185 results about "Bedrock" patented technology

The invention relates to the technical field of reservoir bedrock anti-seepage grouting, and discloses a reservoir bedrock anti-seepage grouting method which comprises the following steps: acquiring fracture data through geological exploration, and constructing a reservoir bedrock fracture distribution model; simulating a flow path and permeability characteristics of the slurry in the fracture based on the fracture model; the grouting pressure and flow are determined through an optimization algorithm, and a grouting scheme is formulated; screening grouting materials according to fracture characteristics, and analyzing stress-strain and permeability of the grouting materials; a construction process is formulated, the grouting state is monitored in real time, and parameters are dynamically adjusted; and after grouting, carrying out permeation and pressure test to evaluate whether the curing effect reaches the standard or not. Based on the three-dimensional fracture structure modeling and flow field simulation technology, high-precision recognition and dynamic evolution tracking of the fracture permeation path in the complex rock mass of the reservoir bank are achieved, so that grouting hole layout is more accurate, the slurry flow direction is more controllable, and the method is different from a point-selecting grouting mode of a traditional empirical method.

The invention provides an ionic type rare earth ore bed rock crack detection method and system, and the method comprises the steps: laying an active seismic source at a preset position of a target detection region, and enabling the active seismic source to emit an elastic wave with a preset frequency and a preset amplitude; a micro-seismic sensor network arranged in a target detection area collects sound wave signals which are emitted by the active seismic source and are scattered and polarized by the crack; extracting a plurality of crack characteristic parameters related to the bedrock crack from the bedrock crack microseismic sound wave signal, and performing preliminary analysis to obtain a possible crack region and preliminary key parameter information of the crack; based on the multiple fracture characteristic parameters, a multi-parameter joint inversion method is adopted to construct a fracture model containing fracture geometric parameters and physical parameters, and regularization optimization is carried out on the fracture model; and finally, based on the optimized crack model, carrying out inversion to obtain key parameters of high-precision spatial positions and distribution of the cracks. On the basis that the ore body is not damaged, the bedrock crack detection precision can be improved.

The invention provides a sedimentation inversion prediction method based on water-soil coupling and well reservoir dynamic feedback, which comprises the following steps: by collecting geological, hydrological, deformation monitoring and engineering construction data, constructing a three-dimensional geologic model containing a shallow unconsolidated formation and an underlying bedrock layer, and setting physical boundary constraints; establishing a water-soil bidirectional coupling model, integrating a seepage model and a deformation model, and realizing bidirectional coupling through a dynamic feedback mechanism; calculating the leakage / extraction amount based on the dynamic water level in the well and the hydraulic long pipe model, dividing the layer leakage amount and feeding back the layer leakage amount to the seepage model; model parameters are inversed and calibrated in combination with actually measured data; and finally, predicting a settlement spatio-temporal evolution process based on the calibration model, and generating a risk prevention and control scheme in combination with building settlement indexes. The method has the advantages that comprehensive information is obtained through multi-source data fusion, the deformation mechanism model considering the water-soil bidirectional coupling and the well storage effect is established, and the defects in multi-factor coupling, boundary condition processing and parameter inversion in the prior art are overcome.

The invention relates to a composite foundation settlement calculation method considering karst rock-soil interface grouting, which is characterized in that n layers of covering layers are arranged on a limestone karst area, the thicknesses of soil layers are respectively h1, h2,..., hn, the compression moduli of the corresponding soil layers are respectively Es1, Es2,..., Esn, the pile length of a composite foundation reinforcing pile is L, and the m layer is reinforced; the distance between the bottom face of the reinforcing pile group and the bottom face of each soil layer is Zm, Zm + 1,... and Zn, after karst grouting is considered, the compression modulus increasing coefficients of the soil layers above the bedrock face are lambda1, lambda2,... and lambdan, the lambdan is larger than or equal to 1.0, and the total settlement of the composite foundation is the product of the sum of the settlement S1 of the reinforcing area and the settlement S2 of the underlying layer and the settlement experience correction coefficient ms. According to the method, a composite foundation settlement calculation formula is improved, the soil layer compression modulus improvement coefficient lambda is introduced into the settlement calculation process, the synergistic effect of karst grouting and composite foundation reinforcement is comprehensively considered, and the settlement calculation precision of the high-speed rail karst roadbed composite foundation is remarkably improved.

