32results about "Optical prospecting" patented technology

The invention provides a nickel ore target region prediction method and system based on hyperspectral remote sensing data analysis, and relates to the technical field of mineral resource exploration, and the method comprises the steps: firstly obtaining a hyperspectral remote sensing data body of a to-be-predicted region, then carrying out alteration feature space clustering construction processing on the hyperspectral remote sensing data body, forming an alteration feature space cluster body, and carrying out the clustering construction processing on the alteration feature space cluster body; the method comprises the following steps: identifying spatial distribution of various geological alteration types and binding spectral features, then carrying out mineralization alteration combination sequential spatial evolution processing to obtain a mineralization alteration sequential evolution body, then carrying out target area indication feature anchoring shaping construction processing on the mineralization alteration sequential evolution body to form a target area indication space shaping body, and carrying out target area indication feature anchoring shaping construction processing on the target area indication space shaping body. And positioning key indication characteristics of the nickel ore target region, and finally carrying out nickel ore target region space consolidation delineation treatment to generate a nickel ore target region prediction result. According to the method, spectrum and space information of hyperspectral remote sensing data is fully utilized, and the accuracy and reliability of nickel ore target region prediction are effectively improved.

The utility model discloses a speed control device for guide hole drilling, which relates to the technical field of rock stratum drilling and comprises a fixed frame body, a drilling machine body is arranged in the fixed frame body, a telescopic rotating motor is arranged in the drilling machine body, and a rotating drill bit is arranged at the bottom end of the telescopic rotating motor. The telescopic rotating motor and the rotating drill bit are used for conducting vertical forward hole guiding on the courtyard. Through the fixing frame body, the inserting plate, the connecting block and the gradienter body, the state that the rotary drill bit moves downwards all the time is kept, it can be guaranteed that when the rotary drill bit drills holes, the fixing frame body can protect operators, the rotary drill bit keeps the state of moving downwards all the time, the drilling process can be continuously conducted, and the drilling efficiency is improved. And time waste caused by stagnation or adjustment of the rotary drill bit is reduced. The design of the fixed frame body provides a safe barrier for operators, and the rotary drill bit can be prevented from hurting the operators due to drill bit breakage or rock splashing in the drilling process.

This measurement device (1) comprises an imaging control unit (21) for causing an imaging unit (14) to image a prescribed object of interest in the water and a vibration measurement unit (23) for measuring sound waves in the water by measuring the vibration frequency of the object of interest on the basis of images that were made to be captured by the imaging control unit (21).

The invention discloses a full-hole-wall digital imaging rock mass fracture intelligent identification and analysis system, which relates to the technical field of rock mass fracture identification, and comprises a rock mass image data acquisition system, a data integration and processing system, a calculation and analysis system, a fracture identification system, a rock mass fracture construction system and an information display system. According to the invention, the accuracy and practicability of full-hole wall digital imaging crack detection and data analysis can be improved.

In some embodiments, a method for controlling a learning machine used in a drilling operation to drill a well into a subsurface formation includes receiving, via a video stream, an image of debris including cuttings from the drilling operation. The method may further include generating a first mask on the image to identify the cuttings in the debris, generating, via instance segmentation, a second mask for each of the identified cuttings, determining, based on the second masks, one or more properties of each of the cuttings, and associating each of the identified cuttings to a depth interval of the subsurface formation based, at least in part, on the properties of each of the identified cuttings and at least one property of the drilling operation.

This invention provides a method and system for predicting nickel ore target areas based on hyperspectral remote sensing data analysis, belonging to the field of mineral resource exploration technology. First, hyperspectral remote sensing data of the area to be predicted is acquired. Then, alteration feature spatial clustering construction processing is performed on the hyperspectral remote sensing data to form alteration feature spatial clusters, identifying the spatial distribution of various geological alteration types and binding spectral features. Subsequently, sequential spatial evolution processing of mineralized alteration combinations is performed to obtain a sequential evolution body of mineralized alteration. Next, target area indicator feature anchoring and shaping construction processing is performed on the sequential evolution body of mineralized alteration to form a target area indicator spatial shaping body, locating key indicator features of the nickel ore target area. Finally, spatial reorganization and delineation processing of the nickel ore target area is carried out to generate the nickel ore target area prediction result. This invention fully utilizes the spectral and spatial information of hyperspectral remote sensing data, effectively improving the accuracy and reliability of nickel ore target area prediction.

