80 results about "Igneous rock" patented technology

The invention discloses a magmatic rock mineral analysis method and system based on geological images, and relates to the technical field of mineral analysis. A magmatic rock mineral analysis system based on geological images comprises a magmatic rock feature analysis module and a magmatic rock comprehensive analysis module. According to the method, the magmatic rock mineral image and the magmatic rock geological auxiliary data are fused, so that the mineralization evolution history and the future mineralization potential of the magmatic rock can be disclosed; high-precision automatic recognition and classification of minerals in magmatic rocks are achieved through the mineral classification model, manual intervention is reduced, and the recognition efficiency and accuracy are improved; the extracted mineral crystallization characteristics are integrated with the oxygen fugacity characteristics, so that the conjoint analysis of the physical structure and the chemical property of the mineral is realized, and more comprehensive data support is provided for subsequent geological evolution research and mineral product prediction.

The invention discloses an offshore buried hill reservoir lithology identification method based on a field adaptive network, provides an optimized data enhancement strategy aiming at the problems of lithology sample category imbalance and well logging response intersection and overlapping, and provides an optimized data enhancement strategy aiming at the field distribution offset of lithology sample data. And a field adaptive network lithology identification model based on an automatic weighting mechanism is constructed. Experiments based on logging information show that the lithology identification method provided by the invention is superior to the existing method in the aspect of accurately identifying the complex lithology of igneous rock, and the model shows good generalization ability.

A method for evaluating geological hydrogen source rock in a region is provided. The method includes: collecting magnetic susceptibility data from a plurality of subsurface locations in the region; receiving geophysical survey data of the region, wherein the geophysical survey data comprises geophysical data collected from above ground; tying the magnetic susceptibility data of the plurality of subsurface locations to the geophysical survey data; generating a geologic map of igneous rock, metamorphic rock, or mafic mineral- or iron-rich sedimentary rock within the region based on the magnetic susceptibility data using a model; and determining, based on the geologic map, a target zone of the geological hydrogen source rock with a potential for hydrogen production or with the potential for hydrogen accumulation.

This invention discloses a three-dimensional multi-parameter fusion method and system for igneous rock location, relating to the field of geological exploration. The method includes: acquiring three-dimensional geological parameter data of a target area and preprocessing it to obtain three-dimensional multi-parameter data; using a trained igneous rock classification and recognition model to identify the probability prediction value of the type of each three-dimensional grid in the three-dimensional multi-parameter data; and performing smoothing processing based on the probability prediction values ​​of the three-dimensional grid types and the probability prediction values ​​of neighboring three-dimensional grid types to determine the final type of all three-dimensional grids, thereby obtaining the igneous rock mass type and three-dimensional location. This invention, by aligning and fusing multiple three-dimensional data of the target area and confirming the rock mass type of each three-dimensional grid based on multiple parameters, can accurately identify the rock mass type at each location, thus improving the accuracy of igneous rock mass location.

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 discloses a magmatic rock positioning method and system based on three-dimensional multi-parameter fusion, and relates to the field of geological prospecting, and the method comprises the steps: obtaining the three-dimensional data of each geological parameter of a target region, and carrying out the preprocessing of the three-dimensional data to obtain three-dimensional multi-parameter data; identifying a probability prediction value of a type to which each three-dimensional grid belongs in the three-dimensional multi-parameter data by using the trained magmatic rock classification and identification model; and according to the probability prediction value of the belonging type of the three-dimensional grid and the probability prediction value of the belonging type of the adjacent three-dimensional grid, carrying out smoothing processing to determine the final types of all the three-dimensional grids, and obtaining the magmatic rock body type and three-dimensional positioning. According to the method, the rock mass types of the three-dimensional grids are determined based on the various parameters by aligning and fusing the various three-dimensional data of the target area, and the rock mass types of the positions can be accurately determined, so that the rock mass positioning accuracy of the magmatic rock is improved.

The invention provides a magma contact metamorphic zone coal quality prediction method based on organic geochemical data, and relates to the technical field of coal quality prediction. The magma contact metamorphic zone coal quality prediction method based on the organic geochemical data comprises the following steps that S1, at least two sampling sections are arranged in the direction perpendicular to a contact zone of a magma rock mass and a coal seam, one sampling section is perpendicular to a coal seam sedimentary layer, the other sampling section is parallel to the coal seam sedimentary layer, coal samples are collected on the sampling sections at equal intervals, and coal samples are obtained; and obtaining organic geochemical data of the critical control points. Through sparse sampling and transition point recognition algorithms, data requirements are greatly reduced, the prediction period is shortened, complex simulation is replaced by template matching, the prediction process is intuitive and explainable, a multi-source verification and reliability grading mechanism ensures that the result is stable, the overall method is high in practicability and easy to deploy and apply in a resource limited scene, and the prediction efficiency is improved. And the decision-making quality and benefit are improved.

