CN116384633A - Method, device and equipment for dividing mark layer and readable storage medium - Google Patents
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Abstract
The embodiment of the application provides a method, a device and equipment for dividing a mark layer and a readable storage medium, which relate to the field of stratum division and are used for determining a comprehensive reference curve according to a logging curve of a reference well and a mark layer line; comparing the comprehensive reference curve with a logging curve of a target well to determine a target characteristic region; the marking layers of the target wells are divided according to the target characteristic areas, and the comparison speed and the comparison accuracy can be improved and the working efficiency can be improved by automatically dividing the marking layers of the target wells.
Description
Technical Field
The present disclosure relates to the field of stratigraphic division, and in particular, to a method, an apparatus, a device, and a readable storage medium for dividing a marker layer.
Background
The division and comparison of stratum are used as the core technology of fine reservoir description, are the basis for developing reservoir geological research, and are the key preconditions for the subsequent formulation of scientific and efficient reservoir development schemes.
At present, when comparing the stratum division, the data of the target well is usually observed and compared manually. However, the manual division of the stratum not only requires the business personnel to have abundant experience, but also consumes more time and energy for the business personnel, and has the problems of low comparative division speed and low accuracy.
Disclosure of Invention
In order to solve the technical problems, embodiments of the present application provide a method, an apparatus, a device, and a readable storage medium for dividing a flag layer.
In a first aspect, an embodiment of the present application provides a method for partitioning a flag layer, where the method includes:
determining a comprehensive reference curve according to the logging curve of the reference well and the mark layer line;
comparing the comprehensive reference curve with a logging curve of a target well to determine a target characteristic region;
and dividing a mark layer of the target well according to the target characteristic region.
According to one embodiment disclosed herein, the determining the integrated reference curve from the log curve and the mark layer line of the reference well includes:
preprocessing the logging curve of the reference well to obtain all marking layer lines of the reference well and logging curve characteristics of the reference well;
intercepting all marking layer lines of the reference well and logging curve characteristics of the reference well in a preset area to obtain the comprehensive reference curve.
According to one embodiment disclosed in the present application, the comparing the integrated reference curve with the log curve of the target well to determine the target feature area includes:
performing curve graph deformation processing on the logging curve characteristics of the reference well to obtain a deformed reference curve;
and performing feature comparison processing on the deformation reference curve and the logging curve of the target well to obtain a feature similarity section, and determining the feature similarity section as the target feature region.
According to one embodiment disclosed in the present application, the graphically deforming the log characteristic of the reference well includes:
and stretching and/or shrinking the logging curve characteristic of the reference well.
According to a specific embodiment disclosed in the present application, the feature comparison processing of the deformation reference curve and the logging curve of the target well includes:
and stretching and/or shrinking each marking layer line of the reference well until the marking layer line is correspondingly overlapped with the logging curve of the target well.
According to a specific embodiment disclosed in the application, the marking layer for dividing the target well according to the target feature area includes:
calibrating each marking layer line in the target characteristic region to obtain a target marking layer line;
dividing the mark layer of the target well according to the target mark layer line.
In a second aspect, an embodiment of the present application provides a device for dividing a flag layer, where the device includes:
the determining module is used for determining a comprehensive reference curve according to the logging curve of the reference well and the mark layer line;
the comparison module is used for comparing the comprehensive reference curve with a logging curve of the target well to determine a target characteristic region;
and the dividing module is used for dividing the mark layer of the target well according to the target characteristic region.
According to one embodiment disclosed in the present application, the determining module is specifically configured to:
preprocessing the logging curve of the reference well to obtain all marking layer lines of the reference well and logging curve characteristics of the reference well;
intercepting all marking layer lines of the reference well and logging curve characteristics of the reference well in a preset area to obtain the comprehensive reference curve.
In a third aspect, an embodiment of the present application provides an electronic device, including a memory and a processor, where the memory is configured to store a computer program, and the computer program executes, when the processor runs, a method for partitioning a flag layer provided in the first aspect.
