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51 results about "Platform" patented technology

In geology, a platform is a continental area covered by relatively flat or gently tilted, mainly sedimentary strata, which overlie a basement of consolidated igneous or metamorphic rocks of an earlier deformation. Platforms, shields and the basement rocks together constitute cratons. Platform sediments can be classified into the following groups: a "protoplatform" of metamorphosed sediments at the bottom, a "quasiplatform" of slightly deformed sediments, a "cataplatform", and a "orthoplatform" at the top. The Mesoproterozoic Jotnian sediments of the Baltic area are examples of a "quasiplatform". The post-Ordovician rocks of the South American Platform are examples of an orthoplatform.

Layered rock mass seismic dynamic response multi-scale monitoring system and method

The invention relates to the technical field of rock mass earthquake dynamic response, and discloses a layered rock mass earthquake dynamic response multi-scale monitoring system and method, and the system comprises a rock mass three-dimensional geological module, a simulation setting module and an earthquake simulation module. The method comprises the following steps: establishing a layered rock mass three-dimensional geologic model; the method comprises the following steps: identifying a dangerous rock mass structural surface, monitoring slope displacement, and installing sound emission monitoring equipment at a key position to form a three-dimensional monitoring network; a layered rock mass and a broken area in the layered rock mass three-dimensional geological model are divided into discrete element areas, and a continuous medium area is divided into finite difference areas; coupling the discrete element region and the finite difference region; inputting the seismic wave as a dynamic boundary condition into the finite difference region, transmitting a response to the discrete element region through a coupling interface, and simulating a rock stratum and rock mass dynamic fracture process; and the crack propagation particle size and the original stress propagation are transmitted to the cloud platform. The geometric morphology and the internal structure of the rock mass can be accurately reflected.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD +2

High-dipping thin ore body mining method suitable for broken surrounding rock conditions

The invention discloses a steeply inclined thin ore body mining method suitable for broken surrounding rock conditions. The method comprises the following steps that S1, engineering geological condition investigation is conducted on an ore body and surrounding rock of the ore body, and stope structure parameters are determined; s2, the ore body is divided into chambers and pillars in the trend according to the length of a stope, and continuous stoping is conducted in two steps; s3, a stope preparation cutting project is constructed in the stope; s4, arranging a slope ramp at the middle position of the ore body close to the ore body, constructing a connection roadway to the other side of the ore body from the slope ramp to the ore body, then constructing stoping access roads from the side, close to the side with good surrounding rock stability, of the vertical connection roadway to the two sides, and performing stoping filling step by step; s5, filling is carried out after the first layer is stoped, stoping of a second layer is carried out after filling is finished and design strength is reached, and circulation is carried out until stoping of the stope is finished; through the arrangement of the spiral slope ramp and the layered platforms, the distance between the slope ramp and the stope is reduced, the work amount of the connection roadway is greatly reduced, meanwhile, each layered platform is responsible for one layer, the gradient of the connection roadway is reduced, and ore transportation and equipment operation are facilitated; and meanwhile, the problems that when the steeply inclined thin ore body under the broken surrounding rock condition is exploited in an upward horizontal layered mode, the broken surrounding rock spans, even an ore body top plate cracks, and the safety of stoping operation of personnel under the cracked top plate is poor are solved, and the method has the advantages of being high in safety, efficiency and mechanization rate and the like.
Owner:CHINA MINMETALS CHANGSHA MINING RES INST

Geological semantic guidance-based rock identification method, equipment and medium

The invention discloses a rock identification method and equipment based on geological semantic guidance, and a medium, belongs to the technical field of geological rock detection and identification, and is used for solving the problems that blindness and redundancy exist in a feature fusion process, and the efficiency is high due to lack of effective modeling of geoscience features in existing rock target detection. And the identification requirements of complex geological images are difficult to adapt. The method comprises the following steps: performing semantic analysis on effective data in multi-source geological original data under related rock characteristics to generate a geological semantic map; performing feature fusion processing under related feature mapping between the geological semantic map and the feature pyramid to obtain a target fusion feature under the current rock image; performing collaborative recognition based on visual features on rock physical attributes in the current multi-source geological data, and outputting target detection features under the current rock image; outputting a geological rock classification result of the current rock image; and carrying out visualization processing on the geological rock classification result under the integrated platform.
Owner:山东浪潮智慧建筑科技有限公司

