CN111459955B - Automatic three-dimensional geological structure model updating method and system based on GIS platform - Google Patents
Automatic three-dimensional geological structure model updating method and system based on GIS platform Download PDFInfo
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Abstract
The application discloses a three-dimensional geological structure model automatic updating method and system based on a GIS platform, comprising the following steps: dividing a modeling area of the three-dimensional geological structure model into a plurality of sub-areas; acquiring a plurality of drilling data in each subarea, and determining the correlation degree and the correlation factor among the plurality of drilling data; acquiring updated three-dimensional geological structure model parameters, re-acquiring a plurality of drilling data in each subarea, and determining new correlation degree and correlation factors among the plurality of drilling data; and comparing the new correlation degree and the correlation factor in each sub-region with the correlation degree and the correlation factor before updating respectively, determining the sub-region needing parameter updating, and realizing the updating of the three-dimensional geological structure model. The application has the beneficial effects that: the detection part of the application adopts a real-time acquisition mode to carry out real-time rapid analysis and processing on modeling data, thereby realizing rapid and efficient automatic updating on the three-dimensional geological structure model.
Description
Technical Field
The application relates to the technical field of geological exploration, in particular to a three-dimensional geological structure model automatic updating method and system based on a GIS platform.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the development of society and national economy, the work of geological disaster investigation and evaluation, early warning, mineral resource reservation and the like are increasingly important. At present, the national resource departments of China have remarkable effects in geological investigation, geological prospecting and the like, but have a plurality of technical problems in the working process, in particular to the investigation of complex geologic bodies. In order to meet the requirement of complex geological exploration, a three-dimensional model is applied to provide powerful support for geospatial analysis, geological phenomenon interpretation and related work. The following is a brief analysis of the rapid construction and updating techniques of a three-dimensional model of a complex geologic body based on drilling detection.
GIS (earth information system) is based on geospatial data and combined with information technology, and performs related works such as collecting, sorting, classifying, analyzing, managing and storing geographic information under the support of related software; the GIS can store mass data, and perform complex logic operation and deep mining on the data, so that spatial information display, query and analysis, spatial decision support and the like are realized. In the construction management stage of the water conservancy and hydropower engineering, the GIS technology can be utilized to integrate and manage the external environment information of the building.
With the development of technology, the technology for modeling a geological structure by using a GIS (geographic information system) platform is rapidly developed. The three-dimensional geological modeling and visualization technology is one of core technologies in the field of geospatial information science, and is also a key and basic technology for three-dimensional geographic and geological information system construction.
The three-dimensional visual representation of the geological structure can provide a more real and visual description of the underground geological phenomenon and structure, and plays an important role in quantitative evaluation of underground water, petroleum and solid mineral resources. The spatial heterogeneity and connectivity of reservoirs play an important role in controlling subsurface fluid transport, which is critical to quantifying and predicting the formation and distribution of subsurface resources. The three-dimensional reconstruction of the anisotropic underground complex geological structure can be realized based on the GIS platform to provide technical support, and the three-dimensional reconstruction method has been well applied to various fields of geology such as reservoir simulation, hydrogeology modeling, porous medium reconstruction and the like.
In the prior art, by using data source modes such as drilling, profile, contour, and the like, the space information can be accurately determined, which is an important basis for simulating the three-dimensional space. When modeling a two-dimensional graph, modification only affects part; in the three-dimensional modeling, the local modification requires the reconstruction of the related model, and the model reconstruction work caused by modification in the three-dimensional modeling process greatly influences the efficiency and quality. Existing three-dimensional modeling software also has been layered endlessly, such as GOCAD,3DMine, etc. However, the three-dimensional modeling method in the prior art is fixed, and even if the model is updated, the model is manually updated through new data, so that automatic updating of the model data cannot be completed quickly and efficiently in real time.
Disclosure of Invention
In order to solve the problems, the application provides an automatic three-dimensional geological structure model updating method and system based on a GIS platform, which utilize an earth information system to perform real-time analysis by combining data information, a detection part adopts a real-time acquisition mode to perform real-time and rapid analysis processing on modeling data, and a local acquisition analysis processing mode is utilized to realize rapid and efficient automatic updating on the three-dimensional geological structure model.
