58 results about "Mineral composition" patented technology

The application discloses a kind of cemented filling goaf in power plant flue gas disposal quantity calculation method, the method includes: obtaining filling goaf volume and buried depth etc. Geological data, the physicochemical characteristics such as mineral composition, porosity, permeability of cemented filling body are determined by experiment;Accordingly, the theoretical flue gas fixation capacity of cemented filling body is calculated;Through cemented filling body mineralization sealing flue gas test, the flue gas diffusion range under different injection pressure is obtained, and then the mineralization sealing flue gas efficiency is obtained;According to the test data, the numerical model of cemented filling goaf sealing flue gas is established, the flue gas migration and chemical reaction rate are verified and analyzed, and the mineralization sealing flue gas efficiency is corrected according to the simulation result;Potential formula of filling material sealing power plant flue gas is established, and the flue gas disposal quantity is calculated;According to the measured data of filling disposal power plant flue gas, the potential formula of filling sealing power plant flue gas is verified.The calculation principle is simple, which provides a flue gas injection quantity theoretical calculation method for filling mining disposal process of power plant flue gas.

This invention relates to the field of oil and gas field development, and discloses a full-scale DAS (Digital Angiography and Semiconductor) device and method for monitoring the integrity of hydrate development wellbore. The device includes a formation simulation device, a wellbore simulation device, and a monitoring device. The formation simulation device comprises a temperature control system, a pressure control system, and a simulated formation. The temperature control system, pressure control system, and simulated formation are connected to the wellbore simulation device. The temperature control system and pressure control system are used to simulate the actual temperature and pressure of the hydrate formation. The simulated formation is prepared according to the actual mineral composition and grain size distribution of the hydrate reservoir. The monitoring device is located outside the wellbore simulation device and works in conjunction with the formation simulation device to perform real-time, full-well-section monitoring during hydrate development. This invention can simulate real wellbore conditions and perform real-time, continuous monitoring of the entire wellbore to meet the needs of dynamic downhole monitoring in actual production.

This invention belongs to the field of oil and gas production enhancement and stimulation technology. It provides a FDEM simulation method and system for mineral-scale shale hydration-induced fracturing. The method includes the following steps: obtaining target reservoir stress, rock porosity, and permeability; preparing rock samples from the target stratigraphic layer and obtaining the mineral composition and content through X-ray diffraction experiments; constructing a polycrystalline geometric model of the minerals using random Voronoi mosaic technology; conducting core immersion hydration experiments to obtain the relationship between core water content and time; setting initial and boundary conditions for the model and establishing a numerical model of clay mineral hydration expansion-induced fracturing based on the finite discrete element method; and conducting numerical experiments on shale hydration-induced fracturing to obtain the micro-fracture propagation morphology induced by clay mineral hydration expansion. This invention considers the non-uniform mosaic distribution of multiple minerals in the reservoir rock, simulates the non-uniform stress distribution induced by clay mineral water absorption and expansion, and realizes numerical simulation of the mineral-scale shale hydration-induced fracturing process.

The present invention addresses the problem of providing a water production apparatus which is capable of efficiently and accurately producing target water that contains an additive such as a mineral component.　A water production apparatus 1 comprises: an additive starting material storage tank 51 for storing an additive starting material for preparing an additive on the basis of specification information on specific target water; an additive stock solution storage tank 53 for storing an additive stock solution that is obtained by dissolving the additive starting material into raw water; an additive stock solution preparation information generation unit 32 for generating additive stock solution preparation information for preparing the additive stock solution by dissolving (mixing) the additive starting material in the raw water on the basis of the specification information; and an additive stock solution preparation unit 33 for dissolving the additive starting material stored in the additive starting material storage tank 51 into the raw water on the basis of the additive stock solution preparation information so as to prepare the additive stock solution and storing the additive stock solution in the additive stock solution storage tank 53.