Granite residual soil slope section structure optimization method

The invention discloses a granite residual soil slope section structure optimization method which is applied to the technical field of slope prevention and control. Comprising the steps that S1, geological drilling is conducted on a slope to be excavated, hydrogeological conditions are investigated to obtain relevant data of the slope, and the relevant data comprise stratum lithology, a slope body structure, an underground water level and a rainfall condition; s2, measuring physical and mechanical properties of stratum lithology according to the obtained side slope geological drilling core sample; s3, according to the height of the side slope, the stratum lithology, the land use red line and the surrounding environment, design parameters of the side slope stages, the slope ratio of each stage of the side slope, the height of each stage of the side slope and the platform width of the side slope to be excavated under different working conditions are designed; s4, obtaining slope stability coefficients corresponding to different working conditions based on S2 and S3, and obtaining an optimal section structure design working condition; s5, performing protection and retaining design on the slope to be excavated according to the principles of technology feasibility, economy, reasonability and ecological environmental protection on the basis of the step S4, obtaining a slope stability coefficient, and obtaining a protected slope section structure; and S6, on the basis of the S5, in combination with hydrogeology and meteorology, drainage design of the slope to be excavated is carried out, and finally an optimized slope section structure is obtained. According to the method, the long-term stability of the slope can be improved, better environmental adaptability and ecological friendliness are provided, engineering protection measures are reduced, and the construction and maintenance cost is reduced.
Owner:CHINA FIRST HIGHWAY ENGINEERING CO LTD +2

Fracturing optimization method and system for preventing pressure channeling of deep shale reservoir and medium

The invention discloses a fracturing optimization method and system for preventing pressure channeling of a deep shale reservoir and a medium, and belongs to the technical field of shale oil and gas geological exploitation. Comprising the following steps: acquiring different-scale fracture characteristics and ground stress distribution rules of a deep shale reservoir; different-scale fracture mechanical parameters and seepage parameter characteristics of the rock sample are obtained; building a deep shale reservoir multi-physics coupling fracturing model by using a damage mechanics theory according to deep shale reservoir matrix characteristics; the method comprises the following steps: setting parameters according to solid mechanics, porous media and Darcy law based on a deep shale reservoir and different-scale fracture characteristics, and establishing a platform fracturing numerical model; on the basis of a platform fracturing numerical model, an optimal fracturing chart influenced by multi-scale fracture development is obtained through orthogonal experimental simulation, so that a fracturing parameter combination enabling the effective fracturing volume to be maximum and avoiding inter-well pressure channeling is determined; according to the fracturing optimization method for preventing pressure channeling of the deep shale reservoir, efficient development of deep shale oil and gas is effectively guaranteed.
Owner:SANYA MARINE OIL & GAS RESEARCH INSTITUTE NORTHEAST PETROLEUM UNIVERSITY +1

Layered rock mass numerical simulation method based on mixed progressive failure model

The invention relates to the technical field of stratified rock mass numerical simulation, and discloses a stratified rock mass numerical simulation method based on a hybrid progressive failure model, and the method comprises the steps: obtaining an engineering rock mass structural plane of a research area, and grading geological structural planes such as faults, rock veins and fractures of surrounding rock of an underground cavity based on structural plane features; through three-dimensional laser scanning, obtaining the spatial three-dimensional coordinates of each sampling point on the surface of the footrill, obtaining the point cloud of a measured object, and connecting adjacent discrete points; carrying out secondary sampling on the spliced point cloud data, carrying out plane fitting to obtain a structural plane occurrence, and constructing a footrill simulation model; analyzing the occurrence of the structural surface by the footrill simulation model to obtain a stratified rock mass value, and dividing the structural surface in the rock mass into a rigid structural surface and a weak structural surface according to the character, weathering degree, tightness degree and filler condition; and outputting the data to a cloud platform. According to the invention, manual intervention is reduced, and the safety, accuracy and efficiency of measurement are improved.
Owner:POWER CHINA KUNMING ENG CORP LTD +2

An equivalent conversion method for automatically converting a three-dimensional geological model into a finite element model

