CN106846471A - A kind of hollow out visual display method of oil gas analog nature - Google Patents
A kind of hollow out visual display method of oil gas analog nature Download PDFInfo
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- CN106846471A CN106846471A CN201510878013.3A CN201510878013A CN106846471A CN 106846471 A CN106846471 A CN 106846471A CN 201510878013 A CN201510878013 A CN 201510878013A CN 106846471 A CN106846471 A CN 106846471A
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Abstract
The invention provides a kind of hollow out visual display method of oil gas analog nature.The model file of parsing plain code first builds the geological model based on Corner-point Grids, while import and the analog nature of management includes thermal history, hydrocarbon, row's hydrocarbon and the analog result such as fortune is poly-, and the attribute data such as lithology, porosity, permeability;Mesh refinement is realized by creating local cypher body, the analog nature information of dense body is obtained using stochastic modeling and interpolation method;Recycle DEM piecemeals, the related continuous LOD technologies of viewpoint are cut etc. regarding centrum, realize Three-dimensional Display and the interaction of smoothness;Finally, using methods such as Color scheme setting, transparency control and attribute selections, the hollow out visual display functions such as logic section, attribute of interest analysis, cut section and data probe are realized.The method more truly clearly shows the simulation achievement of Hydrocarbon accumulation process, can further enhancing to the understanding for studying area's analog nature, the accuracy rate for improving oil-gas exploration.
Description
Technical field
The present invention relates to the oil gas analog result in Hydrocarbon accumulation process and attribute data displaying field, especially by parsing and encrypting the methods such as Corner-point Grids model, continuous LOD optimized algorithms and attribute selection, the hollow out visualization display of analog nature is realized.
Background technology
Reservoir forming modeling is one of important method of development oil and gas resource evaluation, simulation process is made up of Simulation evaluation steps such as ground history, thermal history, hydrocarbon history, Migration History and migration and accumulation histories, each process can produce huge middle achievement and end result data, how to represent and using these data be again researcher carry out geological analysis, administrative staff implement exploration decision subject matter.The space representation of objective body single attribute, such as well track, reserves scope, Stratigraphic framework, stratigraphic structure can be realized substantially at present.But how by a large amount of simulation achievements produced by reservoir forming modeling, truly, dynamically show, be that prior art cannot be realized.Particularly in three-dimensional space, realize that the display of many attribute overlappings, animation simulation show the hollow out visualization of the Regularity of Hydrocarbon Accumulation and all kinds of analog nature information of each phase time, for analog result, enhancing is truely and accurately presented to the geological knowledge of survey region and the accuracy rate of raising oil-gas exploration, all by with important theory and practice meaning.
The content of the invention
The invention aims to solve above technical problem, a kind of hollow out visual display method of oil gas analog nature is provided, for substantial amounts of miscellaneous middle achievement and end result produced by Hydrocarbon accumulation process simulation, on the basis of many attributes overlapping Three-dimensional Display, the hollow out visualization display of analog nature is realized.
The purpose of the present invention is realized by following technical solution:
A kind of hollow out visual display method of oil gas analog nature includes:
Step 1, the model file for parsing plain code builds the geological model based on Corner-point Grids, while import and management includes that construction, thermal history, hydrocarbon, row's hydrocarbon and artificial intelligence transport the analog result gathered, and including lithology, porosity, permeability attribute data;
Step 2, mesh refinement is realized by creating local cypher body, recycles the related continuous LOD technologies of viewpoint to optimize Three-dimensional Display and interaction;The wherein attribute data of dense body is determined by related attributed graph or utilizes result of log interpretation interpolation calculation, and continuous LOD algorithms mainly include that DEM piecemeals, view frustums cut, back side vertex deletion and triangular grid simplify technology in real time;
Step 3, is set, the method for transparency control and attribute selection using including Color scheme, include logic section, attribute of interest analyze, the hollow out visual display function of cut section and data probe.
