtaining the methane emission is improved, and the methane emission can be obtained according to time scale accumulation.
Owner:NANKAI UNIV +1

Material grabbing machine with continuous transportation capacity and bulk material continuous loading and unloading method

The invention discloses a material grabbing machine with continuous transportation capacity, relates to the field of engineering machinery, and is suitable for bulk material loading and unloading scenes such as ports and mine fields. Aiming at the problems of low efficiency, easiness in structure damage, poor adaptability in narrow places and the like in the process of'grabbing-rotating-discharging 'of a traditional material grabbing machine, the material grabbing machine comprises a material grabbing machine main body, a shell hopper, a hopper system fixed on a base and an inclined belt conveyor system, a hopper inclination angle control system is additionally arranged, and the operation process is optimized to be'grabbing-discharging'; during operation, the shell hopper grabs bulk materials and then moves to the position above the hopper system for discharging, the angle of the hopper is adjusted through the inclination angle control system, the bulk materials are guided to the conveyor system and directionally conveyed to a transport tool, and a machine body does not need to rotate. The operation efficiency is improved, the structural stress of equipment is reduced, the service life is prolonged, the device is suitable for narrow sites, and secondary transfer is not needed.
Owner:XCMG EXCAVATOR MACHINERY CO LTD

Opencast coal mine safety control method and device, electronic equipment and storage medium

The invention provides an open pit coal mine safety management and control method and device, electronic equipment and a storage medium, and relates to the technical field of mine field safety protection. The position of a key person is obtained in real time, whether the key person enters a corresponding operation area or not is verified, associated video monitoring is automatically triggered according to the in-place state of the person, safety measure execution is verified through real-time mapping of a video stream and an operation process state, and early warning is conducted when the safety measure execution is abnormal. The problems that in the prior art, due to the fact that a'process-position-video 'triple closed-loop verification mechanism is not formed and multi-source data space-time alignment and dynamic verification are not achieved, the security measure execution rate is insufficient, supervision lags behind, positioning data staticization is caused, video coverage is not matched, approval information is delayed, and data errors exist can be solved.
Owner:BEIFANG WEIJIAMAO COAL POWER CO LTD

Mine field early warning area division method and related equipment

The embodiment of the invention provides a mine field early warning area division method and related equipment, and the method comprises the steps: obtaining monitoring data at a plurality of preset monitoring points, the monitoring data comprising position data and corresponding physical monitoring data; constructing a spatial distribution diagram based on the position data on the plurality of preset monitoring point positions and the corresponding physical monitoring data; identifying a plurality of abnormal monitoring points in the spatial distribution diagram through an early warning safety model; determining an early warning area boundary based on the plurality of abnormal monitoring points; and generating a corresponding visual partition result in the spatial distribution diagram based on the early warning region boundary. Through the steps of the method, the areas with risks in the mine field can be identified based on the three-dimensional space information and the physical monitoring data of the monitoring points, dynamic early warning division of area levels is realized, the space distribution condition of the mine field risks is reflected, and the safety management efficiency of the mine is improved.
Owner:GUIZHOU KAI PHOSPHORUS CO LTD +1

Three-dimensional lithium battery mine visualization system based on digital twinning

The invention provides a three-dimensional lithium battery mine visualization system based on digital twinning, and the system comprises a physical sensing layer which is disposed at a lithium battery mine site, and comprises a plurality of sensor networks used for collecting geologic bodies, production equipment, environment parameters, personnel positions, and vehicle states; and the data interaction layer comprises a data integration platform and an edge computing node, and is used for carrying out cleaning, fusion, protocol conversion and edge side preliminary analysis on the multi-source heterogeneous data uploaded by the physical sensing layer, and uploading the multi-source heterogeneous data to a cloud. By integrating the slope monitoring sensor and the professional analysis model, real-time evaluation and advanced early warning of the slope stability and the tailing pond safety are achieved, major accidents such as collapse and dam break are effectively prevented, meanwhile, the harmful element diffusion model is utilized, and the safety of the tailing pond is improved. Migration paths of fluoride dust, radioactive substances and potential leakage pollutants in the atmosphere and the water system are dynamically simulated, accurate decision support is provided for environmental risk emergency response, and the influence on surrounding ecology is reduced to the maximum extent.
Owner:宜春市锂电行业数字化转型促进协会

