CN113379907A - Method and device for constructing fault block geological model - Google Patents

Method and device for constructing fault block geological model Download PDF

Info

Publication number
CN113379907A
CN113379907A CN202010161759.3A CN202010161759A CN113379907A CN 113379907 A CN113379907 A CN 113379907A CN 202010161759 A CN202010161759 A CN 202010161759A CN 113379907 A CN113379907 A CN 113379907A
Authority
CN
China
Prior art keywords
fault
geological model
block geological
model
fault block
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.)
Granted
Application number
CN202010161759.3A
Other languages
Chinese (zh)
Other versions
CN113379907B (en
Inventor
景紫岩
卫平生
石兰亭
方乐华
李双文
陈广坡
苏玉平
赵伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Co Ltd
Original Assignee
Petrochina Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Petrochina Co Ltd filed Critical Petrochina Co Ltd
Priority to CN202010161759.3A priority Critical patent/CN113379907B/en
Publication of CN113379907A publication Critical patent/CN113379907A/en
Application granted granted Critical
Publication of CN113379907B publication Critical patent/CN113379907B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/05Geographic models

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Software Systems (AREA)
  • Remote Sensing (AREA)
  • Computer Graphics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The invention provides a method and a device for constructing a fault block geological model, wherein the method comprises the following steps: performing structural surface modeling according to the horizon data to obtain a fault block geological model; carrying out fault modeling according to fault data to obtain a fault model; repeatedly executing the following steps until the precision of the fault block geological model meets the preset precision requirement, and outputting the latest fault block geological model: analyzing the fault and the layer intersection relation according to the fault block geological model and the fault model to generate an intersection line of the layer and the fault; adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition; and (3) reconstructing the fault block geological model by taking the intersection line of the layer and the fault meeting the preset condition as a constraint condition, and replacing the reconstructed fault block geological model with the fault block geological model. The method can construct an accurate fault block geological model.

