50 results about "Stone sample" patented technology

A rock sample holder, an x-ray system, and methods are disclosed. The rock sample holder may include a body having a cavity extending from a first end of the body to a first position along a longitudinal axis. The first end of the body is open. The body comprises a radiolucent material. A slit is formed through a side wall portion of the body such that the slit extends from the first end to a second position on the side wall portion between the first end and the second end. The rock sample holder may further include a base attached to a second end of the body and a cushion disposed within the cavity proximate to the first position. The body and the cushion form a rock sample chamber within the cavity.

A testing device for measuring oil, gas and water contents in rock has a heating desorption unit that has a sample chamber for placing a rock sample to be detected, a crushing mechanism arranged within the sample chamber, and a heating mechanism. The heating desorption unit crushes and heats the rock sample in a sealed manner to achieve gas analysis and desorption analysis of oil and water contained therein, thus obtaining components to be detected. The device further has a cold trap collection unit in communication with the sample chamber, a light hydrocarbon capture unit in communication with the cold trap collection unit, a gas measuring unit in communication with the light hydrocarbon capture unit for measuring and calculating a gas volume; and a central control unit for controlling the testing device.

The utility model discloses a rock sample water saturation device, which relates to the technical field of rock water saturation and comprises a flexible water saturation cover, a water supply component and a pressurizing component. A sealed saturated water cavity is formed in the flexible saturated water cover, the saturated water cavity is used for accommodating a rock sample, and the flexible saturated water cover can be flexibly deformed, so that the saturated water cavity is matched with the rock sample in shape; the water supply assembly comprises a water supply pipe and a water storage structure, two ends of the water supply pipe are respectively communicated with the saturated water cavity and the water storage structure, and the water storage structure is used for storing water; the pressurizing assembly comprises a pressurizing pipe, a sucking pump and a pressurizing tank, the sucking pump is communicated with the pressurizing tank, and two ends of the pressurizing pipe are respectively communicated with the saturated water cavity and the pressurizing tank. The water saturation device for the rock sample provided by the utility model can be suitable for rock samples with different shapes and sizes, and the water saturation treatment effect on the rock can be effectively improved.

The invention provides a stone analysis method based on attenuated total reflection Fourier transform infrared spectroscopy. The stone analysis method comprises the following steps: S1, placing and fixing a stone sample to be detected; s2, acquiring an infrared light signal and converting the infrared light signal into original spectral data; s3, processing the original spectrum data to obtain a corrected spectrum; s4, taking the correction spectrum as input, obtaining a preliminary prediction category by using a partial least square discriminant analysis algorithm, and calculating a feature importance index of each wavenumber at the same time; s5, according to the feature importance index, using a random forest algorithm to obtain a secondary prediction category; and combining the accuracy rate of the partial least square discriminant analysis model and the accuracy rate of the random forest model to obtain a final prediction category. According to the method, an attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) technology is taken as a core, and an innovative thought of'pretreatment-free sample treatment + multi-algorithm collaborative analysis' is combined, so that a complete stone analysis process from sample fixation to clinical report output is constructed.

The invention discloses a natural stone texture imitating artificial stone sample color detection device, and relates to the technical field of detection, the natural stone texture imitating artificial stone sample color detection device comprises a vertical machine shell, the vertical machine shell is internally divided into an upper layer mounting area, a middle layer mounting area and a lower layer mounting area along the height direction; the illumination simulation system comprises a first illumination module mounted in the middle-layer mounting area and a second illumination module mounted in the upper-layer mounting area, the first illumination module is used for simulating morning light and evening light in daily life, and the second illumination module is used for simulating noon vertical light; and the sample conveying and positioning mechanism is arranged in the lower-layer mounting area. Through illumination scene precision, detection process automation and module layout rationalization, the core defects of traditional manual detection are effectively overcome, the accuracy and consistency of natural stone imitating artificial stone flower color detection can be improved, the large-scale production requirement can be met, and the method is suitable for large-scale production. The method is of great significance to promotion of industry detection technology upgrading, reduction of user complaints and improvement of product market competitiveness.