Such scheme is further included:
In step 1, the geology geometrical model and attribute model stored in standard Corner-point Grids form are parsed, the three-dimensional geological model framework that can be interacted is drawn with Open Inventor, the framework includes aspect, fault plane and layer position;Early stage is imported and being transported including construction, thermal history, hydrocarbon, row's hydrocarbon and artificial intelligence for management gathers the Outcome Document that simulation is formed, and it is stored in assigned catalogue including porosity, permeability and lithologic properties data, analog result and attribute data is according to Corner-point Grids format analysis and imports, the organization of unity management in the way of inforamtion tree.
In step 2; spatial shape encryption is carried out using the method for equidistant subdivision by each grid in encrypted area; encryption attribute is carried out by association attributes diagram data, log analysis data stochastic modeling or interpolation method, and then obtains complete local cypher data volume;Technology is simplified by DEM partitions, view frustums tailoring technique, back side vertex deletion technology and triangular grid in real time, smooth three-dimensional range and interaction is realized.
In step 3, all kinds of analog results and attribute overlapping displaying.
The hollow out visual display method of oil gas analog nature of the invention more truly clearly shows the simulation achievement of Hydrocarbon accumulation process, can further enhancing to the understanding for studying area's analog nature, the accuracy rate for improving oil-gas exploration.
Brief description of the drawings
Fig. 1 is flow chart of the method for the present invention;
Fig. 2 is oil and gas properties simulation and the visual functional flow diagram of hollow out.
Specific embodiment
To enable above and other objects, features and advantages of the invention to become apparent, it is cited below particularly go out preferred embodiment, be described in detail below.
A kind of hollow out visual display method of oil gas analog nature, including:
Step 1, the model file for parsing plain code builds the geological model based on Corner-point Grids, while import and the analog result such as management construction, thermal history, hydrocarbon, row's hydrocarbon and fortune are gathered, and the attribute data such as lithology, porosity, permeability.
Step 2, mesh refinement is realized by creating local cypher body, recycles the related continuous LOD technologies of viewpoint to optimize Three-dimensional Display and interaction;The wherein attribute data of dense body determined by related attributed graph or utilizes result of log interpretation interpolation calculation, and continuous LOD algorithms mainly include the technologies such as DEM piecemeals, view frustums cut, back side vertex deletion and triangular grid simplify in real time.
Step 3, using methods such as Color scheme setting, transparency control and attribute selections, realizes the hollow out visual display functions such as logic section, attribute of interest analysis, cut section and data probe.
The hollow out method for visualizing of this oil gas analog nature, its three-dimensional visual basis is the geological model based on Corner-point Grids described in step 1.In addition to the geological model screen works such as aspect, tomography and layer position, the model also includes all kinds of simulation achievements and attribute data.After parsing the Corner-point Grids model file, geologic framework model therein and analog nature data are imported, using Open
Inventor by model three-dimensional display and interaction, analog nature data also can visual presentation, and in the way of inforamtion tree organization of unity management.
In step 2, dense body is the local cypher data volume designed to solve partial simulation refinement, the treatment two parts of local mesh reflnement comprising spatial shape data and attribute data.Wherein, realize that grid form is encrypted using the method for equidistant subdivision to each grid;The encryption of attribute data then determined using association attributes diagram data, or carried out stochastic modeling and interpolation using log analysis data and determined.In order to realize the continuous LOD algorithms of viewpoint, DEM piecemeals, view frustums cutting, back side vertex deletion and the triangular grid technology such as simplified in real time are employed.
In step 3, construction, thermal history, hydrocarbon, row's hydrocarbon and the analog result such as fortune is poly-, and the attribute data such as lithology, porosity, permeability can overlap display.On this basis, all kinds of analog natures can be set different Color schemes;Control directly observe the built-in attribute of congruency model by the transparency of model;The attribute volume in range of interest can be paid close attention to by attribute selection.The hollow out visual display functions such as logic section, attribute of interest analysis, cut section and data probe are realized using this several method.
Coordinate as shown in figure 1, being described further below:
The present invention includes setting up Corner-point Grids geological model, import and the hollow out of the related continuous LOD optimizations of management simulation attribute, grid local cypher treatment, viewpoint and analog nature such as visualizes at the step.