The application discloses a kind of induction logging instrument systems and acquisition method based on plasma optical fiber sensor, including ground current emission source and at least one well in current emission source and well in receiving acquisition device, the well in receiving acquisition device is connected with the optical system of induction signal detection being arranged on ground, the optical system is composed of sequentially connected broadband light source, polarizer, polarization controller, fiber optic circulator and spectrum analyzer, the fiber optic circulator is connected with well in receiving acquisition device and spectrum analyzer respectively, at least two plasma resonance optical fiber sensing probes are arranged in the well in receiving acquisition device. There is no mutual interference or crosstalk between plasma resonance optical fiber sensor, optical fiber sensor and emission power supply and antenna, and it is not easy to be disturbed by environmental electromagnetic noise, and multi-channel large data high-speed real-time transmission can be realized by using armored photoelectric composite cable connected with each well in receiving acquisition device.

The invention relates to the technical field of intelligent sensing, in particular to a method for measuring an underground water migration path by utilizing a tracer agent, which comprises the following steps: synchronously acquiring two paths of signals according to the action of pump light and probe light on a fluorescein sodium tracer agent in a pore medium, and the returned stimulated light and the local oscillation light subjected to frequency shift by the acousto-optic modulator are interfered to generate an interference beat frequency electric signal. Two different optical signals from the same tracer block mass are synchronously collected and deeply analyzed, multi-dimensional and high-precision representation of the underground water migration process is achieved, returned stimulated emission light is interfered with local light, spectrum analysis is carried out on interference beat frequency signals, and the accuracy of the underground water migration process is improved. The instantaneous flow velocity value reflecting the motion state of the tracer agent block mass can be obtained, the limitation that the flow velocity is calculated by depending on the average time between two points traditionally is avoided, and the real dynamic change rate of the fluid in the complex pore medium can be captured.

This invention discloses a low-altitude unmanned geochemical integrated geological exploration system and method. The system includes a geochemical exploration data processing unit, an in-situ geochemical robot, an unmanned aerial vehicle (UAV) geochemical sampling robot, and an UAV storage and flight control mobile operation unit. The method involves acquiring data on the exploration area and formulating a geochemical survey plan based on the data; the in-situ geochemical robot performs preliminary screening of geochemical data collection in the target area according to the survey plan and transmits the data to the geochemical exploration data processing unit; the geochemical exploration data processing unit processes and analyzes the preliminary screening data, delineates anomaly areas, and formulates a detailed geochemical survey design; the UAV geochemical sampling robot flies to the anomaly area and performs sampling and detection according to the detailed survey plan; the geochemical exploration data processing unit processes and analyzes all the geochemical data to obtain mineral-induced anomalies in the exploration area. This invention solves the problems of high reliance on manpower, high risk, low efficiency, high cost, and sparse geochemical data in traditional geochemical exploration.

The utility model discloses an adjustable support type hyperspectral remote sensing surveying device, which belongs to the field of remote sensing surveying and comprises a middle shaft rod, the top of the middle shaft rod is detachably connected with a hyperspectral instrument through a holder, the side surface of the holder is hinged with a support leg through a hinged support, and the support leg can be unfolded at different angles through an umbrella rib type support component on the middle shaft rod. The bottom of the supporting leg is provided with a supporting leg mechanism capable of adapting to different terrains to conduct state switching, the supporting leg mechanism comprises a support detachably installed at the bottom of the supporting leg, the support is rotationally connected with a shaft seat, and the shaft seat is provided with a universal wheel and a foot support through two connecting pieces which are coaxially arranged correspondingly; and a limiting assembly for positioning the shaft seat is arranged on the shaft seat. According to the adjustable supporting type hyperspectral remote sensing survey device, the roller and the kickstand can be switched according to different requirements through the kickstand mechanism, so that different use requirements are met.

