Method for discriminating formation time of anticline structure in sedimentary basin
By using three-dimensional seismic data to identify the direction and upper superplane of the anticline structure in the sedimentary basin, the stratigraphic age corresponding to the superpoint on the lowest seismic is used as the determination of the formation age of the anticline structure, the problem of inaccurate determination of the formation age of the anticline structure in the prior art is solved, and high-precision scheduling is achieved.
Patent Information
- Application Number
- CN202510033693.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-05-13
AI Technical Summary
In sedimentary basins, it is difficult for the prior art to accurately determine the formation date of an anticline structure, especially when the quality of medium and deep seismic data is poor, the anticline structure is not clear, which affects the accuracy of judgment.
By taking the three-dimensional seismic data body of the sedimentary basin, the stratigraphic lattice interface is identified to obtain the stratigraphic lattice lattice. The anticle structure is identified based on the morphological characteristics of the seismic reflection in phase axis of the anticle, and its direction is determined. The super-surface on the earthquake is identified on the two wings of the top interface of the anticle structure. The stratigraphic age corresponding to the super-point on the lowest earthquake is used as the judgment of the formation age of the anticle structure.
It is realized that the formation age of anticline structure in the sedimentary basin is accurately and conveniently determined without relying on the layer leveling technology, and the dating accuracy is improved, and the cumbersome and computational problems of the layer leveling method are overcome.
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Figure CN119986796A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of petroleum exploration, and more specifically, to a method for determining the formation age of anticline structures in sedimentary basins. Background Art
[0002] In sedimentary basins, anticline structures are formed under the action of compression stress fields. The strike direction of the anticline structure is perpendicular to the direction of the compression stress in the basin. The stress field properties of sedimentary basins change at different evolutionary stages. The late structure is controlled by the pre-formed structure and transforms the pre-formed structure, resulting in the superposition and compounding of structural deformation and faults at different stages of the basin, forming a complex current structural form.
[0003] The identification of the formation age of anticline structures in sedimentary basins is greatly affected by the quality of seismic data. In the middle and deep layers of sedimentary basins, the quality of seismic data begins to deteriorate, seismic reflections are blurred, the anticline structure morphology becomes unclear, and the top surface of the anticline is blurred, which seriously affects the determination of the formation age of the anticline.
[0004] In the prior art, the method of flattening ancient structural layers is usually used to determine the formation time of anticlines. However, the prerequisite for the application of this method is that the basin strata maintain continuous deposition. In actual basins, there are often long-term geological age gaps between different strata. Discontinuous deposition leads to poor results in layer flattening to restore ancient anticlines, which seriously affects the accuracy of anticline dating. Moreover, when the anticline structure is damaged by later erosion and fault cutting, the anticline morphology changes, or the anticline morphology becomes incomplete. The use of layer flattening methods to determine the formation age of the anticline may produce large prediction deviations.
[0005] Based on this, there is an urgent need for a technical solution that does not rely on layer flattening technology to determine the formation age of anticline structures in sedimentary basins, so as to accurately and conveniently determine the formation age of anticline structures. Summary of the invention
[0006] In order to at least solve one or more of the technical problems mentioned above, the present invention provides a method for determining the formation age of anticline structures in sedimentary basins, comprising: a first step, taking a three-dimensional seismic data body of a sedimentary basin, identifying stratigraphic sequence interfaces, and obtaining a chronostratigraphic framework; a second step, taking a seismic profile and a seismic isochron slice of the three-dimensional seismic data body of the sedimentary basin, and identifying the anticline structure based on the morphological characteristics of the seismic reflection event axis of the anticline; a third step, determining the strike of the anticline structure based on the all-round stratigraphic dip and inclination of the anticline structure; a fourth step, taking a seismic profile perpendicular to the strike of the anticline structure, and identifying a seismic overhang surface on both wings of the top interface of the anticline structure; and a fifth step, taking the lowest seismic overhang point of the seismic overhang surface, obtaining the stratigraphic age corresponding to the lowest seismic overhang point in the chronostratigraphic framework, and determining it as the formation age of the anticline structure in the sedimentary basin.