The present invention discloses an equivalent conversion method for automatically converting a 3D geological model into a finite element model, which relates to the technical field of engineering information models. The method includes: obtaining the mesh nodes of each geological body model in the 3D geological model in the CAD platform and the original connection relationships of the mesh nodes; establishing a set of formation interface points and corresponding set plane boundaries for each geological body model; establishing the full model boundary of the 3D geological model; determining the formation type; establishing new connection relationships that integrate the set of formation interface points, the top surface set, the bottom surface set, and the lens body set and the mesh nodes corresponding to the mesh node numbers within the set; and reconstructing and generating a model in the CAE software according to the numbers, spatial coordinates of the mesh nodes, and the new connection relationships of the mesh nodes. The present invention cross-verifies and corrects the mesh nodes obtained from the CAD platform, and then reconstructs and calculates the model in the CAE platform by re-establishing the connection method, realizing the automatic conversion of the model from the CAD platform to the CAE platform.
Owner:ANHUI TRANSPORT CONSULTING & DESIGN INST

Rock stratum permeability coefficient testing device and method

The invention belongs to the technical field of permeability coefficient testing, and particularly relates to a rock stratum permeability coefficient testing device and method. Comprising bedrock; a test hole is formed in the bed rock; the bedrock is provided with a pile casing on the periphery of the test hole, and the other end of the pile casing is located above the water level; a water pumping module, a water stopping module and a measuring module are mounted on the working platform; the water stopping module is used for blocking the test hole, and the water pumping module is used for completely pumping water in the blocked test hole; monitoring is carried out through the measuring module in the process that underground water seeps into the testing hole; the water seepage coefficient of the bedrock is measured by directly drilling holes in the bedrock position, so that the test result is more accurate, and the stratum penetration condition is truly reflected.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +1

Three-dimensional geological BIM modeling method and system, computer equipment and medium

The invention provides a three-dimensional geological BIM modeling method and system, computer equipment and a medium, and belongs to the technical field of geological information modeling and building information modeling.The method comprises the steps that firstly, plane coordinates, elevation and layering information of a drill hole are collected; then, a K-means clustering algorithm and a Thiessen polygon algorithm are used for conducting intelligent partitioning on the drilling data, and a geological partition map is generated; thirdly, independently quantizing a spatial correlation structure in each partition, determining a variable range, a base station value and a block gold value, and performing Kriging interpolation based on the variable range, the base station value and the block gold value to generate a partition interpolation point matrix; fusing boundaries of adjacent partitions by adopting a distance inverse proportion weight method to form an integral elevation curved surface; and finally, converting the curved surface into a three-dimensional entity and integrating the three-dimensional entity to a BIM platform to generate a three-dimensional geological BIM model. According to the method, objective automatic division and high-precision interpolation of geological partitions are realized, and the precision, the automation degree and the engineering application value of the geological BIM model are remarkably improved.
Owner:SHAANXI RAILWAY INST

In-situ vane shear test device in deep sea and method for analyzing strength of different shear surfaces of sediment

In-situ vane shear test device for deep sea and method for analyzing strengths of different shear planes of sediments, belonging to the technical field of submarine sediment strength testing. The device includes a bottom-mounted carrier platform, a connecting rod, an operation control cable, a data transmission cable, a pressure sensor, a torque sensor, an intelligent control motor, a speed reducer, a telescopic probe, a connection port and a vane probe. The device enables the coordinated and efficient operation of the pressure sensor and the torque sensor, achieving the ability to simultaneously measure the penetration resistance of the vane probe along the penetration depth and the torque at a specified depth with a single penetration. The device and its sediment strength analysis method achieve the efficient testing and accurate analysis of the undrained shear strengths of the horizontal and vertical shear planes of submarine sediments at different depths, especially solving the problems of discontinuous test data and overly rough strength analysis faced by existing vane shear test technologies, and having significant advantages in the field of in-situ strength testing and application of submarine sediments.
Owner:OCEAN UNIV OF CHINA