Description

Method and device for constructing fault block geological model
Technical Field
The invention relates to the technical field of oil-gas exploration and development, in particular to a method and a device for constructing a fault block geological model.
Background
The accurate fault block geological model is the basis of fault sealing evaluation, and most of the fault block geological models used for fault sealing evaluation are derived from geological sections and have two-dimension performance. The fault closure is the primary condition for judging whether fault block trap can be built or not, and is also the important basis for judging whether the fault is movable or not and generating geological disasters, and the evaluation basis is the accurate description of a geological model. At present, a fault block geological model with conventional fault sealing evaluation performance is based on seismic interpretation, a simple stratum and a fault framework are built, and a professional algorithm module is added on the basis of the fault block geological model for simple evaluation, so that structural mismatching often exists, stratum and fault intersection are not accurate, lithologic information is difficult to predict, an evaluation result is inaccurate, an evaluation process is complex, efficiency is low, fault sealing judgment and accuracy improvement are severely restricted, and a high-efficiency and rapid research target is difficult to achieve. Therefore, an accurate construction method of the fault block geological model is lacked at present.
Disclosure of Invention
The embodiment of the invention provides a method for constructing a fault block geological model, which is used for constructing an accurate fault block geological model and comprises the following steps:
performing structural surface modeling according to the horizon data to obtain a fault block geological model;
carrying out fault modeling according to fault data to obtain a fault model;
repeatedly executing the following steps until the precision of the fault block geological model meets the preset precision requirement, and outputting the latest fault block geological model:
analyzing the fault and the layer intersection relation according to the fault block geological model and the fault model to generate an intersection line of the layer and the fault;
adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition;
and (3) reconstructing the fault block geological model by taking the intersection line of the layer and the fault meeting the preset condition as a constraint condition, and replacing the reconstructed fault block geological model with the fault block geological model.
The embodiment of the invention provides a method for constructing a fault block geological model, which is used for constructing an accurate fault block geological model and comprises the following steps:
the first modeling module is used for carrying out structural surface modeling according to the horizon data to obtain a fault block geological model;
the first modeling module is used for carrying out fault modeling according to fault data to obtain a fault model;
the updating module is used for repeatedly executing the following steps until the precision of the fault block geological model meets the preset precision requirement, and outputting the latest fault block geological model:
analyzing the fault and the layer intersection relation according to the fault block geological model and the fault model to generate an intersection line of the layer and the fault;
adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition;
and (3) reconstructing the fault block geological model by taking the intersection line of the layer and the fault meeting the preset condition as a constraint condition, and replacing the reconstructed fault block geological model with the fault block geological model.
The embodiment of the invention also provides computer equipment which comprises a memory, a processor and a computer program which is stored on the memory and can be run on the processor, wherein the processor realizes the fault block geological model construction method when executing the computer program.
The embodiment of the invention also provides a computer readable storage medium, and the computer readable storage medium stores a computer program for executing the fault block geological model building method.
In the embodiment of the invention, the tectonic surface modeling is carried out according to the horizon data to obtain a fault block geological model; carrying out fault modeling according to fault data to obtain a fault model; repeatedly executing the following steps until the precision of the fault block geological model meets the preset precision requirement, and outputting the latest fault block geological model: analyzing the fault and the layer intersection relation according to the fault block geological model and the fault model to generate an intersection line of the layer and the fault; adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition; and (3) reconstructing the fault block geological model by taking the intersection line of the layer and the fault meeting the preset condition as a constraint condition, and replacing the reconstructed fault block geological model with the fault block geological model. In the process, after the fault block geological model and the fault model are obtained, the intersection line of the generated bedding plane and the fault is adjusted, the intersection line of the bedding plane and the fault meeting the preset condition is obtained, the intersection line is used as the constraint condition, and the fault block geological model meeting the preset precision requirement can be obtained through continuous iteration, so that the fault block geological model with high accuracy can be obtained.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
FIG. 1 is a flow chart of a method for constructing a fault block geological model according to an embodiment of the invention;
FIG. 2 is a diagram illustrating a plurality of vector control points in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a fault block geological model after reconstruction in an embodiment of the invention;
FIG. 4 is a detailed flowchart of a method for constructing a fault block geological model according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a fault block geological model construction device in the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In the description of the present specification, the terms "comprising," "including," "having," "containing," and the like are used in an open-ended fashion, i.e., to mean including, but not limited to. Reference to the description of the terms "one embodiment," "a particular embodiment," "some embodiments," "for example," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The sequence of steps involved in the embodiments is for illustrative purposes to illustrate the implementation of the present application, and the sequence of steps is not limited and can be adjusted as needed.
