CN113050193B - Distribution identification method, device and system for basement igneous rock - Google Patents
Distribution identification method, device and system for basement igneous rock Download PDFInfo
- Publication number
- CN113050193B CN113050193B CN201911378442.9A CN201911378442A CN113050193B CN 113050193 B CN113050193 B CN 113050193B CN 201911378442 A CN201911378442 A CN 201911378442A CN 113050193 B CN113050193 B CN 113050193B
- Authority
- CN
- China
- Prior art keywords
- igneous rock
- igneous
- information
- drilling area
- stratum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011435 rock Substances 0.000 title claims abstract description 240
- 238000009826 distribution Methods 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000005553 drilling Methods 0.000 claims abstract description 96
- 239000000758 substrate Substances 0.000 claims description 21
- 238000007667 floating Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 13
- 230000015654 memory Effects 0.000 claims description 11
- 238000004590 computer program Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 description 30
- 238000005755 formation reaction Methods 0.000 description 30
- 238000013461 design Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 12
- 239000010459 dolomite Substances 0.000 description 4
- 229910000514 dolomite Inorganic materials 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010252 digital analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The application provides a distribution identification method, device and system of basement igneous rock, wherein the method comprises the following steps: acquiring drilling area information corresponding to a drilling area to be identified, and determining the stratum depth of igneous rock and at least one well corresponding to the igneous rock according to the drilling area information; acquiring three-dimensional seismic information corresponding to a drilling area to be identified, and determining the coordinate position of igneous rock in the three-dimensional seismic information according to the position of the well in the three-dimensional seismic information and the stratum depth of igneous rock; and identifying the plane distribution of the igneous rock according to the coordinate position of the igneous rock in the three-dimensional seismic information and the three-dimensional seismic information. The method avoids using single data information, can conveniently and effectively integrate drilling area information and three-dimensional seismic information, accurately identify igneous rocks and improve the accuracy of igneous rock plane distribution.
Description
Technical Field
The application relates to the technical field of geological exploration, in particular to a distribution identification method, device and system for basement igneous rock.
Background
Along with the continuous development of oil and gas reservoir development technology, igneous rock reservoirs have become an important oil and gas reservoir development target gradually due to the characteristics of thick production layer, high yield, large reserves and the like. Igneous rock can become a reservoir of a hydrocarbon reservoir, depending to some extent on its lithology.
Different types of igneous rocks have different mineral compositions and rock structures, and reservoir space types of igneous rock reservoirs are diverse, and their formation processes are complex and controlled by influence of various factors. Therefore, the existing coherent attribute identification method using three-dimensional seismic data as input conditions is used for identifying the planar distribution of igneous rocks in the stratum of the overlying deposit of the substrate, and the accuracy is poor.
Because substrates with various lithologies all show clutter reflection, by observing three-dimensional seismic data, only the seismic characteristics of the substrates showing clutter reflection can be known, and whether the clutter reflection is the seismic response of igneous rocks is not known, so that the plane distribution of igneous rocks cannot be accurately identified by adopting a coherence attribute identification method, and other lithology substrates showing clutter reflection are misjudged to be igneous rocks.
Disclosure of Invention
The application provides a distribution identification method, device and system for basal igneous rock, which are used for realizing convenient and effective comprehensive drilling area information and three-dimensional seismic information, avoiding the use of single data information, accurately identifying igneous rock and improving the accuracy of igneous rock plane distribution.
In a first aspect, a method for identifying distribution of igneous rocks on a substrate provided by an embodiment of the present application includes:
acquiring drilling area information corresponding to a drilling area to be identified, and determining the stratum depth of igneous rock and at least one well corresponding to the igneous rock according to the drilling area information;
acquiring unit seismic information corresponding to a drilling area to be identified, and determining the coordinate position of igneous rock in the three-dimensional seismic information according to the position of the well in the three-dimensional seismic information and the stratum depth of igneous rock;
and identifying the plane distribution of the igneous rock according to the coordinate position of the igneous rock in the three-dimensional seismic information and the three-dimensional seismic information.
In one possible design, determining a formation depth at which igneous rock is located based on the drilling zone information includes:
and determining the stratum depth of igneous rock according to lithology parameters of different stratum depths of the standard in the drilling area information.