The application provides a fault identification method and system based on multi-element spectral mineral anomaly analysis, relates to the fields of geology, spectroscopy, petrology and engineering geology, and a specific scheme comprises the following steps: in-situ testing of tunnel surrounding rock is carried out by using a visible light-near infrared, mid-infrared and laser Raman spectrometer, and mixed spectral variation characteristics are extracted; based on the mixed spectral variation characteristics, the mineral composition of the tunnel surrounding rock is identified according to the spectral identification standard of the abnormal mineral combination of the fault zone, quantitative inversion of the minerals is carried out, and the mineral content is obtained; according to the mineral anomaly mode of the fault zone, mineral anomaly analysis is carried out on the mineral composition, and the mineral anomaly type is obtained; based on the differential change of the mineral content and the mineral anomaly type, mineralogical anomaly characteristic analysis is carried out, and the fault identification result is output; the application replaces the experience knowledge of traditional geologists with quantitative information of multi-element spectral mineral anomaly, and further improves the accuracy and efficiency of fault identification in tunnels and underground engineering.

A system and method for X-ray diffraction composition analysis based on machine learning utilizing domain knowledge is proposed. The method for X-ray diffraction composition analysis based on machine learning utilizing domain knowledge may include inputting X-ray diffraction data of a mineral; preprocessing the input X-ray diffraction data by normalizing the data per dataset, and generating a clustering model by using the preprocessed X-ray diffraction data. The method may also include generating a mineral composition analysis model by using the preprocessed X-ray diffraction data, and classifying new X-ray diffraction data into usual composition data or unusual composition data using the clustering model after inputting and preprocessing the new X-ray diffraction data. The method may further include estimating the mineral composition of the new X-ray diffraction data classified as the usual composition data through analysis using the mineral composition analysis model.

This invention provides a refined design method for explosive charge quantity based on rock mineral particle structure, relating to the field of geotechnical engineering blasting technology. This invention maps the mineral composition and particle size data of rock samples to mineral hardness distribution characteristics and particle structure characteristics, respectively, and generates a high-dimensional feature vector through nonlinear encoding fusion. This vector is input into a graph neural network, and a rock structure feature relationship map is formed through node representation and attention mechanisms. Using this map as a condition, under the constraint of baseline explosive consumption, a deep generative network learns and outputs a differentiated charge distribution matrix corresponding to spatial location. After alignment and transformation with blasting hole mesh parameters, a charge allocation design map is generated. Finally, after blasting based on this design map, actual effect indicators are collected to construct a multi-objective optimization function. An optimization algorithm is used to adjust the parameters of the graph attention mechanism and the generative network in reverse according to the effect differences, achieving iterative optimization of the model.

This invention relates to the field of cement building materials technology, specifically disclosing a method for improving the strength of silicate clinker based on mineral and crystal composition analysis. The method involves collecting 3-day and 28-day compressive strength test data of silicate clinker and quantitatively analyzing the mineral and crystal composition data using XRD. A mineral composition and strength zoning statistical method is employed to obtain appropriate C3S or C2S content to maintain a relatively good overall level of 3-day and 28-day compressive strength of the clinker. Then, a stepwise multiple linear regression analysis is used to establish the relationship between the 3-day and 28-day compressive strength of the clinker, clinker liter weight, f-CaO, the content of other chemical components, and the mineral composition and crystal content of the clinker. Specific analytical methods are used to determine optimization measures, further optimizing and improving the clinker strength. Using the above method, the 3-day and 28-day compressive strength of silicate clinker can be improved simultaneously.

The present invention provides a grout composition that exhibits good fluidity retention and suppresses bleeding. [Solution] A grout composition containing a binder exhibiting hydraulic properties, wherein the pass-through rate of a sieve with a mesh size of 90 μm is 30 to 60% by mass, the pass-through rate of a sieve with a mesh size of 45 μm is 20 to 50% by mass, and the content of Erimite in the mineral composition of the fine powder that passes through the 45 μm sieve is 0.5 to 5% by mass, or the content of calcium carbonate in the mineral composition of the fine powder that passes through the 45 μm sieve is 2 to 20% by mass.

