254 results about "Petroleum exploration" patented technology

The invention relates to the field of oil exploration, and particularly discloses a karst area oil exploration target optimization and resource quantity prediction method based on three-dimensional geological modeling. The method comprises the steps that firstly, seismic data, logging data and a rock core analysis result of a karst area are collected, data normalization and time-depth conversion are carried out, and a three-dimensional geologic model fusing structural constraints and physical property constraints is constructed; then multi-attribute indexes such as a coherent body, curvature, amplitude attenuation, deep lateral resistivity and interval transit time are selected, and karst development indexes are calculated through principal component analysis; in combination with parameters such as reservoir thickness, porosity, permeability, trap integrity and oil and gas display, utilizing a multi-index weighted scoring method to screen exploration favorable blocks; and finally, calculating reserves according to a volumetric method to obtain resource quantity prediction results of different target areas. According to the method, three-dimensional fusion modeling, multi-index quantitative optimization and chained calculation of multi-source data are realized, and quantifiable and traceable technical support is provided for oil exploration deployment in a karst area.

The invention discloses a formation collapse pressure prediction method based on a feature marking physical information neural network, and relates to the technical field of oil exploration and development. The method comprises the following steps: collecting multi-scale data of logging, earthquakes, cores and the like, and constructing a physical constraint framework in combination with a well track stress field model; a data enhancement module combining expert knowledge and a Beta distribution mixed strategy is utilized to carry out interpolation on missing values and generate an enhanced data set conforming to geological laws; a multi-head self-attention encoder comprising a feature word segmentation device and a Transform is constructed, original parameters are converted into embedded vectors, and deep interaction features are mined; a physical consistency measurement function based on a collapse pressure mechanism is introduced, and a total loss function containing data loss and physical loss is constructed for joint optimization. According to the method, the problem of geological sample scarcity is effectively solved, it is ensured that the prediction result meets the rock mechanics equilibrium condition, and the prediction precision and robustness of the complex formation collapse pressure are remarkably improved.

The invention discloses a horizontal well while-drilling method and system suitable for ultra-deep oil and gas reservoir development, and belongs to the technical field of oil exploration and development. (2) accurate target entering is guaranteed through a marker bed control method and a stable inclination top detection method; and 3) predicting the position of the drill bit after target entering to guide the adjustment of the horizontal well. The horizontal well track is adjusted in real time by measuring stratigraphic layering and well deviation data during drilling, the drilling rate of a reservoir can be effectively increased, and an effective technical means can be provided for efficient development of deep oil and gas reservoirs.

The invention relates to the field of petroleum geology in the petroleum exploration industry, in particular to a foreland thrust zone development and evolution method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining rock physical parameters of a to-be-determined region; performing biaxial experimental numerical simulation on the rock physical parameters to obtain microscopic parameters of different lithology or different stratums of the to-be-determined area; setting boundary conditions for the established geologic model, and carrying out a numerical simulation experiment according to regular changes of control variables of the geologic model to obtain a numerical simulation experiment result; and constructing extrusion according to a numerical simulation experiment result to obtain development and evolution of the foreland thrust zone of the to-be-determined area. By integrating limited geological and geophysical data, a geometric model and a geologic model can be established for a research area, and the forward modeling of the development and evolution process of the foreland thrust zone can be carried out by regularly adjusting partial parameters or anomalous bodies with relatively low cognition degrees.

A method for evaluating contribution of each component to shale oil reservoir resistivity at high temperature and high pressure is applied to the field of oil exploration and development. The method comprises the following steps: (1) analyzing the volume percentage of each clay mineral, the pore water content and the mineralization degree of the shale oil reservoir pressure-maintaining closed core; (2) when the fluid pressure is greater than 23MPa, measuring the resistivity of the pressure-maintaining closed rock core at each temperature point; (3) carrying out water balance treatment on pure clay minerals, namely kaolinite, montmorillonite, illite and chlorite, and measuring the resistivity at each temperature point when the fluid pressure is greater than 23MPa; (4) when the fluid pressure is greater than 23MPa, measuring the resistivity of each temperature point of the solution consistent with the mineralization degree of the pore water; and (5) constructing a resistivity evaluation model, and evaluating the contribution of each component to the resistivity of the shale oil reservoir under the condition of high temperature pressure.