The invention relates to the technical field of construction engineering foundation treatment, in particular to a foundation structure based on a high-saturation brine crystallization technology and a construction method of the foundation structure. The foundation structure comprises a basic primary salt rock bearing layer, a bottom framework cementing layer and a surface sand gravel compensation layer. As the magmatic rocks are very hard, high in density and enough in salt lake chemical environment resistance, the magmatic rocks are directly put into a hypersalinity brine area to form a rigid framework, framework building-in, gap filling and overall cementing are achieved through natural crystallization of salt lake hypersalinity brine, and a core rigid framework of the foundation is formed; the structure can be connected with a primary salt rock bearing layer of a lower foundation to form a stress transmission system, can resist soaking erosion caused by conventional fluctuation of the brine water level, has anti-floating and anti-seepage dual performance, can improve the foundation bearing capacity and the anti-settling capacity, and enables a building newly built on a salt lake to be more stable. Meanwhile, the magmatic rocks are natural materials, so that the salt lake environment is not polluted, and the environmental protection property is good.

Systems and methods for sequestering carbon, evolving hydrogen gas, producing iron oxide as magnetite, and producing magnesium carbonate as magnesite through sequential carbonation and serpentinization / hydration reactions involving processed olivine- and / or pyroxene-rich ores, as typically found in mafic and ultramafic igneous rock. Precious or scarce metals, such nickel, cobalt, chromium, rare earth elements, and others, may be concentrated in the remaining ore to facilitate their recovery from any gangue material.

A method for evaluating geological hydrogen source rock in a region is provided. The method includes: collecting magnetic susceptibility data from a plurality of subsurface locations in the region; receiving geophysical survey data of the region, wherein the geophysical survey data comprises geophysical data collected from above ground; tying the magnetic susceptibility data of the plurality of subsurface locations to the geophysical survey data; generating a geologic map of igneous rock, metamorphic rock, or mafic mineral-or iron-rich sedimentary rock within the region based on the magnetic susceptibility data using a model; and determining, based on the geologic map, a target zone of the geological hydrogen source rock with a potential for hydrogen production or with the potential for hydrogen accumulation.

The present invention discloses a method for finding water and determining well positions in magmatic rock hilly areas, comprising the following steps: Step 1: Satellite image recognition; Step 2: Geomechanical analysis; Step 3: Field investigation tracking and on-site evaluation; Step 4: Geophysical exploration; Step 5: Well position determination. The present invention adopts new technical means such as satellite image recognition and geomechanical analysis, and combines conventional technical methods such as hydrogeological investigation, surface geophysical prospecting, and hydrogeological drilling. Aiming at main water storage structures such as fault zones, dikes, and lithologic contact zones, a set of easy-to-master and convenient-to-operate water-finding and well-position-determining technical methods of "satellite image recognition - geological stress analysis - investigation and verification - fracture network detection - well position confirmation - drilling and well completion" has been created, forming a three-dimensional comprehensive water-finding technical system from space to the ground, from plates to sections, from regions to local areas, and from the ground to underground.

The invention provides a volcanic rock complex area pre-stack space residual amplitude compensation method, and relates to the technical field of seismic post-stack data compensation. According to the method, the amplitude change rule of the target stratum is reflected through root mean square amplitude statistics of the igneous rock development area target stratum; after smoothing and normalization, abnormal root mean square amplitude attributes caused by bad traces and abnormal traces possibly existing in the seismic superposition data are eliminated; by extracting an amplitude compensation factor, obtaining a calculation factor which can be applied to the pre-stack CMP gather; the pre-stack space residual amplitude compensation of the volcanic rock complex area is realized, and the spatial amplitude consistency of a target layer is improved.

The invention relates to the technical field of oil exploration and development, in particular to a method, medium and equipment for predicting permian igneous rock leakage, and the method comprises the steps: collecting the data of an adjacent drilled well; well-seismic calibration is completed; and summarizing the reflection characteristics of the Yingan rock and tuff layer sections of the drilled well, predicting the distribution of the Yingan rock and the tuff according to the reflection characteristics of the to-be-drilled well, and further predicting the permian igneous rock leakage well section. According to the method, the well drilling data and the seismic data are combined, and the lateral change of the seismic data is utilized to predict the development conditions of the permian Inan rock and the tuff, so that the leakage prediction precision is improved. Compared with the prior art that the position of the leaked section is detected after drilling, the method has the advantages that prediction of the to-be-drilled permian igneous rock leakage section is achieved, the leakage risk is predicted for drilling engineering, the drilling engineering can respond in advance, the drilling difficulty is reduced, and the drilling efficiency is improved.

