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210 results about "Prospecting" patented technology

Prospecting is the first stage of the geological analysis (second – exploration) of a territory. It is the physical search for minerals, fossils, precious metals or mineral specimens, and is also known as fossicking.

Rutile type titanium ore prospecting model construction method

The invention belongs to the technical field of data processing, and particularly relates to a rutile type titanium ore prospecting model construction method. Comprising the following steps: collecting remote sensing time sequence, real-time geophysical prospecting and geochemical data, carrying out geological causal feature analysis after standardization so as to construct a metallogenic causal graph, and meanwhile, collecting anti-fact features to generate virtual mineralization feature vectors; a prospecting model comprising an input layer, a weight optimization layer (comprising a causal attention module and a particle swarm anti-fact comparison module) and a mineralization probability output layer is constructed, and a high-frequency data acquisition mechanism is triggered with assistance of a metallogenic event threshold. According to the method, the data reliability and the model generalization ability are improved, the mineralization probability calculation precision and the potential mineralization target region judgment accuracy are remarkably improved, and a scientific support is provided for efficient prospecting of rutile type titanium ore.
Owner:CHINA METALLURGICAL GEOLOGY BUREAU GEOLOGICAL EXPLORATION INST OF SHANDONG ZHENGYUAN

Boundary-preserving seismic wave impedance inversion method, device, equipment and medium

The invention discloses a boundary-preserving seismic wave impedance inversion method, device, equipment and medium, and relates to the technical field of geological prospecting. Historical seismic data of a target area and logging curve data including logging impedance parameters are acquired, and seismic wavelet data are extracted from the historical seismic data; carrying out data processing on the seismic wavelet data to obtain target seismic wavelet data, constructing an initial impedance parameter model according to the logging curve data, carrying out forward modeling on the initial impedance parameter model, constructing a composite objective function comprising a boundary preserving constraint term and a prior information constraint term, and carrying out the forward modeling on the initial impedance parameter model based on the composite objective function. And the initial impedance parameter model is updated to obtain the target impedance parameter model, and the output impedance parameter inversion curve is obtained through the target impedance parameter model, so that the inversion precision and efficiency are improved, and the inversion stability and the geological reduction capability are improved.
Owner:SICHUAN SHUIFA SURVEY DESIGN & RES CO LTD

Big data-based prospecting target area positioning method and system

The invention relates to the technical field of big data analysis, and discloses a prospecting target area positioning method and system based on big data, and the method comprises the steps: collecting multi-source exploration data in real time through distributed nodes, completing coordinate normalization, semantic alignment and time synchronization through a spatial heterogeneous data flow engine, and generating a standardized incremental data block; performing local feature sensitivity analysis based on the historical model library, identifying a newly added feature dimension, and performing parameter increment updating by adopting a sliding window gradient descent method; inputting the updated model into a target evolution model driven by a Bayesian space-time probability field, and dynamically calculating the metallogenic probability of each space grid in combination with a stress field, an element migration path and historical verification data; and generating high, medium and low three-level target area maps according to probability sorting, and pushing the high, medium and low three-level target area maps to a three-dimensional visual decision terminal. According to the method, minute-level dynamic response of the target region under triggering of newly-added data is realized, computing resource consumption is reduced to be less than 5% of that of an original system, and prospecting efficiency and abnormal region identification timeliness are improved.
Owner:青海省有色第三地质勘查院(青海省有色地质环境勘查院)

Tungsten deposit deep edge metallogenic prediction method based on machine learning

The invention discloses a tungsten deposit deep edge metallogenic prediction method based on machine learning, and particularly relates to the technical field of geological prediction and data processing. The method comprises the following steps: acquiring multi-source geological data, constructing a multi-dimensional space grid, and dividing candidate prediction units; quartz vein density, alteration indexes, geochemical combination anomaly weights and high-frequency magnetic anomaly waveform features are extracted, and an ore control feature tensor matrix is constructed; extracting a spatial dependency relationship among the candidate units based on a graph neural network, constructing a metallogenic potential prediction model, and outputting a metallogenic probability graph and a metallogenic hot spot graph; model parameters and feature weights are dynamically optimized through spatial superposition analysis and an abnormal response recognition mechanism; according to the method, the precision and efficiency of deep edge tungsten ore prospecting can be remarkably improved, and good self-adaptability and popularization and application value are achieved.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Mine control element extraction and weight determination method based on knowledge graph