The invention relates to the technical field of continuous light dydrocarbon, in particular to a dynamic configuration device and method for a continuous light dydrocarbon standard sample. Comprising a device main body, a driving unit, a sample feeding assembly and a sample discharging assembly, the device main body comprises a constant temperature layer and a sample preparation bin which are arranged from outside to inside, the sample preparation bin comprises a first bin body and a second bin body, and the opposite ends of the first bin body and the second bin body are respectively connected with a driving unit; according to the device, automatic operation of the whole process can be achieved, and manual intervention intensity and operation errors are greatly reduced; the standard sample concentration output by the device is accurate, stable and good in repeatability, system errors caused by standard sample concentration deviation of the light hydrocarbon instrument can be effectively inhibited, errors of hydrocarbon component content detection are controlled within a low range, the reliability of oil-gas-water layer recognition and evaluation results is remarkably improved, solid data support is provided for oil exploration and development, and the method is suitable for popularization and application. And the exploration decision risk is reduced.

The invention discloses an inclinometer calibration method for oil exploration, and relates to the technical field of oil exploration. Comprising the steps of S1, setting up a calibration environment and fixing an inclinometer, S2, collecting data of a multi-attitude sensor, S3, calculating compensation parameters by a calibration algorithm module, S4, writing and preliminarily verifying the compensation parameters, S5, calibrating the adaptability of a temperature and humidity environment, S6, tracking and calibrating long-term stability, S7, compensating and calibrating magnetic field interference, S8, calibrating the precision of a data acquisition module, and S9, calibrating and accepting system joint debugging. Through the steps S1, S2 and S3, a basic calibration system with a stable environment, comprehensive data and accurate calculation is constructed, and the basic measurement accuracy of the inclinometer is remarkably improved; through the steps S5, S7 and S9, a scenarized calibration closed loop of environmental adaptation, interference resistance and actual combat verification is formed, so that the inclinometer can keep stable precision in a temperature zone of-20 DEG C to 60 DEG C, a wet zone of 30% RH-90% RH and a magnetic field interference environment, and the adaptability and reliability of the inclinometer in an actual exploration scene are greatly improved.

The invention relates to the technical field of oil exploration logging data processing, and discloses a far exploration sound wave migration imaging data three-dimensional well trajectory correction method and related device.The method comprises the steps that horizontal well logging data are collected, coordinates of a well trajectory in space are obtained through calculation according to the horizontal well logging data, and the coordinates of the well trajectory are calculated according to the coordinates; the well track is drawn according to the coordinates of the well track in the space; generating migration imaging data in different directions according to the remote exploration acoustic logging data, and generating a migration imaging picture by using a color code according to the migration imaging data; the migration imaging picture is cut into a plurality of narrow strip pictures in the direction perpendicular to the well axis, all the narrow strip pictures are sequentially drawn into designed grids, migration imaging pictures generated by migration imaging data in different directions are sequentially drawn into a three-dimensional space, and horizontal well three-dimensional well trajectory correction of the migration imaging data is completed. According to the method, the accuracy of depicting the spatial relationship of geological reflectors such as stratum interfaces, faults and cracks near a horizontal well shaft by far-detection sound waves is improved.

The utility model relates to the technical field of oil exploration drilling equipment, in particular to oil exploration drilling equipment with a drill bit convenient to replace, which comprises a base, a fixing nail, a hydraulic rod, a connecting cylinder, a driving motor, a connecting rod, a fixing cylinder, a fixing seat and an excavating drill bit. Multiple sets of fixing nails are arranged at the bottom of the outer side of the base, a hydraulic rod is arranged on the inner side of the upper portion of the base, a connecting cylinder is arranged at the bottom of the hydraulic rod, a driving motor is arranged in the connecting cylinder, a connecting rod is arranged at the bottom of the connecting cylinder, a fixing cylinder is arranged at the bottom of the connecting rod, and a fixing base is arranged at the bottom of the fixing cylinder. Excavating drill bits are arranged at the bottom of the fixed seat; by adding the structure convenient to disassemble and assemble, the drill bit can be quickly disassembled for replacement when drill bits with different diameters need to be replaced or the drill bit is damaged, meanwhile, the drill bit with the replaceable excavating part is used, only parts at the excavating part are replaced when the drill bit is abraded, equipment needing to be carried is reduced, and the cost is reduced. And the practical value of the device is increased.