The application discloses a qualitative identification method for thin-layer mudstone interlayer in volcanic rock, which comprises the following steps: firstly, determining a mudstone section stably existing in the whole area through core observation and logging data, and taking the mudstone section as a standard section; secondly, selecting three curves (a neutron logging curve, an acoustic time difference logging curve and a density logging curve) responding best to the mudstone, standardizing logging curves of the standard section and the volcanic rock section in the whole area, and determining the peak value and the distribution range of the logging curves; selecting sample points with the best effect in the mudstone section and the volcanic rock section, taking the acoustic time difference logging curve as the horizontal coordinate, and taking the neutron logging curve and the density logging curve as the vertical coordinate respectively to establish a logging interpretation chart, qualitatively determining the identification standard of the mudstone and the igneous rock, and predicting the mudstone interlayer in the volcanic rock in a single well according to the chart. The application solves the problem of qualitative identification of the thin-layer mudstone interlayer in the volcanic rock, and provides reliable technical support for the analysis of the remaining oil potential of the igneous rock.

The present invention provides a comprehensive method for suppressing the strong shielding of igneous rocks and recovering the effective weak signal energy of the underlying strata, comprising: step 1, establishing a corresponding forward model for the actual geological conditions of the igneous rock development area, quantitatively analyzing the seismic response characteristics of the igneous rocks and the factors affecting the underlying strata, and establishing an identification plate; step 2, according to the results of step 1, comparing and analyzing the changes in the main geophysical characteristics of the actual seismic data of the igneous rocks and their influence on the underlying strata; step 3, according to the results of step 2, conducting an analysis of the dominant frequency bands of the igneous rocks and their underlying strata, and optimizing the two-dimensional mixed phase graded wavelet in the dominant frequency band of the underlying target layer for time-frequency domain deconvolution, and performing energy recovery processing on the convolution results to obtain optimized seismic data. This method weakens the interference of igneous rocks, enhances the reflection characteristics of sand bodies, improves the identification accuracy of faults, and has high application value and good promotion prospects.

The invention provides an inflection wave imaging method based on reverse time migration, and the method comprises the steps: 1, carrying out the extrapolation of a seismic source wave field and a detection point wave field, and extracting the local ray parameters of the wave fields; 2, calculating a local stratigraphic dip angle of the wave field; 3, if the local stratigraphic dip angle is larger than 90 degrees, the inflection wave single-shot imaging result is calculated; if the local stratigraphic dip angle is smaller than 90 degrees, an imaging reflection angle is calculated; 4, calculating an inflection wave imaging result; 5, accumulating single shot results to a final imaging result; and step 6, repeating the steps 1 to 5 until all shots are calculated. According to the inflection wave imaging method based on reverse time migration, an inflection wave is imaged by using a two-way wave equation wave field bidirectional continuation reverse time migration method, so that the imaging precision of a high and steep dip angle complex structure is improved, and technical support is provided for especially exploration of high and steep structure complex areas such as salt mounds, igneous rocks and reverse masks.

The present application relates to a method, system, computer device, and storage medium for igneous rock constraint velocity modeling. The method includes: obtaining spatial distribution characteristic information of igneous rocks at different scales by using igneous rock seismic facies; taking the spatial distribution characteristics as constraint conditions, constructing an initial objective function in the objective function of conventional tomography inversion, wherein the spatial distribution characteristics are used to perform seismic facies constraint on the objective function of conventional tomography inversion; applying the igneous rock regional velocity interval information extracted from the seismic facies to the inequality regularization term, obtaining a new objective function from the initial objective function, and establishing a new objective function of seismic facies-controlled tomography inversion with inequality constraint; applying the new objective function to the tomography inversion process to perform igneous rock velocity modeling based on inequality regularization; being able to reasonably control velocity anomalies of igneous rocks with different lithologies and improve the accuracy and stability of igneous rock modeling.