[0007] According to one embodiment of the present invention, in the second step, the morphological characteristics of the seismic reflection event axis of the anticline include: regular or irregular ellipse, circle, semi-ellipse in seismic isochronal slices; and bulge in seismic profiles.
[0008] According to one embodiment of the present invention, multiple seismic isochronous slices are taken from shallow to deep, and the sizes of morphological features in the multiple seismic isochronous slices are compared. When the area of the morphological features gradually increases from shallow to deep, it is identified as an anticline structure.
[0009] According to one embodiment of the present invention, in the second step, the seismic section is first selected by rotating at a preset angle to identify the anticline structure, and then the seismic isochronal slices are continuously selected from shallow to deep to identify the anticline structure.
[0010] According to an embodiment of the present invention, the preset angle includes any value between 2° and 10°.
[0011] According to one embodiment of the present invention, in the third step, all-round formation dip and inclination are obtained by scanning within the range of the anticline structure based on waveform similarity.
[0012] According to one embodiment of the present invention, in the fourth step, multiple seismic profiles are taken.
[0013] According to one embodiment of the present invention, identifying the seismic supersurface on both wings of the top interface of the anticline structure includes: picking up the stratigraphic isochronous interfaces in contact with the two wings of the top interface of the anticline structure; reading the points where the stratigraphic thickness becomes thinner and interrupted between the stratigraphic isochronous interfaces, and connecting them into the seismic supersurface.
[0014] According to another aspect of the present invention, a device for determining the formation age of anticline structures in sedimentary basins is provided, comprising: a processor for executing program instructions; and a memory storing program instructions, which enables the processor to execute the aforementioned determination method when the program instructions are loaded and executed by the processor.
[0015] According to another aspect of the present invention, a non-volatile computer-readable storage medium is provided, on which computer-readable instructions are stored. When the computer-readable instructions are executed by one or more processors, the aforementioned determination method is implemented.
[0016] In the embodiment of the present invention, the superjacent surface is used as the boundary of the anticline structure, which avoids the dependence on the integrity of the ancient structural morphology in the traditional identification method, and does not rely on the seismic burial depth and seismic reflection intensity, and can clearly identify and quickly determine the formation period. Furthermore, the direction and position of the systematic thinning of the stratum thickness are used to assist in determining the superjacent surface, which can overcome the problem of unclear identification caused by the discontinuity of the superjacent surface.
[0017] In the present invention, the seismic superimposed surfaces on the two wings of the anticline structure are used to directly determine the formation age of the anticline structure, which can achieve direct and rapid determination, overcome the tediousness of layer flattening, and reduce the large amount of calculation of layer flattening.
[0018] In the present invention, the stratigraphic age corresponding to the lowest onlap point on the seismic onlap surface on both wings of the anticline structure is used as the formation age of the anticline structure, and the dating accuracy is more accurate than the traditional layer flattening technology. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] By reading the following detailed description with reference to the accompanying drawings, the above and other objects, features and advantages of the exemplary embodiments of the present invention will become readily understood. In the accompanying drawings, several embodiments of the present invention are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:
[0020] Figure 1 A schematic diagram of a three-dimensional seismic exploration system is exemplarily shown;
[0021] Figure 2 A schematic diagram showing the steps of a method for identifying a bedrock paleo-anticline in a fault basin;
[0022] Figure 3 A schematic diagram of a seismic section showing an anticline structure is shown;
[0023] Figure 4 A schematic diagram of a seismic section showing the onlapping strata is shown;
[0024] Figure 5 A schematic diagram of a seismic section showing a formation with a systematic thinning in thickness is shown;
[0025] Figure 6 The hardware schematic diagram of the system for determining the formation age of anticline structures in sedimentary basins is shown. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.
[0027] It should be understood that the terms "include" and "comprising" used in the description and claims of the present invention indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.
[0028] It should also be understood that the terms used in this specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the specification of the present invention and the claims, the singular forms of "a", "an" and "the" are intended to include the plural forms unless the context clearly indicates otherwise. It should also be further understood that the term "and / or" used in the specification of the present invention and the claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.
[0029] As used in this specification and claims, the term "if" may be interpreted as "when" or "upon" or "in response to determining" or "in response to detecting," depending on the context. Similarly, the phrase "if it is determined" or "if [described condition or event] is detected" may be interpreted as meaning "upon determination" or "in response to determining" or "upon detection of [described condition or event]" or "in response to detecting [described condition or event]," depending on the context.