In one possible design, determining a formation depth at which igneous rock is located based on the drilling zone information includes:
and matching the floating range with a preset stratum depth range according to the floating ranges of natural gamma curves in different stratum depths in the drilling area information, and determining the stratum depth where igneous rocks are located.
In one possible design, identifying a planar distribution of the igneous rock based on a coordinate location of the igneous rock at the three-dimensional seismic information and the three-dimensional seismic information, comprising:
and identifying reflection characteristics around the coordinate positions in the seismic profile, and generating igneous rock plane distribution of the drilling area to be identified according to the reflection characteristics.
In one possible design, identifying reflection features around the coordinate locations in a seismic profile, generating a igneous rock plane distribution of the drilling zone to be identified from the reflection features, comprising:
acquiring reflection characteristics around the coordinate position according to a plurality of seismic section views corresponding to different section angles in the three-dimensional seismic information;
presetting a reflection characteristic area around the coordinate position in each seismic section to form a igneous rock peripheral outline;
forming a igneous rock three-dimensional model in the three-dimensional seismic information according to the igneous rock peripheral outline;
and according to the igneous rock three-dimensional model, projecting to form plane distribution of igneous rock in the drilling area to be identified.
In one possible design, after identifying the planar distribution of igneous rock, further comprising:
displaying the planar distribution of igneous rock.
In a second aspect, an apparatus for identifying distribution of igneous rock on a substrate according to an embodiment of the present application includes:
the acquisition module is used for acquiring drilling area information corresponding to the drilling area to be identified, and determining the stratum depth of igneous rock and at least one well corresponding to the igneous rock according to the drilling area information;
the determining module is used for acquiring three-dimensional seismic information corresponding to a drilling area to be identified, and determining the coordinate position of the igneous rock in the three-dimensional seismic information according to the position of the well in the three-dimensional seismic information and the stratum depth of the igneous rock;
and the identification module is used for identifying the plane distribution of the igneous rock according to the coordinate position of the igneous rock in the three-dimensional seismic information and the three-dimensional seismic information.
In one possible design, determining a formation depth at which igneous rock is located based on the drilling zone information includes:
and determining the stratum depth of igneous rock according to lithology parameters of different stratum depths in the drilling area information.
In one possible design, determining a formation depth at which igneous rock is located based on the drilling zone information includes:
and matching the floating range with a preset stratum depth range according to the floating ranges of natural gamma curves in different stratum depths in the drilling area information, and determining the stratum depth where igneous rocks are located.
In one possible design, the identification module is specifically configured to:
and identifying reflection characteristics around the coordinate positions in the seismic profile, and generating igneous rock plane distribution of the drilling area to be identified according to the reflection characteristics.
In one possible design, identifying reflection features around the coordinate locations in a seismic profile, generating a igneous rock plane distribution of the drilling zone to be identified from the reflection features, comprising:
acquiring reflection characteristics around the coordinate position according to a plurality of seismic section views corresponding to different section angles in the three-dimensional seismic information;
forming a igneous rock peripheral contour in a region which accords with preset reflection characteristics around the coordinate position in each seismic section;
forming a igneous rock three-dimensional model in the three-dimensional seismic information according to the igneous rock peripheral outline;
and according to the igneous rock three-dimensional model, projecting to form plane distribution of igneous rock in the drilling area to be identified.
In one possible design, after identifying the planar distribution of igneous rock, further comprising:
displaying the planar distribution of igneous rock.
In a third aspect, an embodiment of the present application provides a distribution identification system for a igneous rock of a base, including: the device comprises a memory and a processor, wherein executable instructions of the processor are stored in the memory; wherein the processor is configured to perform the method of identifying a distribution of base igneous rock of any one of the first aspects via execution of the executable instructions.
In a fourth aspect, an embodiment of the present application provides a computer readable storage medium having stored thereon a computer program, which when executed by a processor implements the method for identifying the distribution of igneous rocks on a substrate according to any one of the first aspects.