In a fourth aspect, embodiments of the present application provide a computer readable storage medium storing a computer program that, when run on a processor, performs the method of partitioning a marker layer provided in the first aspect.
According to the dividing method of the mark layer, the comprehensive reference curve is determined according to the logging curve of the reference well and the mark layer line; comparing the comprehensive reference curve with a logging curve of a target well to determine a target characteristic region; the marking layers of the target wells are divided according to the target characteristic areas, and the comparison speed and the comparison accuracy can be improved and the working efficiency can be improved by automatically dividing the marking layers of the target wells.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are required for the embodiments will be briefly described, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope of protection of the present application. Like elements are numbered alike in the various figures.
Fig. 1 is a schematic flow chart of a method for partitioning a flag layer according to an embodiment of the present application;
FIG. 2 shows a schematic diagram of an integrated reference curve provided by an embodiment of the present application;
FIG. 3 illustrates a schematic diagram of a target feature area provided by an embodiment of the present application;
FIG. 4 shows a target mark layer line calibration schematic diagram provided in an embodiment of the present application;
fig. 5 shows a schematic structural diagram of a dividing device of a marker layer according to an embodiment of the present application;
fig. 6 shows a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments.
The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.
In the following, the terms "comprises", "comprising", "having" and their cognate terms may be used in various embodiments of the present application are intended only to refer to a particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be interpreted as first excluding the existence of or increasing the likelihood of one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of this application belong. The terms (such as those defined in commonly used dictionaries) will be interpreted as having a meaning that is identical to the meaning of the context in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in connection with the various embodiments.
Example 1
The embodiment of the disclosure provides a dividing method of a mark layer, which can be applied to dividing various strata, so that dividing efficiency is improved.
Stratigraphic division refers to the division of rock formations in a section of a region of the formation to establish the formation sequence. Rock stratum division is generally performed according to lithology and lithofacies characteristics, and then biological stratum division is performed according to fossil acquired by the system, so that chronostratigraphic order is established.
Specifically, referring to fig. 1, the method for dividing the flag layer includes:
step S101, determining a comprehensive reference curve according to the logging curve of the reference well and the mark layer line.
In the specific implementation, the comprehensive reference curve is determined according to the logging curve of the reference well and the mark layer, and the comprehensive reference curve is compared with the logging curve of the target well to obtain a target characteristic area, namely the overlapping part of the processed comprehensive reference curve and the logging curve of the target well. And dividing the mark layers of the target well according to the mark layer lines of the reference well and the target characteristic region.
Specifically, the logging curve features of the reference well refer to a curve formed during logging, and the curve contains various feature data, such as true vertical depth (Ture Vertical Depth, TVD for short), natural gamma (Natural Gamma Ray, GR for short) and true formation resistivity (Ture Formation Resistivity, RT for short), and such data can reflect different lithology and horizon features, so as to determine the lithology and horizon according to the curve.
In an alternative embodiment, the determining the integrated reference curve from the log and the zone line of the reference well includes:
preprocessing the logging curve of the reference well to obtain all marking layer lines of the reference well and logging curve characteristics of the reference well;
intercepting all marking layer lines of the reference well and logging curve characteristics of the reference well in a preset area to obtain the comprehensive reference curve.
In an alternative embodiment, the preprocessing includes selecting wells with distinct curve characteristics as reference wells distributed at different locations in the investigation region based on the integrated logging and logging data.
Specifically, referring to fig. 2, fig. 2 is a schematic diagram of an integrated reference curve provided in an embodiment of the present application, where the intercepted integrated reference curve exists in a form of a suspension frame, so that the integrated reference curve is displaced and placed on a target well for comparison. When intercepting the preset area, intercepting can be performed according to user definition. For example, a portion of a mark layer line of the reference well and log characteristics of the reference well within the mark layer line region may be truncated. All of the marker layer lines of the reference well and log features of the reference well within the region of the marker layer lines may also be truncated.
