12 results about "Igneous rock" patented technology

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.

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.

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 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.

This invention provides a method for igneous rock facies classification and prediction based on multi-physics discriminant factors, relating to the field of oil and gas field exploration and development technology. The method includes: S1: Constructing a multi-dimensional facies classification model based on diagenesis, integrating lithology index and structural maturity index to quantitatively classify geological facies; S2: Performing principal component analysis on well logging curves to select sensitive well logging curves and construct a sensitive well logging dataset; S3: Constructing rock physical facies factors through Fisher discriminant analysis; S4: Projecting known facies samples onto the rock physical facies factor space, training a classification model using a support vector machine algorithm, and generating a facies identification map; S5: Substituting target well data into the model to complete single-well facies identification; S6: Establishing the correlation between rock physical facies factors and seismic elastic parameters, inverting the seismic data volume into a three-dimensional attribute volume of rock physical facies factors based on a Bayesian inversion framework, fusing them to generate a three-dimensional facies model, thus realizing facies prediction from well point to three-dimensional space.

This invention discloses a method for calculating the reference intensity of X-ray diffraction mineral quantitative analysis, relating to the field of oil and gas exploration and development technology. This invention utilizes the X-ray diffraction full-spectrum fitting method to design an initial crystal structure model of the mineral, construct a theoretical X-ray diffraction spectrum, refine the mineral crystal structure parameters and peak shape function parameters, fit the mineral percentage content, and derive the required reference intensity K value using the mineral percentage content calculation formula from the standard (SY / T5163-2018) "X-ray Diffraction Analysis Method for Clay Minerals and Common Non-Clay Minerals in Sedimentary Rocks". This allows for the true realization of quantitative X-ray diffraction mineral analysis for sedimentary rocks, igneous rocks, and metamorphic rocks.

This invention belongs to the field of carbon dioxide capture, utilization, and storage technology, and relates to a method and system for quantitatively assessing the carbon dioxide storage potential of igneous rocks. The method includes: preparing standard rock thin sections and acquiring digital microscopic images of these sections; performing pixel-level segmentation and classification on the digital microscopic images, extracting and calculating the microscopic characteristic parameters of the target igneous rock; determining the optimal probability distribution function corresponding to each microscopic characteristic parameter, and establishing a statistical distribution model of the microscopic characteristic parameters of the target igneous rock; Monte Carlo simulation and storage potential calculation; and result visualization and output. This invention realistically reproduces the spatial configuration relationship of minerals and pores in underground reservoirs, significantly improving the geological authenticity of the assessment results. By outputting the probability distribution and characteristic values ​​of the storage potential through Monte Carlo simulation, it quantifies the impact of rock heterogeneity on the storage potential.