Method and device for analyzing feasibility of geological storage engineering of carbon dioxide

Abstract

The invention provides a carbon dioxide geological sequestration project feasibility analysis method and device. The method comprises the steps that stratum rock mechanical parameters, reservoir geological parameters, cover stratum geological parameters, geological stability data and carbon dioxide injection parameters of a carbon dioxide geological sequestration area are obtained; carrying out sealing feasibility analysis based on the reservoir geological parameters, the cover layer geological parameters and the geological stability data to obtain a sealing feasibility analysis result; performing stratum injectability analysis based on the stratum rock mechanical parameters and the carbon dioxide injection parameters to obtain a stratum injectability analysis result; performing earth surface deformation quantity prediction based on the stratum rock mechanical parameters and the carbon dioxide injection parameters to obtain an earth surface deformation quantity prediction result; and performing carbon dioxide geological sequestration engineering feasibility analysis based on sequestration feasibility analysis results, stratum injectability analysis results and surface deformation quantity prediction results. According to the scheme, the feasibility of the carbon dioxide geological sequestration project can be accurately analyzed and evaluated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of carbon dioxide geological storage, and in particular to a carbon dioxide geological storage project feasibility analysis method, device, equipment and storage medium. BACKGROUND

[0002] Under the background of global response to climate change and urgent need to reduce carbon emissions, carbon dioxide geological storage as a key carbon fixation technology has attracted widespread attention. In the related art, there are defects in the aspects of geological condition evaluation, project implementation feasibility and environmental impact prediction of carbon dioxide geological storage project, which are difficult to support the feasibility analysis of carbon dioxide geological storage project. SUMMARY

[0003] The present application aims to at least solve one of the technical problems in the related art to some extent.

[0004] In a first aspect, the present application provides a carbon dioxide geological storage project feasibility analysis method, which comprises: obtaining stratum rock mechanics parameters, reservoir geological parameters, caprock geological parameters, geological stability data and carbon dioxide injection parameters of a carbon dioxide geological storage area; performing storage feasibility analysis based on the reservoir geological parameters, the caprock geological parameters and the geological stability data to obtain a storage feasibility analysis result; performing stratum injectability analysis based on the stratum rock mechanics parameters and the carbon dioxide injection parameters to obtain a stratum injectability analysis result; performing surface deformation amount prediction based on the stratum rock mechanics parameters and the carbon dioxide injection parameters to obtain a surface deformation amount prediction result; and performing carbon dioxide geological storage project feasibility analysis based on the storage feasibility analysis result, the stratum injectability analysis result and the surface deformation amount prediction result.

[0005] In an implementation manner, the storage feasibility analysis based on the reservoir geological parameters, the caprock geological parameters and the geological stability data to obtain a storage feasibility analysis result comprises: performing reservoir sealing analysis based on the reservoir geological parameters to obtain a reservoir sealing analysis result; performing reservoir capacity analysis based on the reservoir geological parameters and the caprock geological parameters to obtain a reservoir capacity analysis result; performing fracture development prediction based on the geological stability data to obtain a fracture development prediction result; and obtaining the storage feasibility analysis result based on the reservoir sealing analysis result, the reservoir capacity analysis result and the fracture development prediction result.

[0006] In an implementation manner, the formation injectability analysis based on the formation rock mechanics parameters and the carbon dioxide injection parameters is performed to obtain a formation injectability analysis result, including: stress change simulation is performed based on the formation rock mechanics parameters and the carbon dioxide injection parameters to obtain a stress analysis result; and the formation injectability analysis result is obtained based on the stress analysis result.

[0007] In an implementation manner, the surface deformation variable prediction based on the formation rock mechanics parameters and the carbon dioxide injection parameters is performed to obtain a surface deformation variable prediction result, including: a geomechanics model is established based on the formation rock mechanics parameters; and a surface deformation variable after carbon dioxide injection is simulated based on the geomechanics model and the carbon dioxide injection parameters, as the surface deformation variable prediction result.