The application provides a distribution identification method, device and system of basement igneous rock, wherein the method comprises the following steps: acquiring drilling area information corresponding to a drilling area to be identified, and determining the stratum depth of igneous rock and at least one well corresponding to the igneous rock according to the drilling area information; acquiring three-dimensional seismic information corresponding to a drilling area to be identified, and determining the coordinate position of igneous rock in the three-dimensional seismic information according to the position of the well in the three-dimensional seismic information and the stratum depth of igneous rock; and identifying the plane distribution of the igneous rock according to the coordinate position of the igneous rock in the three-dimensional seismic information and the three-dimensional seismic information. The method can conveniently and effectively integrate drilling area information and three-dimensional seismic information, accurately identify igneous rock and improve the accuracy of igneous rock plane distribution.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of an application scenario of the present application;
fig. 2 is a flowchart of a method for identifying distribution of igneous rock on a substrate according to an embodiment of the present application;
fig. 3 is a schematic diagram of drilling area information in a distribution identification method of a substrate igneous rock according to an embodiment of the present application;
FIG. 4 is a schematic diagram of three-dimensional seismic information in a method for identifying distribution of igneous rock of a substrate according to an embodiment of the present application;
fig. 5 is a schematic diagram of igneous rock plane distribution in a method for identifying distribution of igneous rock of a substrate according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a distribution recognition device for igneous rock of a base according to a second embodiment of the present application;
fig. 7 is a schematic structural diagram of a distribution identification system for a igneous rock of a base according to a third embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In geology, the base (substrate) and crystalline base (Crystalline Basement) are representative of igneous or metamorphic bedrock covered below a sedimentary floor or more generally below a sedimentary basin or sedimentary rock. Igneous rock becomes a reservoir of a hydrocarbon reservoir due to its lithology characteristics, different types of igneous rock have different mineral compositions and rock structures, and in addition to the diversity of reservoir spaces of the igneous rock, the complexity of the formation process, which results in a certain challenge in planar identification of igneous rock.
FIG. 1 is a schematic diagram of an application scenario of the present application, as shown in FIG. 1, in the embodiment of the present application, a igneous rock distribution and identification system 11 is adopted, and by acquiring drilling zone information corresponding to a drilling zone to be identified, the depth of a stratum where igneous rock is located and a well corresponding to igneous rock are determined according to the drilling zone information; acquiring three-dimensional seismic information corresponding to a drilling area to be identified, and determining the coordinate position of igneous rock in the three-dimensional seismic information according to the position of a well in the three-dimensional seismic information and the stratum depth of igneous rock; the planar distribution 12 of igneous rocks is identified from the coordinate locations of igneous rocks in the three-dimensional seismic information and the three-dimensional seismic information. The drilling area information and the three-dimensional seismic information can be combined more conveniently and effectively, single data information is avoided, and the planar distribution for identifying igneous rock and igneous rock is improved.
In practical application, the method for identifying the distribution of the igneous rock of the substrate provided by the embodiment of the application can be applied to a server, wherein the system for identifying the distribution of the igneous rock of the substrate can be integrally arranged in the server, and can be electrically connected or in communication connection with the server to identify the plane distribution of the igneous rock. The present embodiment is not particularly limited.
The following describes the technical scheme of the present application and how the technical scheme of the present application solves the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
Fig. 2 is a flowchart of a method for identifying distribution of igneous base rock according to an embodiment of the present application, as shown in fig. 2, the method for identifying distribution of igneous base rock according to the embodiment may include:
s201, drilling area information corresponding to the drilling area to be identified is obtained, and the stratum depth of igneous rock and at least one well corresponding to igneous rock are determined according to the drilling area information.
In this embodiment, the drilling area information corresponding to the drilling area to be identified may include video, pictures and text data, and the formation depth of igneous rock and at least one well corresponding to igneous rock are determined according to the drilling area information.
Referring to fig. 3, fig. 3 is a schematic diagram of drilling zone information in a distribution identification method of basement igneous rock according to an embodiment of the present application, where, as shown in fig. 3, the drilling zone information includes stratum information corresponding to different depths, such as stratum, system, natural gamma curve, lithology and other parameters corresponding to geological time units. And determining the stratum depth of the igneous rock and at least one well corresponding to the igneous rock according to the drilling area information.