Fig. 1 is a flowchart of a method for constructing a fault block geological model according to an embodiment of the present invention, and as shown in fig. 1, the method includes:
step 101, performing structural surface modeling according to horizon data to obtain a fault block geological model;
102, carrying out fault modeling according to fault data to obtain a fault model;
step 103, repeatedly executing the following steps until the precision of the fault block geological model meets the preset precision requirement, and outputting the latest fault block geological model:
step 1031, analyzing the fault and layer intersection relation according to the fault block geological model and the fault model, and generating an intersection line of the layer and the fault;
step 1032, adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition;
and 1033, reconstructing the fault block geological model by taking the intersection line of the layer and the fault meeting the preset condition as a constraint condition, and replacing the reconstructed fault block geological model with the fault block geological model.
In the embodiment of the invention, after the fault block geological model and the fault model are obtained, the fault block geological model meeting the preset precision requirement can be obtained by adjusting the intersection line of the generated layer and the fault and obtaining the intersection line of the layer and the fault meeting the preset condition, and the intersection line is used as the constraint condition for continuous iteration, so that the fault block geological model with very high accuracy can be obtained.
In an embodiment, the method further comprises:
and acquiring horizon data and fault data according to the seismic data of the target area.
In order to obtain the horizon data and the fault data of the target area, the three-dimensional seismic data can be loaded into a professional interpretation software such as a Landmark software or a Geoeast software to perform seismic data interpretation, so as to obtain the horizon data and the fault data volume. Specifically, for later needs, the seismic data here is depth domain seismic data, or is interpreted in the time domain, and converted according to a velocity body or a time-depth relation to obtain horizon data and fault data of the depth domain.
In an embodiment, before performing the tectonic surface modeling according to the horizon data to obtain the fault block geological model, the method further includes:
acquiring uphole hierarchical data according to the logging data of the target area;
correcting the horizon data by taking the well-surface hierarchical data as constraint conditions;
performing tectonic surface modeling according to the horizon data to obtain a fault block geological model, comprising:
and performing structural surface modeling according to the corrected horizon data to obtain a fault block geological model.
In the above embodiment, the log data includes gamma curve GR, sonic curve, and resistivity curve. The specific process of obtaining the uphole hierarchical data according to the logging data of the target area is as follows:
s1: loading and displaying the logging curve according to the logging curve scatter point data, analyzing the curve form and characteristics, and using a display unit such as Geolol;
s2: according to the geological deposition condition, the tectonic activity event and other emerging forms and characteristics in the logging curve, determining a layered system, the number of layered layers, naming equal layered characteristics and the like;
s3: and carrying out geological stratification according to the characteristic, the gamma value and the resistivity curve characteristic value to obtain the aboveground stratified data.
And then, acquiring a fault block geological Model, loading well layered data serving as constraint conditions into professional modeling software petrel or Model in order to improve the precision of the fault block geological Model, correcting the horizon data, and performing tectonic surface modeling according to the corrected horizon data to acquire the fault block geological Model.
In one embodiment, performing tectonic surface modeling according to the corrected horizon data to obtain a fault block geological model, includes:
and according to the corrected horizon data, adopting a Gaussian difference value or a Krigin difference value to perform structural surface modeling to obtain a fault block geological model.
In the above embodiments, other difference methods may also be selected to construct the fault block geological model, and the constructed fault block geological model may also be referred to as a tectonic surface model, and in this case, the constructed fault block geological model is also referred to as an initial tectonic surface model.
In addition, in other embodiments, in the case of performing the tectonic surface modeling, in addition to the above-well layered data as the constraint condition when performing the layered data, the layered data may be subjected to data distortion point correction, generally, the data distortion point correction is performed in the three-dimensional display, thereby further improving the accuracy of the fault block geological model.
In one embodiment, performing fault modeling based on fault data to obtain a fault model includes:
and carrying out fault modeling by adopting a scatter modeling mode or a fault ridge modeling mode according to fault data to obtain a fault model.
In the above embodiment, when fault modeling is performed by using a scatter-point modeling method, fault data is loaded into professional modeling software petrel or model as fracture scatter data to perform distortion point correction, thereby improving the accuracy of a fault model. According to research needs, a reasonable modeling difference method such as Kriging, Gaussian modeling and the like can be selected to construct a section model.
When fault modeling is carried out by adopting a fault ridge modeling mode, fault data is loaded into professional modeling software petrel or model as fault line data to carry out distortion line correction, and the precision of a fault model is improved. According to research needs, reasonable ridge breaking range and modeling difference methods such as Crigikin, Gauss and other modeling methods can be selected to construct the section model.