In some embodiments, the following technical scheme is adopted:
a three-dimensional geological structure model automatic updating method based on a GIS platform comprises the following steps:
dividing a modeling area of the three-dimensional geological structure model into a plurality of sub-areas;
acquiring a plurality of drilling data in each subarea, and determining the correlation degree and the correlation factor among the plurality of drilling data;
acquiring updated three-dimensional geological structure model parameters, re-acquiring a plurality of drilling data in each subarea, and determining new correlation degree and correlation factors among the plurality of drilling data;
and comparing the new correlation degree and the correlation factor in each sub-region with the correlation degree and the correlation factor before updating respectively, determining the sub-region needing parameter updating, and realizing the updating of the three-dimensional geological structure model.
According to the automatic updating method for the three-dimensional geological structure model based on the GIS platform, the earth information system can be utilized, real-time analysis can be carried out by combining data information, the detection part adopts a real-time acquisition mode to carry out real-time and rapid analysis processing on modeling data, and therefore the automatic updating of the three-dimensional geological structure model can be achieved rapidly and efficiently.
In other embodiments, the following technical solutions are adopted:
a three-dimensional geological structure model automatic updating system based on a GIS platform comprises:
means for dividing a modeled region of the three-dimensional geologic structure model into a number of sub-regions;
means for acquiring a plurality of borehole data in each sub-region, determining a correlation and a correlation factor between the plurality of borehole data;
means for acquiring updated three-dimensional geologic structure model parameters, re-acquiring a plurality of borehole data in each sub-region, determining new correlations and correlation factors between the plurality of borehole data;
and the device is used for comparing the new correlation degree and the correlation factor in each sub-region with the correlation degree and the correlation factor before updating respectively, determining the sub-region needing parameter updating and realizing the updating of the three-dimensional geological structure model.
In other embodiments, the following technical solutions are adopted:
a terminal device comprising a processor and a computer-readable storage medium, the processor configured to implement instructions; the computer readable storage medium is for storing a plurality of instructions adapted to be loaded by a processor and to perform the above-described GIS platform-based three-dimensional geologic structure model auto-updating method.
In other embodiments, the following technical solutions are adopted:
a computer readable storage medium having stored therein a plurality of instructions adapted to be loaded by a processor of a terminal device and to perform the above-described GIS platform based method of automatically updating a three-dimensional geologic structure model.
Compared with the prior art, the application has the beneficial effects that:
1) And the earth information system is utilized to perform real-time analysis by combining data information, so that the three-dimensional address structure is stored and analyzed, the data is displayed in real time, the inquiry is fast and effective, and the data is provided for the three-dimensional geological structure research.
2) The detection part of the application adopts a real-time acquisition mode to carry out real-time rapid analysis and processing on modeling data, thereby realizing rapid and efficient automatic updating on the three-dimensional geological structure model.
3) The local acquisition, analysis and processing mode provided by the application can improve the updating efficiency.
Drawings
FIG. 1 is a flowchart of a method for automatically updating a three-dimensional geological structure model based on a GIS platform according to a first embodiment of the present application;
FIG. 2 is a flowchart of a method for modeling three-dimensional geologic structure model parameters according to an embodiment of the application;
fig. 3 is a flowchart of a method for automatically updating a model based on updated parameters of a three-dimensional geologic structure model according to a first embodiment of the application.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Example 1
In one or more embodiments, an automatic three-dimensional geological structure model updating method based on a GIS platform is disclosed, the three-dimensional geological structure model updating method based on the GIS platform can utilize an earth information system to perform real-time analysis in combination with data information, and a detection part adopts a real-time acquisition mode to perform real-time and rapid analysis processing on modeling data, so that the three-dimensional geological structure model can be automatically updated rapidly and efficiently. The automatic updating method of the three-dimensional geological structure model based on the GIS platform is specifically described below.