The invention relates to an ore control element extraction and weight determination method based on a knowledge graph, and the method comprises the following steps: constructing a geological mineral knowledge graph: collecting geological text data, extracting entities and semantic relationships in the geological text data, and constructing the geological mineral knowledge graph; network analysis and simplification: utilizing a community clustering algorithm to divide an ore deposit, and combing and simplifying a complex geological knowledge map in combination with a modularity algorithm process; subgraph generation: constructing a series of subgraphs according to community categories of nodes, and forming an information set which completely and structurally represents specific geologic features and metallogenic conditions; weight calculation and integration: quantifying the indicating significance of different geological entities on ore deposit prospecting through an entity-relation weight result, and defining the weight of ore control elements; and element screening: sorting according to the weight values, and rapidly screening out geological entities which have important influence on ore deposit mineralization as ore control elements. According to the invention, an intelligent and automatic decision support tool is provided for geological prospecting work.
Owner:YUNNAN GOLD MINING GRP +1

Ore body positioning method for prediction and evaluation of niobium-tantalum ore target region and rapid sampling device

The invention belongs to the technical field of geological prospecting evaluation, and discloses an ore body positioning method and a rapid sampling device for niobium-tantalum ore target region prediction and evaluation. According to the method, based on existing geological data, various geologic bodies in a 1: 250,000-1: 10,000 geological map are analyzed, distribution, form, invasion contact relation, formation times and other characteristics of alkaline rock masses are found out, and a favorable metallogenic area is delineated; a linear structure, an annular structure and alteration information are recognized through satellites and aerial images, and target area positioning is assisted; the method comprises the following steps: exploring and detecting ore-bearing rock mass and fracture structures through a magnetic method, delineating potential positions of ore bodies, and inferring geological attributes of abnormal sources in combination with geological data; measuring the total amount of gamma at different positions in the niobium-tantalum prediction target area by using radioactive detection equipment, and preliminarily judging the position of the niobium-tantalum ore according to a gamma abnormal result; and carrying out systematic sampling and assay analysis on the target area by using the rapid sampling device. By means of the method and device, the metallogenic geological condition and the prospecting prospect can be evaluated, and the exploration network degree is optimized.
Owner:THE 4TH GEOLOGICAL BRIGADE OF SICHUAN

Karst pile foundation leakage slurry early warning method and system

The embodiment of the present application relates to the pile foundation construction technical field, specifically discloses a kind of karst pile foundation leak slurry early warning method and system.The embodiment of the present application is determined by pile foundation construction area, carries out geological radar detection, electrical prospecting and borehole exploration to pile foundation construction area, obtains geological detection data;Monitoring deployment is carried out, and real-time monitoring data is obtained, and three-dimensional monitoring model is established, and visual monitoring display is carried out;Extract multiple key feature data in real-time monitoring data, import into the preset slurry leakage preset model, obtain slurry leakage prediction probability;According to slurry leakage prediction probability, determine slurry leakage early warning level, according to slurry leakage early warning level, early warning and emergency treatment are carried out.The present application breaks through the dependence of traditional grouting process on crack morphology by innovative design of the synergistic plugging mechanism of pH-sensitive pneumatic capsules and geological bonding agents, using the instantaneous negative pressure field effect to drive the directional enrichment of nanomaterials, triggering in-situ strengthening reactions based on the mineral characteristics of rock mass.
Owner:JIANGXI PROVINCIAL TRANSPORTATION ENG GRP +4

Intelligent prospecting method and device, electronic equipment and storage medium