After fault modeling is carried out by adopting a scatter point modeling mode, the characteristics of the shape, the size and the like of a section can be adjusted and edited in three-dimensional display, so that the three-dimensional display is more suitable for real geological conditions.
In order to ensure the quality of the fault block geological model, the fault block geological model can be adjusted according to the geological condition, and step 103 is to adjust the fault block geological model so as to meet the preset precision requirement.
In step 1031, analyzing a fault and an aspect intersection relationship according to the fault block geological model and the fault model, and generating an intersection line of the aspect and the fault, specifically including:
s1: the fault block geological model and the fault model can be interactively displayed, for example, in a three-dimensional visualization function module of petrel or other software;
s2: and solving the common part of the fault block geological model and the fault model, namely, taking the intersection to obtain a line set which is intersected with the fault block geological model and the fault model, namely, the intersection line of the bedding plane and the fault.
And then entering step 1032, adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition.
In one embodiment, the preset condition is a logical relationship between faults and an upper plate and/or a boundary range of faults and horizon intersection.
Of course, it can be understood that the preset conditions may be other conditions, so that the intersection line of the bedding plane and the fault has higher and higher precision, and the method is more suitable for the real geological condition.
In one embodiment, adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition includes:
generating a plurality of vector control points according to the position of the intersection line of the bedding surface and the fault;
and adjusting the intersection line of the bedding plane and the fault by adjusting the vector control point until the preset condition is met.
In the above embodiment, when the vector control point is adjusted, the vector control point may be adjusted in the upper, lower, left, and right spaces to adjust the intersection line of the editing plane and the fault until the preset condition is satisfied, and fig. 2 is a schematic diagram of a plurality of vector control points in the embodiment of the present invention.
And then, taking the intersection line of the layer and the fault meeting the preset condition as a constraint condition, reconstructing the fault block geological model, loading the fault block geological model into professional modeling software such as petrel during reconstruction, performing construction surface modeling again by adopting a difference value method such as Kriging and Gaussian penetration, and obtaining the intersection line of the layer and the fault after reconstruction as the position of the fault penetrated by multiple faults and the range boundary influenced by the fault distance. After adjustment, the boundary and the fault-distance influence range which are more in line with the geological condition are displayed on the fracture surface, the precision and the accuracy of the fault block geological model are improved, and fig. 3 is a schematic diagram of the fault block geological model reconstructed in the embodiment of the invention.
After reconstruction, whether the precision of the reconstructed block geological model meets the preset precision requirement is judged, if not, the reconstructed block geological model needs to be replaced by the block geological model, a new intersection line of a bedding plane and a fault is generated and adjusted, the block geological model is reconstructed again, and the latest block geological model meeting the preset precision requirement is finally output by repeatedly executing the processes.
The generated fault block geological model can be stored in a three-dimensional display system, so that management and maintenance of the fault block geological model are facilitated, the fault block geological model can be managed by deleting, creating and the like, the fault block geological model can be subjected to gridding treatment, and researches such as evaluation attribute calculation of a fault closure system in the later period are facilitated.
Based on the above embodiment, the present invention provides the following embodiment to explain a detailed flow of a method for building a fault block geological model, fig. 4 is a detailed flow chart of the method for building a fault block geological model provided by the embodiment of the present invention, as shown in fig. 4, in an embodiment, the detailed flow of building a fault block geological model includes:
step 401, obtaining horizon data and fault data according to seismic data of a target area;
step 402, acquiring uphole hierarchical data according to logging data of a target area;
step 403, correcting the horizon data by taking the well upper-layer data as constraint conditions;
step 404, according to the corrected horizon data, adopting a Gaussian difference value or a Krigin difference value to perform structural surface modeling to obtain a fault block geological model;
step 405, carrying out fault modeling by adopting a scatter modeling mode or a fault ridge modeling mode according to fault data to obtain a fault model;
step 406, analyzing the fault and the layer intersection relation according to the fault block geological model and the fault model, and generating an intersection line of the layer and the fault;
step 407, generating a plurality of vector control points according to the position of the intersection line of the bedding plane and the fault;
step 408, adjusting the intersection line of the layer and the fault by adjusting the vector control points until a preset condition is met, wherein the preset condition is a logical relation between the upper and lower disks of the fault and/or an intersection boundary range between the fault and the layer;
step 409, reconstructing a fault block geological model by taking the intersection line of the layer surface and the fault meeting the preset conditions as constraint conditions;
step 410, judging whether the precision of the fault block geological model meets the preset precision requirement, replacing the fault block geological model with the reconstructed fault block geological model when the precision of the fault block geological model does not meet the preset precision requirement, turning to step 406, and otherwise, turning to step 411;
step 411, outputting the latest fault block geological model.