The invention provides a multi-source geochemical data-based tectonic environment probability discrimination method and equipment, and relates to the technical field of geological prospecting, quality screening is performed on total rock, zircon and apatite data according to metadata of a target igneous rock sample, the influence of original data quality difference on a discrimination result is reduced from a data source, and the discrimination efficiency is improved. The screened total rock element vector, the screened zircon point location data and the screened apatite point location data are subjected to detection limit uniformization through metadata, so that the comparability of cross-batch and cross-laboratory is improved, and false correlation is inhibited; and feature calculation and feature aggregation are performed on the transformed total rock element vector, the transformed zircon point location data and the transformed apatite point location data, so that the problems that multi-point location data fusion is not standard and cross-evidence consistency cannot be quantified are solved, and the judgment stability of a construction environment is improved from multiple aspects.

This invention discloses a comprehensive prediction method for oil-uranium-hot dry rock-shale oil in sedimentary basins, belonging to the field of geological exploration technology. This method involves using effective geophysical methods to extract basic geological background information, constructing a three-dimensional spatial framework of the basin, clarifying the correlation between structures, strata, and igneous rocks, calculating the correlation coefficient and intercept of airborne gravity and magnetic anomalies, initially screening key target areas, extracting key information on energy resource accumulation / mineralization, performing two-dimensional or three-dimensional characterization of target geological bodies, combining magnetotelluric sounding inversion profiles with seismic and drilling data, adjusting core parameter settings, and overlaying oil-uranium-hot dry rock-shale oil resource accumulation / mineralization evaluation information to obtain comprehensive energy resource prediction results. This method can provide scientific and technical support for basic geological research on oil-uranium-hot dry rock-shale oil in sedimentary basins and provide comprehensive and reliable prediction of resources.

The present invention discloses a method, device, equipment and medium for determining the distribution of magma in an intrusive fault zone, which relates to the technical field of oil and gas field exploration and development, including: loading geological data of a target area; constructing a fault plane of a magma intrusive fault zone in the target area based on the geological data; calculating a magma distribution indicator factor of the magma intrusive fault zone in the target area; and determining the magma distribution position in the magma intrusive fault zone in the target area. The present invention considers the value characteristics and frequency characteristics of the seismic information of the magma intrusion body, and combines the distribution characteristics of the fault to propose a magma distribution indicator factor S of the igneous rock intrusive fault zone, thereby achieving the purpose of quantitatively predicting the distribution range of magma in such fault zones. It can be used to predict the closed and drained oil and gas locations in the fault zone, and the resulting prediction effect is more in line with actual geological laws. It does not require the statistics of a large number of geological parameters, and can be directly studied on seismic data, making the implementation process more intuitive and rapid.

An inductively heated bushing box and fiber formation method for an igneous rock melting furnace. The bushing box includes side walls with a water cooling system surrounded by one or more induction coils for maintaining and even temperature distribution of melted charge before the melt is extruded through tips of a bushing plate. The bushing plate is offset from the bottom of the one or more induction coils to avoid end effects and better ensure consistent eddy current formation. By increasing the uniformity of temperature distribution over a larger surface area, the system allows for a greater number of tips per bushing plate, and therefore provides for greater efficiency.

Apparatuses, systems, and methods are disclosed for producing and liberating hydrogen gas and sequestering carbon dioxide through sequential serpentinization and carbonation (mineralization) reactions conducted in situ via one or more wellbores that at least partially traverse subterranean geological formations having large concentrations of mafic igneous rock, ultramafic igneous rock, or a combination thereof.

The invention discloses an igneous rock mineral admixture activity improving material and a preparation method and application thereof, and belongs to the technical field of civil engineering materials.The igneous rock mineral admixture activity improving material comprises a chemical excitation component, a dense reinforcing component and a surface modification component, the mass ratio of the chemical excitation component to the dense enhancement component to the surface modification component is (0.5-6): (0.5-6): 1. Aiming at lithology of igneous rocks, the activity improving material can realize activity improvement of igneous rock mineral raw materials from three directions of chemical excitation, density enhancement and surface modification.

The present invention provides a method for determining rock lithology, a storage medium and a computer device. The method comprises: S100: obtaining the molecular formula of each of a plurality of pure minerals; S200: obtaining the element types and the proportional coefficients of each element type in the target igneous rock; S300: based on the molecular formula of each of the plurality of pure minerals, according to the element types and the proportional coefficients of each element type in the target igneous rock, determining the mineral types and the mass content of each mineral type in the target igneous rock by an inversion method; S400: determining the igneous rock types and the mass content of each igneous rock type in the target igneous rock; S500: determining the lithology type of the target igneous rock according to the igneous rock types and the mass content of each igneous rock type in the target igneous rock. The method can be used to effectively determine the quantitative relationship between the mineral content and the elements of the igneous rock.