The invention provides an intelligent prospecting method and device, electronic equipment and a storage medium. The problem that a satellite-borne platform or an airborne platform is not high in prospecting precision is effectively solved. The method comprises the steps of performing continuous imaging on a target to-be-measured mining area to obtain multi-frame remote sensing data, and preprocessing the multi-frame remote sensing data to obtain a target hyperspectral image sequence; selecting a reference frame and a to-be-registered sequence frame for registration, and superposing all registered images to intercept a public overlapping region image; carrying out collaborative quality enhancement reconstruction on the public overlapping region image to obtain a hyperspectral image, and respectively carrying out altered mineral and structural element identification on the hyperspectral image to obtain a mineral distribution map and a classification structural map; and fusing the mineral distribution map, the classification structure map and a preset geological metallogenic rule to obtain a prospecting distant view map with a prospecting mark, so as to complete intelligent prospecting of the target to-be-detected mining area based on the prospecting distant view map.
Owner:CHINESE ACAD OF GEOLOGICAL SCI

Mineral prospecting prediction method based on compound rock mass anatomical porphyry-skarn composite mineralization system

The invention relates to the technical field of mineral resource prospecting exploration, in particular to a prospecting prediction method based on a compound rock mass anatomy porphyry-skarn composite mineralization system. The control factors and formation mechanism of the ore deposit are clarified, and the deep earth dynamics process of porphyry mineralization development is disclosed. Through typical ore deposit fine dissection, the space-time structure characteristics of mineralization in different structural evolution stages are discussed; according to the method, mineral in-situ micro-area surface scanning and sulfide isotope in-situ tracing technologies are utilized to determine occurrence forms of metallogenic elements, restrain activation migration behaviors of microelements, find out sources of metallogenic metal substances, reveal a superposition metallogenic development mechanism and provide theoretical basis and technical support for prospecting exploration.
Owner:KUNMING UNIV OF SCI & TECH

Mineral resource prediction method and system for shallow-hidden fluorite mine

The invention relates to a mineral resource prediction method and system for a shallow-hidden fluorite mine, and the method comprises the steps: carrying out the metallogenic characteristic analysis of a typical fluorite deposit, and constructing a prospecting prediction conceptual model according to an analysis result; performing evaluation analysis on the resource potential, the mineralization favorable degree and the prospecting prediction matching degree of the prospecting area to obtain an optimal mineralization prediction geological unit; on the basis of the prospecting prediction conceptual model, a prospecting prediction quantitative model is obtained in combination with geological information of the typical fluorite deposit, and fluorite mine quantitative prediction is conducted on the optimal metallogenic prediction geological unit through the prospecting prediction quantitative model, so that fluorite mine prediction quantity is obtained; and under the condition that the fluorite mine prediction amount reaches a set threshold value, fluorite mine resource evaluation analysis is carried out according to the fluorite mine prediction amount in combination with the obtained geological exploration data of the ore searching area, and fluorite mine resource distribution data is obtained. From the perspective of green prospecting, the method can quickly and accurately carry out prospecting prediction on shallow hidden or deep fluorite mines.
Owner:CHINA GEOLOGICAL SURVEY XIAN MINERAL RESOURCES SURVEY CENT

Sampling device for traffic geology surveying and mapping exploration

The invention discloses a sampling device for traffic geology surveying and mapping exploration, and relates to the field of geological prospecting, the sampling device comprises a U-shaped moving plate and a sampling pipe, the sampling pipe is located above a U-shaped groove of the U-shaped moving plate, a drill bit is installed at the bottom end of the sampling pipe, a sleeve is arranged in the sampling pipe, two annular blocks are fixed on the inner wall of the sleeve, a vertical rod is arranged in the sleeve, and the vertical rod is connected with the drill bit. A threaded pipe is arranged on the upper surface of the drill bit, a movable cavity is formed in the pipe wall of the threaded pipe, a movable plate is slidably installed in the movable cavity, the bottom end of the movable plate penetrates out of the movable cavity to be fixedly connected with the top end of the drill bit, internal threads are arranged on the inner wall of the bottom end of the sampling pipe, and external threads of the threaded pipe are connected with the internal threads in a meshed mode; according to the rotary drilling device, the drill bit can form continuous and stable impact crushing action, drilling resistance caused by hard rock strata and special geological structures is effectively broken through, and propelling difficulty caused by pure rotary drilling is avoided.
Owner:SICHUAN YUXIN SURVEYING & MAPPING CO LTD

Ore prospecting method for brine type lithium-potassium-boron ore deposit in foreland basin carbonate rock stratum