System and method for supporting elevated power rails

A modular structure supports elevated rail segments for delivering electrical power to a moving work machine, such as a hauler at a mining site. Opposite ends of a roadside barrier contain complementary tubular couplers arranged vertically. A lower end of a dielectric post positioned in one of the tubular couplers has opposing dielectric plates at an upper end. A top edge of each plate has a creepage concavity between a pair of rail recesses. Another dielectric post of similar configuration is positioned in the other of the tubular couplers. Holes within the couplers and the posts ensure alignment of respective rail recesses in which conductive rails are placed. Dielectric inserts frictionally lock the rails into the rail recesses.
Owner:CATERPILLAR GLOBAL MINING EQUIPMENT LLC

Multi-view video data generation method for unstructured mining area scene

The invention discloses a multi-view video data generation method for an unstructured mining area scene, and relates to the technical field of automatic driving. The method comprises the following steps: firstly, constructing BEV expression fusing mine terrain geometry and semantics, and generating a dangerous area mask and a scene graph; secondly, converting a test requirement into a parameterized scene script; then, training a semantic terrain world model which takes a Diffusion Transform as a backbone and introduces a dangerous area priority mask mechanism; and finally, generating a semantic topography BEV of a time sequence and an equipment track by using the world model under the driving of a scene script, and further synthesizing a multi-view and geometrically consistent mining area driving video sequence which conforms to safety constraints. According to the method, the problems of lack of unstructured mining area scene training data, high acquisition cost and high risk are solved, high-quality video data covering long-tail dangerous working conditions can be efficiently and controllably generated, and the perceptual generalization ability and safety of a mining area automatic driving system are remarkably improved.
Owner:BEIHANG UNIV

System and method for supporting elevated power rails

A modular structure supports elevated rail segments for delivering electrical power to a moving work machine, such as a hauler at a mining site. Opposite ends of a roadside barrier contain complementary tubular couplers arranged vertically. A lower end of a dielectric post positioned in one of the tubular couplers has opposing dielectric plates at an upper end. A top edge of each plate has a creepage concavity between a pair of rail recesses. Another dielectric post of similar configuration is positioned in the other of the tubular couplers. Holes within the couplers and the posts ensure alignment of respective rail recesses in which conductive rails are placed. Dielectric inserts frictionally lock the rails into the rail recesses.
Owner:CATERPILLAR GLOBAL MINING EQUIPMENT LLC

Gas-water seepage field simulation method based on multi-scale analysis

The invention discloses a multi-scale analysis-based gas-water seepage field simulation method, which specifically comprises the following steps of: based on a digital rock core reconstructed by a CT (Computed Tomography) scanning image of a typical rock sample of a target reservoir, adopting a microcosmic pore network flow simulation technology; the change rule of the stratum seepage capacity in different stratum pressure gradients and water drive processes, the use degree of a pore network and the water drive process in a pore are calculated, and then a correlation chart with the rock permeability and the pressure gradients is established and used for rapid measurement and calculation of the actual reserve use degree and the recovery degree of the water-invaded sandstone gas reservoir. The method starts from a rock microcosmic pore channel, the scale is amplified to a macroscopic oil reservoir during application, the method has the cross-scale characteristic, and the method is used for rapidly measuring, calculating and evaluating the reserve utilization degree and the recovery degree of the actual water-invaded sandstone gas reservoir and is beneficial to rapid development of the gas reservoir engineering scheme design in a mine field.
Owner:PETROCHINA CO LTD

Mine site ecological management system cockpit graphical user interface for electronic devices

ActiveCN309900463SEngineeringState diagram
1. The name of the design product: mine ecological management system cockpit graphical user interface for electronic equipment. 2. The use of the design product: for an electronic device. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: front view. 5. The electronic device is a conventional design, and other views are omitted. 6. The use of the graphical user interface: for controlling the operation interface. 7. The human-computer interaction mode of the graphical user interface: the interface runs on a computer as the main interface of the system, is used for work collaboration management, enters the interface change state diagram after clicking the house logo in the upper right corner of the main interface, the middle of the diagram is a map and point position, the left and right sides are various data statistical charts, and the bottom is project information. The specific value can be displayed by stopping the mouse on the chart.
Owner:HUADIAN COAL IND GRP +1