In an alternative embodiment, the formation depth of igneous rock can be determined according to lithology parameters of different formation depths in the drilling area information, the formation depth of igneous rock can be determined according to the floating range of a natural gamma curve in different formation depths in the drilling area information, and the formation depth of igneous rock can be determined by combining the two modes. The detailed process is described with reference to fig. 3.
S202, acquiring three-dimensional seismic information corresponding to a drilling area to be identified, and determining the coordinate position of igneous rock in the three-dimensional seismic information according to the position of a well in the three-dimensional seismic information and the stratum depth of igneous rock.
Specifically, the three-dimensional seismic information refers to the fact that the wave length and the wave shape characteristics of seismic waves are utilized to conduct digital analysis on the conditions of underground geology and rock stratum, and specifically, acoustic wave information generated after blasting is utilized to conduct data collection and analysis, and data volume interpretation of a closed space can be obtained along with data collection of a dotted line surface. Fig. 4 is a schematic diagram of three-dimensional seismic information in a distribution identification method of a basement igneous rock according to an embodiment of the present application. As shown in fig. 4, the distribution identification system of the basement igneous rock determines the coordinate position of the igneous rock in the three-dimensional seismic information according to the position of the well A1 in the three-dimensional seismic information and the stratum depth of the igneous rock.
For example, the longitude and latitude locations of igneous rocks can be determined from the location of the well, in combination with formation depths, coordinates of three-dimensional seismic data can be generated.
S203, identifying the plane distribution of igneous rocks according to the coordinate positions of the igneous rocks in the three-dimensional seismic information and the three-dimensional seismic information.
Specifically, identifying reflection characteristics around coordinate positions in the seismic profile, and generating igneous rock plane distribution of the drilling area to be identified according to the reflection characteristics.
The specific process is that reflection characteristics around the coordinate position are obtained according to a plurality of seismic section views corresponding to different section angles in the three-dimensional seismic information; forming a igneous rock peripheral contour in a region which accords with preset reflection characteristics around the coordinate position in each seismic section; forming a igneous rock three-dimensional model in the three-dimensional seismic information according to the igneous rock peripheral outline; and according to the igneous rock three-dimensional model, projecting to form planar distribution of igneous rock in the drilling area to be identified.
In this embodiment, the representation (i.e., the reflection feature) around the coordinate position in the seismic profile is identified according to the three-dimensional seismic information, and the area around the coordinate position, which represents the cluttered reflection, is used to generate the planar distribution of the igneous rock of the drilling area substrate to be analyzed.
The performance of specific different lithologies generally corresponds to the respective reflection characteristics. For example, igneous rock is shown as clutter reflection, the coordinate position of igneous rock is determined through drilling area information and three-dimensional seismic information, reflection characteristics around the coordinate position are acquired according to seismic sectional views of different section angles in the three-dimensional seismic information, the area around the coordinate position, which is shown as clutter reflection, is judged as igneous rock, and the contour of the periphery of igneous rock is formed. Compared with the method for judging igneous rock by three-dimensional seismic information in the prior art, the method for identifying igneous rock is more accurate in result.
The seismic profile can be a longitudinal profile, namely a depth direction profile, as shown in fig. 4, when igneous rock shows clutter in three-dimensional seismic information, a basal igneous rock section of a drilling zone can be determined by identifying the seismic profile, and the seismic response of a basal surrounding a coordinate position A1 well shows clutter from bottom to top, and is predicted to be two side sections (two side broken lines of A1) of a igneous rock distribution area; the seismic response of the area adjacent to the substrate clutter reflection is characterized by oblique reflection, and is predicted to be a metamorphic rock distribution area, and the difference is obvious. According to the information data of the well drilling area, the bottom surface of the chills is obtained on the three-dimensional seismic information, and the bottom surface of the chills is moved downwards in parallel to a preset depth to form the bottom side section of the igneous rock distribution area, for example, 400m, and with reference to fig. 5, fig. 5 is a schematic diagram of igneous rock plane distribution in the basic igneous rock distribution identification method provided by the embodiment of the application, waveforms from the bottom surface of the chills to the bottom surface of the chills in the depth section of 400m are extracted, and a red concentrated area (an area surrounded by the periphery of an A1) in the figure is a scattered reflection distribution area. The area which shows the characteristic of oblique reflection is constructed into an area surrounded by a basal igneous rock section, two side sections of an igneous rock distribution area and a bottom side section of the igneous rock distribution area. A igneous rock three-dimensional model is formed in the three-dimensional seismic information according to the igneous rock peripheral contour, and a planar distribution of igneous rocks in the drilling zone to be identified is formed by projection according to the igneous rock three-dimensional model (see fig. 5).