The invention provides a prospecting method for a brine type lithium-potassium-boron ore deposit in a foreland basin carbonate rock stratum. The prospecting method comprises the steps that the type of a metallogenic potential structure unit is determined; determining a mineralization brine supply potential source type; determining the type of a favorable metallogenic structure unit; calculating a construction unit comprehensive evaluation coefficient, and screening favorable exploration construction units; carrying out metallogenic brine carbonate reservoir analysis on the favorable exploration structure unit, and delineating a favorable exploration target area; and performing drilling verification on the favorable exploration target area, and evaluating the economic value of the favorable exploration target area. According to the method, multi-level prospecting prediction from full-basin-scale optimal construction units to local target area fine evaluation is realized, and the exploration efficiency and the success rate of the brine type lithium potassium boron deposit are remarkably improved.
Owner:NANCHANG CAMPUS OF EAST CHINA UNIV OF TECH +2

Electromagnetic interference source positioning method and system in electrical prospecting

The invention provides an electromagnetic interference source positioning method and system in electrical prospecting, and the method comprises the steps: collecting electrical prospecting electromagnetic signal data, extracting multi-domain features, and generating a feature matrix fusing time-frequency-space three domains; and constructing and updating the electrical prospecting digital twin model in real time. And performing anomaly detection to obtain a result containing electromagnetic interference source position data, calculating a delay inequality according to the detection result, and constructing a hyperboloid positioning equation set. And solving the equation set by using an optimization algorithm, and outputting three-dimensional coordinates of the electromagnetic interference source. According to the model, a three-dimensional initial digital twinborn body is constructed based on initial conditions, real-time data are fused by using a filtering algorithm, parameters and characteristics are dynamically corrected, and real-time synchronization with an actual environment is realized. During positioning, the multi-source information fusion method forms a'model-data 'dual-drive calibration mechanism through geological constraint calibration and real-time data calibration, ensures that an equation set adapts to actual propagation characteristics, reduces positioning errors, and improves positioning precision and robustness.
Owner:四川省第七地质大队

Uranium copper multi-metal remote sensing prospecting method and system

The invention relates to the technical field of remote sensing prospecting, and discloses a uranium-copper multi-metal remote sensing prospecting method which comprises the following steps: S1, data acquisition and preprocessing; s2, alteration information is extracted; s3, multi-source information comprehensive analysis and prospecting prediction; s4, alteration abnormity verification is carried out; and S5, delineating the prospecting target area. According to the method, vegetation spectrum interference is stripped by carrying out principal component analysis on visible light-short wave infrared of a remote sensing image, weak iron staining and hydroxyl alteration signals are extracted, a geological and remote sensing coupling technology is carried out, alteration anomaly is superposed with a geological map, geochemical data and a construction interpretation result, a comprehensive remote sensing anomaly map is obtained, and the comprehensive remote sensing anomaly map is obtained. According to the method, the multi-parameter grading model GGS is established, and the target region is graded based on the multi-parameter grading model GGS, so that the probability of missed judgment of the target region is reduced.
Owner:GANDONG UNIV

Method and system for identifying hydrothermal alteration zone in carbonate rock construction

The invention relates to an identification method and system for a hydrothermal alteration zone in carbonate rock construction, and belongs to the field of remote sensing geological prospecting, and the identification method comprises the steps: obtaining and preprocessing a spaceflight hyperspectral remote sensing image of a to-be-identified region, and obtaining surface reflectance data; mineral component analysis is carried out based on the surface reflectance data, carbonate mineral dominant pixels are marked, and a binary mask array after assignment is generated; extracting hydrothermal alteration information and generating an information intensity array according to the assigned binary mask array; performing binarization processing on the information intensity array according to a preset threshold value to generate a binary logic array; and converting the binary logic array into a geographic space vector area file based on an original image geographic coordinate system, and taking the geographic space vector area file as a hydrothermal alteration zone identification result. According to the method, rapid and accurate identification of the hydrothermal alteration zone in the carbonate rock area can be facilitated.
Owner:CHINA GEOLOGICAL SURVEY XIAN MINERAL RESOURCES SURVEY CENT