Fig. 1 describes a flow of an automatic updating method of a three-dimensional geological structure model based on a GIS platform, and specifically comprises the following steps in sequence:
firstly, three-dimensional geologic structure model parameters are acquired, the accuracy of the three-dimensional geologic structure model establishment is determined to a great extent by the acquisition mode and accuracy of the three-dimensional geologic structure model parameters, and errors can be reduced and the accuracy can be improved by utilizing multi-source data such as drilling data, profile data, geophysical prospecting data (such as earthquake, electric method, magnetic method and gravity). When the existing three-dimensional model is generated, the acquired data of the modeling area is integrally acquired and then modeled once, each update is a complete update process, and the data update speed is very slow.
Based on the above, when the drilling data is acquired, firstly, the modeling area is divided into a plurality of sub-areas according to the preset rule, and the specific rule can be selected, for example, the modeling area is divided into a plurality of rectangular sub-areas.
Then, referring to fig. 2, a set of holes is drilled in each sub-area, and the drilling data of the set is acquired to form a corresponding data set D. And each borehole is provided with a sampling point, and geological layer data on the borehole is acquired from top to bottom according to an interface, wherein the geological layer data comprises geological layer demarcation point data and geological layer type data.
Thus, there is a corresponding set of data sets D in each sub-zone, and the data sets D include borehole data (including geological formation demarcation point data and geological formation type data) corresponding to each of the plurality of boreholes in the set. The geologic structure of each sub-region may or may not vary greatly. On the basis, the application processes the drilling data corresponding to a plurality of drilling holes in the data group D respectively, obtains the correlation degree of the drilling data, and obtains the correlation factor based on the correlation degrees.
Specifically, the correlation of the borehole data is determined based on the deviation of the individual data from the standard values in the data set, and the correlation between the borehole data is determined based on the degree of deviation. The acquisition of the correlation factor is determined based on the degree of update threshold set to deviate from the entire modeling area among the plurality of correlations.
And in the initial stage of modeling, modeling is performed according to the acquired three-dimensional geologic structure model parameters by utilizing the three-dimensional geologic structure modeling model. The traditional method is to directly utilize three-dimensional geologic structure model parameters for modeling, the parameters are not classified by groups, the modeling process has large data volume processing and low efficiency.
After the primary modeling is completed, along with the continuous promotion of geological investigation work, accumulated drilling data are more and more, required precision is higher and more, and in order to further improve the quality and accuracy of three-dimensional model data, three-dimensional model updating is required, so that the three-dimensional model can be more accurately embodied, and the model needs to be updated according to the situation.
Referring to fig. 3, the modeling area is divided into a plurality of sub-areas according to the preset rule, and the drilling data of the group is still acquired to form a corresponding new data group E. And sampling points are still arranged on each drilling hole, and geological layer data on the drilling holes are collected from top to bottom according to the interface, wherein the geological layer data comprises geological layer demarcation point data and geological layer type data.
In each sub-zone there is a corresponding set of data E (having different data than set D) and the data set E includes borehole data (including geological formation demarcation point data and geological formation type data) corresponding to each of the plurality of boreholes in the set. For each sub-region. And processing the drilling data corresponding to the multiple drilling holes in the data group E, obtaining the correlation degree of the drilling data, and obtaining the correlation factor based on the multiple correlation degrees.
At this time, the new correlation degree and the correlation factor can be compared with the previous correlation degree and the correlation factor, and the sub-region model to be updated is most determined according to the comparison result, so that the automatic update of the three-dimensional geological structure model is finally realized.
Specifically, comparing the new correlation corresponding to the same drilling hole with the previous correlation, and when the deviation between the new correlation and the previous correlation is larger than a preset threshold value, considering that the data change is larger and updating is needed; according to the new correlation (the correlation is determined according to the standard value deviation of each data offset in the group of data sets, and the correlation between the drilling data is determined according to the deviation degree), whether the new correlation meets the correlation range is determined, if the new correlation exceeds the range, the data is considered to have larger change, and updating is needed. At this time, according to the geological structure change condition of judging this subregion, can carry on the updating of the geological model of independent subregion, can raise the efficiency like this.