This disclosure relates to the field of petroleum exploration and development technology, and in particular to a method and system for determining bottom water intrusion characteristics. The method includes: determining the water permeability and the correlation coefficients between the matrix and fractures in a target block of a fractured sandstone gas reservoir; establishing and solving a mathematical model for cylindrical bottom water intrusion in a single well of the fractured sandstone gas reservoir based on the determined water permeability and the correlation coefficients between the matrix and fractures, obtaining a pressure function representing the difference between the original water pressure and the pressure at any point within the gas reservoir; using the obtained pressure function, determining the dimensionless bottom water intrusion volume; and determining the cylindrical bottom water intrusion characteristics of the dimensionless bottom water intrusion volume with respect to dimensionless time based on the determined dimensionless bottom water intrusion volume. By establishing a mathematical model of bottom water intrusion and calculating the cumulative water intrusion volume, the bottom water intrusion characteristics are determined, enabling an understanding of the entire dynamic process of bottom water intrusion in the reservoir.

This invention belongs to the field of petroleum exploration technology, specifically disclosing a formation pressure prediction method and system based on PSO-CNN-RF-ABKDE. The method includes: collecting logging data of deep abnormal pressure zones in the target well and adjacent wells, regional geological data, and measured pore pressure data from adjacent wells; preprocessing the acquired data; constructing a PSO-CNN-RF model; quantifying the uncertainty of the n-value prediction using the adaptive bandwidth kernel function density estimation ABKDE algorithm; outputting the n-value confidence interval by fitting the residual probability distribution; classifying the formation pressure risk level by combining the general pressure coefficient threshold for deep abnormal pressure; and substituting the n-value confidence interval into the PSO-CNN-RF model to obtain the predicted formation pressure result and mapping it to the specific formation pressure risk level. Compared with existing technologies, this invention achieves a direct mapping between prediction results and risk levels, quantifies uncertainty while clarifying control requirements, and provides a full-chain technical support of "prediction-quantification-control" for drilling safety in deep abnormal pressure zones.

1. Name of the product in this design: Demonstration Device (Petroleum Exploration Equipment "Xuanji" System). 2. Purpose of this design: This design is a device for demonstrating digital twin models. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom views of Design 1 and Design 2 are omitted. 6. Design 1 is designated as the basic design.

The application discloses a petroleum drilling fluid aftereffect homing method, device, equipment and medium, and relates to the technical field of petroleum exploration. The method comprises the following steps: obtaining a target drilling fluid sample with bubble oil flower characteristics during drilling; analyzing and testing the target drilling fluid sample by means of logging technology to obtain n-alkane and isomeric alkane data corresponding to the target drilling fluid sample; determining chromatographic total hydrocarbon parameters and chromatographic component parameters according to the n-alkane and isomeric alkane data corresponding to the target drilling fluid sample; comparing and analyzing the chromatographic total hydrocarbon parameters and the chromatographic component parameters with total hydrocarbon parameters and component parameters of cuttings at different depths in a layer with oil and gas shows during drilling operation to determine the depth corresponding to the target drilling fluid sample and to homing the drilling fluid aftereffect with the bubble oil flower characteristics. In conclusion, the application can reduce the affected factors and make the homing error of the petroleum drilling fluid smaller.

This invention belongs to the field of petroleum exploration and discloses a quantitative characterization method for structural fracture parameters based on the coupling of the minimum energy consumption and minimum action principle. To overcome the shortcomings of existing technologies in achieving quantitative prediction of structural fractures from qualitative description, this invention first calculates the energy consumption of fracture rupture through rock mechanics experiments; then, it couples the minimum energy consumption principle and the minimum action principle to establish a rock fracture criterion; based on this, it derives and establishes quantitative characterization models for fracture aperture, volumetric density, and linear density; subsequently, it constructs a heterogeneous mechanical parameter volumetric model and performs elastoplastic geostress field simulation; finally, it achieves batch prediction of structural fracture parameters through programming, and verifies the reliability of the prediction results using core, imaging logging, and production dynamic data. This invention, starting from the physical essence of energy distribution and path selection, provides a unified theoretical framework for rock fracture and significantly improves the prediction accuracy of fracture "sweet spots."