Gold ore prospecting and exploration sampling device and method

The invention discloses a gold ore prospecting and exploration sampling device and method, and relates to the technical field of prospecting and exploration equipment, and the device comprises a main body frame which comprises a sampling vehicle main body and a data processing unit; the sampling area is composed of a multi-joint mechanical arm and a sampling drill bit; the analysis area comprises a sample management assembly, the sample management assembly is integrated in the sampling vehicle main body, and the analysis area is used for automatic identification, storage, preliminary analysis and pretreatment of samples. According to the invention, automatic sampling, intelligent data analysis and adaptive sample treatment are integrated, and closed-loop optimization of the exploration process is realized. According to the method, multi-source geological data are fused through a machine learning model, a sampling strategy is intelligently predicted and optimized, and a sample preprocessing process can be dynamically adjusted to ensure analysis precision, so that the efficiency and accuracy of gold mine exploration are remarkably improved.
Owner:LANZHOU UNIV

Advanced geological forecast method and system with combination of long distance and short distance, and storage device

The invention discloses a long-distance and short-distance combined advanced geological forecasting method and system and storage equipment, belongs to the technical field of geological forecasting, and can solve the problem that long-distance accurate forecasting is difficult in the prior art. The method comprises the following steps: S1, constructing a three-dimensional geological model within a first length range from a tunnel face in a to-be-constructed area according to exposed geological information of a constructed area, and predicting a first heteroplasmon within the first length range based on the three-dimensional geological model; s2, predicting a second heteroplasmon within a first length range by using an electromagnetic prospecting method, and correcting the three-dimensional geologic model by using the second heteroplasmon; s3, determining a wave velocity parameter within a second length range from the tunnel face by using a seismic exploration method, and predicting a third heteroplasmon within the second length range based on the wave velocity parameter; and S4, correcting wave velocity parameters according to the first heteroplasmon, the second heteroplasmon and the third heteroplasmon, and carrying out geological forecast according to the corrected wave velocity parameters and the corrected three-dimensional geological model. The method is used for geological forecast.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED

Geophysical prospecting instrument wiring device for geological prospecting

The utility model discloses a geophysical prospecting instrument wiring device for geological prospecting, which comprises a weather-proof plastic shell, an inner cavity and a partition plate are arranged in the weather-proof plastic shell, the front side and the rear side of the shell are respectively provided with two groups of holes for introducing cables, and rubber sealing rings are arranged at the holes; two groups of pure copper wire connectors are mounted on a bracket at the bottom of the inner cavity, bolt holes and square holes are formed in two ends of the wire connectors, and slidable n-shaped wire pressing plates are mounted on the square holes; lower bolt holes are formed in the left side and the right side of the shell, and the upper detachable cover body is provided with a waterproof ring and upper bolt holes. And a mortise and tenon groove is formed below the shell and matched with a mortise and tenon of the cover body. According to the utility model, the weather-proof plastic shell is adopted to protect the internal pure copper wiring mechanism, and stable conductive connection is realized through the combination of the wire pressing plate and the wire connector; the modular mortise and tenon design supports series connection of multiple devices, and the waterproof performance is ensured through double-layer sealing rings and drainage grooves; the design of the sealing ring and the partition plate effectively prevents short circuit, the buffer gasket enhances the wiring stability, and the whole structure adapts to the field severe environment and has durability and safety.
Owner:青海省有色第一地质勘查院(青海省有色地质调查院)

Method for constructing artificial water-conducting channel through pulse hydraulic fracturing of drainage boreholes in roof aquifer

A method for constructing an artificial water-conducting channel through pulse hydraulic fracturing of drainage boreholes in a roof aquifer includes constructing an artificial water-conducting channel in a sandstone fissure aquifer through arrangement of drainage boreholes and pulse hydraulic fracturing, which improves the permeability of dense and intact sandstone rock masses. The artificial water-conducting channel formed through arrangement of drainage boreholes is connected to discontinuous water-bearing areas and water-rich areas, and water from roof sandstone fissures is diverted to the drainage boreholes through the artificial water-conducting channel, thereby achieving effective drainage of the boreholes and expanding a radiation range of single-borehole drainage. The method not only avoids the arrangement of excessive drainage boreholes and significantly improves the drainage efficiency of prospecting and drainage boreholes, but also facilitates advance drainage during the mining process. The method enables effective control of mine water hazards, thereby ensuring safe production of the mine.
Owner:CHINA UNIV OF MINING & TECH

