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54 results about "Stone sample" patented technology

Method and apparatus for classifying geological materials using image processing techniques

Provided is a method and apparatus for classifying geological materials using image processing techniques. The method and apparatus classify geological materials including stones, rock samples, and rock surfaces according to type and state by sequentially applying image processing techniques, such as a color space analysis, a granulometry analysis, texture parameter extraction and texture statistics extraction, to digital images of the geological materials. Since the method and apparatus extract quantitative figures that represent an entire image region by applying various image processing techniques, such as the color space analysis, the granulometry, the texture parameter extraction and the texture statistics extraction, to the digital images of the geological materials, the geological materials can be classified, which is not possible using a conventional image processing technique.
Owner:ELECTRONICS & TELECOMM RES INST

Well logging prediction method of shale gas horizontal well single well production capacity

InactiveCN106761677AIncrease profitAvoid post-correction problemsSurveyUltrasound attenuationAcoustic wave
The invention provides a well logging prediction method of shale gas horizontal well single well production capacity. The method comprises the steps of firstly conducting well logging of interval transit time, density and neutron porosity in a drilled horizontal well, and recording the penetrating depth of a horizontal well section and the corresponding vertical depth; then using formation density well logging and compensated neutron well logging information to calculate formation brittle mineral content; utilizing the three well logging curves of the interval transit time, the density and the neutron porosity which reflect formation porosity in the well to calculate the formation porosity; utilizing a method of inverting reservoir permeability through stoneley wave attenuation to solve formation permeability; utilizing an organic carbon content experiment measurement value a stone sample taken in a formation and density well logging to establish a relation to obtain a calculation formula of organic carbon content; utilizing the formation organic carbon content to calculate to obtain formation gas saturation; finally according to the formation brittle mineral content, the formation porosity, the formation permeability and the formation gas saturation to calculate to obtain the daily production capacity of single well shale gas.
Owner:YANGTZE UNIVERSITY +1

Outlining method for in-situ leaching sandstone-type uranium-bearing basin favorable mineralization section

InactiveCN107367770AAccurate and quantitative calculation of uplift denudation thicknessWith process self-testGeological measurementsApatiteFission track dating
The invention belongs to the field of sandstone-type uranium ore exploration, and specifically discloses an outlining method for an in-situ leaching sandstone-type uranium-bearing basin favorable mineralization section. The method comprises the steps: determining a research area, and selecting a target layer; collecting a land surface sample of a bottom plate of a basin edge target layer, a drilled coal stone sample or a carbon mudstone sample; collecting sandstone samples of the above samples at the same layer; carrying out the vitrinite reflectance measurement of the collected coal stone sample or the collected carbon mudstone sample, and calculating the maximum burial depth of an ore-containing target layer; selecting apatite minerals from the collected mudstone sample, carrying out the fission-track dating of apatite, and carrying out the inversion of the relation between temperature and time in construction evolution; verifying whether the above inversion result is matched with the actual condition or not: extracting the measurement result if the above inversion result is matched with the actual condition, or else checking whether the sampling is standard or not; drawing an erosion thickness contour map in the research area according to an erosion thickness calculation result, carrying out the research of restriction of construction uplift erosion on uranium mineralization, and outlining a favorable mineralization section. The method is clear in sampling object, is clear in analysis flow, and is simple in operation.
Owner:BEIJING RES INST OF URANIUM GEOLOGY

Multimedium permeability experimental device and test method thereof

The invention discloses a multimedium permeability experimental device, which comprises a specimen tube, a gravel sample layer, a concrete sample layer with fractures, and a broken stone sample layer, wherein the gravel sample layer, the concrete sample layer and the broken stone sample layer are arranged in the specimen tube from top to bottom in sequence; the bottom of the broken stone sample layer is provided with a filter plate; a sand water containing plastic bucket is arranged below the filter plate; the top of the gravel sample layer is provided with a sealing element; the bottom, the middle part and the top of the gravel sample layer are respectively connected with a N0.1 piezometer tube, a No.2 piezometer tube and a No.3 piezometer tube; the other ends of the N0.1 piezometer tube, the No.2 piezometer tube and the No.3 piezometer tube are all clung and connected with coordinate paper; the top of the gravel sample layer is connected with a water tank through a conduit; a thin iron wire penetrates through the fracture area of the concreate sample layer with the fractures; the bottom end surface and the top end surface of the fracture area are provided with thin plastic skins; the top end of the thin iron wire is connected with the bottom end of the thin plastic skin to penetrate through the center of the filter plate to be twisted into one strand of iron wire.
Owner:宿州学院

Method for sampling detection of bonding strength of exterior facing pre-buried stone