According to the embodiment, the accuracy of earthquake response identification of the basement igneous rock of the A1 well is improved by comprehensively utilizing the drilling area information and the three-dimensional earthquake information. The three-dimensional seismic data is used as input conditions, drilling area information is also input, single data is avoided, the operability is high, the method can be rapidly applied to the work of identifying the distribution of the igneous rock planes of the substrate, and the identification result of the distribution of the igneous rock planes of the substrate is more accurate.
In an alternative embodiment, the planar distribution of igneous rock is displayed after the planar distribution of igneous rock is identified. And further provides powerful geological basis for oil and gas reservoir exploration and lays foundation for oil and gas exploration.
In combination with the above example, as shown in fig. 3, the drilling area information includes formations corresponding to different depths, and the depth of the formation where igneous rock is located is determined according to the drilling area information, and the specific manner of determining the depth of the formation where igneous rock is located is as follows:
in an alternative embodiment, the formation depth at which igneous rock is located is determined by lithology of different formation depths in the drilling zone information. For example, as shown in FIG. 3, after drilling through the formation of the chills, drilling is completed after the removal of the igneous rock 31m of the base of the chills. And lithology at the 7100m depth of the formation is described as: the upper part is gray brown cream dolomite and the lower part is gray and brown powder dolomite, and the stratum is determined not to be igneous rock. Lithology at the 7200m depth position of the formation is described as: the lithology of the drilling and uncovering base igneous rock is light purple gray medium-grain igneous rock and gray black fine-grain igneous rock, which are obviously different from gypsum dolomite and powder dolomite of the overlying grayish stratum, and according to the light purple gray medium-grain igneous rock and the gray black fine-grain igneous rock, the depth position of the stratum 7200m is determined to be the stratum depth where the igneous rock is located.
In order to avoid errors in the visual discrimination, lithology of different stratum depths in drilling area information is preliminarily determined to be a first stratum depth where igneous rocks are located; further analyzing the floating range of natural gamma curve GR of different stratum depths in the drilling area information, and determining the stratum depth of the floating range in a preset range as the second stratum depth of igneous rock; and judging whether the first stratum depth is the same as the second stratum depth, and if so, finally confirming that the first stratum depth is the stratum depth where igneous rocks are located. The stratum depth where igneous rock is located can be more accurately judged through natural gamma curve and visual discrimination. On the natural gamma curve of logging, the characteristics of the basal igneous rock show high natural gamma value, which are obviously different from those of the overlying chilla stratum.
Of course, besides the above manner of determining the formation depth of igneous rock, the formation depth of igneous rock may be determined by using a natural gamma curve alone, specifically analyzing the floating range of the natural gamma curve of different formation depths in drilling zone information, matching the floating range with a preset formation depth range, and determining the formation depth of igneous rock, for example, the preset formation depth range is 7100m-7200m, which is not limited in this embodiment.
Fig. 6 is a schematic structural diagram of a distribution identifying device for matrix igneous rock according to a second embodiment of the present application, as shown in fig. 6, the distribution identifying device for quaternary igneous rock according to the present embodiment may include:
the obtaining module 31 is configured to obtain drilling area information corresponding to a drilling area to be identified, and determine a formation depth where igneous rock is located and at least one well corresponding to igneous rock according to the drilling area information;
the determining module 32 is configured to obtain three-dimensional seismic information corresponding to the drilling area to be identified, and determine a coordinate position of igneous rock in the three-dimensional seismic information according to a position of the well in the three-dimensional seismic information and a stratum depth of igneous rock;
the identifying module 33 is configured to identify a planar distribution of igneous rock according to the coordinate position of the igneous rock in the three-dimensional seismic information and the three-dimensional seismic information.