This invention provides a PDC single-tooth rock-breaking experimental device and a method for analyzing the rock-breaking mechanism. The experimental device includes a rock-breaking device body, a PDC tooth cutting depth adjustment mechanism, a cutting speed adjustment mechanism, and a cutting force measurement mechanism. The cutting speed adjustment mechanism can adjust the cutting speed of the rock sample; the rock-breaking device body is used to fix and install the cutting depth adjustment mechanism; the cutting depth adjustment mechanism can clamp the PDC tooth and precisely control its inclination angle and cutting depth; the cutting force measurement mechanism can monitor the cutting force on the rock sample. The method includes the following steps: setting parameters such as cutting depth, cutting speed, and inclination angle; monitoring the cutting force and recording the dynamic rock crushing process; sieving and collecting rock fragments, determining the mass fraction of different groups of rock fragments, and preliminarily determining the ductile-brittle crushing mode of the rock based on the distribution pattern of the rock fragments. This invention has the advantages of precisely controlling the cutting depth, PDC tooth inclination angle, and cutting speed.

The invention discloses a reservoir water-rock reaction simulation analysis method and a reservoir water-rock reaction simulation experiment device. The method comprises the following steps: obtaining diagenesis evolution analysis data and reservoir feature data of a prototype sample; the prototype sample and the rock sample to be tested are taken from the same block; drilling a first parallel sample and a plurality of second parallel samples based on the to-be-tested rock sample; determining experiment pressure and experiment temperature according to diagenesis evolution analysis data; obtaining reservoir feature data of a plurality of second parallel samples after different water-rock ratio simulation experiments, and determining a water-rock ratio corresponding to the minimum difference between the reservoir feature data and the reservoir feature data of the prototype sample from the reservoir feature data; after the first parallel sample and the reaction fluid are subjected to a simulation experiment based on the experiment pressure, the experiment temperature and the corresponding water-rock ratio, reservoir feature data changes of the first parallel sample before and after the simulation experiment and multiple ion concentration change data of the reaction fluid before and after the simulation experiment are obtained, and a water-rock reaction simulation analysis result is determined. According to the method, the actual water-rock ratio can be set.

The invention provides a method and system for determining the incidence relation between the end face flatness and mechanical indexes of rock samples, and the method comprises the steps: preparing a plurality of rock samples with different end face flatness, collecting the multi-dimensional flatness parameters of the samples, measuring various mechanical indexes, water content and density of the samples, and generating a multi-dimensional data set; constructing a multi-dimensional input feature vector; constructing a correlation model by integrating a random forest model and a BP neural network, training the correlation model by taking a multi-dimensional data set as training data, and optimizing model hyper-parameters through cross validation; and constructing a differential correction model, and correcting the output of the correlation model through the differential correction model according to different lithology so as to obtain a mechanical index prediction curve corresponding to the multi-dimensional input feature vector of the rock sample to be tested. According to the method, the quantitative relation between the rock end face flatness and the mechanical index is established, and the influence of the end face flatness on the rock mechanical test can be effectively avoided.

The invention discloses an automatic core splitting device for rock sampling, and belongs to the technical field of core splitting devices. An automatic core splitting device for rock sampling comprises a storage assembly used for storing samples to be split, a groove used for bearing the samples, a cutting assembly used for core splitting operation and a storage assembly used for bearing the samples subjected to core splitting, and the storage assembly, the groove and the cutting assembly are all arranged on a rack; a clamping assembly used for fixing a sample, a moving assembly used for driving the clamping assembly to do horizontal reciprocating motion and a jacking assembly used for driving the clamping assembly to move up and down are arranged on the rack; according to the rock sample core splitting device, through the arranged moving assembly and clamping assembly, the rock sample can be driven to horizontally move, core splitting operation on the rock sample is automatically achieved, and therefore the problem that in the prior art, core splitting operation on the rock sample mostly needs manual operation is solved.

The present invention is a method of detecting and counting a geological constituent (cge) of an acquired image of a rock sample (IER), by a location detection machine learning method (ALG).