And step S102, comparing the comprehensive reference curve with a logging curve of a target well to determine a target characteristic region.
Preferably, the comparing the integrated reference curve with the logging curve of the target well to determine the target feature area includes:
performing curve graph deformation processing on the logging curve characteristics of the reference well to obtain a deformed reference curve;
and performing feature comparison processing on the deformation reference curve and the logging curve of the target well to obtain a feature similarity section, and determining the feature similarity section as the target feature region.
It can be understood that the same stratum of different wells is positioned at different ground depths according to different geological conditions, and the positions of the mark layers corresponding to the reference well and the target well can be determined by comparing the characteristic of the logging curve of the reference well with the logging curve of the target well after the characteristic of the logging curve of the reference well is acquired. And performing feature comparison processing according to the processed deformation reference curve and the logging curve of the target well, finding out similar feature similar sections, namely obvious same-layer bottom layer sections, and determining the similar feature similar sections as target feature areas. The marking layer lines of the reference well may be stretched and/or contracted in the target feature region.
Specifically, the graphic deformation processing of the logging curve characteristic of the reference well comprises the following steps:
and stretching and/or shrinking the logging curve characteristic of the reference well.
In the specific implementation, in order to compare the characteristic of the logging curve of the reference well with the logging curve of the target well to find a characteristic similar section, the logging curve of the reference well needs to be subjected to graphic deformation processing.
On the basis, the characteristic comparison processing of the deformation reference curve and the logging curve of the target well comprises the following steps:
and stretching and/or shrinking each marking layer line of the reference well until the marking layer line is correspondingly overlapped with the logging curve of the target well.
In one embodiment, the log characteristics of the reference well are divided by the marker layer lines into intervals, each interval representing a formation.
Referring to fig. 3, fig. 3 is a schematic view of a target feature area provided in an embodiment of the present application, it may be understood that when each marker layer of the reference well is subjected to stretching and/or shrinking treatment, a log characteristic of the reference well between two marker layer positions may also change with a change in the marker layer positions, and each marker layer of the reference well is subjected to stretching and/or shrinking treatment until the log characteristic of the reference well is changed and then can be correspondingly overlapped with a log of the target well. For example, the "zone B-top" zone positions in fig. 3 are drawn down, and the "zone a-top" zone positions and the "zone B-top" zone position are deformed to overlap the log of the target well. Similarly, the "mark layer C-top" mark layer position in fig. 3 may be compressed upward, and the "mark layer B-top" mark layer position and the "mark layer C-top" mark layer position in the region of the log curve feature may be deformed, so as to overlap the log curve of the target well. And carrying out fine stratum division on the bottom layer section corresponding to the target well according to stratum division conditions of logging curve characteristics of the reference well.
And step S103, dividing the mark layer of the target well according to the target characteristic region.
Specifically, the marking layer for dividing the target well according to the target characteristic area includes:
calibrating each marking layer line in the target characteristic region to obtain a target marking layer line;
dividing the mark layer of the target well according to the target mark layer line.
In particular, a marking layer refers to a layer or group of layers having distinct characteristics that may be used as a contrast marking for a formation. The marking layer is characterized by obvious fossil and lithology characteristics, stable horizon, wide distribution, easy identification and the like. Referring to fig. 4, fig. 4 is a schematic diagram of target mark layer line calibration provided in the embodiment of the present application, after a calibration instruction of a user is received, each mark layer line in the target feature area is calibrated, so that a new target mark layer line can be quickly obtained. The calibration mode comprises double clicking. After each marking layer line is marked, the target well can be divided into different strata according to each marking layer line.
According to the dividing method of the mark layers, a comprehensive reference curve is determined according to the logging curve of the reference well and the mark layer line; comparing the comprehensive reference curve with a logging curve of a target well to determine a target characteristic region; the marking layers of the target wells are divided according to the target characteristic areas, and the comparison speed and the comparison accuracy can be improved and the working efficiency can be improved by automatically dividing the marking layers of the target wells.