[0030] The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0031] Figure 1 A schematic diagram of a three-dimensional seismic exploration system is exemplarily shown.
[0032] like Figure 1 As shown, in the system 100, a plurality of mutually spaced detectors 110 for detecting seismic waves are arranged on the surface 101 of the exploration target area, forming a detector array covering the target area on a plane, and these detectors 110 are connected to the seismic information processing device by wired or wireless connection, and a plurality of seismic sources 120 are also arranged. The seismic information processing device can perform preliminary processing on the seismic data. The working process of the three-dimensional seismic exploration system is: artificially excite the seismic sources 120 located at multiple positions to generate seismic waves, which are reflected from the boundary of the stratum 102 and received by the detector array to form seismic information collected on a plane and changing with time. The seismic information received by the detector array represents certain measurements of seismic wave energy as a function of time, such as displacement, velocity, wave impedance, pressure, etc. This information can be grouped in different ways, such as traces, sets, etc., and then processed or format converted according to the corresponding relationship between time and space to form a three-dimensional seismic data body in the form of a three-dimensional array, that is, high-quality three-dimensional seismic fine imaging data is obtained, and the three-dimensional seismic data body is formed by spatial stacking of interface points. The interpretation of three-dimensional seismic data can observe the morphology of geological interfaces from different directions and study the changes of geological bodies in three-dimensional space by cutting cross sections, longitudinal sections and horizontal slices.
[0033] Figure 2A schematic diagram showing the steps of the method for identifying the bedrock paleo-anticline in a fault basin.
[0034] like Figure 2 As shown, the method 200 for identifying the bedrock ancient anticline in a fault basin comprises: a first step S201, taking a three-dimensional seismic data body of a sedimentary basin, identifying the stratigraphic sequence interface, and obtaining a chronostratigraphic framework; a second step S202, taking a seismic profile and a seismic isochron slice of the three-dimensional seismic data body of the sedimentary basin, and identifying the anticline structure according to the morphological characteristics of the seismic reflection event axis of the anticline; a third step S203, determining the strike of the anticline structure according to the all-round stratigraphic dip and inclination of the anticline structure; a fourth step S204, taking a seismic profile perpendicular to the strike of the anticline structure, and identifying the seismic overhang surface on both wings of the top interface of the anticline structure; a fifth step S205, taking the lowest seismic overhang point of the seismic overhang surface, obtaining the stratigraphic age corresponding to the lowest seismic overhang point in the chronostratigraphic framework, and determining it as the formation age of the anticline structure in the sedimentary basin.
[0035] In the first step S201 of the embodiment of the present invention, the interpretation of the three-dimensional seismic data volume can be achieved manually or by software, and the generation process of the chronostratigraphic framework is not described in detail.
[0036] Figure 3 A schematic diagram of a seismic section showing anticline structure is shown.
[0037] like Figure 3 As shown, auxiliary line a is the top interface of the anticline structure. Due to the influence of factors such as the quality of seismic data or the burial depth, the distortion of the top surface is usually more serious and the scope of the anticline structure cannot be accurately depicted. Auxiliary line a is an auxiliary line added to illustrate the purpose of the present invention. In the corresponding seismic isochronal slice, the anticline structure is approximately circular or elliptical, and the circumference of the circle or ellipse gradually increases with the increase of depth. Although this method can accurately identify the anticline structure, the boundary of the anticline cannot be accurately determined.
[0038] In the process of identifying anticline structures, the seismic profile is first selected by rotating at a preset angle to identify the anticline structure, and then the seismic isochronal slices are continuously selected from shallow to deep to identify the anticline structure. Preferably, the preset angle includes any value from 2° to 10°. In an embodiment of the present invention, the range of the preset angle is set, and the number of seismic profiles can be reduced while ensuring the effective identification of the superjacent surface, thereby reducing the amount of calculation.
