Method, device, equipment, medium and program product for identifying argillaceous contourite deposit and establishing sequence
By identifying and analyzing the lamellar groups and lamellar types of shale samples, the problem of accurate identification and sequence establishment of muddy and other deep-flowing sediments under non-biological disturbance characteristics has been solved, enabling accurate identification and interpretation in shale oil and gas exploration.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- PETROCHINA CO LTD
- Filing Date
- 2025-01-24
- Publication Date
- 2026-07-24
AI Technical Summary
Existing technologies struggle to accurately identify muddy, undisturbed sedimentary deposits, resulting in poor sequence identification accuracy for such deposits in shale oil and gas exploration.
By identifying the lamellar groups and lamellar types of shale samples, and combining the grain size variation characteristics of the lamellar groups, the characteristics of the lamellar types, and the morphology of the lamellar interfaces, typical lamellar groups are determined, thereby identifying muddy and other deep-flowing sediments and establishing corresponding sequence stratigraphy.
The ability to accurately and rapidly identify and establish deep-flow sedimentary sequences such as mudstone without relying on bioturbation characteristics provides an explanation for the genetic mechanism of high-quality shale reservoirs and provides a basis for favorable shale oil and gas areas.
Smart Images
Figure CN122449635A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of resource exploration technology, and in particular to a method, apparatus, equipment, medium, and program product for identifying and establishing sequence stratigraphy of muddy and other deep-flowing sediments. Background Technology
[0002] Muddy isocurrent sediments are an important type of deep-water sedimentary deposit, closely related to the enrichment of shale oil and gas. During the deposition process, muddy isocurrent sediments may carry and enrich large amounts of organic matter, which can be converted into oil and gas under suitable geological conditions. Furthermore, shale layers formed by isocurrent sediments often possess good sealing properties, which is conducive to the preservation of oil and gas, providing important targets and directions for shale oil and gas exploration. Therefore, identifying muddy isocurrent sedimentary sequences helps determine favorable reservoir locations for shale oil and gas.
[0003] Existing technologies primarily rely on bioturbation characteristics to identify deep-flowing sediments such as mudstone in shale. However, in many shale formation processes, such as marine black shale, bioturbation is not well-developed due to the oxygen-deficient to anoxic state of the water body, making it impossible to identify deep-flowing sediments such as mudstone, resulting in poor accuracy in identifying deep-flowing sediments such as mudstone in shale. Summary of the Invention
[0004] This invention provides a method, apparatus, equipment, medium, and program product for identifying and establishing muddy isobaths in shale without biological disturbance, and for accurately and quickly establishing corresponding muddy isobath sedimentary sequences.
[0005] In a first aspect, embodiments of the present invention provide a method for identifying muddy, deep-flowing sediments, including:
[0006] Identify the lamellar groups that make up the shale sample and the lamellar groups that make up the lamellar groups;
[0007] Determine the texture type of the texture layer, wherein the texture type is a mud texture layer or a silt texture layer; and
[0008] Based on the grain size variation characteristics, laminar type characteristics, and laminar interface morphology corresponding to the laminar group, it is determined whether the laminar group is a typical laminar group of argillaceous isodynamic sedimentary deposits. If the laminar group is the typical laminar group, the shale sample is identified as an argillaceous isodynamic sedimentary deposit.
[0009] The typical texture group includes a first typical texture group and a second typical texture group. The texture feature of the first typical texture group is a layered positive gradient texture carrying erosion surfaces and small cross layers. The texture feature of the second typical texture group is an interactive horizontal texture carrying small powder lenses.
[0010] Secondly, embodiments of the present invention provide a method for establishing a muddy isobathry sedimentary sequence, used to establish a muddy isobathry sedimentary sequence in the study area where the sampling well of the shale sample is located when the shale sample is identified as muddy isobathry sediment by any of the muddy isobathry sedimentary identification methods described in the embodiments of the present invention. The method includes:
[0011] The texture type of each typical lamellar group developed in the shale sample is determined based on the corresponding texture features;
[0012] The single-well vertical texture type sequence of silty isodynamic sediments in the sampling wells was determined based on the texture types of each typical lamellar group; and
[0013] The muddy iso-deep current sedimentary sequence is established based on the single-well longitudinal texture type sequence.
[0014] Thirdly, embodiments of the present invention provide a device for identifying muddy or other deep-flowing sediments, comprising:
[0015] A laminar group and a laminar recognition module are used to identify the laminar group that makes up the shale sample and the laminar layers that make up the laminar group;
[0016] A texture type determination module is used to determine the texture type of the texture, wherein the texture type is either a mud texture or a silt texture; and
[0017] The muddy isocurrent sediment determination module is used to determine whether the laminated group is a typical laminated group of muddy isocurrent sediments based on the grain size variation characteristics, laminated type characteristics, and laminated interface morphology of the laminated group, and to identify the shale sample as muddy isocurrent sediment when the laminated group is the typical laminated group.
[0018] The typical texture group includes a first typical texture group and a second typical texture group. The texture feature of the first typical texture group is a layered positive gradient texture carrying erosion surfaces and small cross layers. The texture feature of the second typical texture group is an interactive horizontal texture carrying small powder lenses.
[0019] Fourthly, embodiments of the present invention also provide an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the program, it implements the muddy isocurrent sediment identification method or the muddy isocurrent sediment sequence establishment method as described in any of the embodiments of the present invention.
[0020] Fifthly, embodiments of the present invention also provide a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the muddy isocurrent sediment identification method or the muddy isocurrent sediment sequence establishment method as described in any of the embodiments of the present invention.
[0021] Sixthly, embodiments of the present invention also provide a computer program product, including a computer program that, when executed by a processor, implements the muddy isocurrent sediment identification method or the muddy isocurrent sedimentary sequence establishment method as described in any of the embodiments of the present invention.
[0022] This invention provides a method, apparatus, equipment, medium, and program product for identifying and establishing sequence stratigraphy of argillaceous isocurrent sediments. By identifying the lamellar groups that make up a shale sample and the lamellars that make up the corresponding lamellar groups, and determining the lamellar type of the lamellars, the typical lamellar groups of argillaceous isocurrent sediments developed in the shale sample are identified based on the grain size variation characteristics, lamellar type characteristics, and lamellar interface morphology of the lamellar groups. When a typical lamellar group is identified, the shale sample is identified as an argillaceous isocurrent sediment. This method does not rely on bioturbation characteristics, overcoming the shortcomings of using bioturbation characteristics to identify argillaceous isocurrents, and accurately and quickly identifies argillaceous isocurrents in shale without bioturbation characteristics.