A mine site operation risk level assessment system

The present application relates to the technical field of mine risk assessment, and discloses a mine operation risk grade assessment system. The geological data acquisition module of the system identifies potential rock layer instability risk areas through multidimensional sensing monitoring and hierarchical clustering algorithm; the mine image analysis module labels thermal anomaly feature areas with the help of thermal infrared image acquisition and feature separation and pattern recognition; the risk area synthesis module integrates the two areas to generate a comprehensive risk monitoring area; the structure displacement evaluation module analyzes rock layer displacement vector changes to determine abnormal fluctuation degree; the ground pressure interaction evaluation module analyzes rock layer stress and groundwater pressure interaction to evaluate geological stress field coupling imbalance index; and the risk grade determination module determines the risk grade classification of the comprehensive risk monitoring area according to the above evaluation results, which can comprehensively and accurately evaluate mine operation risk and ensure operation safety. The system improves the accuracy of rock mass stability judgment and can detect potential rock layer instability hazards earlier.
Owner:SHAANXI JINYUAN ZHAOXIAN MINING CO LTD

A method and system for multi-stage collaborative progressive scheduling of mine-power coupling

PendingCN122434132ALoop controlNetwork model
The application discloses a kind of mine electricity coupling multi-stage collaborative progressive scheduling method and system, constructs the process network model of ore flow and power flow coupling, abstracts "node-connector" structure and "push-pull" interactive mechanism;According to the multi-stage collaborative progressive scheduling framework of "week before-day before-intra-day", a multi-time scale optimal scheduling model is established;Prioritize the controllable load in the multi-time scale optimal scheduling model, form a multi-round hierarchical load flexible control strategy for the ore mining and dressing process;Based on the multi-time scale optimal scheduling model, generate week before plan, day before plan;Through real-time simulation system, the multi-stage collaborative progressive scheduling strategy is verified.The application establishes mine electricity collaborative progressive scheduling method, realizes the effective connection of multi-time scale and real-time closed-loop control and "mine determines electricity-mine electricity interaction-electricity adjusts production" whole-chain collaborative optimization, effectively improves the stability and economy of mine operation.
Owner:NR ELECTRIC CO LTD +2

A mine field slope microseismic monitoring device

This invention relates to the field of mine slope technology and discloses a mine slope micro-seismic monitoring device, including a monitoring instrument body. A transmission line is plugged into one side of the monitoring instrument, and a sensing probe is electrically connected to one end of the transmission line. An embedded transmission mechanism is provided at the bottom of the sensing probe. The embedded transmission mechanism includes a positioning plate, and the top of the positioning plate has an installation groove for use with the sensing probe. By setting the embedded transmission mechanism, this invention can press the positioning plate downwards to allow the conical guide head and the embedded rod to enter the underground of the slope until the bottom of the positioning plate contacts the ground surface, compacting the soil. Then, the sensing probe is fixed to the positioning plate by a clamping mechanism. When the vibration force generated by blasting is transmitted, the vibration force is transmitted to the positioning plate by the two embedded rods, and then to the sensing probe by the positioning plate, thereby monitoring accurate and effective data and improving the accuracy of monitoring.
Owner:MCC NORTH (DALIAN) ENG TECH CO LTD

Mechanical antenna-based mine-used drift node relocation method

The application discloses a mine drift node relocation method based on a mechanical antenna, comprising the following steps: acquiring node position information of original positioning nodes in a mine, and adding low-frequency transmitting nodes and vibration sensors to the original positioning nodes; after the mine collapses, a measurement network is constructed above the mine field based on a drone carrying a measurement base station, the low-frequency transmitting nodes are started and transmit positioning signals, the low-frequency signals of the low-frequency transmitting nodes are received by the measurement base station, and the position information of the relocated nodes after the accident is obtained; the node position changes of the original positioning nodes and the position information of the relocated nodes after the accident are compared by modeling, and the situation change of the mine is sensed in real time. The application provides a more rapid and accurate drift node relocation scheme, and rescue can be realized more rapidly.
Owner:BEIHANG UNIV +1