From the outside, besides the update in the sub-area, the whole area needs to be analyzed, and whether the partial or whole update of the whole modeling area needs to be performed is determined according to the analysis condition. Specifically, for each sub-region, a new correlation factor is correspondingly acquired, so that the new correlation factor and the correlation factor of the corresponding sub-region before can be compared, whether the deviation between the new correlation factor and the correlation factor of the corresponding sub-region is larger than a preset threshold value is determined, and if the deviation between only two sub-regions and below is larger than the preset threshold value, only the geological model of the corresponding sub-region is updated; if the deviation of more than two subareas and less than or equal to five subareas is larger than a preset threshold value, connecting the boundaries of the subareas to form an updating area (the area comprises other subareas accommodated in the range), and correspondingly updating the geological model of the updating area; if the deviation of the sub-areas larger than five is larger than a preset threshold value, the whole modeling area is completely updated.
And according to the updated three-dimensional geologic structure model, adjusting a three-dimensional geologic structure modeling model, and carrying out matching correction on parameters of the three-dimensional geologic structure model by utilizing exogenous data. And finally, based on a GIS platform, carrying out data fusion on the modeling result to obtain a fused modeling model.
Example two
In one or more embodiments, an automatic updating system for a three-dimensional geological structure model based on a GIS platform is disclosed, comprising:
means for dividing a modeled region of the three-dimensional geologic structure model into a number of sub-regions;
means for acquiring a plurality of borehole data in each sub-region, determining a correlation and a correlation factor between the plurality of borehole data;
means for acquiring updated three-dimensional geologic structure model parameters, re-acquiring a plurality of borehole data in each sub-region, determining new correlations and correlation factors between the plurality of borehole data;
and the device is used for comparing the new correlation degree and the correlation factor in each sub-region with the correlation degree and the correlation factor before updating respectively, determining the sub-region needing parameter updating and realizing the updating of the three-dimensional geological structure model.
Example III
In one or more embodiments, a terminal device is disclosed, including a server, where the server includes a memory, a processor, and a computer program stored on the memory and executable on the processor, and when the processor executes the program, the processor implements the method for automatically updating a three-dimensional geological structure model based on a GIS platform in embodiment one. For brevity, the description is omitted here.
It should be understood that in this embodiment, the processor may be a central processing unit CPU, and the processor may also be other general purpose processors, digital signal processors DSP, application specific integrated circuits ASIC, off-the-shelf programmable gate array FPGA or other programmable logic device, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may include read only memory and random access memory and provide instructions and data to the processor, and a portion of the memory may also include non-volatile random access memory. For example, the memory may also store information of the device type.
In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or by instructions in the form of software.
The automatic updating method of the three-dimensional geological structure model based on the GIS platform in the first embodiment can be directly embodied as the completion of the execution of a hardware processor or the completion of the execution by the combination of hardware and software modules in the processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method. To avoid repetition, a detailed description is not provided herein.
While the foregoing description of the embodiments of the present application has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the application, but rather, it is intended to cover all modifications or variations within the scope of the application as defined by the claims of the present application.
Claims (8)
1. The automatic updating method of the three-dimensional geological structure model based on the GIS platform is characterized by comprising the following steps of:
dividing a modeling area of the three-dimensional geological structure model into a plurality of sub-areas;
acquiring a plurality of drilling data in each subarea, and determining the correlation degree and the correlation factor among the plurality of drilling data;
acquiring updated three-dimensional geological structure model parameters, re-acquiring a plurality of drilling data in each subarea, and determining new correlation degree and correlation factors among the plurality of drilling data;
comparing the new correlation degree and the correlation factor in each sub-region with the correlation degree and the correlation factor before updating respectively, determining the sub-region needing parameter updating, and realizing the updating of the three-dimensional geological structure model;
the correlation degree of the drilling data is determined according to the deviation of each data of the drilling data from the standard value in the data set; the acquisition of the correlation factor is determined based on the degree of update threshold set by the deviation of the whole modeling area among a plurality of correlations;
comparing the new correlation factor in each sub-area with the correlation factor before updating to determine whether the deviation between the new correlation factor and the correlation factor is larger than a preset threshold value:
if the deviation of only A subareas and below is larger than a preset threshold value, only updating the geological model of the corresponding subarea;
if the deviation of the subareas which are larger than A and smaller than or equal to B is larger than a preset threshold value, connecting the boundaries of the subareas to form an updating area, and updating a geological model of the updating area;
if the deviation of the sub-areas larger than B is larger than a preset threshold value, the whole modeling area is updated completely;
wherein A, B is a set integer value.