Rock water content obtaining method based on one-dimensional nuclear magnetism, pyrolysis and extraction experiments

The invention provides a rock water content obtaining method based on one-dimensional nuclear magnetism, pyrolysis and extraction experiments, and relates to the field of geological prospecting, the method comprises the following steps: extracting hydrocarbon-containing fluid in a rock sample by using an oil-water amphiphilic solvent; carrying out a rock pyrolysis experiment on the sample after extraction to obtain an extraction advance value, an extraction advance value and a post-extraction value, and calculating the hydrocarbon content of the sample; carrying out a one-dimensional nuclear magnetic resonance experiment of the pre-extracted sample to obtain a pre-extracted nuclear magnetic resonance signal; carrying out a one-dimensional nuclear magnetic resonance experiment on the extracted sample to obtain an extracted nuclear magnetic resonance signal; acquiring the fluid content of the sample according to the nuclear magnetic resonance signal before extraction and the nuclear magnetic resonance signal after extraction; and calculating the water content of the sample according to the hydrocarbon content and the fluid content. The technical scheme of the invention is suitable for reservoir evaluation, resource quantity calculation, reservoir fluid monitoring in the development process and other scenes.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Regional prospecting method and system based on multi-element space coupling of metallogenic system

The invention discloses a regional prospecting method and system based on multi-element space coupling of a metallogenic system, and belongs to the technical field of mineral resource prospecting prediction and comprehensive modeling of the metallogenic system. The method comprises the following steps: acquiring multi-source spatial data covering a mine concentration area; according to a process mechanism of a metallogenic system, converting and constructing the multi-source spatial data into a background domain, a transmission domain, an ore containing domain and a target domain to indicate spatial distribution indexes; constructing a comprehensive metallogenic potential index for representing a spatial distribution pattern of the regional metallogenic potential; an uncertainty prediction index is constructed based on the consistency deviation degree between the domain index responses and the local difference, and synchronous credibility quantification is carried out on the comprehensive mineralization potential evaluation result; and in combination with a joint discriminant relationship between the mineralization potential index and the uncertainty index, performing classified screening and target region delineation on the regional mineralization abnormal unit, so as to realize continuous quantitative prediction of the regional scale mineralization potential and optimization of the prospecting target region, and provide a mineral geological exploration service developed by using a high technology.
Owner:YUXI NORMAL UNIV +1

Full-irradiation aviation electromagnetic observation method

The invention discloses a full-irradiation aviation electromagnetic observation method. The method comprises the following steps: S1, scanning survey line topographic data of a target survey area; s2, dynamically controlling postures of a transmitting coil and a receiving coil based on the survey line topographic data in the S1, and collecting electromagnetic data of a target survey area; and S3, processing the electromagnetic data collected in the step S2, and carrying out random cross gradient constraint inversion to obtain geological structure information of the underground target in the target measurement area. The detection effect of an aviation electromagnetic method in a steep fluctuating environment is remarkably improved for mineral resources, engineering geophysical prospecting and hydrogeological prospecting in a complex terrain area through a full-irradiation aviation electromagnetic observation system in a complex fluctuating terrain and an isotropic resistivity cross constraint inversion method. According to the method, the interference of topographic factors on electromagnetic signals is effectively reduced, and the limitation of insufficient signal coverage in complex topographies in a traditional method is overcome, so that the data processing precision is improved, and richer underground information is obtained.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY

Rock debris sampler for geological exploration

The utility model provides a rock debris sampler for geological prospecting, and relates to the field of geological prospecting, the rock debris sampler comprises a sampler body, the sampler body is movably sleeved with a connecting sleeve, the connecting sleeve is fixedly sleeved with a fixing ring, and the surface of the fixing ring is fixedly connected with eight fixing plates; a supporting shaft is rotationally connected between every two adjacent fixing plates, the supporting shafts are fixedly sleeved with supporting legs, and torsional springs are fixedly connected between the supporting legs and the fixing plates. Through cooperation of the supporting legs, the fixed rings, the sliding rings, the first connecting pieces, the second connecting pieces, the transverse plates and other structures, a plurality of triangular stabilizing units are formed together, loads such as vibration and impact generated when the sampler works are converted into tension and compression stress in the transverse plates from concentrated stress at the joints of the supporting legs, and the stability of the sampler is improved. Therefore, the stress concentration phenomenon of connecting points of the supporting legs is effectively avoided, and the risk of fatigue fracture of welding points is effectively reduced.
Owner:锡林郭勒盟山金白音呼布矿业有限公司