Directional blasting device for mine field blasting

The utility model discloses a directional blasting device for mine field blasting, and relates to the technical field of directional blasting devices for mine field blasting. The explosion device comprises an explosion device shell, an upper connecting device is connected to the upper side of the explosion device shell, a lower connecting device is connected to the lower side of the explosion device shell, wire holes penetrating vertically are formed in inner cavities of the middle ends of the upper connecting device and the lower connecting device, an upper sliding groove is formed in the upper end of the upper connecting device, and a lower sliding groove is formed in the lower end of the lower connecting device. A lower sliding groove is formed in the lower end of the lower connecting device. The distance of the blasting device is adjusted by adjusting the length of the connecting device, the connecting device is detachable, the connecting device can be taken out when the blasting device is independently used, and when a plurality of blasting devices are needed, the plurality of blasting devices are connected through the connecting device to be connected in parallel and rapidly assembled, the blasting power is controlled, and the blasting efficiency is improved. And the blasting device can be flexibly adjusted according to sites, so that the blasting device is more flexible and diversified and can meet different requirements.
Owner:XINJIANG TIANHE BLASTING ENG CO LTD

Method and system for controlling a plurality of drill rigs

Disclosed herein are a control method and system. The system includes: a deactivation control; a control centre controller for storing an association between the deactivation control and a selected set of mine sites; a plurality of autonomous drill rigs, each drill rig having a drill shutdown module to disable a function of the respective drill rig upon receipt of a deactivation command; and a mine site controller associated with each mine site, each mine site controller being coupled to all autonomous drill rigs located at the respective mine site with which the mine site controller is associated. Activating the deactivation control transmits a deactivation command from the deactivation control to the control centre controller. The control centre controller forwards the deactivation command to a mine site controller associated with each mine site in the set of mine sites for distribution to all autonomous drill rigs at that mine site.
Owner:TECHNOLOGICAL RESOURCES PTY LTD

Three-dimensional composite superstructure muffler module and muffler

The application discloses a three-dimensional composite super-structure muffler module and a muffler. The muffler module comprises a rigid three-dimensional zigzag cavity structure and porous or fibrous material located around the cavity. The cavity structure is composed of a perforated panel, a multilayer coiled cavity and a partition. The coiled cavity is a multilayer structure, and each layer of the cavity is separated into a labyrinth-shaped channel by a coiled plug. The coiled porous or fibrous material around the cavity has high porosity. The application utilizes the high-frequency muffling characteristics of the porous or fibrous material and the low-frequency muffling characteristics of the super-structure material. The designed composite muffler has low-frequency and broadband muffling effects, can attenuate low-frequency single-frequency noise or broadband noise, and simultaneously greatly reduces the use of porous or fibrous material compared with a traditional resistive muffler. Furthermore, the muffler can be designed as an array-type muffler, and can be used in actual production and life, such as a substation, a mine site, a cooling tower and the like, which have a fan system and require large-area muffling and noise reduction.
Owner:国网陕西省电力有限公司 +2

Vehicle scheduling method and system based on complete information static game in mining area scene

The invention discloses a vehicle scheduling method and system based on a complete information static game in a mining area scene, and belongs to the field of traffic information processing, and the method comprises the steps: S1, obtaining a high-precision map of the mining area scene, recognizing and screening out road sections with potential road right conflicts, and forming a conflict road ID set; s2, collecting dynamic state parameters of all unmanned mine cars and manned mine cars in the current mining area scene in real time; s3, for each unmanned mine car, judging whether a predetermined driving path of the unmanned mine car intersects with the conflict road ID set or not; if the intersection exists, executing S4, otherwise, continuously monitoring the state of the vehicle; s4, constructing a complete information static game model between the unmanned mine car and other mine cars on the conflict road section, and determining an optimal road right distribution scheme by solving Nash equilibrium; and S5, based on a game solving result, generating a corresponding vehicle control instruction, and issuing the vehicle control instruction to each mine car through MQTT or broadcast.
Owner:TIANJIN CEMENT IND DESIGN & RES INST CO LTD

A method and related apparatus for loading explosives in a radioactive mine.