The invention discloses a directional grouting test device and a visual test method for a goaf, and the method comprises the steps: building a bed rock, laying a mineral product to be mined, laying and filling an area to be reinforced, burying a soil pressure gauge and a water pressure gauge, burying a grouting floral tube, arranging a grouting inner tube, communicating a grouting system, and setting a particle imaging velocimeter PIV. In the test process, the seepage and diffusion process in the slurry and the stress state of the rock-soil body are monitored by using a soil pressure meter and a water pressure meter; calculating the total amount of slurry flowing into the model through a slurry barrel outer scale; after grouting is finished, original-state sampling is conducted on the grouting permeation reinforcement area, a mechanical property test and a microcosmic test are conducted, and the grout permeation and reinforcement effect is analyzed; the grouting pressure-seepage distance-mechanical property relation is obtained. The goaf directional grouting permeation simulation device can carry out goaf directional grouting permeation simulation, facilitates mechanical property test of original state sampling, and has the characteristics of visualization, simulation, monitoring and the like.

The invention relates to the technical field of underground space development, and provides a coastal bedrock type city underground space development geological suitability evaluation method comprising the following steps: analyzing key geological problems of land area and sea area underground space development, and extracting related geological factors; basic geological data are collected and classified, a geological suitability evaluation index system is constructed, and geological evaluation units are divided; subjective and objective weights are determined based on an analytic hierarchy process and an entropy weight method, and an optimal comprehensive weight is obtained through game theory combination weighting; modeling based on a grey correlation analysis method, and calculating and grading suitability scores of the evaluation units; and integrating evaluation results, and generating an underground space development geological suitability partition map of land-sea overall planning. According to the scheme, the underground space development pattern is optimized, comprehensive utilization of land and ocean resources is promoted, and safe, efficient and sustainable development and utilization of the coastal city underground space are powerfully supported.

The invention belongs to the technical field of geophysical exploration, and particularly relates to a method and a system for quantitatively measuring intrinsic parameters of bedrock fractures based on all-angle domain amplitude and phase joint inversion. The method comprises the following steps: acquiring geological radar reflection data of a target fracture at a plurality of incident angles; synchronously extracting data sequences of amplitude change along with angles and phase change along with angles; establishing a fracture reflection theoretical model; constructing a target function jointly constrained by the amplitude residual and the phase residual; and adopting a global optimization algorithm to minimize the target function, and synchronously inverting to obtain the fracture opening, the filler dielectric constant and the occurrence parameter. According to the invention, through the combined constraint of the amplitude and the phase, the inversion multiplicity is effectively inhibited; accurate system effect correction is adopted, so that the reliability of large-angle data is ensured; according to the method, multi-parameter synchronous inversion without prior hypothesis is realized, the inversion precision is small in relative error, the method is obviously superior to a traditional method, and the method has important engineering application value.

The invention discloses a test device and a test method for a vibration and dislocation double-input lower span tilting-sliding fault tunnel. The test device comprises a test box body, a hydraulic actuator, a loading unit, a covering layer soil body, a tunnel physical model and a sensor monitoring system, wherein the test box body consists of a movable steel plate and a fixed steel plate; the loading unit consists of an angle adjusting module and a hydraulic control system; a bed rock model, a covering layer soil body and a tunnel model are arranged through a modular construction method, and data are collected in real time through soil pressure, microseismic and strain sensors and displacement meters. According to the invention, the failure mechanism of the cross-fault tunnel under the coupling action of bed rock dislocation and pulse seismic oscillation can be accurately simulated, the damage rule of the combined action of fault dislocation and seismic waves to the tunnel structure is revealed by qualitatively and quantitatively analyzing the strain, displacement, soil pressure and seismic oscillation response of the tunnel, and a test basis is provided for the aseismic design of the cross-fault tunnel.

