347 results about "Core sample" patented technology

The utility model discloses a geological drilling coring device which comprises a frame body, a placing table is installed on the upper portion of the frame body in a sliding mode, a motor is connected to the upper portion of the placing table through bolts, the motor is connected with a transmission shaft through a belt, a coring barrel is fixedly connected to the bottom of the transmission shaft, and a drill bit is fixedly connected to the bottom of the coring barrel. A cutting-off structure is arranged in the coring barrel and comprises a cavity and a first gear, a sliding block is slidably installed in the cavity, a rack is fixedly installed on the upper portion of the sliding block, a second gear is rotatably installed in the cavity, the second gear is connected with the rack in a meshed mode, and a double-face gear ring is rotatably installed at the upper position in the cavity. The double-face gear ring is connected with the second gear in a meshed mode, the double-face gear ring is connected with the first gear in a meshed mode, and a rotating shaft is fixedly installed at the top of the first gear. According to the geological drilling coring device disclosed by the utility model, a required core sample can be completely stored in the device.

The invention discloses a shallow shale gas self-sealing reservoir formation identification method, which comprises the following steps: firstly, carrying out dual-energy CT scanning on a shale full-diameter core sample to obtain DEI values, and the difference of the DEI values embodies different lithologic (physical property) longitudinal change rules, i.e., different shale lithologic grain interlayer interlayers, different shale lithologic grain interlayer interlayers, different shale lithologic grain interlayer interlayers, different shale lithologic grain interlayer interlayers, different shale lithologic grain interlayer interlayers, and different shale lithologic grain interlayer interlayers; the development of the top and bottom plates of the high-quality shale reservoir enables the shale gas to have a self-sealing reservoir forming characteristic; then simulating the adsorbability of the shale gas through laboratory thermal cracking to obtain a shale gas adsorbability rule, and identifying whether the shale gas has a self-sealing reservoir forming characteristic or not. And finally, measuring the distribution rule of the microscopic porosity and the pore diameter through a scanning electron microscope, judging whether the shale layer is a non-or ultra-low permeability layer under the formation temperature and pressure condition or not, and identifying whether the shale gas has the self-sealing reservoir forming characteristic or not. According to the method, the self-sealing reservoir forming of the shale gas is identified in multiple aspects, and the method provides effective technical support for evaluating the favorable layer section of the shale and is of great significance in improving the exploration and development effect of the shale gas.

The invention provides an auxiliary rock core geological logging method based on drilling parameters, and relates to the technical field of geological investigation, the method is applied to a logging control terminal, and the method mainly comprises the following steps: obtaining regional typical rock core samples and five types of drilling parameter signals, classifying and extracting static characteristics of the rock core samples, and carrying out parallel noise reduction analysis on the parameter signals; obtaining a matching relationship between the rock core and the parameter signal, and constructing a lithologic parameter bidirectional association reference library; on the basis of the matching relation of the lithologic parameter bidirectional association reference library, the model is embedded into an incremental learning module to update the weight, and a subsection lithologic pre-judgment result is output; and calling a preset catalog template to load a pre-judgment result, generating a catalog report after man-machine interaction recheck and correction, collecting correction data, reversely transmitting the correction data back to the reference library to update a matching relationship, and triggering incremental learning of the model to complete a closed loop. The technical problems that in traditional rock core logging, regional lithology adaptation is poor, parameter interference is large, a model is not dynamically optimized, the deep operation risk is high, and efficiency is low are effectively solved.

A combined rock mass strength prediction and floor strength mapping method based on a PCA-KAN fusion neural network comprises the following steps: preparing combined rock mass test pieces with different layer sequences, thickness ratios and interface states, and obtaining multi-dimensional mechanical parameters through a compression mechanical test; carrying out dimension reduction processing by adopting a principal component analysis method, constructing a comprehensive strength index according to a principal component load coefficient, and forming a dimension reduction feature vector; constructing an Attn-KAN model, and adjusting hyper-parameters by adopting a Bayesian optimization algorithm; the performance and interpretability of the model are ensured through layered K-fold cross validation and SHAP analysis; the method comprises the following steps: carrying out a compression mechanical test on a field rock core sample to obtain multi-dimensional mechanical parameters, carrying out dimension reduction processing by adopting a principal component analysis method, and predicting by taking a principal component feature vector as input data to obtain a comprehensive strength predicted value; and adopting a Kriging interpolation method to output an intensity distribution and risk grade partition map. According to the method, accurate prediction of the strength of the combined rock mass can be realized, and spatial visual mapping of the strength of the coal seam floor and the risk level can be realized.