[0008] In a second aspect, the application provides a device for analyzing the feasibility of a carbon dioxide geological storage project, including: an acquisition module, configured to acquire formation rock mechanics parameters, reservoir geology parameters, cap rock geology parameters, geologic stability data and carbon dioxide injection parameters of a carbon dioxide geological storage area; a first processing module, configured to perform storage feasibility analysis based on the reservoir geology parameters, the cap rock geology parameters and the geologic stability data to obtain a storage feasibility analysis result; a second processing module, configured to perform formation injectability analysis based on the formation rock mechanics parameters and the carbon dioxide injection parameters to obtain a formation injectability analysis result; a third processing module, configured to perform surface deformation variable prediction based on the formation rock mechanics parameters and the carbon dioxide injection parameters to obtain a surface deformation variable prediction result; and a fourth processing module, configured to perform carbon dioxide geological storage project feasibility analysis based on the storage feasibility analysis result, the formation injectability analysis result and the surface deformation variable prediction result.

[0009] In an implementation manner, the first processing module can be configured to: perform reservoir sealing analysis based on the reservoir geology parameters to obtain a reservoir sealing analysis result; perform reservoir capacity analysis based on the reservoir geology parameters and the cap rock geology parameters to obtain a reservoir capacity analysis result; perform fracture development prediction based on the geologic stability data to obtain a fracture development prediction result; and obtain the storage feasibility analysis result based on the reservoir sealing analysis result, the reservoir capacity analysis result and the fracture development prediction result.

[0010] In an implementation manner, the second processing module can be configured to: perform stress change simulation based on the formation rock mechanics parameters and the carbon dioxide injection parameters to obtain a stress analysis result; and obtain the formation injectability analysis result based on the stress analysis result.

[0011] In an implementation manner, the third processing module can be configured to: establish a geomechanics model based on the formation rock mechanics parameters; and simulate a ground surface deformation variable after carbon dioxide injection based on the geomechanics model and the carbon dioxide injection parameters, as the ground surface deformation variable prediction result.

[0012] In a third aspect, the present application provides an electronic device, comprising: at least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to perform the method for analyzing the feasibility of the carbon dioxide geological storage project according to the first aspect.

[0013] In a fourth aspect, the present application provides a computer-readable storage medium for storing instructions, when the instructions are executed, the method according to the first aspect is implemented.

[0014] In a fifth aspect, the present application provides a computer program product comprising a computer program, when the computer program is executed by a processor, the steps of the method for analyzing the feasibility of the carbon dioxide geological storage project according to the first aspect are implemented.

[0015] The method, device, equipment and storage medium for analyzing the feasibility of the carbon dioxide geological storage project provided by the present application can perform various analyses based on the formation rock mechanics parameters, reservoir geology parameters, cap rock geology parameters, geologic stability data and carbon dioxide injection parameters of the carbon dioxide geological storage area, obtain the storage feasibility analysis result, the formation injectivity analysis result and the ground surface deformation variable prediction result, and analyze the feasibility of the carbon dioxide geological storage project based on the storage feasibility analysis result, the formation injectivity analysis result and the ground surface deformation variable prediction result. The feasibility of the carbon dioxide geological storage project can be accurately analyzed and evaluated.

[0016] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the accompanying drawings.

[0018] Figure 1 is a flowchart of a method for analyzing the feasibility of a carbon dioxide geological storage project provided by an embodiment of the present application;

[0019] Figure 2 is a structural schematic diagram of a device for analyzing the feasibility of a carbon dioxide geological storage project provided by an embodiment of the present application;

[0020] Figure 3 FIG. 1 is a structural schematic diagram of an electronic device provided by an embodiment of the present application. DETAILED DESCRIPTION

[0021] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0022] A carbon dioxide geological storage project feasibility analysis method and device of an embodiment of the present application are described below with reference to the drawings.

