CN114428089B - Clay hydrocarbon source rock classification rock type evaluation method and device, electronic equipment and medium - Google Patents
Clay hydrocarbon source rock classification rock type evaluation method and device, electronic equipment and medium Download PDFInfo
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- 239000011435 rock Substances 0.000 title claims abstract description 311
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- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 136
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- 238000011156 evaluation Methods 0.000 title claims abstract description 90
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- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 24
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- 238000000034 method Methods 0.000 claims abstract description 21
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- 238000005070 sampling Methods 0.000 description 6
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Abstract
Disclosed are a method, a device, electronic equipment and a medium for evaluating the type of shale hydrocarbon source rock. The method may include: carrying out mineral composition measurement on target hydrocarbon source rock, and determining the rock type of the target hydrocarbon source rock; determining thickness evaluation indexes of different rock types of hydrocarbon source rocks; determining the evaluation indexes of organic matters of different rock types of hydrocarbon source rocks; acquiring the evaluation index plane distribution characteristics of the hydrocarbon source rocks of different rock types; and comprehensively evaluating the argillaceous hydrocarbon source rocks of different rock types by evaluating the plane distribution characteristics of the indexes. According to the invention, through respectively carrying out evaluation on the argillaceous hydrocarbon source rocks of different rock types, the invention provides basis for finely describing the heterogeneity of the hydrocarbon source rock types and accurately evaluating the characteristics and scale of the hydrocarbon source rocks, thereby providing help for efficient oil and gas exploration, and has a certain application value in the petroleum exploration and development fields such as oil and gas resource evaluation, unconventional oil and gas exploration and the like.
Description
Technical Field
The invention relates to the field of petroleum exploration and development, in particular to a method, a device, electronic equipment and a medium for evaluating the type of shale hydrocarbon source rock.
Background
A large number of oil and gas exploration practices and oil and gas hydrocarbon formation and reservoir theoretical researches at home and abroad show that development of high-quality hydrocarbon source rocks in a basin is one of the necessary conditions for forming large and medium-sized oil and gas fields, and fine evaluation of the hydrocarbon source rocks is one of important means for defining basin exploration potential. At present, the evaluation of the shale hydrocarbon source rock is mainly completed through conventional evaluation indexes of the hydrocarbon source rock such as organic matter abundance, organic matter type, organic matter maturity, hydrocarbon source rock development scale and the like. However, there is a strong heterogeneity in the source rock, and there is a change in the calcareous, siliceous and clay minerals within the same set of source rock. The different lithology and mineral composition can also have an important impact on hydrocarbon source rock evaluation and resource prediction. Research shows that the hydrocarbon generation and removal efficiency of hydrocarbon source rocks of different rock types are also different due to the difference of the influence of different mineral combinations on the adsorptivity of soluble organic matters, the rock brittleness and toughness and the development degree of microcracks, and the hydrocarbon generation and removal efficiency is mainly shown by obvious difference of oil removal efficiency and oil removal amount in early-middle maturation. Therefore, the rock type is necessary to be used as a hydrocarbon source rock evaluation index, which has important significance for finely characterizing the hydrocarbon source rock.
However, the current exploration practice and research often neglects the heterogeneity of rock types in the argillaceous source rock, and usually a set of source rock layers is used as a rock type to evaluate, which tends to cause that the evaluation result is difficult to accurately reflect the overall characteristics and scale of the source rock layers.
Therefore, there is a need to develop a method, apparatus, electronic device and medium for evaluating the type of shale source rock fraction.
The information disclosed in the background section of the invention is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention provides a method, a device, electronic equipment and a medium for evaluating the types of shale hydrocarbon source rocks, which can be used for providing basis for finely describing the heterogeneity of the types of hydrocarbon source rocks and accurately evaluating the characteristics and scale of the hydrocarbon source rocks by respectively carrying out evaluation on the shale hydrocarbon source rocks of different rock types, further providing help for efficient oil and gas exploration, and has a certain application value in the petroleum exploration and development fields such as oil and gas resource evaluation, unconventional oil and gas exploration and the like.
In a first aspect, an embodiment of the present disclosure provides a method for evaluating a shale hydrocarbon source rock classification rock type, including:
carrying out mineral composition measurement on target hydrocarbon source rocks, and determining the rock types of the target hydrocarbon source rocks;
determining thickness evaluation indexes of different rock types of hydrocarbon source rocks;
determining the evaluation indexes of organic matters of different rock types of hydrocarbon source rocks;
acquiring the evaluation index plane distribution characteristics of the hydrocarbon source rocks of different rock types;
comprehensively evaluating the argillaceous hydrocarbon source rocks of different rock types through the evaluation index plane distribution characteristics.
Preferably, the mineral composition assay comprises: all-rock X-ray diffraction analysis, element logging, observation under a thin-film mirror and hand-held X-ray fluorescence spectrometer analysis.
Preferably, the rock types include siliceous source rock, calcareous source rock, and clay source rock.
Preferably, the organic matter evaluation index includes: organic matter abundance, organic matter type, organic matter maturity.
Preferably, the evaluation index plane distribution feature includes: the thickness plane distribution, the organic matter abundance plane distribution, the organic matter type plane distribution and the organic matter maturity plane distribution of different rock types of hydrocarbon source rocks.
As a specific implementation of an embodiment of the present disclosure,
in a second aspect, an embodiment of the present disclosure further provides an apparatus for evaluating a type of shale hydrocarbon source rock, including:
the determination module is used for carrying out mineral composition determination on target hydrocarbon source rocks and determining the rock types of the target hydrocarbon source rocks;
the thickness evaluation module is used for determining thickness evaluation indexes of the hydrocarbon source rocks of different rock types;
the organic matter evaluation module is used for determining organic matter evaluation indexes of different rock types of hydrocarbon source rocks;
the plane distribution characteristic acquisition module is used for acquiring the evaluation index plane distribution characteristics of the hydrocarbon source rocks of different rock types;
and the evaluation module is used for comprehensively evaluating the argillaceous hydrocarbon source rocks of different rock types through the evaluation index plane distribution characteristics.
Preferably, the mineral composition assay comprises: all-rock X-ray diffraction analysis, element logging, observation under a thin-film mirror and hand-held X-ray fluorescence spectrometer analysis.
Preferably, the rock types include siliceous source rock, calcareous source rock, and clay source rock.
Preferably, the organic matter evaluation index includes: organic matter abundance, organic matter type, organic matter maturity.
Preferably, the evaluation index plane distribution feature includes: the thickness plane distribution, the organic matter abundance plane distribution, the organic matter type plane distribution and the organic matter maturity plane distribution of different rock types of hydrocarbon source rocks.
In a third aspect, embodiments of the present disclosure further provide an electronic device, including:
a memory storing executable instructions;
and the processor runs the executable instructions in the memory to realize the evaluation method of the shale hydrocarbon source rock type.
In a fourth aspect, the disclosed embodiments also provide a computer readable storage medium storing a computer program which, when executed by a processor, implements the method of argillaceous source rock fraction type evaluation.
The method and apparatus of the present invention have other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the present invention.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
FIG. 1 shows a flow chart of the steps of a method for evaluating the type of shale source rock fraction according to one embodiment of the invention.
FIG. 2 shows a schematic representation of a target argillaceous source rock sample feature according to one embodiment of the invention.
FIG. 3 shows a schematic representation of a target argillaceous source rock sample plane distribution profile according to one embodiment of the invention.
FIG. 4 shows a schematic representation of planar distribution characteristics of source rock thickness indicators of different rock types according to one embodiment of the invention.
FIG. 5 shows a schematic representation of planar distribution characteristics of organic matter abundance indicators for different rock types of hydrocarbon source rock in accordance with an embodiment of the invention.
FIG. 6 shows a schematic representation of planar distribution characteristics of different rock type source rock organic matter type indicators according to one embodiment of the invention.
FIG. 7 shows a schematic representation of planar distribution characteristics of hydrocarbon source rock organic matter maturity indicators of different rock types, according to one embodiment of the invention.
Fig. 8 shows a schematic diagram of an evaluation index planar distribution feature according to an embodiment of the present invention.
Fig. 9 shows a block diagram of a shale source rock fraction evaluation apparatus according to an embodiment of the invention.
Reference numerals illustrate:
201. a measurement module; 202. a thickness evaluation module; 203. an organic matter evaluation module; 204. the method comprises the steps of carrying out a first treatment on the surface of the 205. And an evaluation module.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein.
The invention provides a method for evaluating the type of shale hydrocarbon source rock, which comprises the following steps:
carrying out mineral composition measurement on target hydrocarbon source rock, and determining the rock type of the target hydrocarbon source rock; in one example, the mineral composition determination comprises: all-rock X-ray diffraction analysis, element logging, observation under a thin-film mirror and hand-held X-ray fluorescence spectrometer analysis. In one example, the rock types include siliceous source rock, calcareous source rock, clay source rock.
Specifically, acquiring target argillaceous hydrocarbon source rocks, selecting drilling core, rock cuttings or outcrop rock samples capable of reflecting development characteristic densities of the hydrocarbon source rocks in a work area, and recording sampling positions; the mineral composition of the source rock sample is determined by means of X-diffraction analysis, element logging, microscopic observation and the like, and rock types are divided according to the mineral composition, wherein the rock types comprise siliceous source rock, calcareous source rock and clay source rock.
And determining thickness evaluation indexes of the hydrocarbon source rocks of different rock types.
Specifically, the thickness of different types of argillaceous hydrocarbon source rocks in the well or profile is calculated.
Determining the evaluation indexes of organic matters of different rock types of hydrocarbon source rocks; in one example, the organic matter evaluation index includes: organic matter abundance, organic matter type, organic matter maturity.
Specifically, obtaining the organic matter abundance of the argillaceous hydrocarbon source rocks with different drilling or profile types through the means of total organic carbon measurement, rock pyrolysis, chloroform asphalt 'A', and the like; obtaining the types of organic matters of the argillaceous hydrocarbon source rocks with different drilling or profile by means of kerogen microscopy, organic petrography, kerogen carbon isotopes, kerogen elements, rock pyrolysis and the like; the organic matter maturity of the argillaceous hydrocarbon source rocks with different drilling or profile types is obtained through means of the reflectivity of the vitrinite, rock pyrolysis and the like.
Acquiring the evaluation index plane distribution characteristics of the hydrocarbon source rocks of different rock types; in one example, the evaluation index plane distribution feature includes: the thickness plane distribution, the organic matter abundance plane distribution, the organic matter type plane distribution and the organic matter maturity plane distribution of different rock types of hydrocarbon source rocks.
Specifically, geographical coordinates of a target hydrocarbon source rock sampling drilling well and a section of a work area are obtained and projected onto a plane diagram, and the obtained thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index of different rock types of hydrocarbon source rocks are projected onto the plane diagram, and an auxiliary drawing software and the like are utilized to form a contour map of the thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index of different rock types of hydrocarbon source rocks by combining geological reality.
And comprehensively evaluating the argillaceous hydrocarbon source rocks of different rock types by evaluating the plane distribution characteristics of the indexes.
Specifically, the thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index distribution characteristics of the hydrocarbon source rocks of different rock types are synthesized, the evaluation classification standards of the hydrocarbon source rock thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index are established, and the comprehensive evaluation grades of the hydrocarbon source rocks of different rock types are divided.
The invention also provides a device for evaluating the type of the shale hydrocarbon source rock, which comprises the following components:
the determination module is used for carrying out mineral composition determination on the target hydrocarbon source rock and determining the rock type of the target hydrocarbon source rock; in one example, the mineral composition determination comprises: all-rock X-ray diffraction analysis, element logging, observation under a thin-film mirror and hand-held X-ray fluorescence spectrometer analysis. In one example, the rock types include siliceous source rock, calcareous source rock, clay source rock.
Specifically, acquiring target argillaceous hydrocarbon source rocks, selecting drilling core, rock cuttings or outcrop rock samples capable of reflecting development characteristic densities of the hydrocarbon source rocks in a work area, and recording sampling positions; the mineral composition of the source rock sample is determined by means of X-diffraction analysis, element logging, microscopic observation and the like, and rock types are divided according to the mineral composition, wherein the rock types comprise siliceous source rock, calcareous source rock and clay source rock.
And the thickness evaluation module is used for determining thickness evaluation indexes of the hydrocarbon source rocks of different rock types.
Specifically, the thickness of different types of argillaceous hydrocarbon source rocks in the well or profile is calculated.
The organic matter evaluation module is used for determining organic matter evaluation indexes of different rock types of hydrocarbon source rocks; in one example, the organic matter evaluation index includes: organic matter abundance, organic matter type, organic matter maturity.
Specifically, obtaining the organic matter abundance of the argillaceous hydrocarbon source rocks with different drilling or profile types through the means of total organic carbon measurement, rock pyrolysis, chloroform asphalt 'A', and the like; obtaining the types of organic matters of the argillaceous hydrocarbon source rocks with different drilling or profile by means of kerogen microscopy, organic petrography, kerogen carbon isotopes, kerogen elements, rock pyrolysis and the like; the organic matter maturity of the argillaceous hydrocarbon source rocks with different drilling or profile types is obtained through means of the reflectivity of the vitrinite, rock pyrolysis and the like.
The plane distribution characteristic acquisition module is used for acquiring the evaluation index plane distribution characteristics of the hydrocarbon source rocks of different rock types; in one example, the evaluation index plane distribution feature includes: the thickness plane distribution, the organic matter abundance plane distribution, the organic matter type plane distribution and the organic matter maturity plane distribution of different rock types of hydrocarbon source rocks.
Specifically, geographical coordinates of a target hydrocarbon source rock sampling drilling well and a section of a work area are obtained and projected onto a plane diagram, and the obtained thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index of different rock types of hydrocarbon source rocks are projected onto the plane diagram, and an auxiliary drawing software and the like are utilized to form a contour map of the thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index of different rock types of hydrocarbon source rocks by combining geological reality.
And the evaluation module is used for comprehensively evaluating the argillaceous hydrocarbon source rocks of different rock types through evaluating the plane distribution characteristics of the indexes.
Specifically, the thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index distribution characteristics of the hydrocarbon source rocks of different rock types are synthesized, the evaluation classification standards of the hydrocarbon source rock thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index are established, and the comprehensive evaluation grades of the hydrocarbon source rocks of different rock types are divided.
The present invention also provides an electronic device including: a memory storing executable instructions; and the processor runs executable instructions in the memory to realize the method for evaluating the shale type of the argillaceous source rocks.
The invention also provides a computer readable storage medium storing a computer program which when executed by a processor implements the above-described method for evaluating shale type of shale source rock.
In order to facilitate understanding of the solution and the effects of the embodiments of the present invention, four specific application examples are given below. It will be understood by those of ordinary skill in the art that the examples are for ease of understanding only and that any particular details thereof are not intended to limit the present invention in any way.
Example 1
Fig. 1 shows a flow chart of the steps of a method for evaluating the type of shale fraction of a shale source according to the invention.
As shown in fig. 1, the method for evaluating the type of the shale hydrocarbon source rock comprises the following steps: step 101, carrying out mineral composition measurement on target hydrocarbon source rock, and determining the rock type of the target hydrocarbon source rock; 102, determining thickness evaluation indexes of hydrocarbon source rocks of different rock types; step 103, determining organic matter evaluation indexes of different rock types of hydrocarbon source rocks; 104, acquiring evaluation index plane distribution characteristics of the hydrocarbon source rocks of different rock types; and 105, comprehensively evaluating the argillaceous hydrocarbon source rocks of different rock types by evaluating the index plane distribution characteristics.
FIG. 2 shows a schematic representation of a target argillaceous source rock sample feature according to one embodiment of the invention.
FIG. 3 shows a schematic representation of a target argillaceous source rock sample plane distribution profile according to one embodiment of the invention.
Acquiring target argillaceous hydrocarbon source rock, selecting drilling core, rock cuttings or outcrop rock samples capable of reflecting development characteristic density of the hydrocarbon source rock in a work area, and recording sampling positions; the mineral composition of the source rock sample is determined by means of X-diffraction analysis, element logging, microscopic observation and the like, and rock types are divided according to the mineral composition, wherein the rock types comprise siliceous source rock, calcareous source rock and clay source rock, and the mineral composition is shown in figure 2. The planar distribution characteristics of the target argillaceous hydrocarbon source rock sample are shown in fig. 3.
FIG. 4 shows a schematic representation of planar distribution characteristics of source rock thickness indicators of different rock types according to one embodiment of the invention.
FIG. 5 shows a schematic representation of planar distribution characteristics of organic matter abundance indicators for different rock types of hydrocarbon source rock in accordance with an embodiment of the invention.
FIG. 6 shows a schematic representation of planar distribution characteristics of different rock type source rock organic matter type indicators according to one embodiment of the invention.
FIG. 7 shows a schematic representation of planar distribution characteristics of hydrocarbon source rock organic matter maturity indicators of different rock types, according to one embodiment of the invention.
The thickness of different types of argillaceous source rocks in the well or profile is calculated as shown in fig. 4. Obtaining the organic matter abundance of the argillaceous hydrocarbon source rocks with different drilling or profile types by means of total organic carbon measurement, rock pyrolysis, chloroform asphalt "A" and the like, as shown in figure 5; obtaining the types of organic matters of the argillaceous hydrocarbon source rocks with different drilling or profile by means of kerogen microscopy, organic petrography, kerogen carbon isotopes, kerogen elements, rock pyrolysis and the like, as shown in fig. 6; the organic matter maturity of the argillaceous hydrocarbon source rocks with different drilling or profile types is obtained through means of the reflectivity of the vitrinite, rock pyrolysis and the like, as shown in fig. 7.
Fig. 8 shows a schematic diagram of an evaluation index planar distribution feature according to an embodiment of the present invention.
The geographical coordinates of the sampling drilling and the profile of the target hydrocarbon source rock of the work area are obtained and projected onto a plane diagram, the obtained thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index of the hydrocarbon source rock of different rock types are projected onto the plane diagram, and an auxiliary drawing software and the like are utilized to form a contour map of the thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index of the hydrocarbon source rock of different rock types according to geological reality, as shown in fig. 8.
And integrating the thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index distribution characteristics of the hydrocarbon source rocks of different rock types, establishing evaluation classification standards of the hydrocarbon source rock thickness index, the organic matter abundance index, the organic matter type index and the organic matter maturity index, and dividing comprehensive evaluation grades of the hydrocarbon source rocks of different rock types.
Example 2
Fig. 9 shows a block diagram of a shale source rock fraction evaluation apparatus according to an embodiment of the invention.
As shown in fig. 9, the shale source rock fraction evaluation apparatus includes:
the determination module 201 performs mineral composition determination on the target hydrocarbon source rock to determine the rock type of the target hydrocarbon source rock;
the thickness evaluation module 202 determines thickness evaluation indexes of the hydrocarbon source rocks of different rock types;
the organic matter evaluation module 203 determines the organic matter evaluation indexes of the hydrocarbon source rocks of different rock types;
the plane distribution characteristic acquisition module 204 is used for acquiring the evaluation index plane distribution characteristics of the hydrocarbon source rocks of different rock types;
the evaluation module 205 is used for comprehensively evaluating the argillaceous hydrocarbon source rocks with different rock types by evaluating the distribution characteristics of the index plane.
Alternatively, the mineral composition determination comprises: all-rock X-ray diffraction analysis, element logging, observation under a thin-film mirror and hand-held X-ray fluorescence spectrometer analysis.
Alternatively, the rock types include siliceous source rock, calcareous source rock, and clay source rock.
As an alternative, the organic matter evaluation index includes: organic matter abundance, organic matter type, organic matter maturity.
Alternatively, the evaluation index plane distribution feature includes: the thickness plane distribution, the organic matter abundance plane distribution, the organic matter type plane distribution and the organic matter maturity plane distribution of different rock types of hydrocarbon source rocks.
Example 3
The present disclosure provides an electronic device including: a memory storing executable instructions; and the processor runs executable instructions in the memory to realize the method for evaluating the shale type of the argillaceous source rocks.
An electronic device according to an embodiment of the present disclosure includes a memory and a processor.
The memory is for storing non-transitory computer readable instructions. In particular, the memory may include one or more computer program products, which may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. The volatile memory may include, for example, random Access Memory (RAM) and/or cache memory (cache), and the like. The non-volatile memory may include, for example, read Only Memory (ROM), hard disk, flash memory, and the like.
The processor may be a Central Processing Unit (CPU) or other form of processing unit having data processing and/or instruction execution capabilities, and may control other components in the electronic device to perform the desired functions. In one embodiment of the present disclosure, the processor is configured to execute the computer readable instructions stored in the memory.
It should be understood by those skilled in the art that, in order to solve the technical problem of how to obtain a good user experience effect, the present embodiment may also include well-known structures such as a communication bus, an interface, and the like, and these well-known structures are also included in the protection scope of the present disclosure.
The detailed description of the present embodiment may refer to the corresponding description in the foregoing embodiments, and will not be repeated herein.
Example 4
The disclosed embodiments provide a computer readable storage medium storing a computer program which when executed by a processor implements the method of argillaceous source rock fraction type evaluation.
A computer-readable storage medium according to an embodiment of the present disclosure has stored thereon non-transitory computer-readable instructions. When executed by a processor, perform all or part of the steps of the methods of embodiments of the present disclosure described above.
The computer-readable storage medium described above includes, but is not limited to: optical storage media (e.g., CD-ROM and DVD), magneto-optical storage media (e.g., MO), magnetic storage media (e.g., magnetic tape or removable hard disk), media with built-in rewritable non-volatile memory (e.g., memory card), and media with built-in ROM (e.g., ROM cartridge).
It will be appreciated by persons skilled in the art that the above description of embodiments of the invention has been given for the purpose of illustrating the benefits of embodiments of the invention only and is not intended to limit embodiments of the invention to any examples given.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (5)
1. A method for evaluating the type of shale source rock, comprising the steps of:
carrying out mineral composition measurement on target hydrocarbon source rocks, and determining rock types of the target hydrocarbon source rocks, wherein the rock types comprise siliceous hydrocarbon source rocks, calcareous hydrocarbon source rocks and clay hydrocarbon source rocks;
determining thickness evaluation indexes of the source rocks of different rock types, wherein the thickness evaluation indexes comprise thickness plane distribution of the source rocks of different rock types;
determining organic matter evaluation indexes of different rock types of hydrocarbon source rocks, wherein the organic matter evaluation indexes comprise: organic matter abundance, organic matter type, organic matter maturity;
acquiring evaluation index plane distribution characteristics of different rock types of hydrocarbon source rocks, wherein the evaluation index plane distribution characteristics comprise: thickness plane distribution, organic matter abundance plane distribution, organic matter type plane distribution and organic matter maturity plane distribution of different rock types of hydrocarbon source rocks;
comprehensively evaluating the argillaceous hydrocarbon source rocks of different rock types through the evaluation index plane distribution characteristics.
2. The method of clayey source rock fraction rock type evaluation of claim 1, wherein the mineral composition determination comprises: all-rock X-ray diffraction analysis, element logging, observation under a thin-film mirror and hand-held X-ray fluorescence spectrometer analysis.
3. An apparatus for evaluating the type of shale source rock, comprising:
the determination module is used for carrying out mineral composition determination on target hydrocarbon source rocks to determine rock types of the target hydrocarbon source rocks, wherein the rock types comprise siliceous hydrocarbon source rocks, calcareous hydrocarbon source rocks and clay hydrocarbon source rocks;
the thickness evaluation module is used for determining thickness evaluation indexes of the hydrocarbon source rocks of different rock types, wherein the thickness evaluation indexes comprise thickness plane distribution of the hydrocarbon source rocks of different rock types;
the organic matter evaluation module is used for determining organic matter evaluation indexes of different rock types of hydrocarbon source rocks, wherein the organic matter evaluation indexes comprise: organic matter abundance, organic matter type, organic matter maturity;
the plane distribution characteristic acquisition module acquires evaluation index plane distribution characteristics of different rock types of hydrocarbon source rocks, wherein the evaluation index plane distribution characteristics comprise: thickness plane distribution, organic matter abundance plane distribution, organic matter type plane distribution and organic matter maturity plane distribution of different rock types of hydrocarbon source rocks;
and the evaluation module is used for comprehensively evaluating the argillaceous hydrocarbon source rocks of different rock types through the evaluation index plane distribution characteristics.
4. An electronic device, the electronic device comprising:
a memory storing executable instructions;
a processor executing the executable instructions in the memory to implement the argillaceous source rock fraction rock type evaluation method of claim 1 or 2.
5. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by a processor, implements the method for evaluating the shale source rock fraction type of claim 1 or 2.
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