The invention discloses a method and a system for presuming a correction coefficient of the strength of a standard test piece by adopting a small core sample test piece, and belongs to the technical field of concrete strength detection. The method solves the problems of large error and high discreteness of a presumption result caused by factors such as size effect, aggregate constraint and process difference when the standard strength is directly presumed by adopting the strength of a small core sample in the prior art, constructs a historical sample library containing multi-dimensional characteristics, calculates an initial correction coefficient and a size ratio, and obtains the presumption result of the standard strength. Key factors such as the small core sample size, the coarse aggregate particle size, the water-binder ratio, the curing age and the height-diameter ratio are comprehensively considered, an intelligent correction model is established by utilizing algorithms such as a gradient boosting decision tree and a random forest, and a comprehensive correction coefficient can be scientifically and accurately output, so that the actually measured strength of the small core sample is reliably converted into the strength of a standard test piece; and the presumption precision and the result stability are greatly improved, so that reliable technical support is provided for safety and durability evaluation of an engineering structure.

The invention discloses a full-automatic measurement and strength testing method and system for a concrete core sample, and the method comprises the steps: obtaining an end face image and a cylindrical surface image of the concrete core sample, and extracting the boundary contour of the images; according to the boundary point set of the core sample image, identifying core sample end face deformation abnormity and cylindrical surface deformation abnormity; constructing a core sample end face defect identification model, and identifying core sample end face defect types and defect severity; extracting texture features, color features and geometric features of the core sample, and constructing a joint feature matrix; constructing a core sample cylindrical surface defect identification model, and identifying the defect type of the core sample cylindrical surface; performing core sample discarding, finishing and inspection flow distribution according to the deformation and defect identification information of the end surface and the cylindrical surface of the core sample; and determining the compressive strength of the concrete core sample by using an automatic centering and servo loading device. According to the invention, the integrated full-process unmanned closed-loop operation of size detection and strength test is realized, and the requirements of efficiency, consistency and traceability of mass engineering core sample detection are met.

The invention discloses a method, a system, equipment and a medium for detecting an oil-water two-phase relative permeability curve, and belongs to the technical field of oil-gas field development technologies. The detection method of the oil-water two-phase relative permeability curve comprises the following steps: washing oil and drying a rock core sample, vacuumizing the rock core sample, and injecting formation water into the rock core sample, so that the rock core sample reaches a saturated water state; injecting crude oil into the core sample at a preset oil reservoir temperature to enable the core sample to reach a saturated oil state; performing water-displacing oil operation on the rock core sample at a preset flow rate, and scanning the rock core sample at a plurality of scanning nodes by using a CT (Computed Tomography) scanning device; oil saturation and water saturation are calculated according to an actually measured rock core CT value, and parameter fitting is performed on the Corey model according to the oil saturation and the water saturation to obtain an oil-water two-phase relative permeability curve. The method can accurately detect the oil-water two-phase relative permeability curve of the rock core.

This application relates to a physical simulation device and method for determining the location of a CO2 flooding front, belonging to the field of physical simulation devices. The device includes a clamp, an imaging device sleeved on the outside of the clamp, an intermediate container filled with CO2 at the inlet end of the clamp, a back pressure assembly at the outlet end of the clamp, a metering assembly between the back pressure assembly and the clamp, and a confining pressure assembly on the clamp. This application has the effect of determining the location of a CO2 flooding front by analyzing changes in oil phase signals in core samples.

This invention relates to the field of road engineering technology, specifically to a test device and method for synchronous leveling of the double-end face of a core sample. The device includes an upper support seat, a lower support seat, a leveling mechanism, a lower positioning mechanism, a material replenishment and demolding assembly, and an upper positioning mechanism. The leveling mechanism includes at least two sets of lifting components, each set of lifting components completing the horizontal calibration of the upper and lower support seats. The lower positioning mechanism includes a guide frame and a locking assembly. The guide frame has a core sample placement channel, and the locking assembly can laterally clamp the core sample to form a whole. The material replenishment and demolding assembly includes a thickness fixing component and a leveling material placement assembly. The upper positioning mechanism includes a thickness fixing seat and a leveling assembly. The thickness fixing seat is guided and arranged on the upper side of the guide frame. The upper support seat is provided with a material storage assembly. This invention solves the technical problem in the prior art where single-end face leveling of the core sample requires multiple disassemblies and reassemblies, resulting in cumbersome operation steps and low test efficiency.