The invention provides a method for detecting the anti-knock property of silica. The detection method comprises the following steps: performing high-temperature treatment on a silica sample to be detected in a sealed state; performing a drum test on the cooled silica sample to be detected to obtain silica particles; the silica particles are sieved, target silica particles are obtained, and the particle size of the target silica particles is larger than 20 mm; calculating the anti-explosion rate of the silica to be detected according to the total mass of the silica sample to be detected and the total mass of the target silica particles; the high-temperature treatment comprises the following steps: heating from room temperature to 1400-1600 DEG C at a heating rate of 5-10 DEG C / min, and keeping the temperature for 28-32 minutes. The detection method has the advantages of being matched with actual working conditions, high in safety, high in repeatability and the like.

The present invention relates to the technical field of oil and gas production, in particular a simulation device and a method for the migration, accumulation, and reservoir formation of oil and gas. The simulation device comprises a vessel with a limiting pressure port arranged on a side wall and a limiting pressure sleeve arranged coaxially within the vessel with a gap between them, wherein a rock sample is placed within the limiting pressure sleeve. An external sealing unit is arranged between an annular space between the vessel and the limiting pressure sleeve and is configured to expand radially under axial pressure, thereby improving the sealing performance.Pressure is applied via the limiting pressure port to the annular space between the vessel and the limiting pressure sleeve, causing the sleeve to deform and exert a radial limiting pressure on the rock sample. The device further comprises an end connector located at an axial end of the vessel and configured to axially compress the outer sealing unit and the rock sample.

This invention discloses a resin embedding device for rock samples, including a fume hood; a mold support platform located inside the fume hood, on which multiple cold embedding molds are spaced apart; and a robotic arm assembly integrated within the fume hood. The robotic arm assembly consists of a first robotic arm and a second robotic arm. The first robotic arm is used to add material into the corresponding cold embedding mold, and the second robotic arm is used to stir the cold embedding mold after the material has been added. The device also includes a control system that controls the operation of each mechanism. This resin embedding device enables automated resin embedding of rock samples, improving labor efficiency and reducing work hazards. It allows for rapid preparation of drilling cuttings samples from oil and gas exploration sites, and enables large-scale sample embedding 24 / 7.

The application provides a portable geochemical element analyzer, which comprises a base and a workbench, the base is provided with a translation mechanism, the translation mechanism is provided with a sample storage mechanism, the bottom end of the workbench is provided with a cutting mechanism for cutting samples, the workbench is provided with an element analysis device, and the base is further provided with a power mechanism for driving the translation mechanism and the cutting mechanism. In the application, the power mechanism is arranged on the base, the translation mechanism and the cutting mechanism are synchronously driven by the power mechanism, the stone sample is transported along the tangent direction of the cutting blade by the translation mechanism, the sample is cut by the cutting blade, the upper surface of the sample is cut into a plane, the upper surface of the stone sample is identified by a visual sensor arranged on the workbench, the upper surface of the stone sample is detected by an infrared detection device, and thus the element content of the stone sample is analyzed.

The embodiment of the invention provides a rock fracture geometric parameter determination method and device, equipment and a medium, and relates to the technical field of geological exploration. The method comprises the following steps: acquiring a scanning electron microscope image corresponding to a rock sample to be analyzed, and converting the scanning electron microscope image into a binary image; based on a preset connectivity condition, screening out a target crack connected body from the binary image; extracting a central axis coordinate in the target crack communicating body; and determining at least one rock fracture geometric parameter corresponding to the target fracture communicating body based on the central axis coordinate. According to the method, the problem that an efficient and reliable rock fracture geometric parameter determination method is lacked in related technologies is effectively solved.