The invention discloses a method for sampling detection of the bonding strength of an exterior facing pre-buried stone. The method comprises the following steps: superposing the center of a sample region, the center of an anchoring part and the center of a drawing tester, removing adverse factors for eccentric loading, pulling a facing stone sample from a concrete wall body through the drawing tester, and calculating the bonding strength of the exterior facing pre-buried stone according to a maximum drawing force value and a sectional area. The method is easy and convenient to operate and lowin cost and can directly and accurately reflect the bonding strength of the exterior facing pre-buried stone and provide a basis for quality detection and authentication; meanwhile, the adverse factors for eccentric loading are eliminated, and a detection result is reasonable and reliable; furthermore, the method can be applicable to four conventional anchoring part forms, and fills the blank in the aspect of sampling detection of the bonding strength test of the exterior facing pre-buried stone; a practical and quantifiable method is provided for guaranteeing the bonding quality of the exterior facing pre-buried stone; and the used drawing tester is simple in structure, low in cost, accurate in detection result and favorable for being popularized and applied.
Owner:厦门市建筑科学研究院有限公司 +2

Quartz stone sample polishing and coating equipment and processing method

The invention relates to the technical field of quartz stone sample polishing and grinding equipment, in particular to quartz stone sample polishing and coating equipment. The quartz stone sample polishing and coating equipment comprises a machine frame, a plurality of groups ofabrasive discs and a conveyor belt, wherein the abrasive discs are arranged below the machine frame, and the conveyor belt is arranged blow the abrasive discs. The quartz stone sample polishing and coating equipment is characterized by further comprising fixing edge strips and a plurality of separating edge strips, wherein the fixing edge strips and the separating edge strips are arranged below the machine frame, the fixing edge strips are connected with the machine frame through connecting columns, and are hung above two side edges of the conveyor belt, and the separating edge strips are connected with the machine frame through connecting columns, and are hung between the fixing edge strips and above the middle position of the conveyor belt. By means of the cooperation between the abrasive discs and a crystal plane agent and the control on motor rotation speed, a quick coating effect and a compact film layer can be realized, the luster of a processed sample reach 80 degrees or more, and the surface is translucent and bright, so that stains difficultly penetrate into the sample.
Owner:FOSHAN SITECH CHEM TECH

Rock size defect repair method and standard test piece preparation method

PendingCN110333124AGood rock-like propertiesSolve the problem that is difficult to cut and makePreparing sample for investigationEpoxyDefect repair
The invention discloses a rock size defect repair method and a standard test piece preparation method for solving the technical problems that a rock test piece is difficult to manufacture, and that the test result is not intuitive and reliable enough in the prior art. The rock size defect repair method mainly comprises: taking CY-39 type epoxy resin and a YS-T31 type resin curing agent, uniformlymixing the components, and performing bubble removal treatment; taking a defective rock sample or a rock-forming mineral raw gemstone, thoroughly cleaning the surface thereof, and then placing the defective rock sample or the rock-forming mineral raw gemstone in a test piece mold with a smooth bottom surface; pouring the obtained castable into the test piece mold, and then performing the bubble removal treatment; and drying and curing under the condition 5-25 DEG C, and dismounting the mold. By adopting the rock size defect repair method disclosed by the invention, the problem that the test piece is difficult to be manufactured in various rock mechanical tests or innovative tests is solved; the prepared test piece can be used for visually observing the repair quality and monitoring the whole process of the test; and the utilization rate of rock samples with irregular shapes can be improved.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Detection method for stabilizing broken stone gradation by cement

The invention discloses a detection method for stabilizing broken stone gradation by cement. According to the invention, a mass m0 of a broken stone sample stabilized by cement is measured in the step1-step 7, the mass m1 and the mass m2 of the broken stone sample stabilized by cement after drying are respectively measured, the mass m3 of the dried particles having a particle size being greater than or equal to 0.075 mm in an aggregate can be measured, and the grader retained mass mi of the aggregate at a filter sieve with a diameter of the sieve aperture being I is measured; according to theabove m0, m1, m2, m3 and the cement dosage omega, the water content Rho of the broken stone stabilized by cement, the mass of the cement and aggregate and ma, the aggregate mass mb and the aggregategradation parameter can be calculated, the gradation detection of the broken stone stabilized by cement is realized, full dissolving of the cement in the broken stone stabilized by cement can be guaranteed through the step 5), a mixture m3 the sieve does not contain the cement, the gradation detection accuracy is increased, and gradation parameter of the broken stone stabilized by cement on on-site construction can be accurately reflected, so that the broken stone stabilized by cement is subjected to mass monitoring from the construction process and result.
Owner:ZHANJIANG JIANKE ENG QUALITY TESTING CENT CO LTD