The invention discloses a cobalt ore prospecting method and system based on spectral absorption depth, and belongs to the new technical field of spectral prospecting methods and mineral product prediction. The method comprises the following steps: acquiring short-wave infrared hyperspectral data of a to-be-detected area to-be-selected research object through an image sensor and an intelligent sensing system, performing continuous spectrum removal processing, and extracting mechanism sensitive wave band absorption band depth parameters; constructing a cobalt ore spectrum diagnosis index based on the parameters, and performing inversion on the cobalt element enrichment intensity to form a continuous response field; introducing the response field into a space potential field model to carry out gradient analysis, and revealing enrichment abnormal space convergence characteristics; according to the method, multi-source response information is fused in combination with local space continuity constraints, intelligent identification, prediction, accurate positioning and quantitative exploration of cobalt mineralization abnormity under a complex geological background are realized, and the problem that a traditional remote sensing method is insufficient in ability of identifying concomitant class isomorphic hidden mineralization is solved; the method has the advantages of high recognition degree, accurate positioning prediction, accurate quantitative prediction, wide applicability and the like.

The invention discloses an exploration method based on geological deep soil texture, and particularly relates to the technical field of address exploration, historical drilling data, remote sensing image data and geological radar profile data are fused, a geological stability response grid is generated, a surface dynamic load path is collected in combination with a construction plan, and a surface vibration risk area is identified; checking and adjusting an initial drilling point layout scheme through cross analysis; a disturbance response index is predicted based on geological physical parameter fluctuation, a drilling sequence is optimized to form a minimum interference path, real-time feedback correction is carried out in the drilling process, and the data precision and the geological structure stability control effect are improved; according to the method, by constructing the geological stability response grid and fusing the dynamic load path, the disturbance sensitive area is accurately identified, the drilling point location and sequence are dynamically optimized, the layout of the structure high-risk area is avoided, the drilling disturbance intensity is controlled, the targets of drilling path interference minimization and high stability are achieved, and the precision and safety of geological exploration are improved.

A geodesy technique using telecommunication fiber-optic cables for real-time monitoring of subsurface quasi-static deformations. The fiber-optic cables comprise dense arrays of strainmeters, measuring strain rate data by processing the low-frequency content of cable vibration or deformation signals contained in optical backscattering. The technique is demonstrated to image the magma movement during dike intrusion events at minute time scale, exhibiting enhanced sensitivity and achieving high-temporal resolution and low noise levels with minimal data processing. The system can measure subsurface deformation in both onshore and offshore environments.

A system for downhole optical imaging includes a housing (208) forming at least a portion of a tool string (112). The system also includes a source (212) arranged within the housing (208), the source (212) emitting light through a window (210) formed in the housing (208). The system further includes an imager (214) arranged within the housing (208), the imager (214) receiving imaging data through the window (210). The system also includes a control system (504) communicatively coupled to the imager (214), the control system (504) processing the image data using one or more algorithms, the one or more algorithms modifying the imaging data based at least in part on a scattering material (218) surrounding the housing (208).

The invention relates to a method for analyzing soil contamination by pollutants, in particular organic pollutants, by means of hyperspectral analysis of the reflection and / or photoluminescence, characterised in that analysis is carried out by illuminating a sample by means of a first item of equipment provided with a light source and at least one spectral sensor sensitive to a spectrum ranging from thermal infrared to ultraviolet.

The invention belongs to the technical field of geophysical detection instruments and laser measurement, and relates to a non-contact laser Doppler seismometry robust optical-mechanical system and method. The system is composed of an LDV optical unit, a two-dimensional micro-rotation actuator, a variable view field optical structure, a photoelectric detection and analog front end, an analog-to-digital conversion and digital processing unit and a data output acquisition system. The method comprises the following steps: building a heterodyne interference light path; a transmitting-receiving common-path optical antenna and variable view field coupling structure is constructed; configuring a photoelectric detection and sampling link; mediation and echo quality evaluation control are completed in a digital domain; realizing hot spot locking and offline recapture control based on an echo quality function; and outputting data and executing necessary control compensation. Through combination of the variable effective view field, echo quality closed-loop locking and offline scanning recapture, the probability of phase demodulation interruption caused by speckle deep fading is remarkably reduced under the condition of natural rough earth surface, and the continuity and availability of seismic exploration scene vibration records are improved.