Of course, it is understood that other variations of the detailed flow of the method for constructing the fault block geological model may be adopted, and the related variations are all within the scope of the present invention.
In summary, in the method provided by the embodiment of the present invention, the tectonic surface modeling is performed according to the horizon data to obtain the fault block geological model; carrying out fault modeling according to fault data to obtain a fault model; repeatedly executing the following steps until the precision of the fault block geological model meets the preset precision requirement, and outputting the latest fault block geological model: analyzing the fault and the layer intersection relation according to the fault block geological model and the fault model to generate an intersection line of the layer and the fault; adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition; and (3) reconstructing the fault block geological model by taking the intersection line of the layer and the fault meeting the preset condition as a constraint condition, and replacing the reconstructed fault block geological model with the fault block geological model. In the process, after the fault block geological model and the fault model are obtained, the intersection line of the generated bedding plane and the fault is adjusted, the intersection line of the bedding plane and the fault meeting the preset condition is obtained, the intersection line is used as the constraint condition, and the fault block geological model meeting the preset precision requirement can be obtained through continuous iteration, so that the fault block geological model with high accuracy can be obtained. In addition, the above-well layered data is used as a constraint condition, the layered data is corrected, and then the tectonic surface modeling is carried out to obtain the fault block geological model, so that the precision of the obtained fault block geological model is further improved. When fault modeling is carried out, the distortion point correction is carried out, the precision of the fault layer model is improved, and the precision of the fault block geological model is further improved. The method provided by the embodiment of the invention has the remarkable advantages of simple and convenient operation process, reliability, remarkable effect and high accuracy, and provides an accurate three-dimensional geological model for the evaluation of the fault block oil and gas reservoir. The method achieves the effect of improving the precision of the fault block geological modeling (particularly three-dimensional geological modeling), has good technical application prospect and economic benefit, and improves the drilling success rate.
Based on the same inventive concept, the embodiment of the invention also provides a fault block geological model building device, which is described in the following embodiment. Because the principles for solving the problems are similar to the method for constructing the fault block geological model, the implementation of the device can be referred to the implementation of the method, and repeated parts are not repeated.
FIG. 5 is a schematic diagram of a fault block geological model building device in an embodiment of the invention, the device including:
the first modeling module 501 is used for performing tectonic surface modeling according to the horizon data to obtain a fault block geological model;
the second modeling module 502 is used for carrying out fault modeling according to fault data to obtain a fault model;
an updating module 503, configured to repeatedly execute the following steps until the accuracy of the fault block geological model meets a preset accuracy requirement, and output a latest fault block geological model:
analyzing the fault and the layer intersection relation according to the fault block geological model and the fault model to generate an intersection line of the layer and the fault;
adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition;
and (3) reconstructing the fault block geological model by taking the intersection line of the layer and the fault meeting the preset condition as a constraint condition, and replacing the reconstructed fault block geological model with the fault block geological model.
In one embodiment, the apparatus further comprises a data obtaining module configured to:
and acquiring horizon data and fault data according to the seismic data of the target area.
In one embodiment, the apparatus further comprises a corrective module for:
acquiring uphole hierarchical data according to the logging data of the target area;
correcting the horizon data by taking the well-surface hierarchical data as constraint conditions;
the first modeling module 501 is specifically configured to:
and performing structural surface modeling according to the corrected horizon data to obtain a fault block geological model.
In an embodiment, the first modeling module 501 is specifically configured to:
and according to the corrected horizon data, adopting a Gaussian difference value or a Krigin difference value to perform structural surface modeling to obtain a fault block geological model.
In an embodiment, the second modeling module 502 is specifically configured to:
and carrying out fault modeling by adopting a scatter modeling mode or a fault ridge modeling mode according to fault data to obtain a fault model.
In one embodiment, the preset condition is a logical relationship between faults and an upper plate and/or a boundary range of faults and horizon intersection.
In an embodiment, the update module 503 is specifically configured to:
generating a plurality of vector control points according to the position of the intersection line of the bedding surface and the fault;
and adjusting the intersection line of the bedding plane and the fault by adjusting the vector control point until the preset condition is met.