The invention provides a fluid identification method and device, terminal equipment and a machine readable storage medium, and belongs to the field of oil exploration, and the identification method comprises the steps: determining a research sample well logging curve, a research sample gas logging curve and well drilling detection parameters; establishing a shallow resistivity and deep resistivity cross plot based on a research sample logging curve, and identifying water from unknown fluid; establishing a derivative parameter cross plot by using the research sample gas logging curve; establishing a density porosity and neutron porosity semi-quantitative evaluation CO2 content chart and a density porosity and porosity difference semi-quantitative evaluation CO2 content chart by utilizing a research sample well logging curve and well drilling detection parameters; and identifying CO2, condensate gas and oil in the unknown fluid based on the derived parameter cross plot, the CO2 content chart of the density porosity and neutron porosity semi-quantitative evaluation and the CO2 content chart of the density porosity and porosity difference semi-quantitative evaluation. Through the method provided by the invention, the unknown fluid can be accurately identified, and the well logging interpretation evaluation precision is improved.

The invention discloses an oil gas hydrocarbon generation pressurization charging wave and range characterization method based on energy conservation, and relates to the technical field of oil exploration and development. In order to solve the problem that a traditional method focuses on macroscopic reservoir formation qualitative description and lacks a filling degree accurate quantification method, energy of different sources is superposed to calculate total hydrocarbon expulsion kinetic energy of hydrocarbon expulsion of hydrocarbon source rocks; the energy from different sources comprises under-compaction kinetic energy, hydrocarbon generation volume expansion kinetic energy and fluid elasticity energy; quantizing the energy attenuation of the oil gas in the migration process from the hydrocarbon source rock to the reservoir; a charge distance limit is determined based on the total hydrocarbon expulsion kinetic energy and the energy attenuation of the migration process.

The invention belongs to the field of oil exploration, and discloses a quantitative characterization method for tectonic fracture parameters based on minimum energy consumption-minimum action principle coupling. In order to overcome the defect of difficulty in realizing qualitative description to quantitative prediction of a tectonic fracture in the prior art, the method comprises the following steps: firstly, calculating fracture energy consumption through a rock mechanics experiment; coupling a minimum energy consumption principle and a minimum action quantity principle, and establishing a rock fracture criterion; on the basis, a quantitative characterization model of the fracture opening, the volume density and the linear density is deduced and established; then constructing a heterogeneous mechanical parameter body model and carrying out elastic-plastic crustal stress field simulation; and finally, batch prediction of tectonic fracture parameters is realized through programming, and reliability verification is carried out on a prediction result by using rock core, imaging logging and production dynamic data. According to the method, a unified theoretical framework is provided for rock fracture from the physical essence of energy distribution and path selection, and the prediction precision of the crack sweet spot area is remarkably improved.

The invention discloses a quantitative evaluation method for resistivity heterogeneity of logging fusion formation water, and relates to the technical field of oil exploration and development. The method comprises the following steps of: obtaining formation signal data acquired by various logging and calculating reference formation water resistivity; a machine learning model is constructed based on feature data extracted from conventional logging, the formation water resistivity is a target variable of the machine learning model, and the machine learning model is trained to obtain a formation water resistivity prediction model; collecting conventional logging data, extracting feature data in the conventional logging data, inputting the feature data into the formation water resistivity prediction model, and outputting a formation resistivity prediction value; the formation resistivity prediction values of multiple depths form a continuous prediction curve to serve as a quantitative evaluation result of formation water resistivity heterogeneity, and the problem of accurate evaluation in the absence of nuclear magnetic resonance logging data is solved.

The invention relates to the technical field of oil exploration geology research, in particular to a geological stratified data interpolation calculation method. The method comprises the steps that a target research area is determined, a plurality of reference layer position wells in the target research area are selected, the top depth and the bottom depth corresponding to each reference layer position well are obtained, and the top depths and the bottom depths of all the reference layer position wells are ranked from small to large; determining a plurality of target horizon wells in the target research area, and calculating the top depth and the bottom depth of each target horizon well according to the number of the reference horizon wells near each target horizon well in cooperation with the sequence of the top depths and the bottom depths of the reference horizon wells in combination with an equal proportion interpolation calculation method; and performing batch statistics on the top depth and the bottom depth of each target horizon well, and generating horizon data corresponding to each target horizon well in the target research area. According to the method provided by the invention, the problems that the existing interpolation calculation method must be based on the characteristic curve, and the calculation efficiency is low and the accuracy is poor when the deep layer data and the boundary well are supplemented and lost are effectively solved.