Vertical pre-perforation device in cubic original rock sample borehole and pre-perforation processing method

The invention discloses a vertical pre-perforation device in a cubic original rock sample borehole and a pre-perforation processing method. The pre-perforation device comprises a base platform, a gasdrill, a sample holder, an air pressure control device and position adjustment devices. The gas drill and the sample holder are connected to the base platform through three axially adjustable positionadjustment devices. The gas drill is connected to a pressure gas source through the air pressure control device. The gas drill comprises a rod-shaped miniature pneumatic machine whose cross section is smaller than a middle through hole section of a sample and a right angle turning transmission device. The gas drill outputs rotational power through an output end of the right angle turning transmission device and has a diamond tool mounting structure for drilling and shaping. The processing method is implemented based on the pre-perforation device. The device and the method have advantages thatthe device has a simple structure and compact layout, perforation operation becomes convenient, and an original stone sample perforation requirement can be fully satisfied; and a technology process of the processing method is reasonable, operation is convenient and efficiency is high.
Owner:CHONGQING UNIV

Carbonate rock pore structure classification method based on overburden pressure seepage experiment

ActiveCN111239372AThe classification results are close toEarth material testingPermeability/surface area analysisPressure curveRock core
The invention relates to the field of reservoir rock pore structure classification in the oil and gas field development process, in particular to a carbonate rock pore structure classification methodbased on an overburden pressure seepage experiment, which comprises the following steps: preparing a rock sample, and measuring the gas permeability of the rock sample; after the rock sample is saturated with simulated oil, performing a permeability-confining pressure relation determination experiment, and obtaining a permeability-confining pressure curve; carrying out piecewise fitting on the permeability-confining pressure curve to obtain a permeability-confining pressure fitting curve, and analyzing a parameter change rate of piecewise fitting; observing the rock core, and preliminarily judging the pore structure type according to the rock core observation result; according to the difference of the change rates of the fitting parameters of different segments, classifying the pore structure type of the rock core by combining the rock core observation result and the theoretical analysis of the permeability-confining pressure fitting curve characteristics, and the pore structure classification result of the classification method is closer to the real situation of the carbonate reservoir.
Owner:XI'AN PETROLEUM UNIVERSITY

Intelligent qualitative and quantitative detection method for human body stones

InactiveCN103926211AOvercome the hurdle of not being able to interpret spectraControl stone recurrenceMaterial analysis by optical meansHuman bodySource Data Verification
The invention relates to an intelligent qualitative and quantitative detection method for human body stones. According to the intelligent qualitative and quantitative detection method for the human body stones, a light source emits infrared light; the infrared light irradiates to a sample in a sample room through an interferometer; a stone infrared spectrum of the sample is obtained and is stored to a computer; the stone infrared spectrum is subjected to data decryption, data verification, and stone component and content analysis; an analysis result is stored in a memory; a report is generated according to the analysis result. According to the method, the defects that a spectrum analysis technology is complex and cumbersome, a scheme for treating or preventing stones cannot be generated, the spectrum analysis technology is difficultly grasped by non-physical professional doctors and nurses and the like are overcome. The method has high stone sample analysis accuracy, and has efficiency and high accuracy on a single-component or mixed-component stone sample; a stone infrared spectrum can be analyzed automatically; the obstacle that a user cannot analyze the spectrum is overcome; stone prevention measurement and medicament treatment schemes can be automatically provided according to the reported stone components, which contribute to clinical popularization and application.
Owner:孙西钊

Rock sample high-precision cutting equipment and method

The invention discloses rock sample high-precision cutting equipment and method, and belongs to the technical field of rock cutting equipment. The problems that existing rock cutting equipment is poor in cutting precision and low in cutting efficiency, and the cutting thickness cannot be adjusted are solved. The rock sample high-precision cutting equipment comprises a machine base, a cutting mechanism and a clamping mechanism, the cutting mechanism and the clamping mechanism are fixed to the machine base, and the cutting mechanism comprises a cutterhead and a first driving motor used for driving the cutterhead to rotate. The clamping mechanism comprises a sample loading disc and a driving mechanism, a plurality of sample mounting parts are uniformly distributed on the sample loading disc, to-be-cut samples are fixed on the sample mounting parts, and the driving mechanism is used for driving the sample loading disc to rotate while approaching or leaving the cutterhead at a set speed. The equipment is simple in structure and convenient to operate, the cutting thickness of the rock sample can be accurately adjusted, the cutting process is automatic, operation of professionals is not needed, the cutting efficiency is remarkably improved, and the equipment has wide application prospects.
Owner:INST OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI

Rock sampling and detecting device in geological drilling

The invention discloses a rock sampling and detecting device in geological drilling, and belongs to the technical field of geological drilling, the rock sampling and detecting device comprises a base, a sampling mechanism for collecting rock is arranged on the base, and a detecting mechanism for detecting the collected rock is arranged on the side edge of the sampling mechanism; the sampling mechanism comprises an adjusting mechanism which is mounted on the base and is used for changing the position of the device, a drilling mechanism is arranged on the adjusting mechanism, the detection mechanism comprises a fixing mechanism for fixing a sample rock, and a testing mechanism for detecting the pressure of the rock is arranged on the fixing mechanism; through cooperation of a fixing cylinder, a drilling cylinder and a grooving cylinder on the drilling mechanism, the adaptation rate can be increased, two clamping plates arranged in a placement groove extrude each other to extrude an internal rock sample, and the rock is conveniently taken out; meanwhile, through mutual cooperation of three arc-shaped extrusion plates on the fixing mechanism, rocks of different sizes can be fixed, pressure is given to the sample rocks from different directions for fixing, and the stability of the sample rocks is improved.
Owner:EAST CHINA UNIV OF TECH

Rock drillability evaluation method based on rock debris nanoindentation

The invention belongs to the technical field of oil exploration and development, and relates to a rock drillability evaluation method based on rock debris nanoindentation, which comprises the following steps: carrying out nanoindentation test on a rock debris sample, collecting a displacement load curve of an indenter, and calculating the microhardness of the nanoindentation test; calculating the mineral composition of the rock debris according to the statistical distribution characteristics of the microhardness, and converting the microhardness of the rock debris nanoindentation test into macroscopic indentation hardness; and according to the relevance between the macroscopic indentation hardness of the rock and the drillability grade value of the rock, establishing the drillability grade value of the rock, which is represented by the microhardness of the rock debris nanoindentation test. Under the conditions that the number of underground rock samples is small and the cost is high, the method breaks through the limitation of a conventional test on the size and shape of the sample, solves the problem of testing the mechanical parameters of deep rocks in the field of oil and gas drilling, is a powerful supplement to a conventional test method, and provides a basic support for optimizing a drill bit and improving the drilling speed.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

A method of using a cement stone curing device

The invention discloses a cement curing device and a method for using the same. By heating the inner space of a large constant temperature heating box, the whole curing kettle is heated and kept constant from the outside to the inside, which changes the traditional curing device in the curing kettle. Or the heating method of setting heating resistors on the wall of the kettle body can not only control the temperature in the curing kettle, but also have the advantages of reducing the size of the kettle body, improving the pressure bearing capacity, reducing manufacturing costs, and increasing the space utilization efficiency in the kettle. Multiple single kettles of different sizes can be placed in the constant temperature heating box at the same time, and the number and size of the kettle bodies can be flexibly configured according to needs; by only taking the required small kettles when taking samples, it can also overcome the traditional maintenance device. When the cement stone sample is taken, the temperature and pressure fluctuations of the rest of the cement stone in the curing kettle will cause the performance change of the cement stone, so that the cured cement stone is more in line with the actual cement stone in the well.
Owner:SOUTHWEST PETROLEUM UNIV

Gravel sample collection cylinder

PendingCN114088453ASolve the problem of long sampling periodEasy to take outWithdrawing sample devicesEngineeringStructural engineering
The invention belongs to the field of sampling of detection samples of building materials, and particularly relates to a gravel sample collection cylinder which comprises a barrel and a material taking part, a first material storage cavity is formed in the barrel, the material taking part is arranged in the first material storage cavity, the material taking part comprises an inner baffle limiting piece and a plurality of inner baffles, one end of each inner baffle is provided with a mounting end, and the mounting ends are rotationally connected with the cavity wall of the first material storage cavity. After the multiple inner baffles are connected with the cavity wall of the first material storage cavity, the multiple inner baffles form a material blocking part, and the material blocking part corresponds to the first material storage cavity in position; and the inner baffle limiting piece is arranged at the bottom of the inner baffle, one end of the inner baffle limiting piece is connected with the cavity wall of the first material storage cavity, a limiting face is arranged on the inner baffle limiting piece, and after material taking is finished, the limiting face abuts against the bottom of the inner baffle, and the limiting face can limit opening of the material blocking part. The gravel sample collection cylinder is convenient for taking materials, and solves the problem of long sampling period of gravel samples.
Owner:CHINA 19TH METALLURGICAL CORP CHENGDU CONSTR +1
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