44 results about "Igneous rock" patented technology

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 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 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 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 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.

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.

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.

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.

The invention discloses an underground hot water resource prediction method, an underground hot water resource prediction device, underground hot water resource prediction equipment and a computer readable storage medium, and the method comprises the steps: carrying out the data preprocessing based on obtained geological data; carrying out plateau geological structure feature analysis on the basis of a fracture structure data set, a magmatic rock distribution data set, a gravity anomaly data set, a magnetic anomaly data set and an electrical structure data set to obtain graded fracture system parameters, deep heat source parameters and heat flow channel parameters; constructing a characteristic index system based on the graded fracture system parameters, the deep heat source parameters, the heat flow channel parameters and the geothermal display data set to obtain a comprehensive index system; based on the comprehensive index system, the geothermal display data set and the environment correction parameter set, a prediction model is constructed and trained, and a geothermal resource prediction model is obtained; and inputting the to-be-predicted area data into the geothermal resource prediction model to obtain a geothermal resource probability distribution diagram.

The invention discloses an igneous rock distribution range prediction method and system based on multiple integrals and a medium, and the method comprises the steps: determining the general distribution range of igneous rocks, carrying out the whole-region tracking of the top and bottom surfaces, and obtaining an igneous rock top enveloping surface and an igneous rock bottom enveloping surface; the method comprises the following steps: acquiring original seismic data, and performing multiple integration on the original seismic data based on a multiple integration algorithm to obtain a data volume after multiple integration; calculating a transverse gradient attribute based on the frequency-reduced seismic data volume after multiple integration; and according to the transverse gradient attribute, calculating a root-mean-square amplitude attribute between the igneous rock top envelope surface and the igneous rock bottom envelope surface, so that the igneous rock distribution range can be predicted. According to the method, the igneous rock distribution range is quickly and accurately predicted in combination with seismic data multiple integration and transverse gradient attribute methods, and technical support is provided for exploration deployment. The method is particularly suitable for predicting the igneous rock distribution range in a less-drilling-well area.

The application discloses a kind of seismic data processing method, device, equipment and storage medium, belong to the technical field of seismic exploration.The method is by Fourier transform to first seismic data and seismic wavelet, respectively obtain first spectrum and second spectrum, then based on first spectrum and second spectrum, determine the reflectivity data volume, convert the reflectivity data volume into lithology wave impedance body, again lithology replaces lithology wave impedance body, obtain igneous rock wave impedance body, convert igneous rock wave impedance body into igneous rock reflection signal data, finally, igneous rock reflection signal data is separated from first seismic data.It can be seen from this, the method only removes igneous rock strong reflection signal from seismic data, retains reservoir effective signal, so that reservoir prediction can be carried out based on reservoir effective signal, to improve the accuracy of reservoir prediction.

The invention relates to a method for producing a building material in which aggregate particles of porous igneous rock, in particular pumice, are wetted with a liquid component containing graphene oxide and silicon dioxide dispersed in water and subsequently, while in motion, contacted with a fine-grained component containing at least cement and finally dried or processed with a water-cement mixture in a mixer to form concrete. The invention further relates to a building material for producing concrete. The building material comprises aggregate particles of porous igneous rock, in particular pumice, and a coating containing cement, graphene oxide, and silicon dioxide, which is hydraulically hardened on a surface of the aggregate particles.

This invention relates to a method for predicting the height of a fault-sealed gas column using cross-sectional stress. Based on the principle that faults, regardless of their lithology, size, or burial depth, are always subject to pressure from the overlying strata and regional stress fields—meaning cross-sectional stress is universally present—this invention establishes a relationship between the magnitude of stress on the cross-section and the height of the hydrocarbon column it can seal. This allows for the prediction of the height of the fault-sealed oil and gas column in all lithological regions, particularly in igneous, metamorphic, and carbonate rock regions. This invention has broad applicability and can solve the problem of determining the height of a fault-sealed hydrocarbon column in special lithological regions.