This application relates to a method for determining remaining shot pairs, a method for determining the vacancy and occupancy of geophysical equipment, electronic equipment, and a method for rolling operation of geophysical equipment, relating to the field of seismic data acquisition technology in petroleum exploration. The method for determining remaining shot pairs includes: determining shot point data for all shot points to be excited in the scheme, geophone point data for all geophones in the scheme, and shot-geophone relationship data based on work area data and acquisition construction scheme; determining the shot pair values ​​of geophones falling within a preset acquisition construction template range based on the above data; and determining the remaining shot pairs of geophones based on the shot pair values ​​of the geophones and the information of shot points already excited within the acquisition construction template range obtained during construction. The method further includes: when the remaining shot pair value of a geophone within the acquisition construction template is 0, moving the geophone within the template to the preset position of the geophone in the next round of the construction scheme, and calculating the remaining shot pairs of the geophone.

This invention relates to the field of petroleum exploration and development technology, and is a method and system for fluid property identification based on micro-fluorescence thin section technology. The method includes acquiring the micro-fluorescence thin section spectrum of a rock sample; obtaining the true fluorescence area under blue light and the true fluorescence area under ultraviolet light based on the micro-fluorescence thin section spectrum of the rock sample; substituting the true fluorescence area under blue light and the true fluorescence area under ultraviolet light into an extinction index model to obtain an extinction index; and comparing the extinction index with an extinction index evaluation standard to identify fluid properties. This invention establishes an extinction index for identifying reservoir fluid properties. Its extinction index model extracts the pair of sensitive parameters—fluorescence area under blue light and ultraviolet light—by utilizing the spectral variation characteristics between different crude oils and different proportions of water under micro-fluorescence thin section technology. This effectively solves the problem of reservoir fluid property identification, and the method can quantitatively identify reservoir fluid properties.

The invention relates to the field of petroleum exploration and development, and discloses a method, a device, equipment and a medium for predicting the minimum miscible pressure of a CO2-crude oil system based on a Fourier neural operator, which can be used for obtaining the standardized molar content percentage of a plurality of crude oil components in the CO2-crude oil system and the standardized temperature value of the reservoir temperature. And a trained Fourier neural operator FNO model is acquired. And inputting the standardized molar content percentage and the standardized oil reservoir temperature value of each crude oil component into an input layer, a first full-connection layer, a feature processing layer, a second full-connection layer and an output layer of an FNO model to carry out minimum miscible pressure prediction so as to obtain the minimum miscible pressure of the CO2-crude oil system. The FNO model can efficiently capture multi-parameter global dynamic association among crude oil components, oil reservoir temperature and minimum miscible pressure in a CO2-crude oil system in a frequency domain, and the calculation efficiency and prediction precision can be effectively improved.

The invention belongs to the technical field of oil exploration and development, and discloses a method for identifying volcanic rock weathering crust and interior periods based on multiple seismic attributes, which comprises the following steps: determining a logging chart division boundary; a seismic data volume corresponding to the logging data is read, a cross plot is drawn, and a seismic data volume correction formula is obtained through linear fitting; correcting the seismic data volume of the research area; dividing the corrected data volume through a logging plate division boundary to obtain a first probability volume P1; determining an impedance plate division boundary; performing inversion to obtain an inversion resistance body; dividing the inversion impedance body according to an impedance plate division boundary to obtain a second probability body P2; performing weighted calculation on the P1 and the P2 to obtain a volcanic rock interior period identification parameter body P3; and establishing a recognition plate by using the P3, and determining a division boundary of the recognition plate to obtain a volcanic rock interior period recognition probability body P4. According to the method, well-seismic data unification is realized, and the weathering crust and the inner curtain period can be effectively identified in combination with an impedance inversion data body prediction result.

The invention relates to the technical field of oil exploration, in particular to a method and device for measuring and analyzing the total porosity of deep coal rock. The method comprises the following steps: preparing a deep coal rock core sample of a target work area; measuring the deep coal rock core sample under different effective stresses to obtain the total porosity of the deep coal rock core sample; establishing a function equation of the total porosity and the effective stress based on the total porosity and the corresponding effective stress of the coal rock core sample measured under different effective stresses; and obtaining the total porosity of the deep coal rock of the target work area based on logging information of the target work area and the functional equation. The method mainly aims at a coal rock stratum, has higher precision compared with a previous method, and can provide necessary parameters for deep coal rock gas exploration dessert evaluation, reserve submission and the like.