The application discloses a gas saturation calculation method, an electronic device and a medium. The method can comprise: determining a plurality of sample depths and corresponding gas saturations; calculating a complex wave impedance corresponding to each sample depth; establishing a fitting formula about the complex wave impedance and the gas saturation according to the gas saturation and the complex wave impedance corresponding to each sample depth; calculating the complex wave impedance of a target position, and then calculating the gas saturation corresponding to the target position through the fitting formula. The application quantitatively calculates the gas saturation of a pore space while considering the change of a skeleton mineral composition in the longitudinal direction through the complex wave impedance.

This invention relates to the field of oil and gas field enhancement and stimulation technology, and discloses a method for screening coupling agents for acid fracturing in carbonate rocks based on interfacial film formation to regulate acid-rock reactions. The method first conducts basic physical property tests on different types of coupling agents to evaluate their wettability and spreading ability on carbonate rock surfaces; then, it characterizes the adsorption and film-forming behavior of the coupling agents on the rock surface; it evaluates the compatibility of the coupling agents with different fracturing fluid systems; it analyzes the influence of coupling agent concentration and stirring conditions on the acid-rock reaction rate through acid-rock reaction experiments, and establishes an evaluation index for acid-rock reaction rate control; finally, it conducts reservoir adaptability evaluation under different temperature, mineral composition, and porosity conditions, and comprehensively screens out target coupling agents suitable for acid fracturing operations in carbonate rocks. This invention establishes a systematic coupling agent screening process, which can effectively reduce the acid-rock reaction rate, increase the acid interaction distance, and thus improve the acid fracturing stimulation effect of carbonate reservoirs.

The application discloses a design, construction and operation parameter optimization method of a high-impurity salt mine hydrogen storage library. Through early drilling and coring and testing, the influence of mineral composition and microorganisms in the salt layer on hydrogen purity is accurately evaluated, so that suitable salt-containing strata that can be used for hydrogen storage are screened out before construction, and the shape of the salt cavity is detected and the sealing property of the salt cavity is tested; in combination with sediment connectivity and porosity test data, the hydrogen storage capacity of the cavity is evaluated; the depth of the hydrogen-halogen water interface in the cavity is controlled to ensure the formal operation of the hydrogen storage cavity, and the hydrogen storage efficiency can be improved in combination with the production mode of hydrogen without a cushion bottom; thus, a hydrogen storage library meeting the hydrogen storage requirements is constructed in the high-impurity salt mine, and efficient utilization of the poor salt mine is realized.

The application discloses a hydrogen loss prediction method for an underground hydrogen storage library, and relates to the underground hydrogen storage field.The method comprises the following steps: obtaining time-varying flux of dynamic gas charging and discharging of the underground hydrogen storage library, and establishing a balance physical model of the underground hydrogen storage library; according to a dissolution trend of different minerals under a hydrogen gas, fluid and rock chemical reaction system, a dissolution kinetics model of the different minerals is established; then, the time-varying flux of dynamic gas charging and discharging of the underground hydrogen storage library is combined with the balance physical model and the dissolution kinetics model to solve, so that the change conditions of mineral composition, solution composition and gas composition in the underground hydrogen storage library are obtained, and the hydrogen storage condition of the underground hydrogen storage library is predicted.The application fully considers the complex physical and chemical interaction between hydrogen and reservoir media in the dynamic charging and discharging process of the underground hydrogen storage library, realizes the prediction of hydrogen loss, and improves the efficiency of safe and stable operation of the underground hydrogen storage library.

The application discloses a carbonate rock powder-based mineral admixture and a preparation method thereof, and relates to the technical field of mineral compositions; the carbonate rock powder-based mineral admixture comprises the following components in proportion by weight: 50-60 parts of carbonate rock powder, 30-40 parts of biomass ash and 10 parts of red mud; the three kinds of bulk solid wastes, i.e., the carbonate rock powder, the biomass ash and the red mud, are compounded, the inherent defects of single carbonate rock powder in the application in concrete are successfully solved, and high-quality and bulk-quantity utilization of multi-source solid wastes are realized; based on the physical and chemical synergistic effect among the components, tight particle packing is realized, when the carbonate rock powder-based mineral admixture is applied in concrete, not only the workability of fresh concrete is ensured, but also the hardened concrete structure is extremely dense, and the mechanical strength, the impermeability, the corrosion resistance and other durability of the hardened concrete structure are improved.

This invention relates to the field of coal mining subsidence control, specifically a method for controlling subsidence through chemical modification and expansion of the floor strata. The method includes: determining the extent of the floor failure zone below the coal seam; selecting a certain thickness of strata below the failure zone as an isolation and protection zone; establishing a chemically modified expansion zone below the isolation and protection zone; selecting an expansion chemical agent based on the mineral composition of the strata in the chemically modified expansion zone; constructing directional boreholes in the working face roadway, with the horizontal section of the directional boreholes constructed within the chemically modified expansion zone, and the directional boreholes being constructed in the direction of the cut-out in the working face advancement direction; fracturing the chemically modified expansion zone through the directional boreholes; and injecting the chemical agent into the chemically modified expansion zone through directional grouting boreholes after the working face has passed the horizontal section of the directional boreholes but before reaching the borehole opening. This invention chemically modifies the floor strata to induce expansion, thereby lifting the floor strata to support the goaf, thus reducing the subsidence of the overlying strata and controlling surface subsidence.

This invention discloses a jacketed cup containing a functional water-based composite mineral composition, belonging to the fields of wine containers, functional drinking utensils, double-layered appliances, and beverage sensory adjustment. The structure of the jacketed cup includes: an inner cup body, an outer cup body, and a sealing part; the inner cup body is used to hold the liquid; the outer cup body is located outside the inner cup body, forming a jacketed space together with the inner cup body; the jacketed cavity is located between the inner and outer cup bodies, and is a closed or semi-closed liquid storage space; the sealing part is provided at the cup mouth, cup bottom, cup wall connection, or a combination thereof, for achieving jacket sealing; the functional liquid is pre-filled in the jacketed cavity; and a supporting structure can be provided at the cup bottom or a part of the jacket to improve overall strength, stability, or control the jacket thickness. It not only has the heat insulation and aesthetic effects of a double-layered structure, but also has the function of adjusting the flavor of the beverage.

The application discloses a kind of planet laser spectroscopy acquisition device and method combined with remote ultraviolet Raman-fluorescence technology, and it is related to deep space exploration spectral measurement technical field.The device includes ultraviolet laser emission unit, beam expander unit, dichroic beam splitter, cassegrain telescope unit, signal separation and acquisition unit, Raman spectrometer, fluorescence spectrometer and computer control unit.Laser is projected to remote target by cassegrain telescope after beam expansion and dichroic beam splitter, and the Raman and fluorescence signals excited are received by the same telescope, then after filtering out Rayleigh scattering light, they are collected by optical fiber into corresponding spectrometer.The application can realize the integrated collection of ultraviolet Raman and fluorescence spectrum of remote, non-contact planetary surface material, and provide efficient optical detection means for mineral composition identification, organic matter and potential life marker detection.

The present invention relates to a milling process comprising the milling of a mineral composition to be milled in the presence of an adjuvant composition comprising at least one polymer (P) of formula (I), wherein: - M independently represents H+ or a cation of valence v selected from an alkali metal cation, an alkaline earth metal cation, a divalent or trivalent metal cation, an ammonium cation, or an organic ammonium cation, - if M = H, v = 1, and if “M” represents a cation, v is the valence of cation M, - R2, R3, R4, and R5 independently represent H, CH3, or –COO(M)1 / v, - m = 0, 1, or 2; p = 0 or 1;X is O, or N, and - R1 represents -[Alkyl-O]z-R6, wherein each “Alkyl” is, independently, a linear or branched C2 to C4 alkylene, R6 represents H, a C1 to C20 alkyl, a cyclohexyl or an alkylaryl, and z ≥ 40, the number of (I) and (II) units in the polymer (P) being defined by a repeating unit (A) comprising a (II) unit and “a” (I) units, with a > 0, n ranging from 1.5 to 50, and the molecular weight of the repeating unit (A) Mw(A) ≤ 6500 g / mol, the mineral composition to be milled comprising from 0% to 80% by weight of clinker, relative to the total weight of the mineral composition to be milled.

This invention belongs to the field of oil and gas field reservoir engineering technology, specifically a method for characterizing the impact of clastic reservoir heterogeneity on reservoir efficiency. First, mineral composition, porosity and permeability, mechanical parameters, and spatial configuration of the study area are obtained. Based on the interlayer spatial configuration, flow units are divided to quantitatively evaluate the constraints of interlayers on effective reservoir space. Through creep experiments and alternating load experiments, mechanical property degradation models of different types of interlayers under long-term high pressure and injection-production cycles are established. A dynamic model of interlayer sealing capacity evolution is constructed to quantify its long-term potential to suppress vertical fluid flow. By coupling the interlayer volumetric sweep efficiency, the mechanical degradation model, and the sealing capacity evolution model, a comprehensive reservoir efficiency impact coefficient is established, enabling a quantitative evaluation of reservoir efficiency under different types of interlayer constraints. This invention elevates the impact of interlayer heterogeneity on reservoirs from a static description to a dynamic quantitative evaluation, providing a scientific basis for the site selection optimization and injection-production strategy formulation of underground reservoirs.

This invention relates to the field of integrated high-efficiency coal crushing and sampling technology, and particularly to an integrated device for high-efficiency coal crushing and sampling in thermal power plants. The device includes a sensing module that collects image and charge data within the crushing chamber to generate an initial electrostatic adsorption probability distribution map. A simulation module receives this map and embeds a mineral composition difference inference model into a virtual model to simulate particle movement, outputting a dynamic adsorption hotspot distribution map. An optimization module, based on the dynamic adsorption hotspot distribution map, optimizes the sampling path by maximizing representativeness and minimizing energy consumption, outputting sampling path planning instructions. An execution verification module drives a physical sampler to execute instructions to collect actual coal samples and obtain measured composition data. This data is then fed back to the simulation module to correct the parameters of the mineral composition difference inference model, thus forming a closed-loop system of sensing, simulation, optimization, and execution verification to improve sampling representativeness.

The present application relates to the technical field of deep-sea mining, in particular to a track-type ore collecting vehicle walking performance test method based on intelligent carving of seabed topography. The track-type ore collecting vehicle walking performance test method based on intelligent carving of seabed topography has the following steps: (1) drilling and sampling in-situ on the seabed of deep sea, analyzing mineral composition and determining particle size distribution, and determining basic physical and mechanical properties by in-situ test; (2) preparing seabed soil sample similar materials for laboratory simulation test; (3) making model test box and scaled ore collecting vehicle; (4) designing various experimental simulation terrains; (5) using intelligent robot to control intelligent paving mechanical arm and intelligent carving mechanical arm to carry out additive paving and subtractive cutting; additive paving is mainly used for automatic paving of seabed soil sample similar materials, and subtractive cutting is mainly used for cutting and machining of special hard rock terrain.

A simulated lunar soil inspection method for construction research. The method comprises: determining a particle size distribution parameter of a simulated lunar soil sample, and calculating a particle size distribution parameter similarity between the simulated lunar soil sample and real lunar soil; determining a mineral composition parameter of the simulated lunar soil sample, and calculating a mineral composition parameter similarity between the simulated lunar soil sample and the real lunar soil; determining a particle shape parameter of the simulated lunar soil sample, and calculating a particle shape parameter similarity between the simulated lunar soil sample and the real lunar soil; determining a density parameter of the simulated lunar soil sample, and calculating a density parameter similarity between the simulated lunar soil sample and the real lunar soil; and when the particle size distribution parameter similarity, the mineral composition parameter similarity, the particle shape parameter similarity and the density parameter similarity all exceed corresponding thresholds, the simulated lunar soil sample passing the inspection.