Efficient collaborative construction method, device and equipment for simultaneous operation of multiple geophysical prospecting teams

The invention provides an efficient cooperative construction method, device and equipment for simultaneous operation of multiple geophysical prospecting teams, relates to the technical field of seismic prospecting, and aims to solve the problem that the construction efficiency is low under the condition that the distance between shot points constructed by the multiple geophysical prospecting teams in the same time window in adjacent work areas is smaller than the minimum distance of synchronous excitation in the prior art. The method comprises the following steps: integrating adjacent work areas for analysis, calculating the lower limit value of the root-mean-square energy of the upper cannon interference of a conventional production cannon, and drawing a first time distance curve meeting the condition that the upper cannon interference is not greater than that of the production cannon by utilizing a single-cannon data single-cannon energy attenuation time-space domain distribution plane graph of a long-record long-arrangement-point test; according to the seismic data of the work area, obtaining the lowest refracted wave speed, and calculating a second time distance relation curve when the last shot refracted wave does not enter the single shot data; and an area clamped by the first gun loading interference time distance curve and the second gun loading interference time distance curve is used as a distance range of staggered excitation of two guns in adjacent work areas, a blasting time interval is dynamically calculated, and staggered excitation is carried out.
Owner:CHINA NAT PETROLEUM CORP +1

Energy-saving core protection sampling device for prospecting

The application belongs to the technical field of sampling devices, and particularly relates to an energy-saving core protection sampling device for prospecting, wherein the energy-saving core protection sampling device for prospecting comprises a geological exploration drilling machine, a core tube, a pressure regulating device and a hydraulic energy recovery device, the geological exploration drilling machine is fixedly provided with a circuit protection shell, the pressure regulating device and the hydraulic energy recovery device are arranged in the circuit protection shell, the geological exploration drilling machine is fixedly provided with a hydraulic machine on one side, the hydraulic machine is fixedly provided with an infrared detection mechanism on the lower side, and the infrared detection mechanism is used for judging the hardness of the rock stratum drilled by the core tube. The energy-saving core protection sampling device for prospecting can dynamically adjust the pressure of coring according to the hardness of the rock stratum through the arrangement of the corresponding mechanism, so that the probability of core fragmentation or deformation is reduced, the influence on the integrity of the core is reduced, the probability of core falling off during the lifting of the drilling machine is reduced, and the normal coring of the subsequent sampling device is facilitated.
Owner:SICHUAN PROVINCE JINHE GEOLOGY & EXPLORATION ENG CO

Coring device for hydrogeological exploration

The utility model relates to the technical field of hydrogeological prospecting, and discloses a coring device for hydrogeological prospecting, which solves the problems that the coring device for hydrogeological prospecting is inconvenient to operate quickly in the use process, the working efficiency is reduced, and better practicability is inconvenient to achieve, and comprises a supporting seat, fixed mounting holes are formed in the four corners of the supporting seat in a penetrating mode, a circular opening is formed in the middle of the top end of the supporting seat in a penetrating mode, an adjusting coring assembly is fixedly installed at the top of the supporting seat and comprises a coring pipe, the coring pipe is located over the circular opening, and the outer side of the coring pipe is of a spiral thread structure. Vent holes are uniformly formed in the outer side of the top end of the coring pipe in a penetrating manner; an annular drill bit is fixedly mounted at the bottom of the coring pipe; according to the coring device for hydrogeological exploration, in the using process, the coring device for hydrogeological exploration can be conveniently and rapidly operated, the working efficiency is improved, and therefore better practicability can be conveniently achieved.
Owner:SHANDONG GOLD MINING LINGLONG

Big data-based unmanned aerial vehicle airborne geophysical prospecting method and system