In summary, in the apparatus provided in the embodiment of the present invention, a tectonic surface modeling is performed according to the horizon data, so as to obtain a fault block geological model; carrying out fault modeling according to fault data to obtain a fault model; repeatedly executing the following steps until the precision of the fault block geological model meets the preset precision requirement, and outputting the latest fault block geological model: analyzing the fault and the layer intersection relation according to the fault block geological model and the fault model to generate an intersection line of the layer and the fault; adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition; and (3) reconstructing the fault block geological model by taking the intersection line of the layer and the fault meeting the preset condition as a constraint condition, and replacing the reconstructed fault block geological model with the fault block geological model. In the process, after the fault block geological model and the fault model are obtained, the intersection line of the generated bedding plane and the fault is adjusted, the intersection line of the bedding plane and the fault meeting the preset condition is obtained, the intersection line is used as the constraint condition, and the fault block geological model meeting the preset precision requirement can be obtained through continuous iteration, so that the fault block geological model with high accuracy can be obtained. In addition, the above-well layered data is used as a constraint condition, the layered data is corrected, and then the tectonic surface modeling is carried out to obtain the fault block geological model, so that the precision of the obtained fault block geological model is further improved. When fault modeling is carried out, the distortion point correction is carried out, the precision of the fault layer model is improved, and the precision of the fault block geological model is further improved. The method provided by the embodiment of the invention has the remarkable advantages of simple and convenient operation process, reliability, remarkable effect and high accuracy, and provides an accurate three-dimensional geological model for the evaluation of the fault block oil and gas reservoir. The method achieves the effect of improving the precision of the fault block geological modeling (particularly three-dimensional geological modeling), has good technical application prospect and economic benefit, and improves the drilling success rate.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A method for constructing a fault block geological model is characterized by comprising the following steps:
performing structural surface modeling according to the horizon data to obtain a fault block geological model;
carrying out fault modeling according to fault data to obtain a fault model;
repeatedly executing the following steps until the precision of the fault block geological model meets the preset precision requirement, and outputting the latest fault block geological model:
analyzing the fault and the layer intersection relation according to the fault block geological model and the fault model to generate an intersection line of the layer and the fault;
adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition;
and (3) reconstructing the fault block geological model by taking the intersection line of the layer and the fault meeting the preset condition as a constraint condition, and replacing the reconstructed fault block geological model with the fault block geological model.
2. The method of constructing a fault block geological model according to claim 1, further comprising:
and acquiring horizon data and fault data according to the seismic data of the target area.
3. The method for constructing a fault block geological model according to claim 1, wherein before performing tectonic surface modeling based on horizon data to obtain the fault block geological model, the method further comprises:
acquiring uphole hierarchical data according to the logging data of the target area;
correcting the horizon data by taking the well-surface hierarchical data as constraint conditions;
performing tectonic surface modeling according to the horizon data to obtain a fault block geological model, comprising:
and performing structural surface modeling according to the corrected horizon data to obtain a fault block geological model.
4. The method for constructing a fault block geological model according to claim 3, wherein the constructing surface modeling is performed according to the corrected horizon data to obtain the fault block geological model, and the method comprises the following steps:
and according to the corrected horizon data, adopting a Gaussian difference value or a Krigin difference value to perform structural surface modeling to obtain a fault block geological model.
5. The method for constructing a fault block geological model according to claim 1, wherein fault modeling is performed according to fault data to obtain a fault model, and the method comprises the following steps:
and carrying out fault modeling by adopting a scatter modeling mode or a fault ridge modeling mode according to fault data to obtain a fault model.
6. The method for constructing a fault block geological model according to claim 1, characterized in that the preset conditions are fault context logical relations and/or fault and horizon intersection boundary ranges.
7. The method for constructing a fault block geological model according to claim 6, wherein the step of adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition comprises the following steps:
generating a plurality of vector control points according to the position of the intersection line of the bedding surface and the fault;
and adjusting the intersection line of the bedding plane and the fault by adjusting the vector control point until the preset condition is met.
8. A fault block geological model construction device is characterized by comprising the following steps:
the first modeling module is used for carrying out structural surface modeling according to the horizon data to obtain a fault block geological model;
the first modeling module is used for carrying out fault modeling according to fault data to obtain a fault model;
the updating module is used for repeatedly executing the following steps until the precision of the fault block geological model meets the preset precision requirement, and outputting the latest fault block geological model:
analyzing the fault and the layer intersection relation according to the fault block geological model and the fault model to generate an intersection line of the layer and the fault;
adjusting the intersection line of the layer and the fault to obtain the intersection line of the layer and the fault meeting the preset condition;
and (3) reconstructing the fault block geological model by taking the intersection line of the layer and the fault meeting the preset condition as a constraint condition, and replacing the reconstructed fault block geological model with the fault block geological model.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method of any of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for executing the method of any one of claims 1 to 7.
CN202010161759.3A 2020-03-10 2020-03-10 Method and device for constructing broken block geological model Active CN113379907B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010161759.3A CN113379907B (en) 2020-03-10 2020-03-10 Method and device for constructing broken block geological model