The invention relates to the field of geological exploration and development, and discloses an artificial fracture inversion method and device, a storage medium and a processor, and the inversion method comprises the steps: obtaining artificial fracture characteristic parameters of a core of a cored well in a target region, and associating the artificial fracture characteristic parameters with a well trajectory of the cored well; establishing a micro-seismic body mesh model of the target area, importing the association result into the micro-seismic body mesh model to obtain a target mesh, and determining a first association relationship between the artificial fracture in the target mesh and the micro-seismic monitoring data; and based on the first incidence relation, under the constraint of the first inversion constraint condition and the second inversion constraint condition, performing inversion on the artificial fracture of the target area. According to the scheme, the artificial fracture characteristic parameters of the core of the coring well are combined with the microseismic monitoring data, so that the accuracy of artificial fracture inversion is greatly improved.

The utility model discloses drilling equipment for road detection, which comprises a mobile platform, a drilling assembly and a collecting assembly, the drilling assembly is movably mounted on one side of the interior of the mobile platform, the collecting assembly is fixedly mounted on one side of the drilling assembly, and the drilling equipment can be flexibly moved and used through the arrangement of the mobile platform. The drilling assembly is used for drilling machining, chippings generated after drilling are collected for use through the collecting assembly, and the drilling assembly comprises an upper support, a movable motor, a movable sleeve, a threaded rod, a telescopic air cylinder, a drilling motor and a drilling head. Before drilling and sampling, the movable motor drives the threaded rod to drive the movable sleeve to move back and forth to adjust the position needing to be drilled, the drilling equipment can accurately drill a core sample at a designated position, visual evidence is provided for the internal condition of a road structure, and therefore the detection accuracy is improved.

The application provides a method for judging ancient marine water body environment. The method comprises the following steps: obtaining a target shale reservoir core sample in a work area; wherein the target shale reservoir is radiolarian siliceous shale lamina; determining the composition of the shell cavity filling and the filling amount of calcite in the shell cavity in the target shale reservoir based on the target shale reservoir core sample; and determining the ancient marine water body environment during the deposition period of the target shale reservoir in the work area according to the composition of the shell cavity filling and the filling amount of calcite in the shell cavity in the target shale reservoir. The method for judging ancient marine water body environment can effectively combine the oxidation-reduction state of the ancient marine deep water body and the precipitation and dissolution conditions of calcite, so as to better promote the reconstruction of the ancient marine environment.

This invention discloses a method, apparatus, equipment, medium, and product for determining the upper limit of fault bearing capacity. The method includes: acquiring seismic data and establishing a stress field around the fractured well based on the seismic data to obtain the fault stress around the fractured well; acquiring core sample data and establishing a fault slip map based on the core sample data; determining the stress at a target point based on the fault stress around the fractured well, and mapping the stress at the target point onto the fault slip map to obtain the upper limit of bearing capacity corresponding to the target point. This technical solution determines the maximum additional fluid pressure required for fault slippage, enabling pre-fracturing fault slipability evaluation and reducing the risk of casing deformation caused by fault slippage during fracturing.

The invention belongs to the technical field of rock stratum fracturing analysis and optimization, and particularly discloses a rock core post-fracturing fragmentation degree quantitative analysis method based on three-dimensional scanning and damage evolution.The method comprises the steps that natural fracture parameters of a rock sample rock core are obtained, and the natural fracture surface area is calculated; the method comprises the following steps: determining corresponding experimental data according to field environmental conditions, performing a triaxial compression experiment on a sample, and after the experiment, acquiring a post-compression fracture surface area of the rock core sample by utilizing a set three-dimensional scanning device; establishing a rock statistical damage constitutive model according to a damage evolution theory so as to determine mechanical damage parameters, analyzing a ratio of a fractured fracture surface area to a natural fracture surface area based on a fracture density function and a fracture size distribution principle, and determining a fragmentation degree operation model of the rock sample; and utilizing the model to predict fragmentation degree data of a rock sample to be analyzed, and evaluating the reservoir rock fracturing property. According to the method, the fragmentation degree of the rock core under different pressure conditions can be accurately quantified, so that a scientific basis is provided for evaluating the fracturing property of an oil and gas reservoir.

The application discloses a reservoir gas-water relative permeability determination method, and relates to the field of reservoir permeability determination. The method comprises the following steps: obtaining a core sample of a target reservoir and determining the geometric size of the core sample; injecting simulated formation water into the core sample until the core sample is saturated, and performing nuclear magnetic scanning to obtain a reference nuclear magnetic signal and an initial porosity distribution; performing a multistage gas injection pressure experiment in an intermittent displacement mode to obtain quasi-steady-state displacement data; constructing a two-phase percolation numerical model with phase permeability curve parameters and capillary pressure curve parameters as to-be-inverted parameters; constructing a target function based on the quasi-steady-state data and performing inversion solving to obtain optimal parameters; and determining the phase permeability curve and the capillary pressure curve based on the optimal parameters. The application obtains the fluid distribution inside the core through nuclear magnetic resonance, obtains quasi-steady-state data in combination with intermittent displacement, and inversely solves the phase permeability and the capillary pressure, so that the problem that the fluid distribution inside the core cannot be accurately reflected and the multi-solution problem cannot be solved is solved, and the influence of the capillary end effect is eliminated.

The invention discloses a salt-cavern gas storage roof collapse test method and test device, and relates to the technical field of salt-cavern gas storages, the salt-cavern gas storage roof collapse test method comprises the following steps: step 1, a roof rock core sample is fixedly arranged in a pressure-resistant bin, so that the roof rock core sample and the pressure-resistant bin define a closed simulation cavity; 2, the simulation cavity is filled with test liquid, the bottom end of the roof rock core sample is placed in the test liquid, meanwhile, air in the simulation cavity is exhausted, and the spalling condition of the roof rock core sample is observed; according to the invention, the real working condition of the salt-cavern gas storage can be simulated, and the stripping condition of the salt-cavern gas storage roof can be estimated.

The application discloses a method for precisely controlling construction quality of a roller compacted concrete interlayer, which comprises the following steps: S1, roller compacted concrete test preparation, determining a test site and a roller compacted concrete test block size, and dividing areas of the test block; S2, a roller test process, layer-by-layer rolling of the test block, and obtaining maturity results of different interlayer joints of the test block; S3, curing and coring of the roller compacted concrete test block, and obtaining test result data of the core sample; S4, analyzing tensile and compressive results of the core sample, and obtaining analysis conclusions of the tensile and compressive results of the sample; S5, according to S2 to S4, formulating control standards and treatment measures of the roller compacted concrete interlayer joints in different months; S6, in a roller compacted concrete dam construction process, corresponding treatment measures are carried out according to the control standards and treatment measures of the roller compacted concrete interlayer joints in different months; and S7, after the roller compacted concrete dam construction is completed, construction quality is checked and results are verified. The application can improve pouring quality of the roller compacted concrete.

The invention discloses a sampling device for constructional engineering concrete detection, and relates to the technical field of concrete detection.The sampling device comprises a mechanism cover and a console arranged on the upper side of the mechanism cover, turning plates are arranged on the front side and the rear side of the mechanism cover, a water inlet pipe is arranged on the outer side of the mechanism cover, and a cutting mechanism is arranged on the inner side of the mechanism cover; the cutting mechanism comprises a first hydraulic telescopic rod, two guide assemblies distributed left and right, a cutting rope guided by the guide assemblies and a conveying assembly driven by the first hydraulic telescopic rod to move up and down, and the conveying assembly is used for circularly conveying the cutting rope. According to the sampling device for constructional engineering concrete detection, the cutting rope is guided by the guide assembly, and meanwhile, a special structure is formed at the bottom of the cutting rope by virtue of the structure of a core sample, so that the root of the core sample can be conveniently cut by the cutting rope, and the core sample can be completely taken out without damage when a concrete layer is relatively thick.

This disclosure describes methods and systems for CO2 injection well placement in a target area. The method involves identifying input data associated with the target area, the input data including at least one of core samples or well logs from the target area; generating, based on the input data, a structural depth grid of the target area; generating, based on the structural depth grid, a slope map of the target area; generating, based on the slope map of the target area, a flow direction map for the target area; determining, based on the flow direction map, a fluid flow accumulation and a fluid flow length in the target area; and based on the fluid flow accumulation and the fluid flow length in the target area, selecting at least one position for drilling at least one CO2 injection well in the target area.

The application provides a geothermal development simulation test device and method, the geothermal development simulation test device comprises a high-temperature and high-pressure resistant container (6), a high-pressure injection system (1), a confining pressure loading system (2), an axial pressure loading system (3) and an axial pressure unloading system (4), the high-temperature and high-pressure resistant container (6) comprises a core containing cavity and a piston containing cavity which are sequentially communicated, and the core containing cavity can contain a core sample (606); the confining pressure loading system (2) can apply confining pressure to the core sample (606); the axial pressure loading system (3) can apply axial pressure to the core sample (606) through a piston (610); and the axial pressure unloading system (4) can remove the axial pressure applied to the core sample (606) through the piston (610). The geothermal development simulation test device and method can more truly simulate the geothermal development process.

The invention provides an in-situ reservoir permeability evaluation method based on small-angle neutron scattering (SANS) and application, and realizes high-precision dynamic monitoring and development optimization of reservoir permeability through a multi-scale pore structure characterization and fractal permeability model. According to the technical scheme, the method comprises the following steps: acquiring pore structure fractal parameters of a rock core sample; constructing a fractal permeability model; and establishing a quantitative relation model of the permeability K and the hydrate saturation Sh, and dynamically monitoring the hydrate reservoir. According to the technology, cross-scale evaluation from a micro-pore structure to macroscopic seepage characteristics is realized, a scientific basis and a dynamic regulation and control tool are provided for unconventional reservoir development, and the safety and economy of hydrate exploitation are remarkably improved.

The invention belongs to the technical field of sedimentary geology research, and discloses a quantitative sedimentary rock classification evaluation method and system based on biological disturbance. The method comprises the following steps: acquiring a high-resolution image of a unit area of a field outcrop or core sample; identifying a relics fossil or a biological disturbance area in the high-resolution image, and obtaining a biological disturbance quantity percentage of the high-resolution image by using a unit grid method; identifying the belonging number of the relics fossils in the high-resolution image; measuring to obtain the diving hole diameter of each relics fossil, and obtaining the diving hole diameter of the maximum relics fossil; obtaining the natural layer thickness of the field outcrop or rock core sample and the average particle size of the surrounding rock; calculating to obtain a biological disturbance coefficient; and based on the biological disturbance coefficient of the field outcrop or rock core sample, evaluating to obtain a classification evaluation result of the sedimentary rock. When a researcher performs classification evaluation on the same or similar sedimentary rock samples, a relatively consistent result can be obtained, and the repeatability and comparability of evaluation are enhanced.

The invention relates to a method for observing and quantitatively analyzing microscopic displacement of water-displacing oil, and belongs to the technical field of oilfield development. The method specifically comprises the following steps: preparing a core sample into a visual rock slice assembly; injecting fluid into the visual rock slice assembly to carry out a displacement experiment, recording a video of the distribution condition of the fluid in the slice, intercepting a picture, and establishing fluorescent picture standard samples of the rock slice in different states; oil-bearing areas before and after displacement are analyzed from the pictures; and analyzing the occurrence state of the residual oil. The defects that a glass etching model cannot reflect a real core pore structure and the definition of a recorded displacement video or picture is low are overcome.

The application belongs to the technical field of oil exploitation, and discloses a high-temperature and high-pressure full-automatic CO2 flooding and burying integrated experimental device and method, which comprises a core clamping system for clamping a core sample, and a pressure measuring system and a confining pressure system are communicated on the core clamping system; a fluid injection system is communicated with the core clamping system; a fluid property measuring system for measuring fluid properties is arranged on the fluid injection system; an output product separation system is communicated with the outlet of the core clamping system through a back pressure adjusting system, and the output product separation system is communicated with a fluid recovery system, a fluid analysis system and a fluid circulation system; and an output product measuring system is communicated with the core clamping system. The application realizes automatic control of the whole set of equipment, is suitable for evaluation of carbon dioxide enhanced oil recovery and in-situ storage, and can also be used for experimental research on related problems such as natural energy depletion development, secondary and tertiary oil recovery, expands the research field and enlarges the application range.

The application discloses a reservoir sensitive parameter determination method, device and equipment and a storage medium. The method comprises the following steps: obtaining a plurality of core samples of a target layer in an exploration area, wherein each core sample corresponds to different porosities; performing rock physical parameter experimental tests on each core sample under different saturations based on a seismic source with the same frequency as a seismic wave, and obtaining the corresponding longitudinal wave velocity and transverse wave velocity of each test; determining the parameter value of each rock physical elastic parameter corresponding to each test based on the corresponding longitudinal wave velocity and transverse wave velocity of each test and core density information; and determining the reservoir sensitive parameter corresponding to the target layer from each rock physical elastic parameter based on the parameter value of each rock physical elastic parameter corresponding to each test. The technical scheme of the embodiment of the application can determine a more matched reservoir sensitive parameter, ensure the accuracy of the determination of the reservoir sensitive parameter, and effectively improve the seismic reservoir prediction precision.

This invention discloses an apparatus and experimental method for studying the surface characteristics of rocks after acidizing, belonging to the field of shale oil reservoir acidizing stimulation. The apparatus includes a reaction experiment module for fixing and positioning core samples; an image acquisition module for acquiring image data of the core samples; a 3D scanning module for acquiring stereoscopic images of the core samples; a temperature control module for heating the reaction vessel to provide a high-temperature environment for the acidizing reaction; a movable water injection module for precisely injecting experimental liquid onto the surface of the core samples; a temperature control and acid gas injection module for generating acid gas to acidize the core samples; and also includes a mechanical lifting module and an information calculation module. This invention can analyze different types of rocks and different types of gaseous acids, analyze the characteristics of rocks after acidizing under various combinations, thereby analyzing the mechanism and differences of gaseous acidizing, and providing theoretical support for the continued development of gaseous acidizing.

The present application relates to oil and gas geology evaluation technical field, specifically to a kind of construction method of resistivity model for evaluating the adsorbed oil content of shale oil reservoir.The method includes: based on effective medium symmetric conduction theory, establish the shale adsorbed oil resistivity model consisting of rock skeleton, adsorbed oil, free oil, free water and clay bound water five components;According to well logging data, determine the mineral skeleton content, argillaceous content and porosity in the model;Using the whole rock XRD of core sample, porosity determination and rock pyrolysis experimental data, the model geometric parameters are determined by using Powell optimization algorithm;Finally, the adsorbed oil component content is solved according to dichotomy iteration algorithm and converted into adsorbed oil mass.The present application overcomes the problem that traditional step pyrolysis experiment is limited by core sample and is difficult to realize continuous evaluation of whole well section, realizes continuous and quantitative evaluation of the adsorbed oil content of shale oil reservoir, and provides technical support for the evaluation of adsorbed oil content of shale oil reservoir.

The application relates to a low-permeability reservoir classification method, which comprises the following steps: drilling a limited number of core samples distributed at different well depths, and performing physical property testing on each core sample to obtain a corresponding core classification result, which is used as a sample label; acquiring parameter values of each well logging curve in preferred well logging curves, collecting core sample labels and corresponding physical parameters at different depths as labeled sample data, and acquiring well logging curve parameter values at a set well depth according to each well logging parameter curve with a set step, and taking well logging curve parameter values at depths without core samples as unlabeled sample data; based on the labeled sample data and the unlabeled sample data, a semi-supervised machine learning model is trained; and based on the trained semi-supervised machine learning model, the core classification result at the set well depth of each well logging is predicted. The scheme improves the accuracy of reservoir classification.

The present application relates to the technical field of core transfer, in particular to a core storage and transfer box with geological information recording, which solves the problems of the core storage and transfer box, such as the single core adaptation of groove position fixation, the complexity of taking and placing, the damage of core due to transportation movement and collision, the simple concave-convex positioning without locking of stacking, the easy falling of transfer, the easy falling of information sticker outside, the low efficiency and error of checking, etc. The box body structure is internally provided with a lifting adjusting mechanism. The core sample is placed between two groups of limiting plates, the position of the limiting plate is locked by a locking screw, the lateral clamping and fixation of the core is realized, the flexible limiting and clamping of the two ends of the core sample are realized by a blocking plate, the storage of cores with different diameters and different length specifications can be adapted, the versatility is high, the core shaking, collision and damage due to knocking during the transfer process are effectively avoided, and the integrity of the geological core sample is fully protected.

The invention provides an acid rock reaction kinetics testing device and method, and relates to the technical field of acid rock reaction kinetics test.The device comprises a reaction kettle, a rotation driving part is arranged in the reaction kettle, and the rotation driving part is used for being connected with a rock core sample and can drive the rock core sample to rotate in the reaction kettle; a first heating part is arranged on the outer side of the reaction kettle; the acid injection structure is connected with the liquid inlet pipeline of the reaction kettle, and the acid injection structure is used for being connected with a gas source; the cooling structure is connected with a liquid outlet pipeline of the reaction kettle; the reinjection structure is connected with an output pipeline of the cooling structure and is connected with the acid injection structure through a reinjection pipeline; the problems that in the acid rock reaction kinetics testing technology in the prior art, spraying of steam-state spent acid can affect the sampling precision of the spent acid and form potential safety hazards, and for a high-temperature and high-pressure reaction kettle, a large amount of time needs to be consumed for cooling after each test, and continuous testing cannot be conducted are solved.