Hydraulic ring geological crack measuring device

The invention discloses a hydraulic ring geological crack measuring device, and relates to the related technical field of geological crack measuring devices.The hydraulic ring geological crack measuring device comprises a suspension adjusting mechanism arranged on one side of a measuring platform, and the suspension adjusting mechanism comprises a horizontal sensor fixedly arranged on the measuring platform; according to the device, the suspended adjusting mechanism is arranged, a binding belt with friction protruding points surrounds a tree around a geological crack, the measuring platform is adjusted through a traction rope, the measuring platform can be used for measuring the geological crack, and the measuring platform can be used for measuring the geological crack, so that the geological crack can be accurately measured, and the measuring precision is improved. The height of the measuring platform is controlled by adjusting the height of the measuring platform, and wildlife, rockfall, landslide, debris flow and collapse around geological cracks are avoided by adjusting the height, so that the measuring equipment is prevented from being damaged, and subsequent continuous measurement and recovery of the measuring equipment are facilitated.
Owner:SHANDONG INST OF GEOPHYSICAL & GEOCHEM EXPLORATION

Method for deep-sea drilling and coring using an armored cable type electromechanical drill

The present invention discloses a method for deep-sea coring using an armored cable-type electric mechanical drill tool, comprising the following steps: installing the drill tool; lowering a seabed base plate; lowering the drill tool to the surface of a seabed mud layer: using an armored cable as a sling, the drill tool is hoisted above a moon pool on an offshore platform; by controlling the angle and position of two ROV underwater cable-controlled robots, the drill tool enters a drilling channel on the seabed base plate; when the drill tool is lowered to the surface of the seabed mud layer, the lowering is stopped; drilling a hole in the seabed mud layer; lifting the drill tool and removing the hollow drill rod; drilling a hole in the seabed rock layer; drilling and sampling: after reaching the core sampling area, drilling and sampling the rock and soil in the core sampling area is initiated; lifting the drill tool and retrieving the core. In the coring method of the present invention, the cable replaces the drill rod, and the ROV underwater cable-controlled robot is used to provide assistance, which greatly saves the time of lifting and lowering the drill tool, thereby improving construction efficiency and reducing construction costs.
Owner:GUANGZHOU MARINE GEOLOGICAL SURVEY

Underground cave depot fracture surrounding rock seepage control and grouting water stop method

The invention provides an underground cave depot fissure surrounding rock seepage control and grouting water stop method, and belongs to the technical field of underground water sealing cave depots. The method comprises the steps that a two-dimensional fissure network underground water mathematical model of a reservoir area underground water seepage field is established; simulating and calculating the water inflow in the construction period and the operation period; a linkage relation among hydrogeological conditions, grouting seepage control indexes and water inflow calculation is constructed, and the proportion of pre-grouting to post-grouting and a grouting area are designed; a three-dimensional geological comprehensive analysis platform is utilized to analyze an unfavorable geologic body and a permeable structure in advance and take targeted prevention and control measures in advance; the arrangement of pre-grouting drill holes is determined, and pre-grouting is conducted; after the primary pre-grouting drilling is finished and the slurry is finally set, an inspection hole is drilled, and the water seepage amount in the inspection hole is observed; the arrangement of post-grouting drill holes is determined, and post-grouting is carried out; and the post-grouting effect is verified. The system has the technical effects of reasonable design, high systematicness, high reliability, convenience in operation, low cost, wide application range and the like.
Owner:CHINA GASOLINEEUM PIPELINE ENG CORP +2

Method and device for identifying hillocks and beaches in paleocarbonate rock platform

The invention provides a recognition method and device for a hillock beach zone in a paleocarbonate rock platform, and the method comprises the steps: building a thickness-trough number-cloud-ash ratio relation model according to the stratum thickness, trough number and cloud-ash ratio determined by first logging data in a target work area; based on a thickness-trough number-cloud-to-ash ratio relation model, determining a cloud-to-ash ratio corresponding to the seismic data according to the stratum thickness and the trough number determined by the seismic data in the target work area, and further generating a cloud-to-ash ratio plane distribution diagram of the target work area; determining a cloud-to-ash ratio change interface according to the cloud-to-ash ratio plane distribution diagram; according to the seismic data, determining seismic facies characteristics corresponding to the cloud-to-ash ratio change interface; and according to the seismic facies characteristics, identifying the paleocarbonate rock abutment inner dune beach zone. The method uses the seismic data to quickly identify the mound beach zone, improves the identification accuracy and efficiency, and is significantly faster than artificial seismic facies interpretation. The method has a remarkable effect on researching the distribution rule of the hillocks and beaches in the platform and searching large-scale reservoirs.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Method, device and equipment for determining ancient landform of abutment margin zone and storage medium