The utility model provides a probe protection device for exploration in a well, which comprises an exploration probe, a transmission line arranged at the top of the exploration probe, a scanning section arranged below the exploration probe, a top cover arranged on the outer side of the transmission line, a plurality of uniformly distributed connecting rods arranged on one side of the top cover, and a detachable middle cylinder arranged at one end of each connecting rod. A transparent sleeve is arranged on one side of the middle cylinder, a bottom cover is arranged on one side of the transparent sleeve, the middle cylinder, the transparent sleeve and the bottom cover are coaxially arranged, the transparent sleeve is made of quartz glass and replaces lens glass to bear abrasion, core components of the probe are effectively protected, and the whole device can replace a survey probe to bear loss caused by the complex underground environment. The exploration probe is simple in structure and convenient to use, reduces the risk that the lens glass is scratched and collides with the probe, greatly prolongs the service life of the exploration probe, reduces the maintenance cost, and solves the problems that the lens glass of the probe is easily scratched and the exploration probe is easily collided when the exploration probe is in an exploration well with an uneven inner wall.

The invention presents a method for analyzing soil contamination by pollutants, particularly organic pollutants, by hyperspectral analysis of reflection and / or photoluminescence, characterized in that said analysis is carried out with a first piece of equipment by illuminating a sample with a light source and with at least one spectral sensor sensitive to a spectrum ranging from thermal infrared to ultraviolet. Abstract figure: 2

The invention discloses a stepped underground detection device based on laser radar space three-dimensional scanning reconstruction, and relates to the technical field of underground exploration, and the device comprises a probe assembly, a telescopic rod body, a support system and a control system. The probe assembly is integrated with a laser radar and a high-definition camera and is carried on a two-axis electric holder to realize omnibearing scanning; the telescopic rod body is composed of a plurality of probe rod units with fool-proof locking structures, an intelligent counting chip is arranged in the telescopic rod body, and an angle adjusting unit can be expanded so that the probe rod can be bent to adapt to complex spaces such as stepped wells. The supporting system provides stable supporting and horizontal adjustment; and the control system realizes equipment control, real-time data return and three-dimensional reconstruction through dual-mode wireless communication. The system has the advantages of modularization, high precision, strong adaptability and intelligent and convenient operation, and solves the problem of three-dimensional data acquisition of vertical, narrow and irregular underground spaces.

Described herein is a method for performing a seismic survey, comprising: positioning at least two fiber optic cables and defining a target area that is located in between the cables and delimits the top of a sub-surface target volume; coupling an end of each cable to a distributed acoustic sensing interrogator; and activating one or more seismic sources exclusively outside of the target area. Also described herein is an apparatus for carrying out a seismic survey.

The utility model discloses a portable remote sensing exploration device. The device comprises a portable strap assembly and a remote sensing exploration device assembly. The portable strap assembly is composed of a waist strap for constraining the waist and abdomen, a chest strap for constraining the chest and a plurality of connecting straps for connecting the waist strap and the chest strap, schoolbag buckles capable of being clamped with each other are arranged at the two ends of the waist strap and the two ends of the chest strap respectively, two shoulder straps are connected to the front and the back of the upper surface of the chest strap respectively, and shoulder inserting buckles are arranged at the ends, close to the shoulder straps, of the shoulder straps. And silica gel lining strips are arranged on the inner sides of the waist bridle and the chest bridle to increase friction force. The back plate is fixed on the surface of the front side of the chest strap, the supporting plate is located on the front side of the back plate, a support with an infrared remote sensing explorer is fixed at the front end of the supporting plate, silica gel suction cups adsorbed to the back plate are arranged at the four corners of the rear side of the supporting plate, and a damping hinge is arranged between the supporting plate and the support. The device is convenient to carry and operate, and can meet remote sensing exploration requirements in different scenes.

The utility model provides a portable device for checking and exploring the occurrence of an adit structural plane, and the device comprises a scanner, the left end face of the scanner is fixedly connected with a laser probe, and the bottom of the left side of the scanner is provided with a charging port; a connecting assembly is arranged at the bottom end of the scanner, and a supporting assembly is arranged in the connecting assembly; the connecting assembly comprises an upper flange fixedly installed at the bottom end of the scanner, a lower flange is arranged at the bottom end of the upper flange, a holding rod is fixedly connected to the bottom end of the lower flange, an anti-skid pad is fixedly connected to the surface of the holding rod, and a bottom plate is fixedly connected to the bottom end of the holding rod. The utility model provides a portable device for checking and exploring occurrence of an adit structural plane, which is convenient for an expert and an operator to hold the device by hand to quickly recheck, check and explore occurrence information of the adit structural plane, and improves certain efficiency.