The invention discloses a geothermal favorable area prediction method and device based on numerical simulation, equipment and a medium. The method comprises the following steps: determining a substrate earth heat flow in a research area; establishing a two-dimensional geologic model, and counting the thermal conductivity value of each lithology of each stratum above the bedrock in the research area; performing thermal conductivity assignment on the two-dimensional geologic model, performing thermal conduction numerical simulation, and storing a temperature curve with a fixed depth; according to the temperature curve of the fixed depth, drawing a ground temperature contour plane graph of the fixed depth in the research area; analyzing geothermal conditions in the research area according to the basic geological data and the geochemical data; and determining the correlation between the ground temperature isoline plane graph and the geothermal conditions, and predicting the geothermal favorable area of the research area. According to the method for predicting the geothermal resource favorable area through numerical simulation, the temperature information in the research area can be accurately obtained, the precision is high, the efficiency is good, the method is more economical and practical, and convenience is provided for detection of the ground surface geothermal abnormal area.

The invention relates to the technical field of geological exploration, and particularly discloses a seismic exploration well depth analysis method based on a complex surface environment, which is used for solving the problems of blind well depth setting and low efficiency of a traditional artificial experience method. Comprising the steps of analyzing geological conditions of a complex earth surface and a shallow surface layer, constructing a middle-deep layer geological model, designing a partition well depth test, collecting multi-gradient well depth test data, performing automatic seismic reflection data analysis based on deep learning, performing intelligent well depth optimization inversion, performing field verification on the optimized well depth, constructing a three-dimensional data body and performing geological application analysis. According to the method, the well depth gradient and the landform recognition parameters are dynamically optimized for different landform areas such as a bedrock exposed area, a farmland section, a weathered object area and a gully area through a dynamic model fed back in real time, and automatic adaptive adjustment of the seismic exploration well depth is achieved.

The invention relates to the technical field of bridge construction, and provides a broken geological slope belt cable crane main anchorage and an anchor cable construction method.The main anchorage is arranged on slope zones on the two sides of an arch bridge and comprises an anchor beam, a plurality of anchor cables and a plurality of anchorage piers cast-in-place on a slope excavation platform, and the backs of the anchorage piers are obliquely arranged; each anchor beam is arranged between every two adjacent anchor piers, one end of each anchor cable is anchored in deep bed rock of the broken geological slope zone, and the other end of each anchor cable is connected with the corresponding anchor pier; aiming at a mountain slope zone with broken geology, the main anchorage adopts a pre-stress anti-pulling structure, so that large-volume excavation of a gravity type anchorage on a rock mass is avoided, the anchor cable can directly penetrate through a poor stratum by adopting a drilling sleeve follow-up technology, the hole forming difficulty is reduced, and the construction efficiency is improved. The effect of reinforcing the mountain of the broken layer on the back face of the main anchorage is further achieved by adopting a sealing structure for sealing pressure grouting, the integrity and the stress performance of the broken layer are improved, and the situation that the uplift resistance of the main anchorage is affected due to extrusion deformation of the mountain is prevented.

The invention provides a physical information long-short-term memory network site seismic response prediction method based on kinematics derivative constraint and data folding. The method comprises the following steps: collecting and preprocessing bedrock and ground surface seismic oscillation data; displacement, speed and acceleration supervision labels are constructed through surface acceleration integration; constructing a long-short-term memory network containing a data folding and unfolding module; physical constraint loss is constructed by utilizing kinematics derivative relations between displacement and speed and between speed and acceleration, and a network is trained by combining an adaptive weight strategy; and outputting earth surface displacement, speed and acceleration time history by adopting the trained network. According to the method, under the condition that constitutive parameters of a soil layer are not explicitly given, physical consistency constraint can be applied to the field seismic response prediction process, the long-time program train training burden is reduced through sequence folding processing, and the method is suitable for field seismic response prediction.

The invention discloses a VOCs steam invasion risk assessment method for a bedrock fracture site. The method comprises the following steps: S1, identifying an area where VOCs pollution exists in bedrock and underground water in the site; s2, establishing a pollutant transmission flux simulation test system; s3, carrying out a target pollutant transmission flux test in the polluted area by using the pollutant transmission flux simulation test system, setting a first transmission flux test point at the central position of the polluted area, and calculating a maximum influence area of the first transmission flux test point during a test period; s4, selecting a second transmission flux test point in a polluted area outside the maximum influence area of the first transmission flux test point, repeating the step S3, and calculating the maximum influence area of the second transmission flux test point during the test period; s5, repeating the steps S3 to S4 until the maximum influence areas of all the transmission flux test points are overlapped and then cover the whole pollution area; and S6, predicting the indoor steam invasion health risk of future crowds in the polluted area.