The invention discloses a method, device and equipment for determining the ancient landform of a border zone, and a storage medium. The method comprises the following steps: obtaining a top and bottom layer position of a to-be-analyzed period of a target border zone; based on the top and bottom layer positions of the to-be-analyzed period of the target station marginal zone, respectively determining a top and bottom interface of the to-be-analyzed period of the target station marginal zone and a slope angle of a specified position in the trend direction of the target station marginal zone; and analyzing seismic attributes between the top interface and the bottom interface, and determining an ancient landform background where the target abutment marginal zone is located based on the seismic attributes and the slope angle. According to the scheme, starting from the top and bottom layer reflecting the sedimentary evolution characteristics of the abutment margin, the evolution stage of the abutment margin is judged through the size of the slope angle, and the ancient landform background where the target abutment margin is located is comprehensively judged and determined in combination with the actual situation of the top and bottom interface of the period to be analyzed; therefore, the applicability problem of the traditional impression method and the residual thickness method on the abutment margin band is solved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A method for predicting hydrocarbon source rock of Yuer Tusi group in Tarim basin

This invention discloses a method for predicting the thickness of source rocks in the Yuertusu Formation of the Tarim Basin. The method involves: S1: Selecting typical wells to determine the lithology and physical properties of the source rocks and their surrounding rocks; S2: Establishing a geological model of source rocks with varying thickness; S3: Performing forward modeling to synthesize seismic profiles; S4: Constructing a quantitative relationship between forward modeling reflection amplitude and source rock thickness; S5: Extracting and normalizing the actual reflection amplitude; and S6: Calculating the source rock thickness. This invention, based on rock physics and combining well and seismic data, predicts the thickness of source rock layers based on the reflection amplitude at the bottom interface of the Yuertusu Formation, offering greater objectivity than conventional methods. This invention can provide thickness distribution information of the Yuertusu Formation source rocks for pre-salt oil and gas exploration in various target areas within the northern Tarim Platform, and also provides a methodological means to solve the problem of predicting thin source rocks in the Tarim Basin.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

Interlayer plugging property evaluation method and device for gentle slope terrace oil reservoir, equipment and medium

The invention relates to an interlayer plugging performance evaluation method and device for a gentle slope platform oil reservoir, equipment and a medium, in particular to the field of oil-gas field development, and the method comprises the steps that S1, high-frequency cycle division is conducted on a target oil field, and an isochronous stratigraphic framework is established; s2, main control factors of marine gentle slope carbonate rock platform reservoir deposition are determined; s3, determining an interlayer development mechanism and interlayer development influence factors; s4, interlayer porosity characteristics are analyzed, inter-well porosity is compared, and then interlayer depicting is carried out; and S5, performing interlayer plugging performance evaluation based on the characteristic parameters obtained by interlayer depiction. According to the interlayer plugging performance evaluation method provided by the invention, through a specific evaluation process, effective depiction of the marine gentle slope carbonate rock platform oil reservoir interlayer is realized, a basis is provided for accurate plugging performance evaluation of the interlayer, and finally, the plugging performance evaluation of the interlayer is effectively realized, so that a development strategy can be optimized, longitudinal water content breakthrough can be effectively delayed, and the development efficiency is improved. The oilfield development effect is improved.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Shale gas platform well test production prediction method and device based on gas production coefficient

The present application relates to the technical field of oil and gas field development, and discloses a method and device for predicting the test production of shale gas platform wells based on the gas production coefficient. The present application utilizes the characteristic of slow changes in the shale gas marine sedimentary plane and introduces the gas production coefficient to simplify the complex geological conditions into the gas production capacity of the unit volume of the formation, thereby reducing the amount of calculation engineering. At the same time, the fitting target parameter is converted from the single well test production that is subject to greater inter-well interference to the platform average test production, so the error is smaller and the gas production capacity of the formation can be more truly reflected.
Owner:CHINA NAT PETROLEUM CORP +1