We provide an exploration device that can autonomously drill and observe in the deep sea without requiring a power source or external commands, and then surface and be recovered. [Solution] The present invention relates to a seafloor exploration device equipped with a mechanism for generating volumetric expansion or expansion pressure through a reaction between an expansive solid reactant and water. The device includes a buoyancy generating means for autonomously floating up by generating buoyancy through the expansion pressure, and an excavation mechanism for operating an excavation member using the expansion pressure as a driving force. The device may further include an observation function unit for acquiring video information or physicochemical environmental data related to the seafloor environment. The excavation member may be configured as a pair of members that move relative to each other to clamp or crush material on the seafloor.

The present application discloses a planetary surface geological multi-modal exploration system and method, comprising an interaction module, a feature decoupling module and a feature guided attention Mamba module; the interaction module is used for obtaining multi-modal features of hyperspectral images and LiDAR images and performing calibration; the feature decoupling module is used for separating the multi-modal features into cross-modal shared consistency features and each modal specific feature; the feature guided attention Mamba module is used for taking the cross-modal shared consistency features as global semantic prior, generating an attention weight matrix to perform directional screening and noise suppression on the decoupled each modal specific feature, and performing aggregation of the multi-modal features through the Mamba module; the present application solves the problems of modal information imbalance, feature coupling interference and lack of fusion guidance by constructing a feature calibration, feature decoupling and guided fusion whole-process integrated fusion mechanism, thereby realizing high-precision and high-robustness classification of planetary surface geological categories.

The application discloses an underwater imaging method and system based on spot ranging and a neural network, and belongs to the technical field of underwater imaging. The method comprises the following steps: S100, a tunable polarizer is carried by an underwater camera device, the angle of the polarizer is adjusted, and a multi-angle polarized image sequence of a target scene is collected; S200, a blue-green waveband laser is controlled to project a nonlinear spot pattern to the target for ranging; S300, a refraction correction model is constructed according to a refraction offset vector, and the real form of the spot is restored; S400, the spatial information of the multi-angle polarized image and target distance data are fused to generate a depth map; S500, polarized texture features and spot geometric features are registered based on a graph optimization algorithm, and the re-projection error is minimized; S600, the registered features and the improved depth map are input into a pre-trained depth enhancement neural network; and S700, a depth map output by the depth neural network is further post-processed and optimized based on a Transform network fusion algorithm. The application can provide a more fine absolute depth map.

The petroleum geology fluorescence detection device comprises a box body, a plurality of observation windows, a ventilation assembly, a plurality of main sample injection doors and a fluorescent lamp assembly, the box body is provided with a first side and a second side which are oppositely arranged in the width direction, the first side is provided with an observation inclined plane, and the first side is provided with a plurality of main sample injection ports which are arranged at intervals in the length direction; the plurality of observation windows are arranged on the observation inclined plane and are arranged at intervals along the length direction; the ventilation assembly is communicated with the box body; the plurality of main sample injection doors are respectively in one-to-one correspondence with the plurality of main sample injection ports, and the main sample injection ports are respectively formed in the corresponding main sample injection doors; the fluorescent lamp assembly is arranged on the top of the box body. According to the technical scheme disclosed by the invention, the inhalation amount of toxic and harmful volatile matters by detection personnel can be effectively reduced, and multi-point fluorescence contrast can be intuitively carried out.

The invention discloses a strip mine inclined roadway detection evaluation method and system and a fluorescent mixed spraying device. The method comprises the following steps: respectively executing fluorescent substance injection and optical observation in at least two drill holes on a target exploration line, and judging the space connectivity of a roadway cavity between the drill holes according to an observation result; for the roadway sections judged to be communicated, roadway section area data, perpendicular to the direction of the exploration line, at all the drilling positions are obtained; and based on the section area data, calculating a quantitative index representing the change degree of a section form, and according to a comparison result of the quantitative index and a preset threshold value, adaptively selecting a corresponding volume calculation model to calculate the volume of the roadway cavity. According to the method, space connectivity rapid qualification based on fluorescence and adaptive volume accurate calculation based on morphological variation coefficients are combined, and the problems of high exploration cost and low calculation accuracy in a traditional method are solved through a one-time integrated technical process.

A system and method for taking measurements in a formation. The system may include a quantum entangled photon source that entangles an idler particle and a probe particle, a transmitter disposed in a