The invention discloses a method and a system for evaluating the mechanical sealing property and the pressure-bearing capacity of a gas storage. The method comprises the following steps: acquiring breakthrough pressure data of each cover rock sample in the gas storage in a research area; according to the breakthrough pressure data, the upper limit of the breakthrough pressure of the gas storage cover layer is determined; obtaining the thickness of each cover layer of the gas storage in the research area; according to the shale content data of the gas storage in the research area, obtaining a gas storage fault plugging lower limit; taking the upper limit of the breakthrough pressure of the gas storage cap layer as a model numerical simulation condition to obtain a lower limit of fault stability; wherein the gas storage overburden breakthrough pressure and the thickness of each overburden serve as overburden sealing performance evaluation indexes, and the gas storage fault plugging lower limit and the fault stability lower limit serve as fault sealing performance evaluation indexes. Based on the data processing flow, the invention aims to solve the problem of sealing evaluation of the gas storage in the pressurization and expansion process, and provides scientific basis and technical support for safe operation of the gas storage.

The invention provides a rock sample hydrofracture thermal-mechanical coupling loading experiment device and method, and belongs to the technical field of rock mechanics, the rock sample hydrofracture thermal-mechanical coupling loading experiment device comprises a frame, an upper base, an upper pressing plate, a lower base, a lower support, a fixing support, a rock sample, a loading system and a hydraulic control system; limitation of a traditional triaxial experiment is effectively overcome, true triaxial non-uniform stress and thermal coupling loading of a cylindrical rock sample is realized, an underground complex ground stress and temperature field can be simulated through 12 groups of confining pressure units and 8 partition heating systems, a positioning structure and a limiting system enhance the overall rigidity of a loading cylinder, and the loading cylinder can be used for loading a rock sample. Uniform stress transmission and stable measurement basis are ensured, the signal-to-noise ratio and precision of strain data are improved, the heat conduction frame and the sealing air bag ring are combined with multi-stage sealing and pressure relief design, reliability and safety under high temperature and high pressure are fundamentally ensured, and technical support is provided for deep research of a rock fracture mechanism and optimization of a fracturing process.

This invention provides an experimental apparatus and method for hydraulic fracturing and thermo-coupling loading of rock samples, belonging to the field of rock mechanics technology. The invention includes: a frame, an upper base, an upper pressure plate, a lower base, a lower support, a fixed bracket, a rock sample, a loading system, and a hydraulic control system. This invention effectively overcomes the limitations of traditional triaxial experiments, achieving true triaxial non-uniform stress and thermo-coupling loading of cylindrical rock samples. Through 12 confining pressure units and an 8-zone heating system, it can simulate complex underground stress and temperature fields. The positioning structure and limiting system enhance the overall rigidity of the loading cylinder, ensuring uniform stress transmission and stable measurement benchmarks, and improving the signal-to-noise ratio and accuracy of strain data. The heat-conducting frame and sealing airbag ring, combined with multi-stage sealing and pressure relief design, fundamentally guarantee reliability and safety under high temperature and high pressure, providing technical support for in-depth research on rock fracture mechanisms and optimization of fracturing processes.

The utility model discloses a rock and ore sample storage box which comprises a box body assembly, a storage box body, a storage cavity formed in the storage box body, and a top cover hinged to the top end of the storage box body. A clamping assembly, comprising a mounting groove formed in the inner wall of the storage cavity, a threaded rod rotationally mounted on the mounting groove, an adjusting knob fixed to the outer end of the threaded rod, a guide rod fixed to the inner wall of the mounting groove, a connecting column connected to the guide rod in a sleeving mode and engaged with the threaded rod at the same time, and a clamping plate fixed to the connecting column. The air bag is fixed to the clamping plate, the air injection pipe is connected to the air bag, and the plug is matched with the air injection pipe. A locking assembly; the air bag can play a certain buffering role, and finally the top cover is closed, so that the rock ore is wrapped and clamped, and the rock ore is prevented from being damaged due to shaking.

The invention relates to the technical field of content detection, and discloses an artificial quartz stone calcium carbonate content detection method and system based on X-ray diffraction, and the method comprises the following steps: obtaining X-ray diffraction pattern data of an artificial quartz stone sample; presetting a plurality of characteristic diffraction peaks of quartzite and calcium carbonate in the atlas data, calculating an initial independence coefficient, and selecting an initial target peak; calculating a structural complexity parameter; determining an analysis diffraction angle window; recalculating the independence coefficient, selecting a reference peak, and selecting a target peak; calculating an asymmetric distortion coefficient; fitting the peak shape contours of the target peak and the reference peak to obtain respective main peak integral areas; calculating a corrected integral area; and calculating the calcium carbonate content based on the main peak integral area or the corrected integral area of the target peak and the main peak integral area of the reference peak. According to the method, by optimizing peak selection, an integral interval and peak shape correction, the negative influence of peak overlapping and peak shape distortion on quantitative analysis is overcome, and the detection precision of the calcium carbonate content is improved.

The application discloses a kidney stone filtering collector, which comprises a urine pool, a stone collecting table, a urine collecting table and a water storage tank, the urine pool is arranged in a toilet style, the bottom of the urine pool is fixedly connected with the stone collecting table as an integrated structure, the inside of the urine pool is composed of a urine cavity, a separation cavity, a stone discharging channel and a urine discharging channel, the separation cavity is arranged below the urine cavity and is communicated with the urine cavity, the bottom of the separation cavity is communicated with the urine discharging channel, the end of the urine discharging channel is communicated with the urine collecting table through a connecting pipeline, and a movable cavity wall which can rotate is arranged in the separation cavity and is used for communicating with the stone discharging channel. The urine of a patient can be automatically filtered and separated, and the patient can directly obtain a stone sample and a urine sample after urinating, so that the application is very convenient and clean and sanitary.

The utility model discloses a portable geological rock sample collector. Comprising a supporting ring, a stand column fixedly connected with the supporting ring, a sliding plate slidably connected with the stand column, a driving part arranged on the stand column and used for driving the sliding plate to slide in the length direction of the stand column, a motor fixedly connected with the sliding plate, a drill rod coaxially and fixedly connected with an output shaft of the motor and a drill bit arranged at the lower end of the drill rod. The supporting rods are evenly distributed on the lower end face of the supporting ring in the circumferential direction and fixedly connected with the supporting ring, the ground grabbing pieces are arranged at the lower ends of the supporting rods and used for preventing the supporting rods from moving upwards when rock samples are drilled, the supporting ring is a horizontally-arranged annular body, the stand column is parallel to the axis of the supporting ring, and the sliding plate is perpendicular to the axis of the supporting ring. An output shaft of the motor is parallel to the axis of the supporting ring. According to the utility model, the feeding of the drill bit is kept without being pressed by the weight of a human body in the drilling process, so that the labor intensity of workers is greatly reduced.

A method to quantity clay content may comprise flowing a rock sample with water, wherein the water is collected, and a capillary electrophoresis analysis or any water analysis method is run on the water. The method further comprises calculating a clay integrated area using constructed water analysis peaks. Lastly, a correlation to quantify the clay content in the rock sample, and another correlation to quantify the clay content in the water sample are formulated.

A method for calibrating a direct flow simulation of a rock sample involves providing a 3D image of a rock sample and generating a segmented structural image of the rock sample from the 3D image by selecting voxels to represent either a pore space or a solid material. Fluid flow is simulated on the segmented structural image with a direct flow simulation. A 3D spatially-resolved fluid velocity map is generated for one or more fluid phases at a pore-scale resolution using pulsed field gradient nuclear magnetic resonance imaging. The simulated fluid flow and the 3D spatially-resolved fluid velocity map are compared to calibrate the direct flow simulation across the rock sample.

The invention discloses a rock sample water saturation device and method, and relates to the technical field of rock water saturation, and the rock sample water saturation device comprises a flexible water saturation cover, a water supply assembly and a pressurization assembly; wherein a sealed saturated water cavity is formed in the flexible saturated water cover, and the saturated water cavity is used for accommodating a rock sample; the water supply assembly comprises a water supply pipe and a metering water storage tank, a water storage cavity used for storing water is formed in the metering water storage tank, the metering water storage tank is used for measuring the water capacity in the metering water storage tank, one end of the water supply pipe is communicated with the saturated water cavity, and the other end of the water supply pipe extends into the water storage cavity and extends to the bottom of the water storage cavity; the pressurizing assembly comprises a pressurizing pipe and a pressurizing structure, two ends of the pressurizing pipe are respectively communicated with the saturated water cavity and the pressurizing structure, and the pressurizing structure is used for pressurizing the saturated water cavity through the pressurizing pipe; the rock sample water saturation device provided by the invention can be suitable for rock samples with different shapes and sizes, and can effectively improve the water saturation treatment effect on the rock.