Geological structure change demonstration device

The invention relates to the field of geological structures, and particularly discloses a geological structure change demonstration device which comprises a base, a telescopic air cylinder is fixedly installed at the middle end of the top of the base, a push plate is fixedly connected to the output end of the telescopic air cylinder, a demonstration table is fixedly connected to the top of the push plate, and supporting structures are fixedly connected to the four corners of the top of the base. The top of the supporting structure is connected with the bottom of the demonstration table, the left side and the right side of the top of the demonstration table are fixedly connected with a horizontal movement observation box and a vertical movement observation box respectively, the lower end in the horizontal movement observation box is fixedly connected with a first partition plate, and a horizontal driving mechanism is fixedly installed in the horizontal movement observation box; the lower end in the vertical movement observation box is fixedly connected with a second partition plate, and a vertical driving mechanism is fixedly installed in the vertical movement observation box. The top of the first partition plate is filled with a geological precipitation simulation layer, and at the moment, the geological precipitation simulation layer is extruded so as to demonstrate how geological structures such as a fold mountain system are formed.
Owner:INST OF GEOMECHANICS +1

Geological rock mechanical property testing equipment

The invention discloses geological rock mechanical property testing equipment which comprises a machine table, a pressure chamber, a hydraulic system and a loading device, the pressure chamber comprises an upper base and a lower base, one side of the lower base is connected with a pipe connector, and the pipe connector is connected with the hydraulic system through a pressure pipe; clamping assemblies are further connected to the two opposite sides of the lower base, each clamping assembly comprises a base plate, a plurality of through holes arranged in an array mode are formed in each base plate, fixing column matrixes are arranged on the two sides of the lower base respectively, and the through holes correspond to the fixing column matrixes; a sinking groove is formed in the base plate, and a left side clamping piece and a right side clamping piece are arranged in the sinking groove. According to the test method based on the nanoindentation theory, confining pressure is formed through oil pressure pressurization in the pressure chamber for an irregular rock sample, the underground stress state of the rock is simulated, a matched and combined clamping structure is designed for the problem that the irregular rock sample is not easy to clamp and fix, and the problem that confining pressure is not easy to apply by existing indentation test equipment is solved.
Owner:BEIJING INST OF TECH

Method and system for removing magnetic interference based on geological model forward

The application provides a magnetic interference removal method and system based on a geological model forward, comprising: collecting multi-source data; solving magnetic interference compensation coefficients specific to each aircraft platform; using the magnetic interference compensation coefficients, combining a traditional magnetic interference compensation algorithm, and calculating and obtaining a residual magnetic field; collecting geological information of a region, measuring different geological units of a detection region, collecting data information, obtaining physical parameter information through ground physical property parameter measurement experiments, drilling core data measurement experiments and consulting physical property ranges of the same type of rock; establishing a three-dimensional geometric model of a geological body, and giving each geological body physical parameter information; using a magnetic field forward algorithm to calculate a regional geological magnetic field; subtracting the regional geological magnetic field from the residual magnetic field to obtain a final magnetic field removed from geological interference. The technical scheme of the application solves the technical problem that a traditional filtering or trend surface analysis method cannot effectively separate a geological magnetic anomaly from a magnetic signal generated by a ferromagnetic target.
Owner:BEIJING AUTOMATION CONTROL EQUIP INST

Simulation device and method for interaction of underground mantle column, retention plate sheet and plate sheet hole

PendingCN121528096AEducational modelsPlate tectonicsHigh density
The invention provides a device and a method for simulating interaction of a mantle column, a retention plate sheet and a plate sheet hole, and belongs to the field of plate structure and geodynamics. According to a similarity criterion, the density relation and the viscosity relation of the upper / lower mantle, the mantle columns and the retention plate sheets are reasonably set through a specific simulation material system; a high-density POM (Polyoxymethylene) plastic ring is added into a retention plate sheet material, so that plate sheet holes in the retention plate sheet are prevented from deforming; the flow-in speed of the mantle column is adjusted through the lifting platform; the simulation device highly restores the kinematics and deformation process of interaction of the mantle column, the retention plate sheet and the plate sheet hole in the nature; and in combination with an experiment process observation system, key construction events generated in the experiment process can be observed. According to the simulation device and method provided by the invention, a physical simulation experiment of interaction of the underground mantle column, the retention plate and the plate hole can be conveniently carried out, and technical support is provided for researches on underground mantle column branches, retention plate deformation, in-plate hot spot action and the like.
Owner:SECOND INST OF OCEANOGRAPHY MNR