The invention provides a high dam foundation rock mass quality evaluation method, system and device based on RQD3D and damage and a medium. The method comprises the following steps that S1, a certain depth section of a drill hole or a footrill of a high dam foundation rock area is selected; s2, exploration, geophysical prospecting and testing are carried out on the drill hole or the adit, and all indexes and discontinuous surface geometric parameters needed by RQD3D calculation are collected; s3, proposing a concept of a three-dimensional equivalent rock mass integrity index RQD3D based on a three-dimensional fracture network simulation technology, and performing calculation; s4, the rock mass quality damage coefficient D is calculated based on changes of the sound wave velocities in the rock mass before and after excavation of the high dam foundation and under different water level working conditions; and S5, constructing a calculation formula of rock mass basic quality evaluation, and performing rock mass evaluation according to the assignment of full score 100. According to the evaluation and classification method provided by the invention, the three-dimensional integrity of the rock mass and the dam foundation rock mass quality damage before and after excavation and under different water storage working conditions are considered, evaluation factors are more perfect, and the method is more in line with engineering practice.

The invention discloses a tunnel face rock mass three-dimensional structure estimation method, and the method comprises the steps: obtaining point cloud data describing tunnel face space information, recognizing rock mass structural surface occurrence and two-dimensional space distribution information based on the point cloud data, calculating the inter-group spacing of each dominant group of the structural surface, and estimating the three-dimensional structure of the tunnel face rock mass. Based on the geometric center coordinate, the occurrence and the average elevation of the structural plane, calculating the inter-group spacing of each dominant group; calculating the joint fissure diameter and the joint fissure center coordinate; a joint fissure three-dimensional model is established by combining the diameter, occurrence and center coordinates of the joint fissure, and the representation form is disc-shaped fissures distributed in the rock mass; building a rock stratum layer three-dimensional model and a fault layer three-dimensional model by combining the two-dimensional trace position and occurrence, wherein the expression form is fracture of transverse rock mass; and coupling the joint fissure three-dimensional model, the rock stratum surface three-dimensional model, the fault model three-dimensional model and a bedrock model based on actual working conditions to obtain a discrete fissure network model, namely a rock mass three-dimensional structure.

The invention discloses a construction method of a shale gas exploitation area seismic oscillation parameter prediction model, and belongs to the technical field of seismic safety evaluation. Comprising the following steps of: by supplementing seismic line data such as existing destructive earthquakes and adopting a long and short axis seismic intensity joint attenuation relation model, performing regression to obtain an intensity attenuation relation of a moderate-intensity region; based on an NGA-West2 strong earthquake database, screening bedrock records of a free site of the reference area, and establishing an earthquake motion parameter prediction equation based on the hypo-central distance; then, converting the reference region prediction equation into a hypo-central distance prediction equation suitable for a moderately strong region through an intensity mapping method; and utilizing broadband speed records around the shale gas exploitation area, and adopting a step-by-step regression method to correct the magnitude item to obtain a corrected seismic oscillation prediction equation. According to the method, the adaptability of shallow source induced earthquakes is remarkably improved, the lower limit of the earthquake magnitude is expanded to 4.0, the regional characteristics are fully considered, and the method is suitable for earthquake safety evaluation of the southern Sichuan shale gas exploitation area.

The invention discloses an interface type landslide reduced scale model test sliding surface stress concentration identification method and structure. The upper covering soil body is arranged on the bed rock, and a sliding interface is formed on the contact surface of the upper covering soil body and the bed rock; the roller is arranged at the sliding interface, one part of the roller is positioned in the overlying soil body, and the other part of the roller is positioned in the bed rock; the protective shell is arranged in the bedrock, the rolling wheel is rotationally installed in the protective shell, and the protective shell isolates the rolling wheel from the bedrock; the monitoring assembly comprises a monitoring module, a controller and a display module, the monitoring module is used for monitoring the rotating speed and the rotating distance of the roller, the controller is used for receiving and processing monitoring information of the monitoring module, and the monitoring information is displayed through the display module. According to the method, the displacement development rule of the sliding interface in the soil body can be observed, the process from non-stress to emergency concentration to stress concentration damage of the soil body at different positions in the sliding interface can be observed from a dynamic angle, and the development condition of the sliding surface of the reduced scale model test can be judged.