The application discloses a kind of unmanned aerial vehicle aerological prospecting method and system based on big data, by obtaining the positioning data of global navigation satellite system and the measurement data of inertial measurement unit, correction and compensation are carried out in combination with differential positioning technology and terrain height model, accurate three-dimensional coordinate data set is obtained;According to three-dimensional coordinate data set, collect magnetic field signal and spectrum signal, using adaptive filtering algorithm to magnetic field signal and spectrum signal are denoising processing, obtain preprocessed signal data;It is judged whether the signal data amount of preprocessed signal data exceeds preset threshold, if signal data amount exceeds preset threshold, then through distributed computing framework to preprocessed signal data is fragmented processing, using convolutional neural network to extract the feature vector in each fragmented data, generates feature vector set.The application realizes the whole link optimization from data acquisition to ore body prediction, improves the precision and efficiency of geological exploration.
Owner:湖南省遥感地质调查监测所

Geological stratified sampling device for geological prospecting

The utility model relates to the technical field of geological sample sampling devices, and discloses a geological stratified sampling device for geological mining, which comprises a movable base provided with a central hole, and a limiting ring rotatably connected in the central hole; the sampling barrel selectively penetrates through the central hole; the telescopic sleeves are sequentially connected in a sliding mode from the outer side to the inner side in the vertical direction, the telescopic sleeve on the outermost side is connected with the inner side wall of the limiting ring in a sliding mode, the inner side wall of the telescopic sleeve on the innermost side is connected with the sampling barrel in a sliding mode, and the sampling barrel can drive the telescopic sleeve on the innermost side to synchronously move downwards. And then the multiple sections of telescopic sleeves from the inner side to the outer side are driven to be sequentially embedded in the drill hole. The sampling barrel can drive the telescopic sleeve on the innermost side to synchronously move downwards, then the multiple sections of telescopic sleeves are driven to be sequentially embedded in a drill hole, collapse of the drill hole is avoided, and layered multi-time sampling of stratums with different depths is achieved.
Owner:GANSU GEOLOGICAL ENG SURVEY INST

A sampling device for traffic geology surveying and prospecting

The application discloses a sampling device for traffic geological surveying and prospecting, and relates to the field of geological prospecting, which comprises a U-shaped moving plate and a sampling pipe, the sampling pipe is located above the U-shaped groove of the U-shaped moving plate, the bottom end of the sampling pipe is provided with a drill bit, the inside of the sampling pipe is provided with a sleeve, the inner wall of the sleeve is fixedly provided with two annular blocks, the inside of the sleeve is provided with vertical rods, the vertical rods all penetrate through the two annular blocks and are in sliding connection, the upper surface of the drill bit is provided with a threaded pipe, the pipe wall of the threaded pipe is provided with a movable cavity, a movable plate is slidingly installed in the movable cavity, the bottom end of the movable plate penetrates out of the movable cavity and is fixedly connected with the top end of the drill bit, the bottom end inner wall of the sampling pipe is provided with an internal thread, the external thread of the threaded pipe is in meshing connection with the internal thread, and the center of the upper surface of the drill bit is fixedly provided with a top rod. The application can make the drill bit form a continuous and stable impact breaking action, effectively break through the drilling resistance caused by hard rock layers and special geological structure, and avoid the pushing difficulty caused by simple rotary drilling.
Owner:SICHUAN YUXIN SURVEYING & MAPPING CO LTD

A method and system for reduction to the pole based on three components of aeromagnetic

The application discloses a kind of based on aeromagnetic three-component polarizability method and system, it is related to the field of magnetic prospecting, including: obtaining target area aeromagnetic three-component data and carrying out anomaly extraction;The three-component anomaly data extracted is grid processing, and equivalent rectangular body data is constructed;Based on the equivalent rectangular body data, inversion is carried out using pre-trained inversion model, and the total magnetization intensity three-component data of each rectangular body is obtained;According to the total magnetization intensity three-component data, aeromagnetic three-component polar calculation is carried out, and the final polar result is obtained.The application greatly improves the reliability and engineering applicability of magnetic anomaly polarizability, and provides more efficient and stable technical support for mineral exploration, geological structure analysis and deep geological exploration.
Owner:CHINA AERO GEOPHYSICAL SURVEY & REMOTE SENSING CENT FOR LAND & RESOURCES