[0023] In this embodiment of the invention, when the shale sample is a muddy isodynamic sedimentary deposit, the texture type of each typical lamellar set developed in the shale sample is determined based on the corresponding texture characteristics. Then, based on the texture type of each typical lamellar set, the single-well vertical texture type sequence of the muddy isodynamic sedimentary deposit in the sampling well of the shale sample is determined. Subsequently, a muddy isodynamic sedimentary sequence is established based on the single-well vertical texture type sequence, thus establishing a muddy isodynamic sedimentary sequence in the study area where the shale sample sampling well is located. This allows for accurate and rapid establishment of a muddy isodynamic sedimentary sequence without requiring biologically dependent characteristics, thereby facilitating an accurate interpretation of the genetic mechanism of high-quality shale reservoirs and providing a basis for selecting favorable shale oil and gas areas. Attached Figure Description
[0024] To more clearly illustrate the technical solution of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0025] Figure 1 This is a schematic flowchart of a method for identifying muddy, deep-flowing sediments provided in an embodiment of the present invention;
[0026] Figure 2 This is a schematic diagram of the shale inner layer interface in the muddy isostatic sediment identification method provided in this invention;
[0027] Figure 3 This is a schematic flowchart of a method for establishing a muddy, deep-flowing sedimentary sequence provided by the present invention;
[0028] Figure 4 This is another schematic diagram of the process for establishing a sequence of muddy, deep-flowing sedimentary layers provided in this invention.
[0029] Figure 5 This is another schematic diagram of the process for establishing a sequence of muddy, deep-flowing sedimentary layers provided in this invention.
[0030] Figure 6 This is a schematic diagram of the process of determining typical texture type sequences in the muddy isostatic sedimentary sequence establishment method provided by the present invention;
[0031] Figure 7 This is a schematic diagram of the muddy isocurrent sedimentary sequence in the muddy isocurrent sedimentary sequence establishment method provided by the present invention;
[0032] Figure 8 This is a schematic diagram of a mud-like deep-flow sediment identification device provided in an embodiment of the present invention;
[0033] Figure 9 This is a schematic diagram of a muddy iso-deep current sedimentary sequence establishment device provided in this invention.
[0034] Figure 10 This is a schematic diagram of the structure of an electronic device provided in the embodiment of the present invention. Detailed Implementation
[0035] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.
[0036] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0037] Figure 1This is a schematic flowchart of a method for identifying silty isocurrent sediments provided in an embodiment of the present invention. This embodiment is applicable to identifying silty isocurrent sediments in shale without biological disturbance characteristics. The method can be executed by a silty isocurrent sediment identification device provided in this embodiment, which can be implemented in software and / or hardware. In a specific embodiment, the device can be integrated into an electronic device, such as a computer or server. The following embodiments will illustrate this using the integration of the device into an electronic device as an example. (Reference) Figure 1 The method may specifically include the following steps:
[0038] Step 101: Identify the lamellar groups that make up the shale sample and the lamellars that make up the lamellar groups. This step helps to determine the lamellar type and, based on the grain size variation characteristics, lamellar type characteristics, and lamellar interface morphology corresponding to the lamellar groups, determine whether the lamellar groups are typical lamellar groups of argillaceous and other deep-flowing deposits.
[0039] Specifically, the aforementioned shale samples can be shale samples collected from one or more sampling wells in a study area.
[0040] Optionally, the lamellar groups that make up the shale sample include each lamellar group that makes up the shale sample, and the lamellar groups that make up the lamellar groups include each lamellar group that makes up the lamellar groups.
[0041] Specifically, the lamellar groups that make up the shale samples include a portion of the lamellar groups that make up the shale samples.
[0042] Optionally, the process of identifying the lamellar groups that make up the shale sample includes:
[0043] Step A1: Obtain a large thin section polarized light microscope image of the shale sample.
[0044] Step A2: Identify the inner interfaces of the shale, specifically within the full-length thin section image, based on lithological abrupt changes, longitudinal grain size abrupt changes, compositional variations, stratigraphic pinch-outs (overlap, underlap, and erosion), biogenic colony surfaces, etc. Figure 2 The interface features shown identify the stratigraphic boundaries of the black shale. Overlap is a geological phenomenon where a set of dipping strata successively overlaps an original sedimentary surface with a larger dip angle, moving upwards in the opposite direction. Underlap is a set of originally dipping strata overlapping a original horizontal or dipping surface at its base in the downdip direction. Cutting is the lateral disappearance of a stratum due to erosion. A biodistance surface refers to a bioturbation surface formed in a stratum where organisms live due to low or no sedimentation rates.
[0045] Step A3: Divide the shale into inner layers, specifically by dividing the shale into multiple single layers based on the layer boundaries.
[0046] Step A4: Identify the lamellar group interface. Specifically, within a single layer, identify the lamellar group interface based on the weak erosion characteristics of shale, the discontinuity of the shale composition structure, and the micro-sedimentary discontinuities.
[0047] Step A5, dividing the lamellar groups, specifically, dividing a single layer into a series of lamellar groups based on the lamellar group interface, requiring that the divided lamellar groups do not contain any other erosion surfaces or depositional discontinuities.
[0048] Optionally, the process of identifying the laminae that make up the laminae group includes: identifying the laminae interface within a single laminae group based on the presence of abrupt changes in shale grain size, color, arrangement, or mineral composition, and dividing the single laminae group into a series of laminae based on the laminae interface.
[0049] Step 102: Determine the laminar type, which is either mud laminar or silty laminar. This step helps to determine whether the corresponding laminar group is a typical laminar group of muddy, isodynamic sedimentary deposits based on the characteristics of the laminar type and the morphology of the laminar interface.
[0050] Optionally, the process of determining the texture type of the texture layer mentioned above includes: determining the texture layer as a mud texture layer or a silt texture layer based on the particle size range of the mud texture layer, the particle size range of the silt texture layer, and the particle size of the particles within the texture layer.
