524 results about "Core sample" patented technology

The invention relates to an integrated experimental system and method for simulating sand production-sand prevention of an argillaceous silt hydrate reservoir, and the system comprises a reservoir sand production / mechanical property evaluation simulation device which comprises a heat exchange chamber and a high-pressure reaction kettle arranged in the heat exchange chamber, and the high-pressure reaction kettle is internally provided with a core holder; the gas displacement and control device is connected with the reservoir sand production / mechanical property evaluation simulation device; the confining pressure loading device is connected with the high-permeability confining pressure layer in the reservoir sand production / mechanical property evaluation simulation device and is used for simulating the confining pressure environment outside the reservoir core sample; the liquid displacement and control device is connected with the high-pressure reaction kettle and is used for providing liquid displacement conditions for the reservoir core sample; the gas-liquid-solid separation device is connected with the high-pressure reaction kettle and is used for separating a gas-liquid-solid mixture; the visual sand prevention simulation device for the screen pipe unit comprises a visual acrylic pipe, and the data acquisition device is used for acquiring and processing data of the sand prevention experiment of the visual acrylic pipe.

Systems and methods include obtaining well log data and core sample data of a subsurface formation; generating, based on the well log data and the core sample data, an unconfined compressive strength log for the subsurface formation; using an unsupervised machine learning model to form rock type clusters based on the unconfined compressive strength log and the well log data; forming a training dataset including the well log data, the training dataset labeled based on the rock type clusters; training a supervised machine learning model using the training dataset. While drilling a well in the subsurface formation, logging-while-drilling data is obtained from drilling equipment used to drill the well; and rock types in the subsurface formation are determined using the supervised machine learning model and the logging-while-drilling data.

The invention relates to a method for detecting the strength of ultra-high performance concrete through a core drilling method with the diameter of 52 mm. The method comprises the following steps that S1, steel bar distribution is detected on a to-be-detected ultra-high performance concrete member through a steel bar detector, and a steel bar distribution grid is drawn; s2, core samples with the diameter of 52 mm are drilled in the grids; s3, after processing the core sample, carrying out a compressive strength test to obtain a compressive strength value of the core sample; and S4, presuming the structural concrete strength by utilizing a correction coefficient formula according to the compressive strength value of the ultra-high performance concrete core sample. According to the method, the optimal core sample size of UHPC sampling is obtained through a contrast test, a correction coefficient formula suitable for the UHPC optimal core sample is obtained according to test data, the obtained optimal core sample size meets the standard requirements, damage to the UHPC component is minimum, and the strength of the UHPC component can be obtained.

The invention relates to a shale full pore size distribution and connectivity quantitative characterization method. The method comprises the following steps: respectively determining a two-dimensional nuclear magnetic resonance T1-T2 spectrum and a nuclear magnetic resonance T2 spectrum of a dry sample core and a saturated oil core, carrying out a high-pressure mercury injection test on a parallel sample of the core, completing benchmarking of T2 and pore throat radius, and determining core communication aperture distribution; (2) splitting the rock core into sheets along the lamella, determining a two-dimensional nuclear magnetic resonance T1-T2 spectrum of the sheet-shaped dry sample rock core, comparing the two-dimensional nuclear magnetic resonance T1-T2 spectrum with the T1-T2 spectrum of the dry sample rock core, and calculating the distribution of the disconnected seams of the rock core; (3) grinding the rock core into 200-mesh particles, measuring the two-dimensional nuclear magnetic resonance T1-T2 spectrum of the granular dry sample rock core, comparing the two-dimensional nuclear magnetic resonance T1-T2 spectrum with the T1-T2 spectrum of the sheet-shaped dry sample rock core, and calculating the distribution of disconnected holes of the rock core; and (4) calculating shale full pore size distribution and connectivity. According to the method, nuclear magnetic resonance testing is carried out on shale in different states and forms, and quantitative characterization of shale full pore size distribution and connectivity of different storage spaces is achieved.

A rapid assembly and automatic sampling drilling tool for frozen soil layer exploration includes a fixed flow divider, a flow guide pipe, a coring pipe and a drill bit. The fixed flow divider is connected to the drill bit through the flow guide pipe and the coring pipe mounted between the fixed flow divider and the drill bit. Two ends of the flow guide pipe communicate with the fixed flow divider and a main flow channel in the drill bit respectively. Hot water in the fixed flow divider can be conveyed into the drill bit through the flow guide pipe and sprayed from a nozzle arranged on the drill bit for drilling and coring operations. An inlet of the coring pipe communicates with a coring channel in an inner cavity in the drill bit, and a core sample drilled by the drill bit is taken out through the coring pipe.