A pelletized nutritional soil conditioning formulation which includes particulates of igneous rock; particulates of a carbon source; and a binding agent to bind together the particulates of igneous rock and the carbon source.

The invention discloses an igneous rock seismic fractal recognition and construction method. The method comprises the steps of well seismic calibration; determining the distribution type of igneous rocks in the research area based on well-seismic calibration; seismic detection of the intrusive rock mass: eliminating strongly reflective sandstone in the intrusive rock mass in the research area to obtain an intrusive rock attribute body; carrying out earthquake detection on the fire body, extracting a variance body of the fire body in the research area, carrying out normalization, and pressing a high-value section by using a target pressing and releasing technology to obtain an indicator of the fire body; carrying out the extraction of the top and bottom enveloping surfaces of the fire body from the attribute body after the target compression, and carrying out the background compression of the fire body through the constraint of the top and bottom enveloping surfaces of the fire body, thereby forming a background shielding reinforcement of the fire body; and performing fractal construction on the igneous rock, and combining the intrusive rock attribute body and the fire body background shielding reinforcement body to obtain a complex of igneous rock space distribution. According to the method, spatial distribution of igneous rocks is comprehensively described through fractal detection and an embedded construction technology, and a geological foundation is laid for well trajectory optimization and well leakage prevention of an igneous rock development area.

The present invention provides a method for igneous rock wave impedance inversion based on combined magnetic and seismic low-frequency modeling. This method comprises the following steps: 1. using multi-scale analysis to strip deep magnetic anomalies and quantitatively obtain residual magnetic anomalies in igneous rocks; 2. analyzing seismic reflection characteristics to characterize the three-dimensional boundary geometry of igneous rocks; 3. performing deep-domain three-dimensional combined magnetic and seismic modeling; 4. constructing a combined magnetic and seismic low-frequency wave impedance model; and 5. performing combined magnetic and seismic wave impedance inversion. This method effectively integrates the respective advantages of magnetic and seismic methods to construct low-frequency and high-resolution wave impedance models of igneous rock development zones, providing a more comprehensive reference for the subsequent detailed description of favorable volcanic reservoirs and the deployment of exploration targets.

The invention relates to the technical field of oil-gas exploration and reservoir evaluation, and discloses an igneous rock oil-gas content quantitative detection method, which comprises the following steps: S1, rock sample selection and pretreatment: cutting a representative igneous rock sample into a sample with a standard size, and sealing and storing; s2, measuring the porosity and permeability of the sample to obtain pore volume and pore structure information; s3, placing the sample in a high-temperature and high-pressure experimental device, gradually increasing the pressure to target pressure, heating to target temperature, and simulating reservoir temperature and pressure conditions; and S4, under the target temperature and pressure condition, enabling the fluid in the sample to reach a balanced state. By simulating the real formation temperature and pressure conditions, the problem of oil and gas release of closed pores and micropores is solved, accurate quantitative detection of the oil and gas content in igneous rocks is realized, and the method is suitable for various igneous rock types and complex pore structures and ensures that the measurement result is stable and reliable.

This application provides a method, apparatus, equipment, and medium for profile restoration, relating to the field of geological structure restoration technology. The method includes: determining a deformed region in a target profile to be restored; wherein the target profile is a cross-sectional view of a target region, which is a region that has been intruded by igneous rocks and deformed into gypsum-salt rocks; identifying a reference surface based on the deformed region to determine a target reference surface in the target profile; wherein the target reference surface includes a top interface of the reference surface; performing preliminary restoration of the target profile based on the target reference surface to generate an original profile; wherein the original profile includes the original sedimentary interface of the gypsum-salt rocks; generating a geological structure profile corresponding to the original profile; and performing curve fitting between the top interface of the reference surface and the original sedimentary interface in the geological structure profile to determine the restored profile corresponding to the target profile. This application can effectively solve the problem that existing balanced profile techniques cannot accurately restore geological structure profiles after igneous rock intrusion.

The present invention is directed to a vertical volcanic rock melting furnace having a reduced spatial footprint relative to prior art furnaces. The melting furnace includes a top melting section, which raises the temperature of a charge above the liquidus temperature, a middle cooling section configured to reduce the temperature of the melt, and a bottom conditioning section configured to maintain the melt above a crystallization temperature before the melt is distributed to one or more bushing plates to extrude into fibers. The top melting section and the bottom conditioning sections are surrounding by induction coils for inductively raising the temperature of the melt.