This invention discloses an automatic analysis method and apparatus for geological events based on geological profiles. The method includes: (1) reading the geological profile, fault lines, and a list of sedimentary strata in the study area; (2) serializing the surface exposed strata of the profile into a coded sequence; (3) analyzing, reducing, and recording Quaternary sedimentary formation events; (4) analyzing and reducing igneous rock strata and recording intrusion events; (5) detecting faults and determining their types, and then recording the faults and their effects during movement; (6) identifying and recording folds according to the principle of symmetry; and (7) formatting the list of geological events and saving it as a local file. This invention can automatically analyze Quaternary sedimentary events, intrusion events, fault events, and fold deformation events in geological profiles with basic accuracy, and automatically analyze the related strata, with high efficiency and low cost.

The invention relates to the technical field of geochemical mass migration calculation, in particular to a geological evolution inactive element selection method, which is mainly characterized by comprising the following steps of: establishing a reaction substance-product geological evolution concept box model, determining the concentration of each element, fitting the system evolution degree by utilizing a least square method, and calculating the geological evolution inactive element. Calculating an inactive element partitioning coefficient threshold value to determine candidate elements, calculating partitioning coefficients of all the elements, and selecting the candidate element with the maximum partitioning coefficient as an optimal inactive element; compared with the prior art, the method has the advantages that subjective judgment in an existing method can be effectively overcome, and the problem that inactive elements are selected depending on experience is avoided, so that a more scientific and reliable geological evolution inactive element selection method is provided; the method has a wide application prospect in the geological research fields of structural background discrimination, magmatic rock classification, sediment source area analysis and the like.

The application provides a method and device for identifying the distribution of intrusive rocks based on angle domain processing and a medium, and belongs to the technical field of super-deep seismic exploration and development in complex igneous rock areas. The method comprises the following steps: establishing an initial depth domain velocity model; performing grid tomography iteration on the initial depth domain velocity model to obtain an iterated velocity model; performing parameter testing on the iterated velocity model to obtain optimal migration parameters; performing full-azimuth angle domain migration imaging based on the iterated velocity model and the optimal migration parameters to obtain common reflection angle gathers and common dip angle gathers; performing split-azimuth stacking based on the azimuth information of the common reflection angle gathers to identify the distribution characteristics of the intrusive rocks; and performing split-dip angle stacking based on the dip angle information of the common dip angle gathers to identify the distribution range of the intrusive rocks. The application can effectively identify the planar distribution characteristics and longitudinal extension degree of the intrusive rocks, and determine whether the intrusive rocks extend and pierce through the target layer, thereby reducing the risk rate of oil and gas reservoir prediction.

The application discloses a rock-based solidification method of radioactive waste, comprising the following steps: providing a powder of natural rock, the natural rock being a magmatic rock or a metamorphic rock; mixing the rock powder, an auxiliary agent and radioactive waste containing cesium and / or strontium to obtain a mixture, the auxiliary agent being selected from one or more of the group consisting of a dissolving agent and a mineralizing agent; and performing sintering treatment on the mixture at a temperature of 1000-1300 DEG C for 1-3 hours to obtain a solidification body. The method of the application uses widely available natural rock as a base material, and through the introduction of an auxiliary agent, the sintering process can be optimized or the structure of the solidification body can be improved, for example, the addition of a dissolving agent can reduce the sintering temperature to save energy, and the addition of a mineralizing agent can induce the generation of specific ceramic phases to improve the stability of the solidification body, and the effective fixation of radioactive waste containing cesium and / or strontium can be realized through a simple sintering process.

The present application relates to the technical field of geochemical quality migration calculation, in particular to a method for calculating the quality migration of geological evolution, and mainly comprises the following characteristics: an initial material-product geological evolution conceptual box model is established, the mass concentration of each element in different subsystems is determined, the system evolution degree epsilon is calculated to measure the degree of system mass change, the element activity ability is measured by calculating the partition coefficient D i , and finally the quality migration is calculated by using a formula to objectively reflect the mass change process of the element; compared with the prior art, the present application does not need to assume inactive elements, avoids subjective bias, can effectively overcome the influence of the closed effect, and provides more reliable calculation results of the element quality migration; the method is widely applicable to the field of geological research, and has significant application value in aspects of structural background discrimination, magmatic rock classification, and sediment source area analysis.