In one possible design, determining the formation depth at which igneous rock is located based on drilling zone information includes:
and determining the stratum depth of igneous rock according to lithology parameters of different stratum depths in the drilling area information.
In one possible design, determining the formation depth at which igneous rock is located based on drilling zone information includes:
and matching the floating range with a preset stratum depth range according to the floating ranges of natural gamma curves in different stratum depths in the drilling area information, and determining the stratum depth where igneous rocks are located.
In one possible design, the identification module 33 is specifically configured to:
and identifying reflection characteristics around the coordinate positions in the seismic profile, and generating igneous rock plane distribution of the drilling area to be identified according to the reflection characteristics.
In one possible design, identifying reflection features around coordinate locations in a seismic profile, generating igneous rock plane distributions for a drilling zone to be identified from the reflection features, comprising:
acquiring reflection characteristics around the coordinate position according to a plurality of seismic section views corresponding to different section angles in the three-dimensional seismic information;
forming a igneous rock peripheral contour in a region which accords with preset reflection characteristics around the coordinate position in each seismic section;
forming a igneous rock three-dimensional model in the three-dimensional seismic information according to the igneous rock peripheral outline;
and according to the igneous rock three-dimensional model, projecting to form planar distribution of igneous rock in the drilling area to be identified.
In one possible design, after identifying the planar distribution of igneous rock, further comprising:
showing the planar distribution of igneous rock.
The device for identifying the distribution of the igneous base rock in the embodiment may execute the technical scheme in the method shown in fig. 2, and the specific implementation process and the technical principle thereof refer to the related description in the method shown in fig. 2, which is not repeated here.
Fig. 7 is a schematic structural diagram of a distribution identification system for igneous base rock according to a third embodiment of the present application, and as shown in fig. 7, a distribution identification system 40 for igneous base rock according to the present embodiment may include: a processor 41 and a memory 42.
A memory 42 for storing a computer program (such as an application program, a functional module, etc. for realizing the above-described distribution identification method of the base igneous rock), a computer instruction, etc.;
the computer programs, computer instructions, etc. described above may be stored in one or more of the memories 42 in partitions. And the above-described computer programs, computer instructions, data, etc. may be called by the processor 41.
A processor 41 for executing a computer program stored in a memory 42 for carrying out the steps of the method according to the above-described embodiment.
Reference may be made in particular to the description of the embodiments of the method described above.
The processor 41 and the memory 42 may be separate structures or may be integrated structures integrated together. When the processor 41 and the memory 42 are separate structures, the memory 42 and the processor 41 may be coupled and connected by a bus 43.
The server of this embodiment may execute the technical solution in the method shown in fig. 2, and the specific implementation process and technical principle thereof refer to the related descriptions in the method shown in fig. 2, which are not repeated herein.
In addition, the embodiment of the application further provides a computer-readable storage medium, wherein computer-executable instructions are stored in the computer-readable storage medium, and when at least one processor of the user equipment executes the computer-executable instructions, the user equipment executes the various possible methods.
Among them, computer-readable media include computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. In addition, the ASIC may reside in a user device. The processor and the storage medium may reside as discrete components in a communication device.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the method embodiments described above may be performed by hardware associated with program instructions. The foregoing program may be stored in a computer readable storage medium. The program, when executed, performs steps including the method embodiments described above; and the aforementioned storage medium includes: various media that can store program code, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (5)
1. A method for identifying the distribution of igneous rocks on a substrate, comprising:
step 1: acquiring drilling area information corresponding to a drilling area to be identified, and determining the stratum depth of igneous rock and at least one well corresponding to the igneous rock according to the drilling area information;
the specific process comprises the following steps: preliminarily determining the first stratum depth of igneous rock according to lithology of different stratum depths in the drilling area information; further analyzing the floating range of natural gamma curve GR of different stratum depths in the drilling area information, and determining the stratum depth of the floating range in a preset range as the second stratum depth of igneous rock; judging whether the first stratum depth is the same as the second stratum depth, if so, finally confirming that the first stratum depth is the stratum depth of igneous rock;
step 2: acquiring three-dimensional seismic information corresponding to a drilling area to be identified, and determining the coordinate position of igneous rock in the three-dimensional seismic information according to the position of the well in the three-dimensional seismic information and the stratum depth of igneous rock; the specific process comprises the following steps: determining the longitude and latitude position of igneous rock according to the position of the well, and generating the coordinate position by combining the stratum depth;
step 3: identifying the planar distribution of igneous rocks according to the coordinate positions of the igneous rocks in the three-dimensional seismic information and the three-dimensional seismic information;
the specific process of the step 3 is as follows: acquiring reflection characteristics around the coordinate position according to a plurality of seismic section views corresponding to different section angles in the three-dimensional seismic information; forming a igneous rock peripheral contour in a region which accords with preset reflection characteristics around the coordinate position in each seismic section; forming a igneous rock three-dimensional model in the three-dimensional seismic information according to the igneous rock peripheral outline; according to the igneous rock three-dimensional model, projecting to form planar distribution of igneous rock in the drilling area to be identified; the seismic profile is a profile in the longitudinal plane, namely in the depth direction, and the area around the coordinate position, which is shown as scattered reflection, generates the planar distribution of the basement igneous rock of the drilling area to be analyzed.