[0039] By rotating and selecting seismic sections to identify anticline structures, suspected anticline structures can be quickly obtained. On this basis, multiple seismic isochronous slices are taken for these suspected anticline structures to identify whether their morphology on the seismic isochronous slices conforms to the characteristics of the anticline structure, thereby determining the true anticline structure. The morphological characteristics of the seismic reflection event axis of the anticline include: regular or irregular elliptical, circular, and semi-elliptical in the seismic isochronous slices; and bulge-like in the seismic section. Take multiple seismic isochronous slices from shallow to deep, compare the size of the morphological features in multiple seismic isochronous slices, and when the area of the morphological features gradually increases from shallow to deep, it is identified as an anticline structure.
[0040] The inventors adopted a method that does not rely on earthquake burial depth and seismic reflection intensity, but instead used the onlap surface as the boundary of the anticline structure and used the lowest onlap point to determine its formation age.
[0041] Specifically, in the third step S203, the strike of the anticline structure is determined according to the omnidirectional formation dip and inclination of the anticline structure. Omnidirectional means a 360-degree rotation scan within the anticline structure to accurately determine the dip and inclination. The specific method may adopt an existing determination method based on complex seismic trace analysis, a determination method based on waveform similarity scanning, and a determination method based on gradient structure tensor.
[0042] In the fourth step S204, a seismic profile perpendicular to the strike of the anticline structure is taken, and seismic overlap surfaces are identified on both wings of the top interface of the anticline structure. Overlap is the pinch-out of the horizontal strata on the original inclined surface, or the pinch-out of the original inclined strata on the original inclined surface with a larger dip angle. In the seismic profile, there are overlap points on the edge of the anticline structure, and the overlap surface is formed by connecting the overlap points.
[0043] When identifying the onlap surface, multiple seismic sections are taken along the strike of the anticline structure, and the seismic sections are perpendicular to the strike, so as to facilitate the identification of the onlap surfaces on both wings. That is, multiple seismic sections are selected, and the onlap points are identified on each seismic section, and the onlap points are connected to form the onlap surface.
[0044] Figure 4 A schematic diagram of a seismic section showing the onlapping strata is shown.
[0045] like Figure 4 As shown in the figure, the auxiliary line a is the top interface of the anticline structure. The area marked by the auxiliary box b is the onlap stratum, which extends to the edge of the anticline structure to form an onlap pinch-out. By picking the onlap points and connecting and interpolating them, the onlap surface can be obtained.
[0046] The top interface of the anticline structure can be accurately represented by the shape of the superimposed surface, and the formation age of the anticline structure can be determined based on the vertical geological age relationship. In addition, when the identification of the superimposed point is difficult due to the quality of seismic data, the strata with systematic thinning thickness of the superimposed strata can be identified, and the superimposed surface can be determined based on the strata with systematic thinning thickness. Specifically, the stratigraphic isochronous interfaces that contact the two wings of the top interface of the anticline structure are picked; the points where the stratigraphic thickness is thinned and interrupted between the stratigraphic isochronous interfaces are read and connected into the seismic superimposed surface.
[0047] Figure 5 A schematic diagram of a seismic section showing a systematic thinning of the strata in thickness is shown.
[0048] like Figure 5 As shown, auxiliary line a is the top interface of the anticline structure, and auxiliary line c indicates the stratum with systematic thinning thickness.
[0049] A stratum with systematically reduced thickness refers to a stratum that gradually thins from the distal end toward the top interface of the anticline structure. The junction between the stratum and the top interface is the edge of the anticline structure, which can be used as a supplement to the incomplete superjacent surface. In an embodiment of the present invention, the accuracy can be further improved by using a stratum with systematically reduced thickness to assist in determining the superjacent surface.
[0050] After determining the onlap surface, in the fifth step S205, the lowest seismic onlap point is taken, and the corresponding seismic event is read, and the stratigraphic age corresponding to the seismic event is directly read in the chronostratigraphic framework to determine the formation age of the anticline structure in the sedimentary basin.
[0051] Preferably, the lowest seismic overshoot point is read from a plurality of seismic profiles respectively, and the lowest overshoot point is selected by further comparison.
[0052] In the embodiment of the present invention, the superjacent surface is used as the boundary of the anticline structure, which avoids the dependence on the integrity of the ancient structural morphology in the traditional identification method, and does not rely on the seismic burial depth and seismic reflection intensity, and can clearly identify and quickly determine the formation period. Furthermore, the direction and position of the systematic thinning of the stratum thickness are used to assist in determining the superjacent surface, which can overcome the problem of unclear identification caused by the discontinuity of the superjacent surface.