[0051] Specifically, the particle size ranges of the mud-textured layer and the silt-textured layer can be set based on empirical data or literature records. For example, the particle size range of the mud-textured layer can be set to (0, 32 μm), and the particle size range of the silt-textured layer can be set to [32 μm, 62.5 μm].
[0052] Specifically, the texture can also be identified as either a mud texture layer or a silt texture layer based on the color of the mud texture layer, the color of the silt texture layer, and the color of the particles within the texture layer.
[0053] Step 103: Based on the grain size variation characteristics, laminar type characteristics, and laminar interface morphology corresponding to the laminar group, determine whether the laminar group is a typical laminar group of argillaceous isocurrent deposits, and identify the shale sample as an argillaceous isocurrent deposit if the laminar group is a typical laminar group. This step, building upon steps 101 and 102, overcomes the shortcomings of relying on bioturbation characteristics to identify argillaceous isocurrents, enabling accurate and rapid identification of argillaceous isocurrents in shale without bioturbation characteristics.
[0054] Specifically, the above-mentioned typical texture groups include a first typical texture group and a second typical texture group. The texture characteristics of the first typical texture group are layered positive gradient textures carrying erosion surfaces and small cross layers, while the texture characteristics of the second typical texture group are interactive horizontal textures carrying small silt lenses.
[0055] Optionally, the process of determining whether a laminated group is a typical laminated group of silty, deep-flowing sediments based on the grain size variation characteristics, laminate type characteristics, and laminate interface morphology can include:
[0056] Based on the grain size variation characteristics, the quantity and location characteristics of laminar types, the laminar interface morphology of the bottom laminar layer, and the relationship between the laminar interface and the laminar group interface, it is determined whether the laminar group is a typical laminar group of muddy deep-flow sediments.
[0057] Optionally, the process of determining whether a laminated group is a typical laminated group of muddy, deep-flowing sediments based on the grain size variation characteristics, the quantity and location characteristics of laminate types, the laminate interface morphology of the bottom laminate layer, and the relationship between the laminate interface and the laminate group interface includes:
[0058] The grain size variation characteristics corresponding to the lamellar group are: gradually becoming finer from top to bottom; the lamellar type characteristics are: only including mud lamellar or silt lamellar, or including mud lamellar and silt lamellar but mud lamellar is located in the upper part and silt lamellar is located in the lower part; the lamellar interface morphology of the bottom layer is: irregular or uneven; and when the lamellar interface intersects with the lamellar group interface, the lamellar group is determined as the first typical lamellar group.
[0059] Optionally, the process of determining whether a laminated group is a typical laminated group of muddy, deep-flowing sediments based on the grain size variation characteristics, the quantity and location characteristics of laminate types, the laminate interface morphology of the bottom laminate layer, and the relationship between the laminate interface and the laminate group interface includes:
[0060] Step B1: Identify positive graded texture groups. Specifically, within a single texture group, identify positive graded texture groups based on whether there is a gradual change in grain size from coarse to fine from bottom to top.
[0061] Step B2, identifying the striations, specifically, within a single positively graded striation group, determining whether striations have developed based on whether the striation interfaces can be identified.
[0062] Step B3: Identify positive graded texture groups. Specifically, within a single positive graded texture group, if the texture is well-developed and the texture group consists entirely of silt textures from bottom to top, or entirely of mud textures, or the lower part consists of silt textures and the upper part consists of mud textures, then it is determined to be a layered positive graded texture group.
[0063] Step B4: Identify the erosion surface. Specifically, obtain the bottom interface of the layered positive gradient texture group. If the bottom interface is irregular or uneven, then the bottom interface is determined to be the erosion surface.
[0064] Step B5: Identify small cross-layers. Specifically, obtain the tangent relationship between the lamellar interface and the lamellar group interface of the lamellar pattern positive graded lamellar group. If the lamellar interface and the lamellar group interface intersect, it is determined that the lamellar pattern positive graded lamellar group has developed small cross-layers.
[0065] Step B6: Determine the first typical lamellar group. Specifically, when the lamellar group is a layered positive graded lamellar group and has developed erosion surfaces and small cross-layers, the lamellar group is determined as the first typical lamellar group.
[0066] Optionally, the process of determining whether a laminated group is a typical laminated group of silty, deep-flowing sediments based on the grain size variation characteristics, laminate type characteristics, and laminate interface morphology of the laminated group includes:
[0067] Based on the grain size variation characteristics, the quantity characteristics of lamination types, the location characteristics of lamination types, and the lamination interface morphology of silt laminations, it is determined whether the lamination group is a second typical lamination group of muddy isofluid deposits.
[0068] Optionally, the process of determining whether a laminated group is a second typical laminated group of muddy, deep-flowing sediments based on the grain size variation characteristics, the quantity characteristics of laminated types, the location characteristics of laminated types, and the laminated interface morphology of silt laminated groups includes:
[0069] The grain size variation characteristics corresponding to the lamellar group are: no gradual change; the lamellar type characteristics are: including mud lamellar and silt lamellar, with mud lamellar and silt lamellar alternating; the lamellar interface morphology of the silt lamellar is: when it is lenticular, the lamellar group is identified as the second typical lamellar group.
[0070] Optionally, the process of determining whether a laminated group is a second typical laminated group of muddy, deep-flowing sediments based on the grain size variation characteristics, the quantity characteristics of laminated types, the location characteristics of laminated types, and the laminated interface morphology of silt laminated groups includes:
[0071] Step C1: Identify interactive sand-mud interlacing texture groups. Specifically, within a single texture group, if mud texture and silt texture appear alternately, and there is no gradient characteristic in particle size from bottom to top, then it is identified as an interactive sand-mud interlacing texture group.
[0072] Step C2: Identify small silt lenses. Specifically, within the interactive sand-mud interfacial layer group, if the interface of the silt layer is lens-shaped, then a small silt lens is determined to have developed.
[0073] Step C3: Identify the second typical lamellar group. Specifically, if the shale is composed of an alternating sand-mud alternating lamellar group and has developed small silt lenses, then the shale is determined to be an alternating horizontal textured shale carrying small silt lenses.