This invention discloses an omnidirectional morphological scanning device suitable for large-size rock specimens, comprising a support platform, a hydraulic lifting system, a scanning system, and a computer system. The hydraulic lifting system includes a first set of lifting devices and a second set of lifting devices. The scanning system includes scanning devices mounted on the support platform and arranged around the rock specimen, and scanning devices arranged to the sides of the rock specimen. Each scanning device includes a hyperspectral camera, a high-definition camera, and a vertical angle adjustment device. The computer system controls the first and second sets of lifting devices to simultaneously or alternately lift the rock specimen. The computer system receives data captured by the hyperspectral camera, matches it with a built-in mineral spectral library to determine mineral types, and analyzes the mineral composition of the rock specimen surface. Data captured by the high-definition camera is preprocessed and aligned with multiple perspectives to complete model reconstruction and analyze the morphology of the rock specimen surface. This invention optimizes the structure of the morphological scanning device and improves the accuracy of morphological model stitching.

This application discloses a method and apparatus for fine interpretation of well logging data related to facies-controlled classification porosity in tight sandstone. According to this application, various factors affecting reservoir porosity calculation can be analyzed based on the geological and logging characteristics of the target block. Typical well logging facies model characteristics for classifying sedimentary microfacies within the block can be established. Under constraints such as core mineral composition analysis data and sedimentary microfacies, the important parameters required for porosity calculation—the logging response parameters of the main mineral component framework—can be determined. Based on this, the porosity of tight sandstone reservoirs can be calculated using conventional well logging data. The well logging interpretation method and apparatus for facies-controlled classification porosity in tight sandstone provided in this application improve the accuracy of porosity calculation for tight sandstone reservoirs with complex mineral compositions using conventional well logging data, providing a reliable data foundation for the characteristic description and reserve evaluation of marine thick tight sandstone reservoirs.

This invention discloses a method for preparing calcium ferrite from iron-based solid waste through low-temperature catalytic decomposition of phosphogypsum, belonging to the field of comprehensive utilization of solid waste. The method involves mixing, granulating, and roasting raw materials, including iron-based solid waste and phosphogypsum, to obtain calcium ferrite-containing sintered material. The roasting process involves feeding the material onto a belt roaster, first performing reduction roasting under a reducing atmosphere, and then performing oxidative roasting under an oxidizing atmosphere. This method fully utilizes the mineral composition characteristics of iron-based solid waste and phosphogypsum from the steel industry. By controlling the temperature and atmosphere during the high-temperature solid-phase reaction, the method achieves the directional transformation of iron and calcium components in the two industrial solid wastes into calcium ferrite-based products, while effectively removing harmful elements, resulting in high-quality calcium ferrite products.

The application discloses a natural structure surface non-uniformity quantitative characterization method and relates to the technical field of geotechnical engineering. First, the structure surface image is standardized collected, and a single structure surface image is taken as an analysis object. Based on preset mineral color characteristics, pixel in the image is matched and determined by class, so that various minerals are identified and spatial distribution information of the minerals is extracted. Then, a multi-index comprehensive evaluation system is constructed, and quantitative characterization of mineral composition of the structure surface and spatial non-uniform distribution characteristics is realized. Compared with the limitation of traditional mineralogical analysis method which only focuses on mineral composition, the method can characterize the spatial distribution characteristics of the minerals on the structure surface, realize overall description of mineral distribution form and aggregation characteristics, realize mineral region extraction and parameter calculation based on image recognition, relatively simplify the test process, and has higher analysis efficiency. The method is suitable for rapid quantitative analysis of the structure surface sample in engineering and has good engineering application value.

A method for analyzing drilling cuttings includes extracting a sample of drilling cuttings from a subterranean formation, the sample including consolidated particles and unconsolidated material. The method includes photographing the sample to produce a photograph, performing an image analysis on the photograph to identify segments of the photograph visualizing the unconsolidated material and excluding visualization of the consolidated particles, and analyzing the segments by performing at least one of a spectral measurement, a texture analysis, a grain size distribution analysis, or a reservoir parameter estimation of the segments. The method enables extraction of geological information from both consolidated and unconsolidated fractions of drilling cuttings samples that would otherwise be discarded in conventional sieving processes, thereby preserving subsurface information including grain size, mineral composition, and other parameters for comprehensive geological characterization of subterranean formations.