[0053] Figure 6 The hardware schematic diagram of the system for determining the formation age of anticline structures in sedimentary basins is shown.
[0054] The system 600 may include a device 601 according to an embodiment of the present invention, as well as its peripheral devices and an external network, wherein the device 601 is used to perform an identification operation to implement the technical solution of the aforementioned embodiment of the present invention.
[0055] like Figure 6As shown in , the device 601 may include a CPU 6011, which may be a general-purpose CPU, a dedicated CPU, or other information processing and program execution unit. Further, the device 601 may also include a large-capacity memory 6012 and a read-only memory ROM 6013, wherein the large-capacity memory 6012 may be configured to store various types of data, such as seismic data, and various programs required for performing various operations, and the ROM 6013 may be configured to store the power-on self-test of the device 601, the initialization of various functional modules in the system, the basic input / output driver of the system, and the data required for booting the operating system.
[0056] Further, the device 601 also includes other hardware platforms or components, such as the TPU 6014, GPU 6015, FPGA 6016 and MLU 6017 shown. It is understood that although a variety of hardware platforms or components are shown in the device 600, this is only exemplary and not restrictive, and those skilled in the art can add or remove corresponding hardware according to actual needs. For example, the device 601 can include only a CPU as a well-known hardware platform and another hardware platform as a test hardware platform of the present invention.
[0057] The device 601 of the present invention also includes a communication interface 6018, so that it can be connected to a local area network / wireless local area network (LAN / WLAN) 605 through the communication interface 6018, and then connected to a local server 606 or to the Internet ("Internet") 607 through the LAN / WLAN. Alternatively or additionally, the device 601 of the present invention can also be directly connected to the Internet or a cellular network based on a wireless communication technology through the communication interface 6018, such as a third generation ("3G"), fourth generation ("4G") or fifth generation ("5G") wireless communication technology. In some application scenarios, the device 401 of the present invention can also access a server 608 of an external network and a possible database 609 as needed to obtain various known algorithms, data and modules, and can store various data remotely.
[0058] The peripheral devices of the device 601 may include a display device 602, an input device 603, and a data transmission interface 604. In one embodiment, the display device 602 may include, for example, one or more speakers and / or one or more visual displays, which are configured to perform voice prompts and / or image video displays on the computing process or detection results of the device of the present invention. The input device 603 may include, for example, a keyboard, a mouse, a microphone, a gesture capture camera, or other input buttons or controls, which are configured to receive input or user instructions for training data. The data transmission interface 604 may include, for example, a serial interface, a parallel interface or a universal serial bus interface ("USB"), a small computer system interface ("SCSI"), a serial ATA, a FireWire ("FireWire"), a PCI Express, and a high-definition multimedia interface ("HDMI"), etc., which are configured for data transmission and interaction with other devices or systems.
[0059] The CPU 6011, the mass storage 6012, the read-only memory ROM 6013, the TPU 6014, the GPU 6015, the FPGA 6016, the MLU 6017 and the communication interface 6018 of the device 601 of the present invention can be connected to each other through a bus 6019, and data interaction with peripheral devices can be achieved through the bus. In one embodiment, through the bus 6019, the CPU 6011 can control other hardware components in the device 601 and its peripheral devices.
[0060] In operation, the processor CPU 6011 of the device 601 of the present invention can receive the three-dimensional seismic data body through the input device 603 or the data transmission interface 604, and retrieve the computer program instructions or codes (such as various programs for building a stratigraphic model) stored in the memory 6012 to process the three-dimensional seismic data body. After the CPU 6011 obtains the recognition result by executing the program instructions, it can be displayed on the display device 602 or output in the form of voice prompts. In addition, the device 601 can also upload the recognition result to the network, such as the remote database 609, through the communication interface 6018.
[0061] It should also be understood that any module, unit, component, server, computer, terminal or device that executes instructions of the present invention examples may include or otherwise access computer-readable media, such as storage media, computer storage media or data storage devices (removable) and / or non-removable) such as disks, optical disks or tapes. Computer storage media may include volatile and non-volatile, removable and non-removable media implemented in any method or technology for storing information, such as computer-readable instructions, data structures, program modules or other data.