The application belongs to the field of quartz sand separation and purification, and specifically discloses a method for separating and purifying high-purity quartz sand from diorite, quartz diorite, granodiorite and granite series rocks, which comprises the following steps: S1, crushing, grinding and screening the magmatic rock sample; S2, performing multi-stage magnetic separation on the sand sample; S3, performing multi-pass continuous reverse flotation on the coarse sand; S4, performing attrition scrubbing on the quartz coarse sand concentrate; S5, performing regrinding, screening and multi-stage magnetic separation on the quartz coarse sand concentrate after attrition scrubbing; and S6, performing multi-pass continuous reverse flotation on the quartz fine sand. Through multi-pass continuous flotation, the method can greatly improve the quartz monomer dissociation rate while reducing energy consumption, and through acid pickling, high-temperature chlorination and magnetic separation, the purity of the quartz raw material is greatly improved, high-purity quartz sand is separated and purified from high-reserve magmatic rocks, the raw material resource cost is greatly reduced, and the range of high-purity quartz sand raw material resources is expanded.

The invention relates to the technical field of geochemical mass migration calculation, in particular to a method for calculating geological evolution mass migration volume, which is mainly characterized by comprising the following steps of: establishing a geological evolution concept box model of an initial substance-product, and determining the mass concentration of each element in different subsystems; calculating the evolution degree epsilon of the system to measure the mass change degree of the system, calculating the partition coefficient Di to measure the activity ability of the elements, and finally calculating the mass migration amount by using a formula to objectively reflect the mass change process of the elements; compared with the prior art, it is not needed to assume inactive elements, subjective deviation is avoided, the influence of the closing effect can be effectively overcome, and a more reliable element mass migration amount calculation result is provided; the method is widely applied to the field of geological research, and particularly has remarkable application value in the aspects of structural background discrimination, magmatic rock classification, sediment source area analysis and the like.

Low temperature deep cold fast drilling device. By derrick 1, power 2, rotary table 3, traveling block 4, crown block 5, liquid nitrogen tank car 6, liquid nitrogen delivery pipe 7, self sealing 8, rotary table, motor driven liquid nitrogen rotary conveyor 9, liquid nitrogen delivery pipe 10, low temperature deep cold drill bit 11, liquid nitrogen pump 12, air compressor 13, hydraulic flusher 14 respectively through mechanical connection, pipeline connection, power connection, thermal connection structure into rotary drilling low temperature deep cold fast drilling device. Suitable for drilling of hard rock mass of magmatic rock, sedimentary rock and metamorphic rock, application in geothermal resource development engineering, oil and gas resource development engineering, coal resource development engineering, groundwater and salt well resource development engineering, geological deposit exploration engineering. Suitable for reducing the cost of drilling in low quality resource deep well drilling engineering, reducing the drilling time, saving manpower and material resources, realizing the maximization of benefit.

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.

This invention provides a method and device for probabilistic tectonic environment discrimination based on multi-source geochemical data, relating to the field of geological exploration technology. It performs quality screening on whole-rock, zircon, and apatite data based on metadata of the target igneous rock sample, reducing the impact of raw data quality differences on the discrimination results from the data source. The detection limits of the screened whole-rock element vectors, selected zircon and apatite point data are made consistent through metadata to improve comparability across batches and laboratories and suppress spurious correlations. Features are calculated and aggregated for the transformed whole-rock element vectors, transformed zircon and apatite point data respectively, addressing the problems of non-standard multi-point data fusion and the inability to quantify cross-evidence consistency, thereby improving the stability of tectonic environment discrimination from multiple aspects.