Example 2
Further, referring to fig. 5, an embodiment of the present disclosure provides a division apparatus 500 of a logo layer, the division apparatus 500 of the logo layer including:
a determining module 501, configured to determine a comprehensive reference curve according to a logging curve and a mark layer line of the reference well;
the comparison module 502 is configured to compare the comprehensive reference curve with a logging curve of a target well, and determine a target feature area;
a dividing module 503, configured to divide the mark layer of the target well according to the target feature area.
Optionally, the determining module 501 is specifically configured to:
preprocessing the logging curve of the reference well to obtain all marking layer lines of the reference well and logging curve characteristics of the reference well;
intercepting all marking layer lines of the reference well and logging curve characteristics of the reference well in a preset area to obtain the comprehensive reference curve.
Specifically, the comparison module 502 is specifically configured to:
performing curve graph deformation processing on the logging curve characteristics of the reference well to obtain a deformed reference curve;
and performing feature comparison processing on the deformation reference curve and the logging curve of the target well to obtain a feature similarity section, and determining the feature similarity section as the target feature region.
Specifically, the comparison module 502 is specifically configured to:
and stretching and/or shrinking the logging curve characteristic of the reference well.
Specifically, the comparison module 502 is specifically configured to:
and stretching and/or shrinking each marking layer line of the reference well until the marking layer line is correspondingly overlapped with the logging curve of the target well.
Specifically, the dividing module 503 is specifically configured to:
calibrating each marking layer line in the target characteristic region to obtain a target marking layer line;
dividing the mark layer of the target well according to the target mark layer line.
The apparatus 500 for dividing a flag layer according to the present embodiment may perform the method for dividing a flag layer according to embodiment 1, and is not described herein again for avoiding repetition.
The dividing device of the mark layer provided by the embodiment determines a comprehensive reference curve according to the logging curve of the reference well and the mark layer line; comparing the comprehensive reference curve with a logging curve of a target well to determine a target characteristic region; the marking layers of the target wells are divided according to the target characteristic areas, and the comparison speed and the comparison accuracy can be improved and the working efficiency can be improved by automatically dividing the marking layers of the target wells.
Example 3
Furthermore, an embodiment of the present disclosure provides an electronic device, including a memory and a processor, where the memory stores a computer program that, when executed on the processor, performs the method for partitioning a flag layer provided in the above embodiment 1.
Specifically, referring to fig. 6, the electronic device 600 includes: a transceiver 601, a bus interface and a processor 602.
In an embodiment of the present invention, the electronic device 600 further includes: a memory 603. In fig. 6, a bus architecture may comprise any number of interconnected buses and bridges, with various circuits of the one or more processors, represented in particular by processor 602, and the memory, represented in memory 603. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 601 may be a number of elements, i.e. comprising a transmitter and a receiver, providing a unit for communicating with various other apparatus over a transmission medium. The processor 602 is responsible for managing the bus architecture and general processing, and the memory 603 may store data used by the processor 602 in performing operations.
The method for dividing the flag layer in the embodiment 1 of the present invention may be executed by the electronic device 600, and in order to avoid repetition, details are not repeated here.
Example 4
In the present embodiment, the computer readable storage medium may be a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, an optical disk, or the like.
The method for partitioning the flag layer shown in embodiment 1 can be executed by the computer readable storage medium provided in embodiment 4, and in order to avoid repetition, a detailed description is omitted here.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal comprising the element.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), including several instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method described in the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (10)
1. A method for partitioning a marker layer, the method comprising:
determining a comprehensive reference curve according to the logging curve of the reference well and the mark layer line;
comparing the comprehensive reference curve with a logging curve of a target well to determine a target characteristic region;
and dividing a mark layer of the target well according to the target characteristic region.