PendingCN122305877ATEX-explosiveColor signal
This application discloses a method and related apparatus for loading explosives in a radioactive mine, relating to the field of mineral mining. The method includes: acquiring borehole layering data in a radioactive mine, the borehole layering data including at least one radioactivity intensity of the borehole and the depth range corresponding to each radioactivity intensity; identifying the mineral grade type corresponding to each radioactivity intensity and determining the target explosive density corresponding to the mineral grade type; adjusting the current explosive density so that the density difference between the current explosive density and the target explosive density is no greater than a preset threshold; during the density adjustment process, determining the current explosive density based on the current color signal of the explosive; and loading the density-adjusted explosive within the depth range corresponding to each radioactivity intensity. This application determines the explosive density distribution in the borehole through radioactivity intensity, achieving dynamic adjustment and control of the explosive density, effectively improving the explosive loading accuracy and blasting effect.
Owner:CGNPC URANIUM RESOURCES CO LTD

Geological mineral exploration method and system

This invention discloses a method and system for geological and mineral exploration, belonging to the field of geological and mineral technology. The solution includes three core steps: First, a quantum gravity gradiometer array is constructed at the target mining site to collect quantum gravity data in each area to mark drilling target areas that meet the criteria. Second, fluid data from nanorobots tracking each drilling target area is analyzed to determine the nanorobot penetration plan and collect ore-forming fluid data. Finally, a three-dimensional fracture network model of the target mining site is constructed based on the ore-forming fluid data. By calculating the total clustering coefficient corresponding to the model, the design and analysis of the mining plan for the target mining site are completed. This solution integrates quantum technology and nanorobot tracking technology, and through data acquisition and modeling analysis, provides an innovative technical path and systematic analytical framework for the scientific formulation of geological and mineral exploration and mining plans.
Owner:GEOPHYSICOCHEM ORE PROSPECTING TEAM JIANGSU GEOLOGY & MINERALS BUREAU

A mine site pre-assembly system and method for deep sea mining trials

A mining area prefabrication system and method for deep sea mining test, the ship body of the water surface equipment system is provided with a feeder bin for storing ores, the bin is communicated with a mixer, the inlet of a mixing pump on the ship body is communicated with a water source through a mixing pipeline, a branch pipeline is arranged on the mixing pipeline between the mixing pump and the water source, the branch pipeline communicates the mixing pipeline with the outlet of the mixer, the ores from the bin pass through the mixer to enter the mixing pipeline to mix with water to form ore slurry, the outlet of the mixing pump is connected with a conveying pipeline, the end of the conveying pipeline is connected with a frame body, a control system is electrically connected with a driving mechanism and a positioning system on the frame body, and the feeder and the mixing pump on the ship body, accurate prefabrication of the mining area is realized, the uniformity of the distribution of the ores meets the requirements, the actual situation of the deep sea mining area is approached, the deep sea mining area can be simulated with high quality, the reliability of the deep sea mining system can be efficiently verified, the test time of the deep sea mining system in shallow sea test is shortened, and the determination of the test is improved.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER

A mining method for large-scale mining of gently inclined medium-thick ore bodies

The application discloses a mining method for large-scale mining of gently inclined medium-thick ore body, and relates to the underground mine mining field, which comprises the following steps: S1, ore body stope division; S2, lower part preferential mining; S3, middle section ore field cyclic layout; S4, lower part roadway construction; S5, construction ore extraction access; S6, blast hole construction; S7, blasting completion; S8, post-mining filling. The gently inclined ore body is divided into stopes according to the vertical direction of the panel, the one-step and two-step stopes are distinguished, and a plurality of sub-stopes are divided in the vertical direction for the large-depth ore body, and the lower part preferential mining sequence is adopted, so that the problem that the existing technology arranges the stopes along the strike and does not divide the sub-stopes is completely solved. The large-depth ore body mining is more orderly and safe, and is suitable for the occurrence characteristics of the gently inclined medium-thick ore body.
Owner:安徽铜冠产业技术研究院有限责任公司 +1

Mine transportation scheduling method and system based on hybrid genetic algorithm