The invention belongs to the technical field of oil exploration, particularly relates to a preparation method of a rock sample in a visual fracturing experiment, and aims to solve the problems that the rock sample prepared by the existing method is easy to break and poor in sealing performance. The method comprises the following steps: S1, cutting a glass sample; s2, manufacturing a silica gel mold; s3, cutting and manufacturing rock plates; s4, preparing epoxy resin glue; s5, making a rock sample; the method comprises the following steps: (1) pouring part of epoxy resin glue prepared in the step (S4) into a silica gel mold in the step (S2); (2) the rock plate in the step (S3) is put in; 3) pouring the residual epoxy resin glue into a silica gel mold, and curing; and 4) demoulding the cured epoxy resin glue and the rock sample, and grinding and polishing the surface to ensure the shooting effect of the experiment. According to the invention, while the mechanical and physical properties of the real rock are ensured, the problems that the rock sample manufactured by the existing method is easy to break and poor in sealing performance are solved, and the shooting effect of the DIC can be ensured.

The embodiment of the invention provides a construction method, device and equipment of a logging interpretation agent, a medium and a product, and relates to the technical field of oil exploration and development. According to the method, a task planning and execution cooperation mechanism is introduced, a logging interpretation process originally completed step by step depending on professionals is converted into an automatic processing process, a first model understands user requirements and generates a systematic execution plan, and a second model automatically calls corresponding function modules to complete various interpretation tasks according to the plan. Through a unified interface protocol and standardized packaging, integrated deployment of various interpretation tools and models is realized, and links such as data processing, parameter calculation and result analysis can be automatically joined. According to the construction mode, the manual intervention link is reduced, and the full-process automation from data input to report generation is realized, so that the logging interpretation efficiency is improved.

The application relates to the technical field of oil exploration, in particular to an oil well productivity calculation model establishment method, device and equipment, a computer readable storage medium and a productivity determination method. The oil well productivity calculation model establishment method comprises the following steps: obtaining oil well data; generating an elliptical oil well area on a first auxiliary plane according to the oil well data; generating an elliptical oil supply area on the first auxiliary plane according to the oil well data; determining the focal point coordinates of the elliptical oil well area and the elliptical oil supply area; transforming the elliptical oil well area and the elliptical oil supply area into a circular oil well area and a circular oil supply area; determining the radius of the circular oil well area; determining the radius of the circular oil supply area; obtaining formation oil data; and establishing a productivity calculation model according to the formation oil data, the radius of the circular oil well area and the radius of the circular oil supply area. Through the above method, the oil well productivity calculation model can be established, so that the productivity of the oil well can be determined more accurately.

The invention provides a horizontal well coiled tubing extending tool and method, and belongs to the technical field of oil exploration and development equipment. The tool comprises at least two telescopic stepping mechanisms which are connected in series, and each mechanism is composed of a shell, a throttling sleeve, a piston assembly, a guide supporting mechanism and a reset mechanism. Liquid generates pressure difference through the throttling sleeve to drive the piston assembly to move axially and drive the supporting cylindrical sliding block to stretch out in the radial direction to support the well wall. When the pressure difference disappears, the reset spring pushes the shell to reset, the supporting cylindrical sliding block retracts, and stepping type advancing is achieved. The adjacent mechanisms are communicated through a central flow channel and can continuously and circularly extend. The tool does not need an electric control system, is simple and reliable in structure, can adapt to different well diameters, is high in energy utilization efficiency, and can effectively reduce the friction resistance and improve the feeding efficiency and the operation depth of the coiled tubing in a horizontal well.

This application provides a method, apparatus, equipment, and medium for well logging curve standardization, relating to the field of petroleum exploration and development technology. The method includes: determining a set of marker layers for a target well and checkpoints corresponding to each marker layer in the set, with each marker layer having at least one checkpoint; obtaining a set of well logging curves for the target well; for each marker layer, based on a subset of well logging curves for that marker layer, determining the deviation index value of each checkpoint on various types of well logging curves within that subset; for each type of well logging curve, based on the deviation index value of the checkpoint on that type of well logging curve, determining the target comprehensive deviation index value corresponding to that type of well logging curve; and standardizing the well logging curves of the target well according to the target comprehensive deviation index values ​​corresponding to various types of well logging curves. This application effectively solves the problems of low accuracy and poor reliability in existing well logging curve standardization based on a single marker layer.

1. The name of the design product: oil exploration measuring instrument. 2. The use of the design product: the design product is an electronic product. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.