The invention belongs to the technical field of induced earthquakes in hot dry rock exploitation, and provides a hot dry rock development induced earthquake and safety regulation ultra-large physical simulation system which comprises an experimental model, the experimental model comprises a top surface, a bottom surface and side surfaces, and distributed stress loading systems are arranged on the top surface, the bottom surface and the side surfaces of the experimental model; a heating feedback system is arranged between the distributed stress loading system and the bottom surface and the side surface of the experimental model, and an injection well and a production well are formed in the experimental model along opposite angles; the first temperature sensor, the high-temperature-resistant deformation sensor and the high-temperature-resistant fluid pressure sensor are arranged on the prefabricated fault, and the high-temperature-resistant acoustic emission and microseismic sensor is arranged on the boundary of the experimental model, so that the prefabricated fault is comprehensively monitored in the experimental process; the whole-process monitoring of the inoculation process of the induced earthquake caused by injection and production of the hot dry rock, the sliding of the prefabricated fault and the fracture of the bedrock is realized, and the mechanism of the induced earthquake is revealed.

The invention discloses a slope dangerous rock mass stability evaluation method and system based on kinetic parameters, and relates to the technical field of geological disaster risk evaluation, and the method comprises the steps: determining an instability mode based on the development characteristics and development environment of a to-be-evaluated slope dangerous rock mass; dangerous rock mass vibration characteristics and bed rock vibration characteristics of the slope dangerous rock mass to be evaluated are collected respectively; calculating dynamic characteristics of the slope dangerous rock mass to be evaluated based on the dangerous rock mass vibration characteristics and the bed rock vibration characteristics; based on a preset stability scoring table corresponding to the instability mode, scoring the development characteristics and the dynamic characteristics to obtain a scoring result; and carrying out stability evaluation on the to-be-evaluated slope dangerous rock mass based on the scoring result. According to the invention, the technical problems of insufficient evaluation result adaptability and low precision in the prior art are solved.

The invention belongs to the technical field of pile foundation construction, and particularly relates to a scene sound analysis method for interaction of a pile and a karst cave in a construction process, which comprises the following steps of: step 1, high-precision karst cave form detection: arranging crossed measuring lines with the pile foundation as a center, the length of the measuring lines being more than or equal to 20m and the spacing being less than or equal to 1m, synchronously adopting a high-energy acceleration tamper and the impact energy being more than or equal to 50kJ, active source surface waves are excited, the impact frequency ranges from 2 Hz to 5 Hz, environment noise is collected to serve as passive source surface waves, a three-component detector array is used for receiving, and the sampling rate is larger than or equal to 500 Hz. According to the method for analyzing the interaction scene sound of the pile and the karst cave in the construction process, by setting the method for analyzing the interaction scene sound of the pile and the karst cave in the construction process, wave velocity changes in the vertical direction and the horizontal direction and anomalies in high-speed and low-speed areas are analyzed, and the thickness of a covering layer and the burying depth of bed rock are deduced; the development depth, the scale and the space distribution condition of the monolith and the karst caves are determined.

The invention provides an arid region mountain vegetation bearing capacity assessment method and device, a medium and equipment, and the method comprises the steps: obtaining the rainfall capacity, the soil water quantity and the underground runoff capacity of a sample site in a monitoring time period, the underground runoff volume comprises the upper boundary runoff volume and the lower boundary runoff volume of a bedrock weathered layer corresponding to the sample site; estimating the total amount of absorbable water according to the rainfall, the soil water amount and the underground runoff; and according to the total absorbable water amount and the vegetation water demand corresponding to the vegetation, generating a corresponding vegetation bearing capacity evaluation result. According to the method, a total moisture mode is integrated, thin film water and weathered debris water storage in soil are comprehensively considered, a method system for evaluating the vegetation bearing capacity of the mountain land is provided, total moisture dynamic modes of different soil types can be accurately captured, a vegetation bearing capacity evaluation result is obtained, and scientific and technological support is provided for ecological restoration, vegetation configuration and water resource management of an arid region.