The invention discloses a mine transportation scheduling method and system based on a hybrid genetic algorithm, and belongs to the technical field of intelligent optimization scheduling. The method comprises the following steps: S100, inputting mine tunnel network, facility and equipment parameters; s200, a Dijkstra algorithm and breadth-first search are combined, and an optimal path set containing a shortest path and a secondary short path is generated for each pair of ore unloading fields and mining sites so as to disperse traffic flows; s300, establishing a multi-objective optimization model for minimizing waste time and fuel consumption and maximizing transportation volume; s400, a non-dominated sorting genetic algorithm is adopted for solving, the core of the non-dominated sorting genetic algorithm is that a special triple coding mode is adopted, an execution vehicle is allocated for each transportation task, a going route is selected for each transportation task, a return route is selected for each transportation task, and complex constraints are fused into a chromosome structure; s500, performing dynamic simulation on each scheduling scheme, updating the vehicle state and speed based on the real-time road congestion degree, and accurately evaluating the performance of the scheme; s600, selecting a final scheme from the Pareto optimal solution set by using a multi-attribute decision-making method; and S700, when a fault occurs, automatically re-evaluating and allocating tasks. According to the method, the problems of single path, inaccurate model and uncomfortable coding of a traditional method are effectively solved, and high efficiency, energy conservation and high robustness of vehicle scheduling in a complex mine tunnel network are realized.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

A mine site operator safety supervision system

The utility model relates to the field of mine safety technology, especially a mine field operating personnel safety supervision system. The utility model discloses a positioning system that is composed of a positioning base station and a positioning label can accurately position the position information of operating personnel, and a complete safety supervision system is formed by combining a control terminal and an alarm device, the problem that operating personnel in a dangerous area cannot be checked comprehensively whether they have all evacuated in the prior art is solved, and the safety of mine operation is significantly improved.
Owner:GUANGDONG GUANGYE YUNLIU MINING CO LTD

Nano-bubble galloping oil displacement method and system

The invention belongs to the technical field of oil and gas field development engineering, and discloses a nanobubble galloping oil displacement method and system.The method comprises the steps that nanobubbles are prepared in the environment matched with reservoir pressure by obtaining target oil reservoir parameters; establishing a particle size-concentration-adsorption loss evaluation chart through an adsorption loss experiment; based on the reservoir starting pressure gradient, pulse injection parameters, including reference pressure, pulse amplitude and frequency, of the nanobubbles are determined through numerical simulation optimization; and executing mine field injection according to the pulse injection parameters, and performing iterative optimization on the nanobubble property and the injection scheme according to the development dynamic monitoring result. Gas is injected into the ground in the form of nano bubbles, so that the interfacial tension is reduced while gas channeling is inhibited, and the oil washing efficiency is improved; a pulse type injection method is adopted, disturbance of injected fluid to the remaining oil of the reservoir is enhanced, and sweep is expanded; the nano-bubble galloping effect is excited through hydraulic pulse, the rock wall surface crude oil stripping rate is increased, and the crude oil recovery rate is increased.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Mine personnel behavior recognition method and system based on YOLOv5

The application relates to the technical field of image processing, and discloses a mine personnel behavior recognition method and system based on YOLOv5. The method comprises the following steps: acquiring a video frame sequence of a mine site, extracting an environmental interference vector from the video frame sequence, performing optimization processing on the video frame sequence based on the environmental interference vector, and obtaining a clear frame sequence; extracting human body key point coordinates and an attitude vector from the clear frame sequence, analyzing time sequence changes of the key point coordinates, and obtaining preliminary action features; calculating a similarity score of the preliminary action features and a preset standard template, refining the preliminary action features based on the similarity score, and obtaining a refined action component vector; matching the refined action component vector from a preset action library, obtaining an action recognition result, and generating a corresponding action response output based on the action recognition result. The application improves the accuracy of personnel action recognition in a complex mine environment.
Owner:HENAN YINGCONG TECH DEV CO LTD

A multi-stage fractured horizontal well CO2 huff and puff injection-production optimization method

This invention provides an optimization method for CO2 injection and production in multi-stage fractured horizontal wells. The optimization method includes: Step S1: Establishing a reservoir simulation calculation model required for CO2 injection and production optimization in multi-stage fractured horizontal wells; Step S2: Establishing the optimization objectives, variables, and constraints for CO2 injection and production in multi-stage fractured horizontal wells; Step S3: Establishing a framework for the optimization method of CO2 injection and production in multi-stage fractured horizontal wells based on PPO; Step S4: Applying the obtained optimization parameters for CO2 injection and production in multi-stage fractured horizontal wells to specific blocks and analyzing the reasons for the high total net present value of the injection and production optimization scheme. This method can simultaneously and dynamically optimize the injection and production rates and durations at different stages of injection and production, achieving variable injection and production rates and durations, which better meets the practical needs of injection and production in mining operations.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1