[0023] Figure 1 FIG. 2 is a flowchart of a carbon dioxide geological storage project feasibility analysis method provided by an embodiment of the present application. As shown in Figure 1 the method can include but is not limited to the following steps:

[0024] S101: Obtain formation rock mechanics parameters, reservoir geological parameters, cap rock geological parameters, geological stability data and carbon dioxide injection parameters of a carbon dioxide geological storage area.

[0025] In the embodiments of the present application, the formation rock mechanics parameters include at least one of the following: compressive strength, shear strength, elastic modulus, Poisson's ratio, ground stress, rock cohesion, internal friction angle, rock elastic limit, rock plastic deformation parameter.

[0026] In the embodiments of the present application, the reservoir geological parameters include at least one of the following: porosity, permeability, reservoir thickness, reservoir distribution area, pore volume, formation temperature, formation pressure, reservoir rock mineral composition, formation water salinity, reservoir heterogeneity parameter.

[0027] In the embodiments of the present application, the cap rock geological parameters include at least one of the following: cap rock thickness, cap rock porosity, cap rock permeability, cap rock breakthrough pressure, cap rock type, cap rock continuity, cap rock clay mineral content, cap rock elastic modulus, cap rock Poisson's ratio.

[0028] In the embodiments of the present application, the geological stability data include at least one of the following: fault distribution position, fault activity, fault permeability, fault two disc lithology, formation dip angle, formation contact relationship, regional tectonic stability grade, historical seismic activity data, underground fluid migration channel distribution.

[0029] In the embodiments of the present application, the carbon dioxide injection parameters include at least one of the following: injection pressure, injection rate, total injection amount.

[0030] S102: Perform storage feasibility analysis based on the reservoir geology parameters, the cap rock geology parameters and the geologic stability data, and obtain a storage feasibility analysis result.

[0031] Illustratively, the storage capacity and the accommodation capacity of the stratum for carbon dioxide are evaluated based on the reservoir geology parameters, the effectiveness of the cap rock in sealing carbon dioxide is determined in combination with the cap rock geology parameters, and the risks of stratum deformation and fault activation after injection are analyzed according to the geologic stability data, so as to comprehensively determine whether the target area can safely and long-term store carbon dioxide, and then obtain the storage feasibility analysis result.

[0032] In an implementation manner, the storage feasibility analysis based on the reservoir geology parameters, the cap rock geology parameters and the geologic stability data, and the storage feasibility analysis result are obtained, including the following steps A1-A4:

[0033] A1: Perform reservoir sealing analysis based on the reservoir geology parameters, and obtain a reservoir sealing analysis result.

[0034] Illustratively, the sealing and plugging capacity of the reservoir for CO2 is analyzed based on the reservoir geology parameters, and it is determined whether CO2 is prone to unintended migration in the reservoir, so as to obtain the reservoir sealing analysis result.

[0035] A2: Perform storage capacity analysis based on the reservoir geology parameters and the cap rock geology parameters, and obtain a storage capacity analysis result.

[0036] Illustratively, the size of the space of the reservoir for accommodating CO2 and the sealing and supporting capacity of the cap rock for CO2 are evaluated based on the reservoir geology parameters and the cap rock geology parameters, and the storage capacity analysis result is obtained.

[0037] A3: Perform fracture development prediction based on the geologic stability data, and obtain a fracture development prediction result.

[0038] Illustratively, the generation and expansion of stratum fractures possibly caused in the process of CO2 injection and subsequently are predicted based on the geologic stability data, and the fracture development prediction result is obtained.

[0039] A4: Obtain the storage feasibility analysis result based on the reservoir sealing analysis result, the storage capacity analysis result and the fracture development prediction result.

[0040] Illustratively, if the reservoir sealing analysis result, the storage capacity analysis result and the fracture development prediction result all meet the preset requirements, it is determined that the storage feasibility meets the engineering requirements; otherwise, it is determined that the storage feasibility does not meet the engineering requirements.

[0041] S103: Perform stratum injectability analysis based on the stratum rock mechanics parameters and the carbon dioxide injection parameters, and obtain a stratum injectability analysis result.

[0042] Illustratively, based on the formation rock mechanics parameters and the carbon dioxide injection parameters, the stress and deformation response of the formation during the injection process is simulated and analyzed to evaluate the possibility of the occurrence of risks such as cap rock rupture, permeability damage, etc., to determine the capacity of the formation to safely accept CO2, and obtain the formation injectivity analysis result.

[0043] In an implementation manner, the formation injectivity analysis is performed based on the formation rock mechanics parameters and the carbon dioxide injection parameters to obtain the formation injectivity analysis result, including: performing stress change simulation based on the formation rock mechanics parameters and the carbon dioxide injection parameters to obtain a stress analysis result; and obtaining the formation injectivity analysis result based on the stress analysis result.

[0044] Illustratively, based on the formation rock mechanics parameters and the carbon dioxide injection amount, a numerical model is established, the stress field evolution caused by the change of the formation pore pressure after the CO2 injection is simulated through the numerical model to obtain a stress analysis result; and then, whether the formation has problems such as cap rock rupture, fault activation, etc. due to the stress change affecting the injection safety is judged according to the result, and the formation injectivity analysis result is further obtained.

[0045] S104: Perform surface deformation amount prediction based on the formation rock mechanics parameters and the carbon dioxide injection parameters to obtain a surface deformation amount prediction result.

[0046] Illustratively, based on the formation rock mechanics parameters and the carbon dioxide injection parameters, the deep rock deformation caused by the change of the formation pore pressure after the CO2 injection is simulated, and then the surface uplift amount or subsidence amount caused by the deep rock deformation is obtained to obtain the surface deformation amount prediction result.

[0047] In an implementation manner, the surface deformation amount prediction is performed based on the formation rock mechanics parameters and the carbon dioxide injection parameters to obtain the surface deformation amount prediction result, including: establishing a geomechanics model based on the formation rock mechanics parameters; and simulating the surface deformation amount after the carbon dioxide injection based on the geomechanics model and the carbon dioxide injection parameters to obtain the surface deformation amount prediction result.

[0048] Illustratively, a geomechanics model reflecting the mechanical properties and stress state of the formation is constructed based on the formation rock mechanics parameters; then, the geomechanics model and the carbon dioxide injection parameters are combined, the deep deformation of the formation caused by the change of the pore pressure after the carbon dioxide injection is calculated through numerical simulation, and the deformation is transmitted to the surface to obtain the surface uplift or subsidence amount, which is the surface deformation amount prediction result.

[0049] S105: Perform carbon dioxide geological storage project feasibility analysis based on the storage feasibility analysis result, the formation injectivity analysis result, and the surface deformation amount prediction result.

[0050] Exemplarily, the results of the sealing feasibility analysis, the results of the formation injectivity analysis and the results of the surface deformation prediction are integrated, and if all the results meet the engineering requirements, the credibility analysis determines that the carbon dioxide geological storage project is feasible.

[0051] By implementing the embodiments of the present application, various analyses can be performed based on the formation rock mechanics parameters, the reservoir geological parameters, the cap rock geological parameters, the geological stability data and the carbon dioxide injection parameters of the carbon dioxide geological storage area, the sealing feasibility analysis results, the formation injectivity analysis results and the surface deformation prediction results are obtained, and the carbon dioxide geological storage project feasibility analysis is performed based on the sealing feasibility analysis results, the formation injectivity analysis results and the surface deformation prediction results. The feasibility of the carbon dioxide geological storage project can be accurately analyzed and evaluated.