The embodiment of the utility model relates to the field of rock-soil settlement monitoring, in particular to a multi-stratum integrated layered settlement monitor. The multi-stratum integrated layered settlement monitor comprises a settlement pipe and a settlement magnetic ring, the settlement magnetic ring comprises an outer magnetic ring and an inner magnetic ring arranged on the outer side of the settlement pipe in a sleeving mode, and a supporting rod is arranged at the bottom of the inner magnetic ring and used for containing the outer magnetic ring; a plurality of transmission grooves parallel to the tangential direction of a certain ring body are formed in the outer magnetic ring, and one end of each transmission groove penetrates through the outer magnetic ring; a fixing needle is arranged in each transmission groove, and one end of each fixing needle is sleeved with a first spring used for ejecting the corresponding fixing needle out of the corresponding transmission groove. According to the embodiment, the defect that an existing layered settlement monitor cannot be used for monitoring deep hard rocks is overcome, and compared with a traditional bed rock mark and a layered mark, the drilling cost is greatly saved, stability and compatibility are improved, and the application range of strata is widened.

The utility model provides an underground shock insulation waterproof instrument pier structure. The underground shock insulation waterproof instrument pier structure comprises an instrument pier body, a building structure body, a drainage ditch, a shock insulation groove, a shock insulation filling layer, a waterproof protection layer, a middle buried type water stop belt, an externally attached type water stop belt, water stop rubber, an additional waterproof layer and a bedrock surface. The drainage ditch is communicated with the top of the shock insulation groove and is used for timely draining water when the water exists and protecting the instrument pier and equipment; the instrument pier body and the building body are separated to form a vibration isolation groove which is filled with a vibration isolation filling layer. The waterproof protection layers are arranged in the shock insulation grooves and located on the upper side and the lower side of the Chinese type water stop belt; one end of the embedded water-stop belt is pre-mounted on the instrument pier body, and the other end of the embedded water-stop belt is pre-mounted in the building structure body; one end of the externally-attached water-stop belt is pre-provided with an instrument pier and bedrock attaching surface, and the other end of the externally-attached water-stop belt is pre-installed on a building structure body and bedrock attaching surface, so that the externally-attached water-stop belt is more and more tightly attached through water pressure generated when water exists. According to the utility model, the embedded waterstop and the externally attached waterstop are adopted, so that good shock insulation and waterproof effects can be achieved, and the accuracy of bedrock data observed by an instrument is ensured.

The present application relates to geotechnical engineering and geological disaster prevention technical field, specifically disclose a kind of combined bedrock reconstruction and slope modification multi-cladding layer slope and its construction method, the present application is strengthened by constructing cemented rock-embedded groove the binding force of slope and bedrock, form anti-sliding "structure pile" effect, control bedrock seepage passage, significantly improve the overall collaborative stability of slope-bedrock;In the process of layered filling, embedded cemented soil and rock interlayer body, constitute continuous, multi-level interlayer structure, enhance the integrity of structure, overcome the problem of localization of traditional supporting structure;By being arranged between cemented soil and rock interlayer body and conventional soil and rock mixture embedded cemented layer gravel drainage groove, realize multi-channel grading drainage and anti-seepage function in slope, effectively reduce pore pressure;Through conventional drainage facilities and the drainage structure inside slope cooperation, form "upper cut, surface guide, lower discharge, buffer" four-in-one composite drainage system, improve the anti-sliding performance and seepage control ability of slope.

The present application provides a kind of geologic stratum lithology regional prediction method, system, terminal equipment and storage medium, it is related to computer system field.The system includes data management module, sample management module, model training module, model management module, lithology prediction module and the like.The present application utilizes geophysical, geochemical, remote sensing and other multi-source data, based on deep learning image segmentation algorithm, forms regional shallow surface stratum lithology identification model, carries out high-precision rapid stratum lithology prediction and regional segmentation to the bedrock exposed area and shallow cover area with lower exploration degree, supports geological mapping and mineral exploration work.

The invention relates to a convection type geothermal resource exploration method and relates to the technical field of geothermal exploration, the convection type geothermal resource exploration method utilizes comprehensive means such as unmanned aerial vehicle flight, geological survey and geophysical prospecting, comprehensive exploration is realized according to a specific process and a technical route, and the exploration accuracy is improved. An inversion processing method is utilized to construct an integration of accurately depicting the exploration method, so that the defect of single exploration in the prior art is overcome, a comprehensive exploration mode is formed from a shallow part to a deep part, from a point to a surface and from a plane to a three-dimensional part, and the convection type geothermal resource distribution condition is more accurately judged. The method is clear in principle, feasible in technology, capable of rapidly and accurately delineating the favorable optimal well position in the bedrock exposure area, suitable for optimal well position positioning and resource quantity evaluation of the convection type geothermal system controlled by a structure, and wide in application range.