A fracturing optimization method, system and medium for preventing pressure channeling in deep shale reservoirs

The application discloses a kind of deep shale reservoirs anti-channeling fracturing optimization method, system and medium, belong to shale oil and gas geological exploitation technical field;Including the following steps: obtaining the different scale fracture characteristics and ground stress distribution law of deep shale reservoir;Different scale fracture mechanics parameters and percolation parameter characteristics of rock sample are obtained;By using damage mechanics theory to construct deep shale reservoir multi-physical field coupling fracturing model of matrix characteristics of deep shale reservoir;Based on deep shale reservoir and different scale fracture characteristics, according to solid mechanics, porous medium and Darcy's law, the parameter is set, and the platform pressure numerical model is established;Based on platform pressure numerical model, the optimal fracturing chart affected by multi-scale fracture development is obtained by orthogonal experiment simulation, to determine the maximum effective fracturing volume and avoid interwell channeling of fracturing parameter combination;The application proposes a kind of deep shale reservoir anti-channeling fracturing optimization method, effectively ensures the efficient development of deep shale oil and gas.
Owner:SANYA MARINE OIL & GAS RESEARCH INSTITUTE NORTHEAST PETROLEUM UNIVERSITY +1

Bedrock fault plane dating data outlier identification and intelligent completion method

PendingCN122262481ABedrockAlgorithm
This invention discloses a method for identifying and intelligently completing outlier values ​​in bedrock fault plane dating data, relating to the field of engineering geology. The method involves calling a digital geological model of bedrock from a geological dating platform, extracting fault plane dating records, dividing the fault space, and constructing a set of structural units Ω. Based on the spatial contact relationships between structural units, an adjacency matrix A(i,j) is generated, and an evolutionary order constraint matrix E(i,j) is established. The dating status is assessed and outlier candidate units are identified by calculating the spatial evolution consistency index Kyz and the structural compatibility index Kzs of the structural unit pairs. For the outlier candidate units, a layered fitting is performed based on the structural hierarchy distance to generate a completed dating value T. b The results are then backfilled into the original dating values ​​and a spatial consistency check is performed again. The applicability of the completed results is determined by comparison. This method uses fault geometry and tectonic evolution sequence as constraints to locate and correct dating anomalies.
Owner:CHINA EARTHQUAKE DISASTER PREVENTION CENT

An integrated device and method for extracting primary water-soluble ions from sedimentary rocks

The present invention discloses an integrated device and method for extracting primary water-soluble ions from sedimentary rocks, comprising a support plate, wherein the bottom of the support plate is fixedly connected to a cutting box, the bottom of the support plate is fixedly connected to a crushing box, the top of the support plate is fixedly connected to a first installation box, the top of the support plate is fixedly connected to a second installation box, the inner side of the first installation box is provided with an installation groove, the inner side of the first installation box is provided with a storage tank, the top of the second installation box is fixedly connected to a mounting seat, and the top of the mounting seat is threadedly connected to a sample tank. The present invention can cut, crush, grind, soak, stir and filter sedimentary rock samples through the cutting box, crushing box, storage tank and sample tank, and can realize the processing of fresh sedimentary rock samples at work sites such as the field / drilling platform, not only avoiding the loss and contamination of primary water-soluble ions contained in the sample during transportation from the work site to the laboratory.
Owner:GUANGZHOU INSTITUTE OF GEOCHEMISTRY CHINESE ACADEMY OF SCIENCES

Experimental test method and system for accurately detecting multiple parameters of geological sample