[0052] Please refer to Figure 2 , Figure 2 is a structural schematic diagram of a carbon dioxide geological storage project feasibility analysis device provided by the embodiments of the present application. As shown in Figure 2 , the device 200 comprises: an acquisition module 201 configured to acquire formation rock mechanics parameters, reservoir geological parameters, cap rock geological parameters, geological stability data and carbon dioxide injection parameters of a carbon dioxide geological storage area; a first processing module 202 configured to perform sealing feasibility analysis based on the reservoir geological parameters, the cap rock geological parameters and the geological stability data, and obtain sealing feasibility analysis results; a second processing module 203 configured to perform formation injectivity analysis based on the formation rock mechanics parameters and the carbon dioxide injection parameters, and obtain formation injectivity analysis results; a third processing module 204 configured to perform surface deformation prediction based on the formation rock mechanics parameters and the carbon dioxide injection parameters, and obtain surface deformation prediction results; and a fourth processing module 205 configured to perform carbon dioxide geological storage project feasibility analysis based on the sealing feasibility analysis results, the formation injectivity analysis results and the surface deformation prediction results.

[0053] In an implementation manner, the first processing module 202 can be configured to perform reservoir sealing analysis based on the reservoir geological parameters, and obtain reservoir sealing analysis results; perform reservoir capacity analysis based on the reservoir geological parameters and the cap rock geological parameters, and obtain reservoir capacity analysis results; perform fracture development prediction based on the geological stability data, and obtain fracture development prediction results; and obtain the sealing feasibility analysis results based on the reservoir sealing analysis results, the reservoir capacity analysis results and the fracture development prediction results.

[0054] In an implementation manner, the second processing module 203 can be configured to perform stress change simulation based on the formation rock mechanics parameters and the carbon dioxide injection parameters, and obtain stress analysis results; and obtain the formation injectivity analysis results based on the stress analysis results.

[0055] In an implementation manner, the third processing module 204 can be configured to: establish a geomechanics model based on the formation rock mechanics parameters; and simulate the surface deformation after the carbon dioxide injection based on the geomechanics model and the carbon dioxide injection parameters, as the surface deformation prediction result.

[0056] Through the device of the embodiment of the present application, various analyses can be performed based on the formation rock mechanics parameters, the reservoir geology parameters, the cap rock geology parameters, the geologic stability data and the carbon dioxide injection parameters of the carbon dioxide geological storage area, to obtain the storage feasibility analysis result, the formation injectivity analysis result and the surface deformation prediction result, so as to perform the carbon dioxide geological storage project feasibility analysis based on the storage feasibility analysis result, the formation injectivity analysis result and the surface deformation prediction result. The feasibility of the carbon dioxide geological storage project can be accurately analyzed and evaluated.

[0057] It should be noted that the above explanation of the embodiment of the method for analyzing the feasibility of the carbon dioxide geological storage project is also applicable to the device for analyzing the feasibility of the carbon dioxide geological storage project, which will not be repeated here.

[0058] In order to realize the above-mentioned embodiments, the present application further provides an electronic device. Please refer to Figure 3 , Figure 3 is a structural schematic diagram of the electronic device provided by the embodiment of the present application. As shown in Figure 3 , the electronic device 300 comprises a processor 301 and a memory 302 connected with the processor 301 in communication; the memory 302 stores computer execution instructions; the processor 301 executes the computer execution instructions stored in the memory to realize the method provided by the above-mentioned embodiments.

[0059] In order to realize the above-mentioned embodiments, the present application further provides a computer readable storage medium, which stores computer execution instructions, and the computer execution instructions are executed by the processor to realize the method provided by the above-mentioned embodiments.

[0060] In order to realize the above-mentioned embodiments, the present application further provides a computer program product, which comprises a computer program, and the computer program is executed by the processor to realize the method provided by the above-mentioned embodiments.

[0061] It should be noted that the acquisition, transmission, storage, use, processing and the like of data in the technical solutions of the present application comply with the relevant provisions of national laws and regulations, and do not violate public order and good customs.

[0062] It should be noted that the information (including but not limited to user device information, user personal information, etc.), data (including but not limited to data used for analysis, data stored, data displayed, etc.) and signals involved in this application are all authorized by the user or fully authorized by all parties, and the collection, use and processing of related data must comply with the relevant laws, regulations and standards of the relevant countries and regions.