[0074] Figure 3 This is a schematic flowchart of a method for establishing a muddy isocurrent sedimentary sequence according to an embodiment of the present invention. This embodiment is applicable to establishing a muddy isocurrent sedimentary sequence in the study area where the shale sample well is located, when a shale sample is identified as a muddy isocurrent deposit using the muddy isocurrent sedimentary identification method provided in any embodiment of the present invention. This method can be executed by a muddy isocurrent sedimentary sequence establishment device provided in this embodiment of the present invention, which can be implemented in software and / or hardware. In a specific embodiment, the device can be integrated into an electronic device, such as a computer or server. The following embodiments will illustrate this using the integration of the device into an electronic device as an example. (Reference) Figure 3 The method may specifically include the following steps:
[0075] Step 301: Determine the texture type of each typical lamellar set developed in the shale sample based on the corresponding texture features. This step facilitates the determination of the single-well vertical texture type sequence of muddy isofluvial deposits in the sampling well of the shale sample based on the texture type of each typical lamellar set.
[0076] Specifically, each typical texture group can be directly identified as the texture type corresponding to the corresponding texture feature.
[0077] Step 302: Determine the single-well vertical texture type sequence of silty isocurrent sediments in the sampling wells based on the texture type of each typical lamellar group. This step facilitates the establishment of silty isocurrent sedimentary sequence in the study area where the sampling well is located based on the single-well vertical texture type sequence.
[0078] Specifically, the vertical texture type sequence of a single well can be determined based on the distribution of texture types in a typical texture group.
[0079] Specifically, the texture type order of the sampling wells can be analyzed from bottom to top, and the vertical texture type sequence of a single sampling well can be drawn.
[0080] Step 303: Establish a muddy isocurrent sedimentary sequence based on the vertical texture type sequence of a single well. This step, building upon steps 301 and 302 and the muddy isocurrent sedimentary identification method provided in this embodiment, can accurately and rapidly establish a muddy isocurrent sedimentary sequence without requiring biologically dependent characteristics. This facilitates the accurate interpretation of the genetic mechanism of high-quality shale reservoirs and provides a basis for selecting favorable shale oil and gas areas.
[0081] Specifically, by comprehensively comparing and analyzing the single-well vertical texture sequences of all sampling wells within the study area where the shale sample wells are located, the sequence texture sequence corresponding to the muddy isocurrent sedimentary sequence in the study area can be obtained, and the corresponding muddy isocurrent sedimentary sequence can be determined based on the sequence texture sequence.
[0082] The following further describes the method for establishing muddy, deep-flowing sedimentary sequences provided by embodiments of the present invention, such as... Figure 4 As shown, that is Figure 3 Step 301 may include the following steps:
[0083] Step 3011: For each typical texture group, when the corresponding texture feature is a layered texture with erosion surface and small cross-layers, the texture type of the current typical texture group is determined to be a layered texture with positive gradient.
[0084] Step 3012: When the corresponding texture feature is an interactive horizontal texture carrying a small powder lens, determine the texture type of the current typical texture group based on the proportion of powder texture in the current typical texture group.
[0085] Specifically, when the corresponding texture feature is an interactive horizontal texture carrying small powder lenses, the texture type of the current typical texture group can be determined as an interactive horizontal texture.
[0086] Optionally, the process of determining the texture type of the current typical texture group based on the proportion of silty texture layers in the current typical texture group includes:
[0087] When the proportion of the sand texture layer is less than the first proportion threshold, the texture type of the current typical texture group is determined as a sparse interactive horizontal texture; when the proportion of the sand texture layer is not less than the first proportion threshold and not greater than the second proportion threshold, the texture type of the current typical texture group is determined as an alternating interactive horizontal texture; when the proportion of the sand texture layer is greater than the second proportion threshold, the texture type of the current typical texture group is determined as a dense interactive horizontal texture.
[0088] Specifically, the values of the first and second proportional thresholds can be set according to the application scenario. For example, the first proportional threshold can be selected in the range of [20%, 30%], and the second proportional threshold can be selected in the range of [70%, 80%].
[0089] The embodiments of the present invention enable the established sedimentary sequence to include more information, thereby facilitating a better explanation of the formation mechanism of high-quality shale reservoirs and providing a more reliable basis for selecting favorable shale oil and gas areas.
[0090] The following describes the method for establishing muddy, iso-deep current sedimentary sequence provided by the embodiments of the present invention.
[0091] Optionally, the aforementioned shale samples include multiple shale samples taken from multiple sampling wells.
[0092] Optional, such as Figure 5 As shown, that is Figure 3 Step 303 may include the following steps:
[0093] Step 3031: Determine the feature texture type sequence corresponding to each sampling well based on the single-well vertical texture type sequence corresponding to each sampling well, and determine the typical texture type sequence of the study area based on the feature texture type sequence corresponding to each sampling well.
[0094] Optionally, the process of determining the feature texture type sequence corresponding to each sampling well based on the single-well vertical texture type sequence of each sampling well includes:
[0095] Subsequence extraction and deduplication are performed on the single-well vertical texture type sequence corresponding to each sampling well to obtain the feature texture type sequence corresponding to each sampling well.
[0096] In an optional concrete instance, such as Figure 6 As shown, A represents layered positive gradient texture, B represents dense interactive horizontal texture, C represents alternating interactive horizontal texture, and D represents sparse interactive horizontal texture. After extracting and deduplicating the single-well vertical texture type sequences of wells 1, 2, 3, and 4 in image region a, the feature texture type sequences of wells 1, 2, 3, and 4 in image region b are obtained.
[0097] Optionally, the process of determining the typical texture type sequence of the study area based on the feature texture type sequence corresponding to each sampling well includes:
[0098] Based on the longest sequence in each feature texture type sequence and the adjacency relationship of texture types in each feature texture type sequence, the typical texture type sequence is determined.
[0099] In an optional specific instance, obtaining the distinct feature texture type sequences of wells 1, 2, 3, and 4 yields, as follows: Figure 6 The representative sequence shown in image region c; and obtain as follows: Figure 6 The longest sequence is represented among the various representative sequences shown in image region d; then, in a bottom-up order, other texture types (excluding those included in the longest sequence) that are adjacent to the texture types at each position in the longest sequence are queried from each representative sequence, and the queried texture types are added to the longest sequence based on the corresponding adjacency relationships, resulting in the following: Figure 6 The image region e shows a typical texture type sequence.
[0100] Step 3032: Establish a muddy iso-deep current sedimentary sequence based on typical texture type sequences.
[0101] Optionally, the process of establishing a muddy isocurrent sedimentary sequence based on typical texture type sequences includes:
[0102] Based on the typical texture type sequence, the texture types of each sequence constituting the argillaceous isocurrent sedimentary sequence are determined, and the relative positions of each sequence texture type in the argillaceous isocurrent sedimentary sequence are determined based on the typical texture type sequence. For each sequence texture type, the average thickness of each typical lamellar group of the current sequence texture type is calculated to obtain the vertical thickness of the current sequence texture type. Based on the proportion of silt lamellars in the corresponding typical lamellar group, the horizontal width of the current sequence texture type is determined. Based on the relative position, vertical thickness, and horizontal width of each sequence texture type, a schematic diagram of the argillaceous isocurrent sedimentary sequence is drawn.
[0103] Optionally, the process of determining the sequence texture types that make up the muddy isocurrent sedimentary sequence based on each texture type in the typical texture type sequence includes:
[0104] Each texture type in the typical texture type sequence is taken as the sequence texture type that makes up the muddy iso-current sedimentary sequence.
[0105] Optionally, the process of determining the sequence texture types that make up the muddy isocurrent sedimentary sequence based on the various texture types in the typical texture type sequence includes: supplementing and improving the typical texture type sequence based on Wald's law to obtain the various sequence texture types of the muddy isocurrent sedimentary sequence.
[0106] In an optional specific example, the process of determining the relative positions of each sequence texture type in a muddy isocurrent sedimentary sequence based on a typical texture type sequence includes: drawing a vertical straight line, and determining the distribution position of each texture type in the muddy isocurrent sedimentary sequence from bottom to top according to the distribution position of each texture type in the typical texture type sequence at a scale of 1:100.
[0107] In one optional specific instance, the process of determining the horizontal width of the current sequence texture type based on the proportion of silty texture layers in the corresponding typical texture group includes:
[0108] When the proportion of silt-like texture layers is large in the corresponding typical texture group, the horizontal width of the current sequence texture type is determined to be a larger width; when the horizontal width of the current sequence texture type is small, the horizontal width of the current sequence texture type is determined to be a smaller width.
[0109] In an optional specific example, the process of drawing a schematic diagram of a muddy, deep-flowing sedimentary sequence based on the relative position, vertical thickness, and horizontal width of each sequence texture type includes:
[0110] Based on the relative positions, vertical thicknesses, and horizontal widths of the various sequence texture types mentioned above, schematic diagrams of each texture type were drawn, resulting in a schematic diagram of a muddy, isodynamic sedimentary sequence including seven texture type segments from M1 to M7. The texture types are, in order, sparse interactive horizontal texture, interspersed interactive horizontal texture, dense interactive horizontal texture, layered positive gradient texture, dense interactive horizontal texture, interspersed interactive horizontal texture, and sparse interactive horizontal texture. (See attached diagram.) Figure 7 As shown.
[0111] Specifically, analysis Figure 7 As shown in the schematic diagram of the muddy isocurrent sedimentary sequence, the muddy isocurrent sediments in the corresponding study area exhibit a bidirectional gradient from bottom to top. From sequence M1 to M4, the grain size gradually increases, showing an inverse gradient; from sequence M4 to M7, the grain size gradually decreases, showing a positive gradient.
[0112] The embodiments of the present invention can facilitate the establishment of complete muddy isocurrent sedimentary sequences, thereby enabling more accurate establishment of muddy isocurrent sedimentary sequences and more accurate explanation of the formation mechanism of high-quality shale reservoirs.
[0113] Figure 8 This is a structural diagram of a muddy, isocurrent sediment identification device provided in an embodiment of the present invention. This device is suitable for executing the muddy, isocurrent sediment identification method provided in an embodiment of the present invention. Figure 8 As shown, the device may specifically include:
[0114] The laminar set and laminar set identification module 801 is used to identify the laminar sets that make up the shale sample and the laminae that make up the laminar sets. This module can help determine the laminar set type and, based on the grain size variation characteristics, laminar set type characteristics, and laminar interface morphology, determine whether the laminar set is a typical laminar set of muddy or other deep-flowing sediments.
[0115] The laminar type determination module 802 is used to determine the laminar type of the laminar layer, which can be either mud laminar or silty laminar. This module is useful for determining whether a corresponding laminar group is a typical laminar group of muddy isocurrent deposits based on the characteristics of the laminar type and the morphology of the laminar interface.
[0116] Optionally, the texture type determination module 802 can be specifically used to determine the texture as a mud texture or a silt texture based on the particle size range of the mud texture, the particle size range of the silt texture, and the particle size of the particles within the texture.
[0117] The argillaceous isocurrent sediment identification module 803 is used to determine whether a laminar set is a typical laminar set of argillaceous isocurrent sediments based on the grain size variation characteristics, laminar type characteristics, and laminar interface morphology corresponding to the laminar set. When the laminar set is a typical laminar set, the shale sample is identified as an argillaceous isocurrent sediment. This module, combined with modules 801 and 802, overcomes the shortcomings of relying on bioturbation characteristics to identify argillaceous isocurrents, enabling accurate and rapid identification of argillaceous isocurrents in shale without bioturbation characteristics.
[0118] Specifically, the typical lamellar groups include the first typical lamellar group and the second typical lamellar group. The texture characteristics of the first typical lamellar group are layered positive gradient textures carrying erosion surfaces and small cross-layers, while the texture characteristics of the second typical lamellar group are interactive horizontal textures carrying small silt lenses.
[0119] Optionally, the aforementioned muddy isothermal sediment determination module 803 can be specifically used to determine the first typical laminar group when the grain size variation characteristics of the laminar group are: gradually finer from top to bottom; the laminar type characteristics are: only mud laminar or silt laminar, or include mud laminar and silt laminar but mud laminar is located in the upper part and silt laminar is located in the lower part; the laminar interface morphology of the bottom layer is: irregular or uneven; and the laminar interface intersects with the laminar group interface.
[0120] Optionally, the above-mentioned muddy current sediment determination module 803 can be specifically used to determine the second typical laminar group when the grain size variation characteristics corresponding to the laminar group are: no gradual change; the laminar type characteristics are: including mud laminar and silt laminar with alternating mud laminar and silt laminar appearing; and the laminar interface morphology of the silt laminar is: lenticular.
[0121] Figure 9 This is a structural diagram of a muddy isocurrent sedimentary sequence establishment device provided in an embodiment of the present invention. This device is suitable for executing the muddy isocurrent sedimentary sequence establishment method provided in an embodiment of the present invention, and is used to establish a muddy isocurrent sedimentary sequence in the study area where the shale sample well is located when a shale sample is identified as a muddy isocurrent deposit by any muddy isocurrent sedimentary identification method in an embodiment of the present invention. Figure 9 As shown, the device may specifically include:
[0122] The lamellar group texture type determination module 901 is used to determine the texture type of each typical lamellar group developed in the shale sample based on corresponding texture features. This module can facilitate the determination of the single-well vertical texture type sequence of muddy isofluvial deposits in the sampling well of the shale sample based on the texture type of each typical lamellar group.
[0123] Optionally, the texture type determination module 901 of the above-mentioned texture group can be specifically used to determine the texture type of the current typical texture group as a layered positive gradient texture when the corresponding texture feature is a layered positive gradient texture carrying an erosion surface and a small cross layer.
[0124] When the corresponding texture feature is an interactive horizontal texture carrying a small powder lens, the texture type of the current typical texture group is determined based on the proportion of powder texture in the current typical texture group.
[0125] Optionally, the texture type determination module 901 of the above-mentioned texture group can be specifically used to determine the texture type of the current typical texture group as a sparse interactive horizontal texture when the proportion of the sand texture is less than the first proportion threshold.
[0126] When the proportion of the sand texture layer is not less than the first proportion threshold and not greater than the second proportion threshold, the texture type of the current typical texture layer group is determined as an alternating horizontal texture.
[0127] When the proportion of the sand texture layer is greater than the second proportion threshold, the texture type of the current typical texture group is determined as a tight interactive horizontal texture.
[0128] The single-well vertical texture type sequence determination module 902 determines the single-well vertical texture type sequence of silty isodynamic sediments in the sampling well based on the texture types of each typical laminar group. This module facilitates the establishment of silty isodynamic sedimentary sequences in the study area where the sampling well is located based on the single-well vertical texture type sequence.
[0129] Specifically, the vertical texture type sequence of a single well can be determined based on the distribution of texture types in a typical texture group.
[0130] Specifically, the texture type order of the sampling wells can be analyzed from bottom to top, and the vertical texture type sequence of a single sampling well can be drawn.
[0131] Optionally, the shale samples in this embodiment of the invention include multiple shale samples taken from multiple sampling wells.
[0132] The Module 903 for Establishing Muddy Isofluid Sequence Strata is used to establish muddy isofluid sequence stratigraphy based on the vertical texture type sequence of a single well. Combined with Modules 901 and 902, this module can accurately and rapidly establish muddy isofluid sequence stratigraphy without requiring biologically dependent features. This facilitates the accurate interpretation of the genetic mechanisms of high-quality shale reservoirs and provides a basis for selecting favorable shale oil and gas areas.
[0133] Optionally, the aforementioned muddy, deep-flow sedimentary sequence establishment module 903 can be specifically used to determine the characteristic texture type sequence corresponding to each sampling well based on the single-well vertical texture type sequence corresponding to each sampling well, and to determine the typical texture type sequence of the study area based on the characteristic texture type sequence corresponding to each sampling well; and
[0134] A sequence of muddy, iso-deep current sedimentary layers was established based on typical texture type sequences.
[0135] Optionally, the aforementioned muddy, deep-flow sedimentary sequence establishment module 903 can be specifically used to extract and deduplicate subsequences from the vertical texture type sequences of each sampling well, thereby obtaining the characteristic texture type sequences corresponding to each sampling well; and
[0136] Based on the longest sequence in each feature texture type sequence and the adjacency relationship of texture types in each feature texture type sequence, the typical texture type sequence is determined.
[0137] Optionally, the above-mentioned muddy isocurrent sedimentary sequence establishment module 903 can be specifically used to determine each sequence texture type that makes up the muddy isocurrent sedimentary sequence based on each texture type in the typical texture type sequence, and to determine the relative position of each sequence texture type in the muddy isocurrent sedimentary sequence based on the typical texture type sequence.
[0138] For each sequence texture type, the average thickness of each typical texture group of the current sequence texture type is calculated to obtain the vertical thickness of the current sequence texture type;
[0139] Based on the proportion of silty texture layers in the corresponding typical texture groups, determine the horizontal width of the current sequence texture type; and
[0140] Based on the relative position, vertical thickness, and horizontal width of each sequence texture type, a schematic diagram of muddy and other deep-flow sedimentary sequences is drawn.
[0141] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of functional modules is merely an example. In practical applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above. The specific working process of the functional modules described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.
[0142] This invention also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the program, it implements the muddy isocurrent sediment identification method or the muddy isocurrent sedimentary sequence establishment method provided in any of the above embodiments.
[0143] This invention also provides a computer-readable medium storing a computer program thereon, which, when executed by a processor, implements the muddy isocurrent sediment identification method or the muddy isocurrent sediment sequence establishment method provided in any of the above embodiments.
[0144] This invention also provides a computer program product, including a computer program that, when executed by a processor, implements the muddy isocurrent sediment identification method or the muddy isocurrent sediment sequence establishment method as described in any of the embodiments of this invention.
[0145] The following is for reference. Figure 10 It shows a schematic diagram of the structure of a computer system 1000 suitable for implementing an electronic device according to embodiments of the present invention. Figure 10 The electronic device shown is merely an example and should not be construed as limiting the functionality and scope of use of the embodiments of the present invention.
[0146] like Figure 10 As shown, the computer system 1000 includes a central processing unit (CPU) 1001, which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM) 1002 or a program loaded from a storage section 1008 into a random access memory (RAM) 1003. The RAM 1003 also stores various programs and data required for the operation of the system 1000. The CPU 1001, ROM 1002, and RAM 1003 are interconnected via a bus 1004. An input / output (I / O) interface 1005 is also connected to the bus 1004.
[0147] The following components are connected to I / O interface 1005: an input section 1006 including a keyboard, mouse, etc.; an output section 1007 including a cathode ray tube (CRT), liquid crystal display (LCD), etc., and speakers, etc.; a storage section 1008 including a hard disk, etc.; and a communication section 1009 including a network interface card such as a LAN card, modem, etc. The communication section 1009 performs communication processing via a network such as the Internet. A drive 1010 is also connected to I / O interface 1005 as needed. A removable medium 1011, such as a disk, optical disk, magneto-optical disk, semiconductor memory, etc., is installed on drive 1010 as needed so that computer programs read from it can be installed into storage section 1008 as needed.
[0148] In particular, according to the embodiments disclosed in this invention, the processes described above with reference to the flowcharts can be implemented as computer software programs. For example, embodiments disclosed in this invention include a computer program product comprising a computer program carried on a computer-readable medium, the computer program containing program code for performing the methods shown in the flowcharts. In such embodiments, the computer program can be downloaded and installed from a network via communication section 1009, and / or installed from removable medium 1011. When the computer program is executed by central processing unit (CPU) 1001, it performs the functions defined in the system of this invention.
[0149] It should be noted that the computer-readable medium shown in this invention can be a computer-readable signal medium or a computer-readable storage medium, or any combination thereof. A computer-readable storage medium can be, for example,—but not limited to—an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples of a computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer disk, a hard disk, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination thereof. In this invention, a computer-readable storage medium can be any tangible medium containing or storing a program that can be used by or in conjunction with an instruction execution system, apparatus, or device. In this invention, a computer-readable signal medium can include a data signal propagated in baseband or as part of a carrier wave, carrying computer-readable program code. Such propagated data signals can take various forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination thereof. Computer-readable signal media can also be any computer-readable medium other than computer-readable storage media, which can send, propagate, or transmit a program for use by or in connection with an instruction execution system, apparatus, or device. The program code contained on the computer-readable medium can be transmitted using any suitable medium, including but not limited to: wireless, wire, optical fiber, RF, etc., or any suitable combination thereof.
[0150] The flowcharts and block diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of systems, methods, and computer program products according to various embodiments of the present invention. In this regard, each block in a flowchart or block diagram may represent a module, segment, or portion of code containing one or more executable instructions for implementing a specified logical function. It should also be noted that in some alternative implementations, the functions indicated in the blocks may occur in a different order than those indicated in the drawings. For example, two consecutively indicated blocks may actually be executed substantially in parallel, and they may sometimes be executed in reverse order, depending on the functions involved. It should also be noted that each block in a block diagram or flowchart, and combinations of blocks in a block diagram or flowchart, may be implemented using a dedicated hardware-based system that performs the specified function or operation, or using a combination of dedicated hardware and computer instructions.
[0151] The modules and / or units described in the embodiments of the present invention can be implemented in software or hardware. The described modules and / or units can also be housed in a processor; for example, a processor can be described as including a lamellar group and lamellar identification module, a lamellar type determination module, and a deep-flow deposition determination module (such as silty deposits). The names of these modules do not necessarily limit the module itself.
[0152] In another aspect, the present invention also provides a computer-readable medium, which may be included in the device described in the above embodiments; or it may exist independently and not assembled into the device. The computer-readable medium carries one or more programs, which, when executed by the device, cause the device to: identify the lamellar groups comprising a shale sample and the lamellars comprising the lamellar groups; determine the lamellar type of the lamellars, wherein the lamellar type is a mud lamellar or a silt lamellar; and, based on the grain size variation characteristics corresponding to the lamellar group, the characteristics of the lamellar type, and the lamellar interface morphology, determine whether the lamellar group is a typical lamellar group of muddy isodynamic sedimentary deposits, and identify the shale sample as a muddy isodynamic sedimentary deposit when the lamellar group is the typical lamellar group; wherein, the typical lamellar group is a typical lamellar group of muddy isodynamic sedimentary deposits; The laminar formation includes a first typical laminar formation and a second typical laminar formation. The texture characteristics of the first typical laminar formation are a layered positive gradient texture carrying erosion surfaces and small cross-layers, while the texture characteristics of the second typical laminar formation are an interactive horizontal texture carrying small silt lenses. This enables the device to determine the texture type of each typical laminar formation developed in the shale sample based on the corresponding texture characteristics; determine the single-well vertical texture type sequence of silty isobathrous deposits in the sampling well based on the texture type of each typical laminar formation; and establish the silty isobathrous deposit sequence based on the single-well vertical texture type sequence.
[0153] The specific embodiments described above do not constitute a limitation on the scope of protection of this invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can occur depending on design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this invention should be included within the scope of protection of this invention.
Claims
1. A method for identifying muddy, deep-flowing sediments, characterized in that, include: Identify the lamellar groups that make up the shale sample and the lamellar groups that make up the lamellar groups; Determine the texture type of the texture layer, which is either a mud texture layer or a silt texture layer; as well as Based on the grain size variation characteristics, laminar type characteristics, and laminar interface morphology corresponding to the laminar group, it is determined whether the laminar group is a typical laminar group of argillaceous isocurrent deposits, and when the laminar group is the typical laminar group, the shale sample is identified as argillaceous isocurrent deposits. The typical texture group includes a first typical texture group and a second typical texture group. The texture feature of the first typical texture group is a layered positive gradient texture carrying erosion surfaces and small cross layers. The texture feature of the second typical texture group is an interactive horizontal texture carrying small powder lenses.
2. The method for identifying muddy, deep-flowing sediments according to claim 1, characterized in that, The determination of whether a laminar group is a typical laminar group of silty, deep-flowing sedimentary deposits based on the grain size variation characteristics, laminar type characteristics, and laminar interface morphology of the laminar group includes: The particle size variation characteristic corresponding to the texture group is: gradually becoming finer from top to bottom; the texture type characteristic is: only including mud texture layer or silt texture layer, or including mud texture layer and silt texture layer but mud texture layer is located in the upper part and silt texture layer is located in the lower part; the texture interface morphology of the bottom texture layer is: irregular or uneven; and when the texture interface intersects with the texture group interface, the texture group is determined as the first typical texture group.
3. The method for identifying muddy, deep-flowing sediments according to claim 1, characterized in that, The determination of whether a laminar group is a typical laminar group of silty, deep-flowing sedimentary deposits based on the grain size variation characteristics, laminar type characteristics, and laminar interface morphology of the laminar group includes: The particle size variation characteristic corresponding to the texture group is: no gradual change; the texture type is characterized by including mud texture and silt texture with alternating mud texture and silt texture; the texture interface morphology of the silt texture is: when it is lenticular, the texture group is determined as the second typical texture group.
4. The method for identifying muddy, equal-depth current sediments according to claim 1, characterized in that, Determining the texture type of the texture includes: The texture is determined to be either the mud texture or the silt texture based on the particle size range of the mud texture layer, the particle size range of the silt texture layer, and the particle size of the particles within the texture layer.
5. A method for establishing a muddy isobathry sedimentary sequence, used to establish a muddy isobathry sedimentary sequence in the study area where the sampling well of the shale sample is located when the shale sample is identified as muddy isobathry sediment by any one of the muddy isobathry sedimentary identification methods as described in claims 1 to 4, characterized in that, include: The texture type of each typical lamellar group developed in the shale sample is determined based on the corresponding texture features; The single-well vertical texture type sequence of silty isodynamic sediments in the sampling wells was determined based on the texture types of each typical lamellar group; and The muddy iso-deep current sedimentary sequence is established based on the single-well longitudinal texture type sequence.
6. The method for establishing a sequence of muddy, iso-deep current sedimentary layers according to claim 5, characterized in that, The process of determining the texture type of each typical lamellar set developed in the shale sample based on corresponding texture features includes: For each typical lamellar group, when the corresponding texture feature is a layered positive gradient texture carrying erosion surface and small cross-layer, the texture type of the current typical lamellar group is determined as a layered positive gradient texture. When the corresponding texture feature is an interactive horizontal texture carrying a small powder lens, the texture type of the current typical texture group is determined based on the proportion of powder texture in the current typical texture group.
7. The method for establishing a sequence of muddy, iso-deep current sedimentary layers according to claim 6, characterized in that, The determination of the texture type of the current typical texture group based on the proportion of sandy texture layers in the current typical texture group includes: When the proportion of the sand texture layer is less than the first proportion threshold, the texture type of the current typical texture group is determined as a sparse interactive horizontal texture. When the proportion of the sand texture layer is not less than the first proportion threshold and not greater than the second proportion threshold, the texture type of the current typical texture layer group is determined as an alternating horizontal texture. When the proportion of the sand texture layer is greater than the second proportion threshold, the texture type of the current typical texture group is determined as a tight interactive horizontal texture.
8. The method for establishing a sequence of muddy, iso-deep current sedimentary layers according to claim 5, characterized in that, The shale samples include multiple shale samples taken from multiple sampling wells; The establishment of the muddy isobathry sedimentary sequence based on the single-well vertical texture type sequence includes: Based on the single-well vertical texture type sequence corresponding to each sampling well, the characteristic texture type sequence corresponding to each sampling well is determined, and based on the characteristic texture type sequence corresponding to each sampling well, the typical texture type sequence of the study area is determined; and The muddy iso-current sedimentary sequence is established based on the typical texture type sequence.
9. The method for establishing a sequence of muddy, iso-deep current sedimentary layers according to claim 8, characterized in that, The process of determining the characteristic texture type sequence corresponding to each sampling well based on the single-well vertical texture type sequence, and determining the typical texture type sequence of the study area based on the characteristic texture type sequence corresponding to each sampling well, includes: Subsequence extraction and deduplication are performed on the single-well vertical texture type sequence corresponding to each sampling well to obtain the feature texture type sequence corresponding to each sampling well; and The typical texture type sequence is determined based on the longest sequence in each feature texture type sequence and the adjacency relationship of texture types in each feature texture type sequence.
10. The method for establishing a sequence of muddy, iso-deep current sedimentary layers according to claim 8, characterized in that, The establishment of the muddy isobathry sedimentary sequence based on the typical texture type sequence includes: Based on each texture type in the typical texture type sequence, determine each sequence texture type that makes up the muddy isocurrent sedimentary sequence, and determine the relative position of each sequence texture type in the muddy isocurrent sedimentary sequence based on the typical texture type sequence. For each sequence texture type, the average thickness of each typical texture group of the current sequence texture type is calculated to obtain the vertical thickness of the current sequence texture type; Based on the proportion of silty texture layers in the corresponding typical texture groups, determine the horizontal width of the current sequence texture type; and Based on the relative position, vertical thickness, and horizontal width of each sequence texture type, a schematic diagram of the muddy isocurrent sedimentary sequence is drawn.
11. A device for identifying muddy, deep-flowing sediments, characterized in that, include: A laminar group and a laminar recognition module are used to identify the laminar group that makes up the shale sample and the laminar layers that make up the laminar group; A texture type determination module is used to determine the texture type of the texture, wherein the texture type is a mud texture or a silt texture. as well as The muddy isocurrent sediment determination module is used to determine whether the laminated group is a typical laminated group of muddy isocurrent sediments based on the grain size variation characteristics, laminated type characteristics, and laminated interface morphology of the laminated group, and to identify the shale sample as muddy isocurrent sediment when the laminated group is the typical laminated group. The typical texture group includes a first typical texture group and a second typical texture group. The texture feature of the first typical texture group is a layered positive gradient texture carrying erosion surfaces and small cross layers. The texture feature of the second typical texture group is an interactive horizontal texture carrying small powder lenses.
12. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the program, it implements the muddy isocurrent sediment identification method as described in any one of claims 1 to 4, or the muddy isocurrent sedimentary sequence establishment method as described in any one of claims 5 to 10.
13. A computer-readable storage medium having a computer program stored thereon, characterized in that, When executed by a processor, this program implements the method for identifying muddy, isocurrent sediments as described in any one of claims 1 to 4, or the method for establishing muddy, isocurrent sedimentary sequence as described in any one of claims 5 to 10.
14. A computer program product comprising a computer program that, when executed by a processor, implements the method for identifying muddy isocurrent sediments according to any one of claims 1 to 4, or implements the method for establishing muddy isocurrent sedimentary sequence as described in any one of claims 5 to 10.