In a step 101, by geological model of the parsing based on Corner-point Grids, the geologic framework models such as aspect therein, tomography and layer position are imported, the three-dimensional basic model that can be interacted is created using Open Inventor.Flow enters into step 102.
In a step 102, the Outcome Document that the poly- simulation of the construction of early stage, thermal history, life residence and artificial intelligence fortune is formed, and the attribute data such as porosity, permeability and lithology is stored in assigned catalogue;Analog result and attribute data is according to Corner-point Grids format analysis and imports, is carried out three-dimensional visualization displaying and is organized with inforamtion tree unity of form.Flow enters into step 103.
In step 103, the treatment two parts of local mesh reflnement comprising spatial shape data and attribute data.Wherein, realize that grid form is encrypted using the method for equidistant subdivision to each grid;Attribute data encryption then determined using association attributes diagram data, or using log analysis data carried out stochastic modeling and interpolation and determined.Flow enters into step 104.
At step 104, cut using DEM piecemeals, view frustums, the technology such as simplified realizes the continuous LOD algorithms of viewpoint in real time for back side vertex deletion and triangular grid, improves ability, display efficiency and the interactive operation speed of system treatment big data quantity.Flow enters into step 105.
In step 105, carry out all kinds of analog results and the three-dimensional overlapping displaying of attribute data, the operations such as Color scheme setting, transparency control and attribute selection are carried out to each geological object in overlapping body, and then realizes the hollow out visualization function of the threedimensional models such as logic section, attribute of interest analysis, cut section and data probe.
Fig. 2 is oil and gas properties simulation and the visual functional flow diagram of hollow out.
Flow terminates.
Claims (4)
1. a kind of hollow out visual display method of oil gas analog nature, including:
Step 1, the model file for parsing plain code builds the geological model based on Corner-point Grids, while import and management includes that construction, thermal history, hydrocarbon, row's hydrocarbon and artificial intelligence transport the analog result gathered, and including lithology, porosity, permeability attribute data;
Step 2, mesh refinement is realized by creating local cypher body, recycles the related continuous LOD technologies of viewpoint to optimize Three-dimensional Display and interaction;The wherein attribute data of dense body is determined by related attributed graph or utilizes result of log interpretation interpolation calculation, and continuous LOD algorithms mainly include that DEM piecemeals, view frustums cut, back side vertex deletion and triangular grid simplify technology in real time;
Step 3, is set, the method for transparency control and attribute selection using including Color scheme, include logic section, attribute of interest analyze, the hollow out visual display function of cut section and data probe.
2. the hollow out visual display method of oil gas analog nature according to claim 1, it is characterized in that, in step 1, parse the geology geometrical model and attribute model stored in standard Corner-point Grids form, the three-dimensional geological model framework that can be interacted is drawn with Open Inventor, the framework includes aspect, fault plane and layer position;Early stage is imported and being transported including construction, thermal history, hydrocarbon, row's hydrocarbon and artificial intelligence for management gathers the Outcome Document that simulation is formed, and it is stored in assigned catalogue including porosity, permeability and lithologic properties data, analog result and attribute data is according to Corner-point Grids format analysis and imports, the organization of unity management in the way of inforamtion tree.
3. the hollow out visual display method of oil gas analog nature according to claim 1 and 2; it is characterized in that; in step 2; spatial shape encryption is carried out using the method for equidistant subdivision by each grid in encrypted area; encryption attribute is carried out by association attributes diagram data, log analysis data stochastic modeling or interpolation method, and then obtains complete local cypher data volume;Technology is simplified by DEM partitions, view frustums tailoring technique, back side vertex deletion technology and triangular grid in real time, smooth three-dimensional range and interaction is realized.
4. the hollow out visual display method of oil gas analog nature according to claim 3, it is characterised in that in step 3, all kinds of analog results and attribute overlapping displaying.
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CN109960692A (en) * | 2019-03-12 | 2019-07-02 | 中国电子科技集团公司第二十八研究所 | Data visualization method, equipment and the computer storage medium of ship course model |
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Application publication date: 20170613 |