The invention relates to a buried hill gas storage effective gas storage space evaluation method, and belongs to the technical field of oil-gas exploration. The method comprises the following specific steps: acquiring fracture development parameters; determining the type of a storage space; reservoir logging response characteristics are determined; extracting buried hill cracks; establishing a bedrock geologic model and a bedrock buried hill discrete fracture model of the target area; and importing the results into a gas storage simulation model in the form of data flow, extracting effective gas storage spaces of a substrate and a crack of the buried hill gas storage, and determining a final buried hill building effective gas storage space. Through research on the method for calculating the reservoir space of the buried hill oil and gas reservoir rebuilt gas storage, the problem of invalid reservoir space calculation is deducted, the calculation accuracy is improved, and theoretical support is provided for calculation of the buried hill reservoir building capacity and later injection and production well position deployment.

The present invention discloses a method, storage medium, and device for determining the flow direction of an intrusive rock mass. The method identifies the intrusive rock mass and the bedrock model in the intrusive rock mass within a three-dimensional region, determines the target bedrock model based on the seismic reflection characteristics of the bedrock model, and tracks the target bedrock model to obtain the three-dimensional spatial morphology of the target bedrock model. In addition, based on three-dimensional seismic data, the distribution characteristics of the fault system in the adjacent layers of the intrusive rock mass are determined. Finally, by combining the three-dimensional spatial morphology of the target bedrock model and the distribution characteristics of the fault system, the flow direction of the intrusive rock mass is comprehensively determined based on the correlation between the three-dimensional spatial morphology and the distribution characteristics of the fault system and the flow direction of the intrusive rock mass. This method can effectively determine the flow direction of deep intrusive rock masses, and can also provide a basis for the exploration of igneous rock masses, facilitating the implementation of well site deployment and well trajectory optimization.

The invention belongs to the technical field of anti-seepage curtains of red-bed landfills, and discloses an optimal design method for a vertical anti-seepage curtain of an irregular landfill in a red-bed region, which adopts a drilling, geological radar and X-ray diffraction combined technology in the exploration and data acquisition stage to clearly distinguish hydrophilic expansive mudstone and high-permeability sandstone, and the optimal design method for the vertical anti-seepage curtain of the irregular landfill in the red-bed region is provided for the vertical anti-seepage curtain of the irregular landfill in the red-bed region. A space coupling model of the pile body and the red rock stratum is established by means of three-dimensional laser scanning, and the lithologic boundary of the dual seepage system is defined; in the model construction stage, parameter distribution is analyzed through a Markov random field model, regular updating is conducted in combination with a Kalman filtering algorithm, and dynamic changes such as sandstone fracture expansion caused by pile settlement can be adapted; a modified bentonite and nanoscale montmorillonite composite material is used in a sandstone area, construction is conducted through a high-pressure jet grouting technology, the permeability coefficient is set to be that the insertion depth extends to the complete bed rock by 2-2.5 m, and the problem of local leakage caused by the fact that the seepage-proofing design is not matched with the actual conditions of a red layer is solved.

The invention belongs to the technical field of geological research, and provides a helium source rock prediction method and device, a storage medium and equipment, and the method comprises the steps: taking a bed rock top surface seismic horizon explained and tracked by a target area as a bed rock top surface, and taking a preset time window below the bed rock top surface as a target object; making a bedrock seismic waveform classification attribute graph of a preset time window; according to the bedrock seismic waveform classification attribute graph and the seismic reflection characteristics of the various different types of rocks of the bedrock, determining the corresponding relation between the different types of rocks of the bedrock and different seismic waveform distribution areas displayed by the bedrock seismic waveform classification attribute graph; and predicting helium source rocks of different types based on the corresponding relationship and different seismic waveform distribution areas displayed by the bedrock seismic waveform classification attribute graph to obtain a prediction result. Through the prediction method, on the premise of not depending on gravity and magnetic data, the prediction accuracy of the helium source rock can be greatly improved.