The invention provides a portable geochemical exploration elemental analyzer which comprises a base and a workbench, a translation mechanism is arranged on the base, a sample storage mechanism is arranged on the translation mechanism, a cutting mechanism used for cutting samples is arranged at the bottom end of the workbench, an elemental analysis device is arranged on the workbench, and the sample storage mechanism is arranged on the workbench. The base is further provided with a power mechanism used for driving the translation mechanism and the cutting mechanism. The power mechanism is arranged on the base, the power mechanism drives the translation mechanism and the cutting mechanism to operate synchronously, the translation mechanism conveys a stone sample in the tangential direction of the cutting blade, and the cutting blade cuts the sample, so that the upper surface of the sample is cut into a plane; the visual sensor is arranged on the workbench to identify the upper surface of the stone sample, and then the infrared detection device is used for detecting the upper surface of the stone sample, so that the element content of the stone sample is analyzed.

Techniques for determining properties of a rock sample include performing a plurality of series of permeability measurements of a rock sample with a permeability test assembly to derive permeability values, where each series includes permeability measurements of the rock sample at a respective, constant differential pressure between a particular confining pressure and a particular pore pressure; for each series of the plurality of series, performing a curve fit operation to determine a slope and an intercept of a curve associated with a selected Biot coefficient, the permeability values, and the particular pore pressures to generate a plurality of slope values and a plurality of intercept values; determining an effective stress coefficient of the rock sample; and determining an actual Biot coefficient of the rock sample.

The utility model discloses a sample collection tool for geological prospecting, including: box body, spacing plate and flip cover, the inside of box body is parallelly provided with a plurality of partition plate, the partition plate and box body are integrated structure, and the partition plate divides the inside space of box body into a plurality of parallel collection tank with different tank width, the collection tank is provided with a plurality of baffle plates, the baffle plate is provided with a plurality of baffle plates, and the baffle plate is provided with a plurality of baffle plates. Meanwhile, a plurality of limiting plates are arranged in each collecting groove, the width of the limiting plates in the collecting grooves is matched with the groove width of the corresponding collecting grooves, resistance sliding blocks are arranged on the two sides of the limiting plates, sliding grooves allowing the resistance sliding blocks to slide are correspondingly formed in the partition plate and the inner wall of the box body, a turning cover capable of being opened in a rotating mode is installed on the box body, and the turning cover is connected with the limiting plates. The multiple turning covers are arranged corresponding to the collecting grooves, and each turning cover correspondingly covers one collecting groove. The collecting tank for storing the rock samples is arranged to be different in width, can adapt to rocks of different lengths by adjusting the limiting plate, and is suitable for storing the rock samples of different specifications and sizes.

The embodiment of the application discloses a method for detecting internal defects of jadeite raw stone based on X-ray detection, which comprises the following steps: performing X-ray tomography on a jadeite raw stone sample to be detected; analyzing cracks in the jadeite raw stone sample to be detected based on the X-ray tomography result; if the analysis result indicates that there are cracks, obtaining characteristic information and position information of the cracks in the jadeite raw stone to be detected from the X-ray tomography result, and generating a crack analysis result; selecting a plurality of scanning images related to the cracks from the X-ray tomography result, and generating a crack trend three-dimensional graph; and outputting a crack evaluation result of the jadeite raw stone to be detected based on the crack trend three-dimensional graph and the crack analysis result. Thus, the embodiment can scientifically and visually present and analyze the internal defects of the jadeite raw stone sample to be detected by using the X-ray tomography technology, thereby providing a scientific reference for subsequent processing of the jadeite raw stone and minimizing economic losses in the transaction of the jadeite raw stone.