[0063] It is worth noting that in the embodiments of this application, certain software, components, models and other existing solutions in the industry may be mentioned. These should be regarded as exemplary and are only intended to illustrate the feasibility of implementing the technical solution of this application. However, they do not mean that the applicant has used or necessarily used the solution.

[0064] In the description of this application, unless otherwise stated, " / " means "or", for example, A / B can mean A or B; "and / or" in this document is merely a description of the relationship between related objects, indicating that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and B exists alone.

[0065] In the foregoing descriptions of the embodiments, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0066] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0067] Any process or method description in the flowchart or otherwise herein can be understood as representing a module, segment, or portion of code comprising one or more executable instructions for implementing custom logic functions or processes, and the scope of the preferred embodiments of this application includes additional implementations in which functions may be performed not in the order shown or discussed, including substantially simultaneously or in reverse order depending on the functions involved, as should be understood by those skilled in the art to which embodiments of this application pertain.

[0068] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as a sequenced list of executable instructions for implementing logical functions, and can be embodied in any computer-readable medium for use by, or in conjunction with, an instruction execution system, apparatus, or device (such as a computer-based system, a processor-including system, or other system that can fetch and execute instructions from, an instruction execution system, apparatus, or device). For the purposes of this specification, "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transmit programs for use by, or in conjunction with, an instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of computer-readable media include: an electrical connection having one or more wires (electronic device), a portable computer disk drive (magnetic device), random access memory (RAM), read-only memory (ROM), erasable and programmable read-only memory (EPROM or flash memory), fiber optic devices, and portable optical disc read-only memory (CDROM). Alternatively, the computer-readable medium may be paper or other suitable media on which the program can be printed, since the program can be obtained electronically, for example, by optically scanning the paper or other medium, followed by editing, interpreting, or otherwise processing as necessary, and then stored in a computer memory.

[0069] It should be understood that various parts of this application can be implemented using hardware, software, firmware, or a combination thereof. In the above embodiments, multiple steps or methods can be implemented using software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware as in another embodiment, it can be implemented using any one or a combination of the following techniques known in the art: discrete logic circuits having logic gates for implementing logical functions on data signals, application-specific integrated circuits (ASICs) having suitable combinational logic gates, programmable gate arrays (PGAs), field-programmable gate arrays (FPGAs), etc.

[0070] Those skilled in the art will understand that all or part of the steps of the methods in the above embodiments can be implemented by a program instructing related hardware. The program can be stored in a computer-readable storage medium, and when executed, the program includes one or a combination of the steps of the method embodiments.

[0071] Furthermore, the functional units in the various embodiments of this application can be integrated into a processing module, or each unit can exist physically separately, or two or more units can be integrated into a module. The integrated module can be implemented in hardware or as a software functional module. If the integrated module is implemented as a software functional module and sold or used as an independent product, it can also be stored in a computer-readable storage medium.

[0072] The storage medium mentioned above can be a read-only memory, a disk, or an optical disk, etc. Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of this application.

Claims

1. A feasibility analysis method for a carbon dioxide geological storage project, characterized in that, include: Obtain formation rock mechanics parameters, reservoir geological parameters, caprock geological parameters, geological stability data, and carbon dioxide injection parameters for the carbon dioxide geological storage area; Based on the reservoir geological parameters, the caprock geological parameters, and the geological stability data, a storage feasibility analysis was conducted to obtain the storage feasibility analysis results. Based on the formation rock mechanics parameters and the carbon dioxide injection parameters, formation injectability analysis was performed to obtain formation injectability analysis results; Based on the geological rock mechanical parameters and the carbon dioxide injection parameters, surface deformation is predicted to obtain the surface deformation prediction results. A feasibility analysis of the carbon dioxide geological sequestration project is conducted based on the results of the sequestration feasibility analysis, the results of the formation injectability analysis, and the results of the surface deformation prediction.