2. The method for automatically updating a three-dimensional geologic structure model based on a GIS platform as set forth in claim 1, further comprising:
according to the updated three-dimensional geological structure model, utilizing exogenous data to carry out matching correction on parameters of the three-dimensional geological structure model;
and based on the GIS platform, carrying out data fusion on the modeling result to obtain a fused modeling model.
3. The automatic updating method of three-dimensional geologic structure model based on GIS platform as claimed in claim 1, wherein the parameters of three-dimensional geologic structure model are obtained, and modeling is performed according to the obtained parameters of three-dimensional geologic structure model, specifically:
drilling a group of holes in the ith sub-area, acquiring the drilling data of the group, and forming a corresponding data group D i ；
For data set D i And processing the drilling data corresponding to the plurality of the inner drilling holes respectively, obtaining the correlation degree of the drilling data, and obtaining a correlation factor based on the plurality of the correlation degrees.
4. The method for automatically updating a three-dimensional geologic structure model based on a GIS platform according to claim 1, wherein the new correlation degree in each sub-region is compared with the correlation degree before updating, and when the deviation between the new correlation degree and the correlation degree is greater than a preset threshold value, the sub-region modeling model is updated.
5. The method for automatically updating the three-dimensional geological structure model based on the GIS platform according to claim 1, wherein geological layer data on the drill hole is collected from top to bottom according to the interface, and the geological layer data comprises geological layer demarcation point data and geological layer type data.
6. The utility model provides a three-dimensional geological structure model automatic update system based on GIS platform which characterized in that includes:
means for dividing a modeled region of the three-dimensional geologic structure model into a number of sub-regions;
means for acquiring a plurality of borehole data in each sub-region, determining a correlation and a correlation factor between the plurality of borehole data;
means for acquiring updated three-dimensional geologic structure model parameters, re-acquiring a plurality of borehole data in each sub-region, determining new correlations and correlation factors between the plurality of borehole data;
the device is used for comparing the new correlation degree and the correlation factor in each sub-region with the correlation degree and the correlation factor before updating respectively, determining the sub-region needing parameter updating, and realizing the updating of the three-dimensional geological structure model;
comparing the new correlation factor in each sub-area with the correlation factor before updating to determine whether the deviation between the new correlation factor and the correlation factor is larger than a preset threshold value:
if the deviation of only A subareas and below is larger than a preset threshold value, only updating the geological model of the corresponding subarea;
if the deviation of the subareas which are larger than A and smaller than or equal to B is larger than a preset threshold value, connecting the boundaries of the subareas to form an updating area, and updating a geological model of the updating area;
if the deviation of the sub-areas larger than B is larger than a preset threshold value, the whole modeling area is updated completely;
wherein A, B is a set integer value.
7. A terminal device comprising a processor and a computer-readable storage medium, the processor configured to implement instructions; a computer readable storage medium for storing a plurality of instructions adapted to be loaded by a processor and to perform the GIS platform based three-dimensional geologic structure model auto-updating method of any of claims 1-5.
8. A computer readable storage medium having stored therein a plurality of instructions adapted to be loaded by a processor of a terminal device and to perform the GIS platform based three-dimensional geologic structure model auto-updating method of any of claims 1-5.
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| CN113593025B (en) * | 2021-07-30 | 2022-05-17 | 中南大学 | Geologic body model updating method, device, equipment and storage medium |
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| CN117759245B (en) * | 2024-01-25 | 2024-07-23 | 河南建筑材料研究设计院有限责任公司 | Surface mine exploitation system and method using three-dimensional intelligent design |
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