[0062] The computer-readable storage medium may be any suitable magnetic storage medium or magneto-optical storage medium, such as Resistive Random Access Memory (RRAM), Dynamic Random Access Memory (DRAM), Static Random Access Memory (SRAM), Enhanced Dynamic Random Access Memory (EDRAM), High-Bandwidth Memory (HBM), Hybrid Memory Cube (HMC), etc., or any other medium that can be used to store the required information and can be accessed by an application, a module, or both. Any such computer storage medium may be part of a device or accessible or connectable to a device. Any application or module described in the present invention may be implemented using computer-readable / executable instructions that may be stored or otherwise maintained by such a computer-readable medium.
[0063] Although multiple embodiments of the present invention have been shown and described herein, it will be apparent to those skilled in the art that such embodiments are provided by way of example only. Those skilled in the art may conceive of many changes, modifications, and alternatives without departing from the thought and spirit of the present invention. It should be understood that in the process of practicing the present invention, various alternatives to the embodiments of the present invention described herein may be adopted. The appended claims are intended to define the scope of protection of the present invention, and therefore cover equivalents or alternatives within the scope of these claims.
Claims
1. A method for determining the age of anticline structures in sedimentary basins, characterized in that: include: In the first step, the three-dimensional seismic data volume of the sedimentary basin is taken to identify the stratigraphic sequence interfaces and obtain the chronostratigraphic framework; The second step is to obtain the seismic profile and seismic isochronal slice of the three-dimensional seismic data volume of the sedimentary basin, and identify the anticline structure according to the morphological characteristics of the seismic reflection event axis of the anticline; The third step is to determine the strike of the anticline structure according to the omnidirectional stratigraphic dip and inclination of the anticline structure; The fourth step is to take a seismic section perpendicular to the strike of the anticline structure and identify seismic overhang surfaces on both wings of the top interface of the anticline structure; The fifth step is to take the lowest seismic overshoot point of the seismic overshoot surface, obtain the stratigraphic age corresponding to the lowest seismic overshoot point in the chronostratigraphic framework, and determine it as the formation age of the anticline structure in the sedimentary basin.
2. The identification method according to claim 1, characterized in that: In the second step, the morphological characteristics of the seismic reflection event axis of the anticline include: In seismic isochronous slices, it appears as regular or irregular ellipse, circle, or semi-ellipse; It appears as a bulge in the seismic section.
3. The identification method according to claim 2, characterized in that: Take multiple seismic isochronous slices from shallow to deep, compare the sizes of the morphological features in the multiple seismic isochronous slices, and when the area of the morphological features gradually increases from shallow to deep, it is identified as an anticline structure.
4. The identification method according to claim 2, characterized in that: In the second step, the seismic section is first selected by rotating at a preset angle to identify the anticline structure, and then the seismic isochronal slices are continuously selected from shallow to deep to identify the anticline structure.
5. The identification method according to claim 4, characterized in that: The preset angle includes any value between 2° and 10°.
6. The identification method according to claim 1, characterized in that: In the third step, the omnidirectional formation dip and inclination are obtained by scanning within the range of the anticline structure based on waveform similarity.
7. The identification method according to claim 1, characterized in that: In the fourth step, a plurality of seismic profiles are taken.
8. The identification method according to claim 7, characterized in that: The seismic overhang surfaces identified on both wings of the top interface of the anticline structure include: Picking up the stratigraphic isochronous interfaces that are in contact with the two wings of the top interface of the anticline structure; The points where the stratum thickness becomes thinner and interrupted between the isochronous interfaces of the strata are read and connected to form a seismic supersurface.
9. Equipment for determining the formation age of anticline structures in sedimentary basins, characterized in that: include: a processor for executing program instructions; and a memory storing program instructions, which, when loaded and executed by a processor, enables the processor to execute the determination method according to any one of claims 1 to 8.
10. A non-volatile computer-readable storage medium, characterized in that: Computer-readable instructions are stored thereon, and when the computer-readable instructions are executed by one or more processors, the determination method described in any one of claims 1 to 8 is implemented.