2. The method according to claim 1, characterized in that, The feasibility analysis for sealing off the reservoir is conducted based on the reservoir geological parameters, the caprock geological parameters, and the geological stability data, and the results of the feasibility analysis are obtained, including: Based on the reservoir geological parameters, reservoir sealing performance analysis was performed to obtain reservoir sealing performance analysis results; Based on the reservoir geological parameters and the caprock geological parameters, a reservoir capacity analysis is performed to obtain the reservoir capacity analysis results; Based on the geological stability data, fracture development is predicted, and the fracture development prediction results are obtained. Based on the reservoir sealing performance analysis results, the reservoir capacity analysis results, and the fracture development prediction results, the storage feasibility analysis results are obtained.

3. The method according to claim 1, characterized in that, The formation injectability analysis based on the formation rock mechanical parameters and the carbon dioxide injection parameters, to obtain the formation injectability analysis results, includes: Stress variation simulation was performed based on the aforementioned formation rock mechanical parameters and the aforementioned carbon dioxide injection parameters to obtain stress analysis results; The injectionability analysis results of the formation are obtained based on the stress analysis results.

4. The method according to claim 1, characterized in that, The prediction of surface deformation based on the formation rock mechanical parameters and the carbon dioxide injection parameters, to obtain the surface deformation prediction results, includes: A geomechanical model was established based on the aforementioned rock mechanical parameters of the strata. The surface deformation after carbon dioxide injection is simulated based on the geomechanical model and the carbon dioxide injection parameters, and is used as the prediction result of the surface deformation.

5. A feasibility analysis device for carbon dioxide geological storage projects, characterized in that, include: The acquisition module is used to acquire the formation rock mechanics parameters, reservoir geological parameters, caprock geological parameters, geological stability data, and carbon dioxide injection parameters of the carbon dioxide geological storage area; The first processing module is used to perform a storage feasibility analysis based on the reservoir geological parameters, the caprock geological parameters and the geological stability data, and to obtain the storage feasibility analysis results. The second processing module is used to perform formation injectability analysis based on the formation rock mechanical parameters and the carbon dioxide injection parameters, and obtain formation injectability analysis results. The third processing module is used to predict surface deformation based on the formation rock mechanical parameters and the carbon dioxide injection parameters, and to obtain the surface deformation prediction results. The fourth processing module is used to conduct a feasibility analysis of the carbon dioxide geological storage project based on the results of the storage feasibility analysis, the results of the formation injectability analysis, and the results of the surface deformation prediction.

6. The apparatus according to claim 5, characterized in that, The first processing module is specifically used for: Based on the reservoir geological parameters, reservoir sealing performance analysis was performed to obtain reservoir sealing performance analysis results; Based on the reservoir geological parameters and the caprock geological parameters, a reservoir capacity analysis is performed to obtain the reservoir capacity analysis results; Based on the geological stability data, fracture development is predicted, and the fracture development prediction results are obtained. Based on the reservoir sealing performance analysis results, the reservoir capacity analysis results, and the fracture development prediction results, the storage feasibility analysis results are obtained.

7. The apparatus according to claim 5, characterized in that, The second processing module is specifically used for: Stress variation simulation was performed based on the aforementioned formation rock mechanical parameters and the aforementioned carbon dioxide injection parameters to obtain stress analysis results; The injectionability analysis results of the formation are obtained based on the stress analysis results.

8. An electronic device, characterized in that, include: A processor, and a memory communicatively connected to the processor; The memory stores computer-executed instructions; The processor executes computer execution instructions stored in the memory to implement the method as described in any one of claims 1 to 4.

9. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer-executable instructions, which, when executed by a processor, are used to implement the method as described in any one of claims 1 to 4.

10. A computer program product, characterized in that, It includes a computer program that, when executed by a processor, implements the method as described in any one of claims 1 to 4.

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