The invention discloses an experimental test method and system for accurately detecting multiple parameters of a geological sample, and the method comprises the steps: collecting basic parameters of the geological sample, importing the basic parameters into an intelligent geological component analysis and calculation platform, carrying out the data classification and feature extraction, and then calling a rock stratum permeability evolution prediction model and a multispectral mineral phase feature recognition model for prediction and recognition. Deviation is calibrated through an error traceability self-adaptive correction algorithm, and a result is generated through platform multi-parameter coupling analysis and is displayed in a structured mode; wherein the key steps are divided into multiple links to be executed in order, and refinement of data processing is achieved. According to the method and the system, through multi-model deep collaboration, error traceability dynamic correction and step modular splitting, single parameter detection isolation is broken, detection data relevance and accuracy are improved, complex geological conditions are adapted, the method and the system are suitable for the fields of mineral resource exploration, oil and gas reservoir evaluation and the like, and the method and the system have wide application prospects. And an efficient and reliable technical scheme is provided for geological sample multi-parameter detection.
Owner:SICHUAN INST OF GEOLOGICAL ENG INVESTIGATION +1

A method for constructing an isochronous stratigraphic framework in the platform-trough facies region based on underground and outcrop data

The present invention discloses a method for constructing an isochronous stratigraphic framework for platform-trough phases based on underground and outcrop data, including: based on drilling and field profile data, guided by the principle of sequence stratigraphy, through microstructural analysis, spectrum analysis, and macro-micro combination of technical means, clarifying rock types and development characteristics, determining rock phase sequence combinations, establishing a matching relationship between rocks and logging curves, and combining the measured radioactive curve data of field profiles to construct an isochronous stratigraphic framework across phases on the surface. The advantages of the present invention are: not only solving and making up for the problem of insufficient data, but also being able to construct an isochronous stratigraphic framework for carbonate rock strata with low seismic resolution and thin stratum thickness, providing data support for paleo-geomorphic restoration and lithofacies paleo-geographic restoration, thereby improving exploration knowledge and reducing exploration risks.
Owner:SOUTHWEST PETROLEUM UNIV

Optimization design method for edge expanding well of multi-layer-series multi-fault complex fault block

The invention discloses a multi-layer-series multi-fault complex fault block edge-expanded well optimization design method, which comprises the following steps: according to a regional stratum layering mode, carrying out whole-region stratification comparative analysis, obtaining a well position deployment target layer, according to a target layer deposition cycle, obtaining an oil layer group, a sandstone group and a single sand body layering standard in combination with a 214 comparison method, finely calibrating earthquake and geologic horizon, and carrying out the optimization design of a multi-layer-series multi-fault complex fault block edge-expanded well. An isochronous stratigraphic framework is established, complex fault block boundary faults and internal inter-well minor faults are subjected to fine recognition, and meanwhile the up-and-down current situation of a target reservoir structure is obtained; the target sand body development condition of an unknown area is obtained, and then complex fault block target reservoir sand body distribution characteristics are obtained; on the basis of the obtained complex fault block oil reservoir data information, the design scheme of the well position in the oil reservoir is optimized; a slave well platform is planned on the ground, that is, three to five wells are drilled on one platform. According to the method, the most effective deployment well position can be determined, and efficient development of the complex fault block is ensured; and the reservoir drilling success rate and the new well utilization rate are improved.
Owner:PETROCHINA CO LTD

Layer selection and well spacing method for improving drilling rate of interlayer type shale oil

The invention belongs to the technical field of oilfield development, and particularly relates to a layer selection and well spacing method for improving the drilling rate of interlayer type shale oil. The method comprises the following steps: establishing a regional fine isochronous stratigraphic contrast framework, establishing a reservoir sedimentary microfacies logging interpretation template, sketching a reservoir distribution plane graph under the control of each isochronous stratigraphic contrast framework, and establishing a sedimentary boundary identification template matched with regional earthquake and logging interpretation; the method comprises the following steps of: establishing a reservoir three-dimensional stratum-structure model of a single-layer level, establishing a three-dimensional distribution model of reservoirs with different deposition causes, optimizing a shale oil large platform well site position, and optimizing the direction and the length of a horizontal well according to the size of a sand body and a dominant distribution direction, so as to establish a reservoir three-dimensional stratum-structure model of the single-layer level and the reservoir three-dimensional stratum-structure model of the single-layer level; on the premise that the maximum reserve utilization degree is achieved, the drilling rate of the interlayer type shale oil horizontal well is increased, and a good field implementation effect is achieved.
Owner:CHINA NAT PETROLEUM CORP