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 relates to a method for quantitatively analyzing the evolution period of paleo-pore fluid in a sandstone reservoir, and belongs to the technical field of oil and gas reservoir exploration and development. According to the method for quantitatively analyzing the evolutionary period of the paleo-pore fluid in the sandstone reservoir, core samples with different oiliness are selected at a target position in a target interval of a research area, fluid activity periods are preliminarily analyzed, and then the core sample with the most fluid activity periods is selected as a standard sample; pore fluid evolution analysis can be carried out on a standard sample, the analysis process is shortened, and the precision of recovering pore fluid evolution is improved.

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 dynamic permeability testing system and method for hydrate core production by a pressure reduction or heat shock method, and the system comprises a dynamic permeability testing unit (1) which is used for the preparation of a natural gas hydrate core sample and the measurement of permeability; the gas and liquid injection unit (2) is used for injecting required gas and liquid into the dynamic permeability testing system; the hydraulic oil control unit (3) is used for applying axial pressure and confining pressure to the dynamic permeability testing system; the gas-liquid separation metering unit (4) is used for metering the gas-liquid flow at the outlet; and the data acquisition monitoring and control unit (5) is used for monitoring data of each unit and controlling each unit to work. According to the invention, the natural gas hydrate-containing rock core can be subjected to pressure drop under the triaxial stress condition or the production dynamic permeability test by a heat shock method.

The invention discloses a core drilling method automatic recording and defect intelligent identification method based on deep learning, and relates to the technical field of core sample defect intelligent discrimination. Core sample photos shot on site are acquired, and a deep learning model is used for performing a series of processing; comprising the steps of determining boundary points, extracting angular points, preprocessing photos, extracting return information, identifying defects and the like, and finally generating core sample catalog information and a drilling comprehensive histogram. The method is technically characterized in that a corner point recognition model, a return extraction model, a defect extraction model and a defect classification model are combined with algorithms such as a rotary clamping shell and image preprocessing, and automatic analysis and recognition of a core sample photo are achieved; according to the method, various defect types and degrees can be accurately identified, an efficient, accurate and visual catalog result and visual display are provided for engineering detection, and the detection efficiency and reliability of a core drilling method are remarkably improved.

A system and method for determining a net source rock thickness is disclosed. The method includes obtaining at least one well log, a first and second plurality of core samples from a wellbore, and for each of the first plurality determining a relative abundance of inorganic materials, and for each of the second plurality a set of organic material data. The method further includes determining a validated total organic content and a measured source rock thickness based on the organic material data and relative abundance of inorganic materials and determining a data and a prediction portion of the wellbore, based on the second plurality sample locations. The method still further includes determining a cut-off value for each well log, predicting a source rock thickness from the cut-off values and the net source rock thickness from a sum of the predicted and the measured source rock thicknesses.

The invention provides a method and a device for in-situ determination of quartz oxygen isotope in shale, and relates to the technical field of geological prospecting, the method comprises the following steps: crushing or cutting a shale core sample to obtain a core square block, embedding the core square block into a metal target, and pre-treating to obtain a shale sample; scanning and photographing the surface of the shale sample according to a preset mode, splicing a reflected light panoramic image, judging quartz attribute characteristics and cause types of a test target through observation, and delineating the position of the test target; positioning the position of a test target according to the morphology characteristics of the test target and different surrounding reference objects in combination with the reflected light panoramic image, and performing in-situ oxygen isotope test on the test target by using a nanoscale secondary ion probe mass spectrometer to obtain in-situ oxygen isotope test data; and checking each in-situ oxygen isotope measuring point pit position of the shale sample, performing quality control on in-situ oxygen isotope test data according to a checking result, and determining an in-situ oxygen isotope measuring result.

The invention discloses a shale oil reservoir CO2 huff and puff miscible-phase region dynamic discrimination method. The method comprises the steps that nuclear magnetic resonance testing is conducted on a target oil reservoir core sample; the method comprises the following steps: scanning a target oil reservoir core sample, constructing a three-dimensional core pore structure model, introducing nuclear magnetic resonance data to calibrate initial fluid saturation, and establishing a dynamic displacement numerical simulation model in combination with a CO2-crude oil phase equation, an interfacial tension model and a core permeability heterogeneity parameter; designing a plurality of groups of huff and puff experiments, simulating a CO2 injection process, monitoring nuclear magnetic resonance signal changes of the rock core in a displacement process in real time, correcting fluid saturation, a pressure field and interfacial tension parameters in a dynamic displacement numerical simulation model, and dividing a miscible-phase region; and selecting an optimal development parameter combination based on mixed-phase region distribution under different transfer injection opportunities, soaking time and throughput turns. According to the method, accurate division and dynamic discrimination of the CO2 huff and puff mixed-phase region are realized.