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010161759.3A CN113379907B (en) 2020-03-10 2020-03-10 Method and device for constructing broken block geological model

Publications (2)

Publication Number Publication Date
CN113379907A true CN113379907A (en) 2021-09-10
CN113379907B CN113379907B (en) 2024-08-27

Family

ID=77568769

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010161759.3A Active CN113379907B (en) 2020-03-10 2020-03-10 Method and device for constructing broken block geological model

Country Status (1)

Country Link
CN (1) CN113379907B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102222365A (en) * 2011-07-29 2011-10-19 电子科技大学 Method for reconstructing curved surface of complex space
CN102867330A (en) * 2012-08-29 2013-01-09 电子科技大学 Region-division-based spatial complex horizon reconstruction method
US20140163943A1 (en) * 2012-12-06 2014-06-12 Roxar Software Solutions As System for modeling geologic structures
CN104265279A (en) * 2014-07-30 2015-01-07 中国石油集团川庆钻探工程有限公司 Logging-while-drilling curve prediction method under fault condition
CN106097449A (en) * 2016-06-08 2016-11-09 中国石油集团川庆钻探工程有限公司地球物理勘探公司 A kind of complex underground structure group spatial logic topological construction method
CN106338761A (en) * 2015-07-07 2017-01-18 中国石油化工股份有限公司 Three-dimensional embedded entity modeling method
CN106814392A (en) * 2015-11-27 2017-06-09 中国石油化工股份有限公司 The velocity modeling method in three-dimensional secondary closely plast fusion face
US20190302309A1 (en) * 2018-04-03 2019-10-03 Guo-Shi Li Geologic Modeling Methods and Systems Having Constrained Restoration of Depositional Space
CN110632654A (en) * 2019-08-16 2019-12-31 中国石油天然气股份有限公司 Method and device for determining oil-containing boundary of broken block trap

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102222365A (en) * 2011-07-29 2011-10-19 电子科技大学 Method for reconstructing curved surface of complex space
CN102867330A (en) * 2012-08-29 2013-01-09 电子科技大学 Region-division-based spatial complex horizon reconstruction method
US20140163943A1 (en) * 2012-12-06 2014-06-12 Roxar Software Solutions As System for modeling geologic structures
CN104265279A (en) * 2014-07-30 2015-01-07 中国石油集团川庆钻探工程有限公司 Logging-while-drilling curve prediction method under fault condition
CN106338761A (en) * 2015-07-07 2017-01-18 中国石油化工股份有限公司 Three-dimensional embedded entity modeling method
CN106814392A (en) * 2015-11-27 2017-06-09 中国石油化工股份有限公司 The velocity modeling method in three-dimensional secondary closely plast fusion face
CN106097449A (en) * 2016-06-08 2016-11-09 中国石油集团川庆钻探工程有限公司地球物理勘探公司 A kind of complex underground structure group spatial logic topological construction method
US20190302309A1 (en) * 2018-04-03 2019-10-03 Guo-Shi Li Geologic Modeling Methods and Systems Having Constrained Restoration of Depositional Space
CN110632654A (en) * 2019-08-16 2019-12-31 中国石油天然气股份有限公司 Method and device for determining oil-containing boundary of broken block trap

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
史玉成等: "复杂断块油藏"点-线-面-体"四步法构造建模技术", 新疆石油地质, no. 04, 1 August 2012 (2012-08-01), pages 488 - 490 *
郝永庆: "南四-八区井震联合构造精细建模及应用研究", 《中国优秀硕士学位论文全文数据库》, no. 2, 15 February 2017 (2017-02-15), pages 1 - 46 *
高寿涛等: "多资料约束的复杂断块油田精细构造地质建模", 特种油气藏, no. 06, 25 December 2010 (2010-12-25), pages 29 - 31 *

Also Published As

Publication number Publication date
CN113379907B (en) 2024-08-27

Similar Documents

Publication Publication Date Title
EP1397703B1 (en) Automated system for modeling faulted multi-valued horizons
US7933750B2 (en) Method for defining regions in reservoir simulation
EP2653893B1 (en) Faulted geological structures containing unconformities
EP3293552B1 (en) System and method for editing geological models by switching between volume-based models and surface-based structural models augmented with stratigraphic fiber bundles
US10995592B2 (en) Method and system for analyzing the uncertainty of subsurface model
NO328482B1 (en) Method, product and system for automated, non-artificial, three-dimensional fault surface-based horizon modeling of the subsurface
CA3065179A1 (en) Constructing structural models of the subsurface
CN106103887A (en) Cross faults and bad hole are modeled by reservoir simulation
US12099159B2 (en) Modeling and simulating faults in subterranean formations
CN105089615A (en) Log data historical retrogression treatment method based on oil reservoir model
JP2021526634A (en) Inverse stratified modeling using linear and non-linear hybrid algorithms
CN114542056A (en) Rapid construction method and device for horizontal well stratum interpretation model
US20190025460A1 (en) Reservoir Simulations with Fracture Networks
AU2013398344B2 (en) Local updating of 3D geocellular model
EP3531172B1 (en) Meshless and mesh-based technique for modeling subterranean volumes
CN113379907A (en) Method and device for constructing fault block geological model
CN106291748A (en) A kind of method obtaining content of organic carbon of hydrocarbon source rock
CN115880455A (en) Three-dimensional intelligent interpolation method based on deep learning
CN111562629A (en) Saturation determination method and device based on equivalent pore section index
Omeragic et al. Workflow to automatically update geological models during well placement with high angle and horizontal well log interpretation results
US20240201417A1 (en) System for building machine learning models to accelerate subsurface model calibration
CN115469361B (en) Clastic rock stratum three-dimensional geological modeling method
CN113031056A (en) Fault closure analysis method and device under structural constraint
EA047437B1 (en) PROCEDURE FOR TRAINING NEURAL NETWORKS BASED ON PHYSICAL MODELING OF GEOPHYSICAL DATA
CN118429553A (en) Modeling method and device for three-dimensional speed model of complex geologic body

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