2. The method of claim 1, wherein determining the synthetic reference curve from the log and the zone line of the reference well comprises:
preprocessing the logging curve of the reference well to obtain all marking layer lines of the reference well and logging curve characteristics of the reference well;
intercepting all marking layer lines of the reference well and logging curve characteristics of the reference well in a preset area to obtain the comprehensive reference curve.
3. The method of claim 2, wherein comparing the integrated reference curve to a log of a target well to determine a target feature area comprises:
performing curve graph deformation processing on the logging curve characteristics of the reference well to obtain a deformed reference curve;
and performing feature comparison processing on the deformation reference curve and the logging curve of the target well to obtain a feature similarity section, and determining the feature similarity section as the target feature region.
4. A method according to claim 3, wherein graphically deforming the log characteristic of the reference well comprises:
and stretching and/or shrinking the logging curve characteristic of the reference well.
5. A method according to claim 3, wherein said feature comparison of said deformed reference curve with a log of said target well comprises:
and stretching and/or shrinking each marking layer line of the reference well until the marking layer line is correspondingly overlapped with the logging curve of the target well.
6. The method of claim 1, wherein the dividing the target well mark layer according to the target feature region comprises:
calibrating each marking layer line in the target characteristic region to obtain a target marking layer line;
dividing the mark layer of the target well according to the target mark layer line.
7. A marking layer partitioning apparatus, said apparatus comprising:
the determining module is used for determining a comprehensive reference curve according to the logging curve of the reference well and the mark layer line;
the comparison module is used for comparing the comprehensive reference curve with a logging curve of the target well to determine a target characteristic region;
and the dividing module is used for dividing the mark layer of the target well according to the target characteristic region.
8. The apparatus of claim 7, wherein the determining module is specifically configured to:
preprocessing the logging curve of the reference well to obtain all marking layer lines of the reference well and logging curve characteristics of the reference well;
intercepting all marking layer lines of the reference well and logging curve characteristics of the reference well in a preset area to obtain the comprehensive reference curve.
9. An electronic device comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, performs the method of partitioning a marker layer of any one of claims 1 to 6.
10. A computer readable storage medium, characterized in that it stores a computer program which, when run on a processor, performs the method of partitioning a marker layer according to any one of claims 1 to 6.
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| CN202310395243.9A CN116384633A (en) | 2023-04-13 | 2023-04-13 | Method, device and equipment for dividing mark layer and readable storage medium |
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| CN202310395243.9A CN116384633A (en) | 2023-04-13 | 2023-04-13 | Method, device and equipment for dividing mark layer and readable storage medium |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472765A (en) * | 2020-04-24 | 2020-07-31 | 北京月新时代科技股份有限公司 | Stratigraphic division method and device for target well |
| CN113420936A (en) * | 2021-07-01 | 2021-09-21 | 中国海洋石油集团有限公司 | Stratum comparison method based on dynamic time programming optimization algorithm |
| CN114092368A (en) * | 2021-11-22 | 2022-02-25 | 北京金阳普泰石油技术股份有限公司 | Method and system for folding and processing breaking range in stratum comparison process |
| CN115113299A (en) * | 2022-05-18 | 2022-09-27 | 北京月新时代科技股份有限公司 | Intelligent marking stratum positioning and dividing method, device, equipment and storage medium |
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2023
- 2023-04-13 CN CN202310395243.9A patent/CN116384633A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472765A (en) * | 2020-04-24 | 2020-07-31 | 北京月新时代科技股份有限公司 | Stratigraphic division method and device for target well |
| CN113420936A (en) * | 2021-07-01 | 2021-09-21 | 中国海洋石油集团有限公司 | Stratum comparison method based on dynamic time programming optimization algorithm |
| CN114092368A (en) * | 2021-11-22 | 2022-02-25 | 北京金阳普泰石油技术股份有限公司 | Method and system for folding and processing breaking range in stratum comparison process |
| CN115113299A (en) * | 2022-05-18 | 2022-09-27 | 北京月新时代科技股份有限公司 | Intelligent marking stratum positioning and dividing method, device, equipment and storage medium |
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