The invention relates to the technical field of oil exploration, in particular to a shale oil dessert evaluation system construction method and a shale oil dessert evaluation method.The shale oil dessert evaluation system construction method comprises the steps that geological characteristic parameters of a plurality of rock core samples are obtained; based on the geological characteristic parameters, determining main control influence factors of shale oil enrichment through a control variable method and correlation analysis; and establishing a dessert section quantitative evaluation system according to the master control influence factors. According to the method, on the basis of the geological parameter data of the sampled rock core, through the control variable method and the correlation analysis method, the sweet spot evaluation parameter system is established, the sweet spot section of the pure shale layer section is longitudinally divided, the favorable area can be further predicted, and the technical problem of the method faced by shale oil sweet spot selection is solved. The shale oil enrichment mechanism, dessert control factors and favorable zone evaluation in the research section are deeply understood; meanwhile, reference is provided for area selection, zone selection and exploration deployment of the pure shale type shale oil, and the field of exploration of the pure shale type shale oil is effectively expanded.

The invention relates to the field of geological exploration, and discloses a deep-hole rock core extraction mechanism for geological exploration and a method thereof.The deep-hole rock core extraction mechanism comprises a plate table, a mounting block, a mounting column, a driven block and a supporting frame; the pressure-reducing discharging unit is arranged on the supporting frame; the two mounting blocks are symmetrically and fixedly arranged at one end of the top of the plate table; the mounting column is fixedly arranged on the mounting block, after drilling of a core sample is finished, the lifting assembly can drive the core sample to slowly ascend upwards from a hole, and after the core sample ascends to a certain height, the pressure reducing assembly can be slowly opened, so that the core sample is drilled underground under the action of slurry and different pressures, and the core sample can be quickly and accurately drilled. The core sample can be clamped in the container of the lifting assembly, the core sample is not easy to take out from the container, and the pressure intensity inside and outside the container can be kept consistent through the pressure reduction assembly, so that the core sample can be quickly separated.

Provided is a core sample tray 10 comprising a tray body 12 defining a plurality of side-by-side rotund cross-sectional grooves 14 each for operatively receiving a core sample therein. The tray body 12 is bound by first and second pairs 16 and 18 of side walls. The first pair of side walls 16 is arranged substantially parallel with said grooves 14 and the second pair of side walls 18 is arranged substantially transverse against ends of said grooves 14. The core sample tray 10 generally defines saw blade slots 22 that are configured to allow a saw blade to pass therethrough in order to saw a plurality of core samples in-situ within the core sample tray 10.

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.

The present invention discloses a device and method for testing the gas loss amount which simulates a wireline coring process, and belongs to the field of petroleum engineering. The device includes: a programmable temperature control thermostat for simulating temperature changes in a wireline coring process, a simulated center pipe body for constructing a simulated environment of the center pipe body being filled with drilling fluid or clean water, a simulated coring barrel for drilling for and retaining a core sample, a gas injection control and recovery device, a liquid injection control and recovery device, and a drainage and gas collection meter. The present invention has advantages as follows: it is simple to implement and can reproduce a real drilling and coring process to a certain extent; the simulation of the coordinated changes in liquid pressure and temperature environment experienced by the core sample lifted to a wellhead from a drilling bottom hole through the programmable temperature control thermostat and a program-controlled constant pressure valve, can truly reproduce the environmental conditions of a wireline coring barrel being filled with drilling fluid and the loss changes in gas content of the core sample with the coordinated descents in liquid-phase pressure and temperature in the liquid-phase filling environment in the core lift process.

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.

The utility model discloses a test mold mounting platform matched with concrete core sample processing, which comprises an operating platform provided with a cutting machine, a clamping plate device is arranged on the operating platform, a plurality of test piece stations are arranged on the upper surface of the operating platform in the linear direction, test mold components are placed on the test piece stations, and the test mold components are arranged on the operating platform. The test mold assembly is clamped front and back by the clamping plate device before cutting; the test mold assembly comprises a cuboid test mold, a through hole is formed in the center of the test mold, a core sample is placed in the through hole, and a connecting layer filled with cement paste is arranged between the outer wall of the core sample and the inner wall of the test mold; the cutting perpendicularity and flatness are ensured; and meanwhile, the demoulding device and the cement grouting device are integrated on the operation platform, so that the operation is convenient, and the working efficiency can be greatly improved.

A continuous logging method and device is provide, where the method includes obtaining drilling fragment samples and full-diameter core samples, and screening out target rock cuttings from the drilling fragment samples; performing a micro-indentation experiment on the target rock cuttings to obtain a static parameter thereof; performing a triaxial compression experiment on the full-diameter core samples to obtain a dynamic parameter and a static parameter thereof; determining a first correspondence between the static parameter of the target rock cuttings and the dynamic parameter of the full-diameter core samples; determining a second correspondence between logging data and the static parameter of the target rock cuttings based on the first correspondence; and drawing a formation mechanical property profile based on the second correspondence. The method solves the problem of conventional methods which cannot draw a continuous and complete profile of the mechanical property of the whole well section.

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.