2. The method of claim 1, further comprising, after identifying the planar distribution of igneous rock:
displaying the planar distribution of igneous rock.
3. A distribution identification device for a substrate igneous rock, comprising:
the acquisition module is used for acquiring drilling area information corresponding to the drilling area to be identified, and determining the stratum depth of igneous rock and at least one well corresponding to the igneous rock according to the drilling area information; the specific process comprises the following steps: preliminarily determining the first stratum depth of igneous rock according to lithology of different stratum depths in the drilling area information; further analyzing the floating range of natural gamma curve GR of different stratum depths in the drilling area information, and determining the stratum depth of the floating range in a preset range as the second stratum depth of igneous rock; judging whether the first stratum depth is the same as the second stratum depth, if so, finally confirming that the first stratum depth is the stratum depth of igneous rock;
the determining module is used for acquiring three-dimensional seismic information corresponding to a drilling area to be identified, and determining the coordinate position of the igneous rock in the three-dimensional seismic information according to the position of the well in the three-dimensional seismic information and the stratum depth of the igneous rock; the specific process comprises the following steps: determining the longitude and latitude position of igneous rock according to the position of the well, and generating the coordinate position by combining the stratum depth;
the identification module is used for identifying the plane distribution of the igneous rock according to the coordinate position of the igneous rock in the three-dimensional seismic information and the three-dimensional seismic information; the specific process is as follows: acquiring reflection characteristics around the coordinate position according to a plurality of seismic section views corresponding to different section angles in the three-dimensional seismic information; forming a igneous rock peripheral contour in a region which accords with preset reflection characteristics around the coordinate position in each seismic section; forming a igneous rock three-dimensional model in the three-dimensional seismic information according to the igneous rock peripheral outline; according to the igneous rock three-dimensional model, projecting to form planar distribution of igneous rock in the drilling area to be identified; the seismic profile is a profile in the longitudinal plane, namely in the depth direction, and the area around the coordinate position, which is shown as scattered reflection, generates the planar distribution of the basement igneous rock of the drilling area to be analyzed.
4. A system for identifying a distribution of a substrate igneous rock, comprising: the device comprises a memory and a processor, wherein executable instructions of the processor are stored in the memory; wherein the processor is configured to perform the method of identifying the distribution of base igneous rocks of any one of claims 1-2 via execution of the executable instructions.
5. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method for identifying the distribution of basement igneous rocks according to any one of claims 1 to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911378442.9A CN113050193B (en) | 2019-12-27 | 2019-12-27 | Distribution identification method, device and system for basement igneous rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911378442.9A CN113050193B (en) | 2019-12-27 | 2019-12-27 | Distribution identification method, device and system for basement igneous rock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113050193A CN113050193A (en) | 2021-06-29 |
| CN113050193B true CN113050193B (en) | 2023-08-22 |
Family
ID=76506747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911378442.9A Active CN113050193B (en) | 2019-12-27 | 2019-12-27 | Distribution identification method, device and system for basement igneous rock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113050193B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5671136A (en) * | 1995-12-11 | 1997-09-23 | Willhoit, Jr.; Louis E. | Process for seismic imaging measurement and evaluation of three-dimensional subterranean common-impedance objects |
| CN105204066A (en) * | 2015-10-26 | 2015-12-30 | 中国矿业大学 | Spectral decomposition-based method for directly indicating intrusion position of igneous rock into coal seam |
| CN108008469A (en) * | 2016-10-28 | 2018-05-08 | 中石化石油工程技术服务有限公司 | The horizontal well geosteering modeling method that well shake combines |
| CN110174701A (en) * | 2019-06-05 | 2019-08-27 | 中国煤炭地质总局地球物理勘探研究院 | A kind of prediction technique and device of Igneous rock invasion range |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7778811B2 (en) * | 2004-11-12 | 2010-08-17 | Baker Hughes Incorporated | Method and system for predictive stratigraphy images |
-
2019
- 2019-12-27 CN CN201911378442.9A patent/CN113050193B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5671136A (en) * | 1995-12-11 | 1997-09-23 | Willhoit, Jr.; Louis E. | Process for seismic imaging measurement and evaluation of three-dimensional subterranean common-impedance objects |
| CN105204066A (en) * | 2015-10-26 | 2015-12-30 | 中国矿业大学 | Spectral decomposition-based method for directly indicating intrusion position of igneous rock into coal seam |
| CN108008469A (en) * | 2016-10-28 | 2018-05-08 | 中石化石油工程技术服务有限公司 | The horizontal well geosteering modeling method that well shake combines |
| CN110174701A (en) * | 2019-06-05 | 2019-08-27 | 中国煤炭地质总局地球物理勘探研究院 | A kind of prediction technique and device of Igneous rock invasion range |
Non-Patent Citations (1)
| Title |
|---|
| Xu Ligui,et al.Identification and prediction for deep-buried volcanic rock in superimpose basin .CPS/SEG Beijing 2009 International Geophysical Conference & Exposition.2009,第1-5页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113050193A (en) | 2021-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11048000B2 (en) | Seismic image data interpretation system | |
| West et al. | Interactive seismic facies classification using textural attributes and neural networks | |
| CA2940406C (en) | Characterizing a physical structure using a multidimensional noise model to attenuate noise data | |
| EP3158368B1 (en) | Instantaneous isochron attribute-based geobody identification for reservoir modeling | |
| CA2818790C (en) | Seismic trace attribute | |
| EP2350901B1 (en) | Tracking geologic object and detecting geologic anomalies in exploration seismic data volume | |
| EP3881105B1 (en) | Passive seismic imaging | |
| EP3253946B1 (en) | Seismic attributes derived from the relative geological age property of a volume-based model | |
| US20120320712A1 (en) | Dip seismic attribute | |
| US20140222345A1 (en) | Methods and systems of incorporating pseudo-surface pick locations in seismic velocity models | |
| Schneider et al. | Interpretation of fractured zones using seismic attributes—Case study from Teapot Dome, Wyoming, USA | |
| EP4067944A1 (en) | Systems and methods for identifying geostructural properties as a function of position in a subsurface region of interest | |
| CN108508481B (en) | A kind of method, apparatus and system of longitudinal wave converted wave seismic data time match | |
| CN113050193B (en) | Distribution identification method, device and system for basement igneous rock | |
| US6662111B2 (en) | Method for analyzing reflection curvature in seismic data volumes | |
| CN109669211A (en) | The thin Sandbody Reservoirs prediction technique of seabed lithology and device, storage medium and terminal | |
| Soltani et al. | Faults and fractures detection in 2D seismic data based on principal component analysis | |
| Ravve et al. | Hypersurface curvatures of geological features | |
| RU2563862C2 (en) | Strain attribute in rocks | |
| US20140330523A1 (en) | Method of enhancing flat spots in three-dimensional seismic interpretation | |
| CN114488290A (en) | Method and device for finely depicting thin interbed super-coverage pinch-out reservoir and electronic equipment | |
| Dorn | Visualization and interpretation in 3D–True Volume interpretation | |
| Thapar et al. | Reservoir structure contour modeling and imaging | |
| Burns | Seismic Reservoir Characterization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |