CN114429508A - Method, device, electronic equipment and medium for compiling digital oil and gas exploration degree map - Google Patents

Abstract

The present application discloses a method, device, electronic device and medium for compiling a digital oil and gas exploration degree map. The method may include: projecting according to the earth's curved surface to obtain a map projection; determining the coordinate network distribution of the map projection to establish a geographic base map; calibrating the exploration area on the geographic base map, drawing the exploration area data, and obtaining a digital oil and gas exploration degree map. According to the characteristics of oil and gas resources, the invention adopts the secant cone equal-area projection as the mathematical basis of the oil and gas exploration degree map, which is conducive to the calculation of the geographical space range and scale of the oil and gas reservoirs in the exploration area on the map.

Description

Method, device, electronic equipment and medium for compiling digital oil and gas exploration degree map

technical field

The invention relates to the field of petroleum exploration research, and more particularly, to a method, device, electronic equipment and medium for compiling a digital oil and gas exploration degree map.

Background technique

At present, there are many analysis theories and evaluation systems for the degree of oil and gas exploration, which can be summarized into two categories: qualitative analysis and quantitative analysis.

The representative qualitative analysis mainly includes M.T. Halbouty scheme and Exxon's scheme. The oil and gas exploration work is now divided into three stages, namely, the basin area exploration, the trap pre-exploration stage, and the oil and gas reservoir evaluation and exploration stage.

Quantitative analysis is generally based on the amount of exploration work and the degree of control over the resources in the exploration area.

The above methods are analyzed in the form of data tables, statistical graphics, etc., and do not have geospatial attributes.

Therefore, it is necessary to develop a method, device, electronic device and medium for compiling a digital oil and gas exploration degree map.

The information disclosed in this Background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

SUMMARY OF THE INVENTION

The invention proposes a method, device, electronic equipment and medium for compiling a digital oil and gas exploration degree map, which can adopt the secant cone equal-area projection as the mathematical basis of the oil and gas exploration degree map according to the characteristics of oil and gas resources, which is beneficial to the analysis of the oil and gas exploration degree map. The geographic spatial extent and scale of oil and gas reservoirs in the exploration area are calculated on the map.

In a first aspect, an embodiment of the present disclosure provides a method for compiling a digital oil and gas exploration degree map, including:

Project according to the earth's surface to obtain a map projection;

Determine the coordinate network distribution of the map projection, and establish a geographic base map;

The exploration area is demarcated on the geographic base map, the exploration area data is drawn, and a digital oil and gas exploration degree map is obtained.

Preferably, projecting according to a curved surface of the earth, and obtaining the map projection includes:

Determine the projection method as equal-area projection;

Select the projection surface and perform deformation processing to obtain the map projection.

Preferably, selecting the projection surface and performing deformation processing includes:

Determine two standard parallels;

Between standard wefts, the warp direction length is deformed to a negative value, scaled up, and the weft direction scaled down;

Outside the standard weft, the length in the warp direction is distorted to a positive value, scaled down, and scaled up in the weft direction.

Preferably, determining the coordinate network distribution of the map projection, and establishing a geographic basemap includes:

The meridians between the two standard parallels are elongated, and the meridians outside the standard parallels are shortened, the coordinate network distribution of the map projection is determined, and a geographic base map is established.

Preferably, the probe data includes qualitative data and quantitative data.

Preferably, the qualitative data is marked on the geographic base map by a background color method, and the quantitative data is marked on the geographic base map by a bar chart or a pie chart.

Preferably, it also includes:

Select geographic elements and mark them on the geographic basemap.

As a specific implementation manner of the embodiment of the present disclosure,

In a second aspect, an embodiment of the present disclosure also provides a device for compiling a digital oil and gas exploration degree map, including:

Projection module, project according to the earth surface to obtain map projection;

a distribution module, which determines the coordinate network distribution of the map projection, and establishes a geographic base map;

The calibration module calibrates the exploration area on the geographic base map, draws the exploration area data, and obtains a digital oil and gas exploration degree map.

Preferably, projecting according to a curved surface of the earth, and obtaining the map projection includes:

Determine the projection method as equal-area projection;

Select the projection surface and perform deformation processing to obtain the map projection.

Preferably, selecting the projection surface and performing deformation processing includes:

Determine two standard parallels;

Between standard wefts, the warp direction length is deformed to a negative value, scaled up, and the weft direction scaled down;

Outside the standard weft, the length in the warp direction is distorted to a positive value, scaled down, and scaled up in the weft direction.

Preferably, determining the coordinate network distribution of the map projection, and establishing a geographic basemap includes:

The meridians between the two standard parallels are elongated, and the meridians outside the standard parallels are shortened, the coordinate network distribution of the map projection is determined, and a geographic base map is established.

Preferably, the probe data includes qualitative data and quantitative data.

Preferably, the qualitative data is marked on the geographic base map by a background color method, and the quantitative data is marked on the geographic base map by a bar chart or a pie chart.

Preferably, it also includes:

Select geographic elements and mark them on the geographic basemap.

In a third aspect, an embodiment of the present disclosure further provides an electronic device, the electronic device comprising:

memory, storing executable instructions;

a processor, where the processor runs the executable instructions in the memory to implement the method for compiling the digital oil and gas exploration degree map.

In a fourth aspect, an embodiment of the present disclosure also provides a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and when the computer program is executed by a processor, the described method for compiling a digital oil and gas exploration degree map is realized. .

Its beneficial effects are:

1. The present invention expresses the analysis theory and division scheme of oil and gas exploration degree through the method of digital thematic map, so that the evaluation and division of oil and gas exploration degree are more intuitive and visible;

2. Using the positive-axis secant conic projection as the mathematical basis of the oil and gas exploration degree map, so that the area of the oil and gas exploration area has no deformation after projection, which is convenient for accurate measurement on the map through the corresponding software;

3. Combined with the geographic information system database, the change process of the oil and gas exploration degree in the exploration area with the time axis can be established, which can provide a reference for the strategic decision of oil and gas exploration.

The method and apparatus of the present invention have other features and advantages that will be apparent from, or will be apparent from, the accompanying drawings and the following detailed description incorporated herein. The detailed description is set forth in the detailed description, which together with the detailed description serve to explain certain principles of the invention.

Description of drawings

The above and other objects, features and advantages of the present invention will become more apparent from the more detailed description of the exemplary embodiments of the present invention taken in conjunction with the accompanying drawings, wherein the same reference numerals generally refer to the exemplary embodiments of the present invention. same parts.

FIG. 1 shows a flowchart of steps of a method for compiling a digital oil and gas exploration degree map according to an embodiment of the present invention.

FIG. 2 shows a schematic diagram of a projection surface according to an embodiment of the present invention.

FIG. 3 shows a schematic diagram of the distribution characteristics of the deformed ellipse according to an embodiment of the present invention.

FIG. 4 shows a schematic diagram of a warp and weft mesh after deformation according to an embodiment of the present invention.

FIG. 5 shows a schematic diagram of a digital oil and gas exploration degree map according to an embodiment of the present invention.

Fig. 6 shows a block diagram of an apparatus for compiling a digital oil and gas exploration degree map according to an embodiment of the present invention.

Description of reference numbers:

201, a projection module; 202, a distribution module; 203, a calibration module.

Detailed ways

Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein.

The invention provides a method for compiling a digital oil and gas exploration degree map, comprising:

Projection module, project according to the earth surface to obtain map projection;

The distribution module determines the coordinate network distribution of the map projection and establishes the geographic base map;

The calibration module calibrates the exploration area on the geographic base map, draws the exploration area data, and obtains a digital oil and gas exploration degree map.

In one example, projecting according to the Earth's surface, obtaining a map projection includes:

Determine the projection method as equal-area projection;

Select the projection surface and perform deformation processing to obtain the map projection.

In one example, selecting a projection surface and warping includes:

Determine two standard parallels;

Between standard wefts, the warp direction length is deformed to a negative value, scaled up, and the weft direction scaled down;

Outside the standard weft, the length in the warp direction is distorted to a positive value, scaled down, and scaled up in the weft direction.

In one example, determining the grid distribution of the map projection and establishing the geographic basemap includes:

Lengthen the meridians between the two standard parallels and shorten the meridians outside the standard parallels, determine the coordinate network distribution of the map projection, and establish a geographic base map.

In one example, the probe data includes qualitative data and quantitative data.

In one example, qualitative data is annotated on a basemap using the undertone method, and quantitative data is annotated on a basemap using a column or pie chart.

In one example, also include:

Select geographic features and mark them on the geographic basemap.

Specifically, a map projection is obtained by projecting according to the curved surface of the earth, and the map projection is to project the curved surface of the earth onto a plane that can be expanded. When a non-developable surface is displayed on a plane, it will inevitably produce deformation: angle deformation, area deformation and distance deformation. There are two main indicators to measure the distribution of oil and gas resources in geographic space, namely, the distribution plane projection range and the thickness of the reservoir. The spatial scale of oil and gas resources is reflected through the distributed plane projection range and reservoir thickness. The digital thematic map of oil and gas exploration level adopts equal-area projection. After maintaining the projection of oil and gas reservoir resources, the area of each exploration area on the map remains relatively unchanged to meet the needs of measurement, calculation and statistics on the map.

Considering the geographic location, the positive-axis equal-area secant conic projection is used to control the projection deformation.

The two standard parallels have no projection distortion. Between the standard parallels, the length of the warp direction is deformed to a negative value, which is enlarged by the corresponding ratio, and the corresponding ratio is reduced in the weft direction, so that the area of the pattern remains unchanged; Due to the corresponding scale reduction, the corresponding scale is enlarged in the weft direction, so that the area of the pattern remains unchanged, and the deformation length ratio in the warp and weft direction is the reciprocal of each other.

The coordinate network is the geodetic longitude and the geodetic latitude. The latitude is the arc of concentric circles, and the meridian is the radius of the concentric circles. After projection, the meridian between the two standard parallels is elongated, the meridian outside the standard parallel is shortened, the area deformation of each place is zero, and the angle deformation and length deformation change regularly.

In the ordinary map database, the basic data and reference auxiliary data of geographic elements are obtained. On the mapinfo platform of the geographic information system, the geographic elements on the ordinary map are registered to the geographic basemap through the control points of the latitude and longitude coordinate network.

The digital oil and gas exploration degree map is a strategic thematic map. Geographical elements select the main streams and main tributaries in the water system in the region, which are expressed and marked in proportion or half in proportion; in terms of transportation, high-speed railways, major railways, highways, major highways, and main traffic lines leading to oilfield exploration areas and exploration areas are selected. Internal traffic arteries and important bridges shall be expressed and marked in proportion or semi-proportion; for administrative divisions, the boundaries of municipalities directly under the Central Government, provinces, municipal boundaries of provinces, and county boundaries and their administrative centers shall be selected. Proportional representation, the administrative center is represented and marked with an independent circle symbol; on the topography, the name and height of the main mountain peaks are marked; the landform represents the main desert, the main forest, and the independent features with important surface significance.

By means of actual measurement or a combination of existing data, according to the scale index and weight index, the mapgis system software is used to demarcate the geographical scope of the exploration area that needs to compile the degree of oil and gas exploration.

Exploration area data includes qualitative data and quantitative data. Qualitative division is mainly based on the stage division of oil and gas exploration in the oil and gas exploration work specification, and the qualitative division is refined into: low exploration level (basin evaluation stage), low exploration level (zone evaluation stage), medium exploration level (trap evaluation stage) stage), relatively high degree of exploration (early stage of reservoir evaluation), and high degree of exploration (late stage of reservoir evaluation), a total of five levels; , drilling control area and other indicators, as shown in Table 1.

Table 1

Representation method of quantitative indicators: 2D seismic line density, 3D seismic coverage, drilling control area three indicators, which are represented by histogram on thematic map; Reserve data is divided into exploration area estimated oil and gas reserves data, controlled oil and gas reserves Data, proven oil and gas reserves, and exploited oil and gas are represented by pie charts on the thematic map, and the size of the pie chart indicates the scale of reserves.

Representation method of qualitative indicators: use the range method to demarcate the plane projection boundary of the exploration area, and use the background color method to indicate the low exploration degree (basin evaluation stage), low exploration degree (zone evaluation stage), and medium exploration degree (circle evaluation stage) of the exploration area. Closed evaluation stage), relatively high degree of exploration (early stage of reservoir evaluation), high exploration level (late stage of reservoir evaluation) five levels.

The exploration degree map is constantly changing with time, so it should be compiled with software with the function of geographic information system, which is convenient for editing, modifying and updating the thematic content. When using mapinfo for basemap registration, multiple registration methods can be used. The distribution of control points should be uniform to improve the drawing accuracy.

The present invention also provides a preparation device for a digital oil and gas exploration degree map, comprising:

Projection module, project according to the earth surface to obtain map projection;

The distribution module determines the coordinate network distribution of the map projection and establishes the geographic base map;

The calibration module calibrates the exploration area on the geographic base map, draws the exploration area data, and obtains a digital oil and gas exploration degree map.

In one example, projecting according to the Earth's surface, obtaining a map projection includes:

Determine the projection method as equal-area projection;

Select the projection surface and perform deformation processing to obtain the map projection.

In one example, selecting a projection surface and warping includes:

Determine two standard parallels;

Between standard wefts, the warp direction length is deformed to a negative value, scaled up, and the weft direction scaled down;

Outside the standard weft, the length in the warp direction is distorted to a positive value, scaled down, and scaled up in the weft direction.

In one example, determining the coordinate grid distribution of the map projection and establishing the geographic basemap includes:

Lengthen the meridians between the two standard parallels and shorten the meridians outside the standard parallels, determine the coordinate network distribution of the map projection, and establish a geographic base map.

In one example, the probe data includes qualitative data and quantitative data.

In one example, qualitative data is annotated on a basemap using the undertone method, and quantitative data is annotated on a basemap using a column or pie chart.

In one example, also include:

Select geographic features and mark them on the geographic basemap.

Specifically, a map projection is obtained by projecting according to the curved surface of the earth, and the map projection is to project the curved surface of the earth onto a plane that can be expanded. When a non-developable surface is displayed on a plane, it will inevitably produce deformation: angle deformation, area deformation and distance deformation. There are two main indicators to measure the distribution of oil and gas resources in geographic space, namely the distribution plane projection range and the thickness of the reservoir. The spatial scale of oil and gas resources is reflected through the distributed plane projection range and reservoir thickness. The digital thematic map of oil and gas exploration level adopts equal-area projection. After maintaining the projection of oil and gas reservoir resources, the area of each exploration area on the map remains relatively unchanged to meet the needs of measurement, calculation and statistics on the map.

Considering the geographic location, the positive-axis equal-area secant conic projection is used to control the projection deformation.

The two standard parallels have no projection distortion. Between the standard parallels, the length of the warp direction is deformed to a negative value, which is enlarged by the corresponding ratio, and the corresponding ratio is reduced in the weft direction, so that the area of the pattern remains unchanged; Due to the corresponding scale reduction, the corresponding scale is enlarged in the weft direction, so that the area of the pattern remains unchanged, and the deformation length ratio in the warp and weft direction is the reciprocal of each other.

The coordinate network is the geodetic longitude and the geodetic latitude. The latitude is the arc of concentric circles, and the meridian is the radius of the concentric circles. After projection, the meridian between the two standard parallels is elongated, the meridian outside the standard parallel is shortened, the area deformation of each place is zero, and the angle deformation and length deformation change regularly.

In the common map database, the basic data and reference auxiliary data of geographic elements are obtained, and on the mapinfo platform of the geographic information system, the geographic elements on the common map are registered to the geographic basemap through the control points of the latitude and longitude coordinate network.

The digital oil and gas exploration degree map is a strategic thematic map. Geographical elements select the main stream and main tributaries in the water system in the area, which are expressed and marked in proportion or half in proportion; in terms of transportation, high-speed rail, main railway, highway, main highway, transportation trunk lines leading to oilfield exploration areas, and exploration areas are selected. Internal traffic arteries and important bridges shall be expressed and marked in proportion or semi-proportion; for administrative divisions, the boundaries of municipalities directly under the Central Government, provinces, municipal boundaries of provinces, and county boundaries and their administrative centers shall be selected. Proportional representation, the administrative center is represented and marked with an independent circle symbol; on the topography, the name and height of the main mountain peaks are marked; the landform represents the main desert, the main forest, and the independent features with important surface significance.

By means of actual measurement or a combination of existing data, according to the scale index and weight index, the mapgis system software is used to demarcate the geographical scope of the exploration area that needs to compile the degree of oil and gas exploration.

Exploration area data includes qualitative data and quantitative data. Qualitative division is mainly based on the stage division of oil and gas exploration in the oil and gas exploration work specification, and the qualitative division is refined into: low exploration level (basin evaluation stage), low exploration level (zone evaluation stage), medium exploration level (trap evaluation stage) stage), relatively high degree of exploration (early stage of reservoir evaluation), and high degree of exploration (late stage of reservoir evaluation), a total of five levels; , drilling control area and other indicators, as shown in Table 1.

Representation method of quantitative indicators: 2D seismic line density, 3D seismic coverage, drilling control area three indicators, which are represented by histogram on thematic map; Reserve data is divided into exploration area estimated oil and gas reserves data, controlled oil and gas reserves Data, proven oil and gas reserves, and exploited oil and gas are represented by pie charts on the thematic map, and the size of the pie chart indicates the scale of reserves.

Representation method of qualitative indicators: use the range method to demarcate the plane projection boundary of the exploration area, and use the background color method to indicate the low exploration degree (basin evaluation stage), low exploration degree (zone evaluation stage), and medium exploration degree (circle evaluation stage) of the exploration area. Closed evaluation stage), relatively high degree of exploration (early stage of reservoir evaluation), high exploration level (late stage of reservoir evaluation) five levels.

The present invention also provides an electronic device comprising: a memory storing executable instructions; and a processor running the executable instructions in the memory to realize the above-mentioned method for compiling a digital oil and gas exploration degree map.

The present invention also provides a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and when the computer program is executed by a processor, the above-mentioned method for compiling a digital oil and gas exploration degree map is implemented.

To facilitate understanding of the solutions and effects of the embodiments of the present invention, four specific application examples are given below. It will be understood by those skilled in the art that this example is provided only to facilitate understanding of the invention and that any specific details thereof are not intended to limit the invention in any way.

Example 1

FIG. 1 shows a flowchart of steps of a method for compiling a digital oil and gas exploration degree map according to an embodiment of the present invention.

As shown in Fig. 1, the method for compiling the digital oil and gas exploration degree map includes: step 101, projecting according to the curved surface of the earth to obtain a map projection; step 102, determining the coordinate network distribution of the map projection, and establishing a geographic base map; step 103, in The exploration area is calibrated on the geographic base map, the exploration area data is drawn, and the digital oil and gas exploration degree map is obtained.

Project according to the earth's surface to obtain map projection, which is to project the earth's surface onto a plane that can be expanded. When a non-developable surface is displayed on a plane, it will inevitably produce deformation: angle deformation, area deformation and distance deformation. There are two main indicators to measure the distribution of oil and gas resources in geographic space, namely, the distribution plane projection range and the thickness of the reservoir. The spatial scale of oil and gas resources is reflected through the distributed plane projection range and reservoir thickness. The digital thematic map of oil and gas exploration level adopts equal-area projection. After maintaining the projection of oil and gas reservoir resources, the area of each exploration area on the map remains relatively unchanged to meet the needs of measurement, calculation and statistics on the map.

FIG. 2 shows a schematic diagram of a projection surface according to an embodiment of the present invention.

Considering the geographic location, the positive-axis equal-area secant conic projection is used to control the projection deformation, as shown in Figure 2. The circular arcs J1 and J2 are the two standard latitudes where the conical surface and the ellipsoid are secant, the angles B1 and B2 are the latitudes of the standard latitudes, and the angles φ1 and φ2 are the northernmost and southernmost latitudes of the oil and gas exploration area. Under the condition that the area deformation is equal to 0 and the angular deformation tends to be the smallest, the values of B1 and B2 are calculated from the angles φ1 and φ2.

FIG. 3 shows a schematic diagram of the distribution characteristics of the deformed ellipse according to an embodiment of the present invention.

The two standard parallels have no projection distortion. Between the standard parallels, the length of the warp direction is deformed to a negative value, which is enlarged by the corresponding ratio, and the corresponding ratio is reduced in the weft direction, so that the area of the pattern remains unchanged; Due to the corresponding scale reduction, the corresponding scale is enlarged in the weft direction, so that the area of the pattern remains unchanged, and the deformation length ratios in the warp and weft directions are reciprocal of each other.

FIG. 4 shows a schematic diagram of a warp and weft mesh after deformation according to an embodiment of the present invention.

The coordinate network is the geodetic longitude and the geodetic latitude. The latitude is the arc of concentric circles, and the meridian is the radius of the concentric circles. After projection, the meridians between the two standard parallels are elongated, and the meridians outside the standard parallels are shortened. The area deformation of each place is zero, and the angle deformation and length deformation change regularly. The coordinates of the meridian and weft are shown in Figure 4.

In the ordinary map database, the basic data and reference auxiliary data of geographic elements are obtained. On the mapinfo platform of the geographic information system, the geographic elements on the ordinary map are registered to the geographic basemap through the control points of the latitude and longitude coordinate network.

The digital oil and gas exploration degree map is a strategic thematic map. Geographical elements select the main stream and main tributaries in the water system in the area, which are expressed and marked in proportion or half in proportion; in terms of transportation, high-speed rail, main railway, highway, main highway, transportation trunk lines leading to oilfield exploration areas, and exploration areas are selected. Internal traffic arteries and important bridges shall be expressed and marked in proportion or semi-proportion; for administrative divisions, the boundaries of municipalities directly under the Central Government, provinces, municipal boundaries of provinces, and county boundaries and their administrative centers shall be selected. Proportional representation, the administrative center is represented and marked with an independent circle symbol; on the topography, the name and height of the main mountain peaks are marked; the landform represents the main desert, the main forest, and the independent features with important surface significance.

By means of actual measurement or a combination of existing data, according to the scale index and weight index, the mapgis system software is used to demarcate the geographical scope of the exploration area that needs to compile the degree of oil and gas exploration.

Exploration area data includes qualitative data and quantitative data. Qualitative division is mainly based on the stage division of oil and gas exploration in the oil and gas exploration work specification, and the qualitative division is refined into: low exploration level (basin evaluation stage), low exploration level (zone evaluation stage), medium exploration level (trap evaluation stage) stage), relatively high degree of exploration (early stage of reservoir evaluation), and high degree of exploration (late stage of reservoir evaluation), a total of five levels; , drilling control area and other indicators, as shown in Table 1.

FIG. 5 shows a schematic diagram of a digital oil and gas exploration degree map according to an embodiment of the present invention.

Representation method of quantitative indicators: 2D seismic line density, 3D seismic coverage, drilling control area three indicators, which are represented by histogram on thematic map; Reserve data is divided into exploration area estimated oil and gas reserves data, controlled oil and gas reserves Data, proven oil and gas reserves, and exploited oil and gas are represented by pie charts on the thematic map, and the size of the pie chart indicates the scale of reserves.

Representation method of qualitative indicators: use the range method to demarcate the plane projection boundary of the exploration area, and use the background color method to indicate the low exploration degree (basin evaluation stage), low exploration degree (zone evaluation stage), and medium exploration degree (circle evaluation stage) of the exploration area. Figure 5 shows the digital oil and gas exploration degree diagram.

Example 2

Fig. 6 shows a block diagram of an apparatus for compiling a digital oil and gas exploration degree map according to an embodiment of the present invention.

As shown in Figure 6, the preparation device for the digital oil and gas exploration degree map includes:

The projection module 201 performs projection according to the curved surface of the earth to obtain a map projection;

The distribution module 202 determines the coordinate network distribution of the map projection, and establishes a geographic base map;

The calibration module 203 calibrates the exploration area on the geographic base map, draws the exploration area data, and obtains a digital oil and gas exploration degree map.

As a preferred solution, projecting according to the earth's curved surface, obtaining the map projection includes:

Determine the projection method as equal-area projection;

Select the projection surface and perform deformation processing to obtain the map projection.

As a preferred solution, selecting a projection surface and performing deformation processing includes:

Determine two standard parallels;

Between standard wefts, the warp direction length is deformed to a negative value, scaled up, and the weft direction scaled down;

Outside the standard weft, the length in the warp direction is distorted to a positive value, scaled down, and scaled up in the weft direction.

As a preferred solution, determine the coordinate network distribution of the map projection, and establish a geographic basemap including:

Lengthen the meridians between the two standard parallels and shorten the meridians outside the standard parallels, determine the coordinate network distribution of the map projection, and establish a geographic base map.

As a preferred solution, the detection area data includes qualitative data and quantitative data.

As a preferred solution, qualitative data are marked on the geographic basemap through the background color method, and quantitative data are marked on the geographic basemap through a column chart or a pie chart.

As a preferred solution, it also includes:

Select geographic features and mark them on the geographic basemap.

Example 3

The present disclosure provides an electronic device comprising: a memory storing executable instructions; a processor, where the processor runs the executable instructions in the memory to implement the above-mentioned method for compiling a digital oil and gas exploration degree map.

An electronic device according to an embodiment of the present disclosure includes a memory and a processor.

The memory is used to store non-transitory computer readable instructions. In particular, memory may include one or more computer program products, which may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. The volatile memory may include, for example, random access memory (RAM) and/or cache memory (cache), among others. The non-volatile memory may include, for example, read only memory (ROM), hard disk, flash memory, and the like.

The processor may be a central processing unit (CPU) or other form of processing unit having data processing capabilities and/or instruction execution capabilities, and may control other components in the electronic device to perform desired functions. In one embodiment of the present disclosure, the processor is configured to execute the computer-readable instructions stored in the memory.

Those skilled in the art should understand that, in order to solve the technical problem of how to obtain a good user experience effect, this embodiment may also include well-known structures such as a communication bus, an interface, etc., and these well-known structures should also be included in the protection scope of the present disclosure within.

For the detailed description of this embodiment, reference may be made to the corresponding descriptions in the foregoing embodiments, which will not be repeated here.

Example 4

Embodiments of the present disclosure provide a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and when the computer program is executed by a processor, the method for compiling a digital oil and gas exploration degree map can be implemented.

A computer-readable storage medium according to an embodiment of the present disclosure having non-transitory computer-readable instructions stored thereon. When the non-transitory computer-readable instructions are executed by the processor, all or part of the steps of the aforementioned methods of various embodiments of the present disclosure are performed.

The above-mentioned computer readable storage media include but are not limited to: optical storage media (eg CD-ROM and DVD), magneto-optical storage media (eg MO), magnetic storage media (eg magnetic tape or removable hard disk), Media for rewriting non-volatile memory (eg: memory card) and media with built-in ROM (eg: ROM cartridge).

It should be understood by those skilled in the art that the above description of the embodiments of the present invention is only intended to illustrate the beneficial effects of the embodiments of the present invention, and is not intended to limit the embodiments of the present invention to any examples given.

Various embodiments of the present invention have been described above, and the foregoing descriptions are exemplary, not exhaustive, and not limiting of the disclosed embodiments. Numerous modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. A method for compiling a digital oil and gas exploration degree map is characterized by comprising the following steps:

projecting according to the curved surface of the earth to obtain map projection;

determining the coordinate network distribution of the map projection, and establishing a geographic base map;

and calibrating the exploration area on the geographic base map, drawing exploration area data and obtaining a digital oil and gas exploration degree map.

2. The method of compiling a digital hydrocarbon exploration degree map of claim 1, wherein the projecting is performed according to a curved surface of the earth, and obtaining the map projection comprises:

determining a projection mode to be equal product projection;

and selecting a projection plane and carrying out deformation processing to obtain map projection.

3. The method of compiling a digital hydrocarbon exploration degree map of claim 2, wherein the selecting a projection plane and performing a deformation process comprises:

determining two standard wefts;

between the standard wefts, the length deformation in the warp direction is a negative value, the length deformation is amplified in proportion, and the length deformation in the weft direction is reduced in proportion;

besides the standard weft, the length deformation in the warp direction is a positive value, the warp is reduced in proportion, and the weft direction is enlarged in proportion.

4. The method of compiling a digital hydrocarbon exploration severity map of claim 3, wherein determining a grid distribution of said map projections, establishing a geodesic base map comprises:

and lengthening the longitude lines between the two standard latitude lines, shortening the longitude lines except the standard latitude lines, determining the coordinate network distribution of the map projection, and establishing a geographic base map.

5. The method of compiling a digital hydrocarbon exploration severity map of claim 1 wherein said prospect data includes qualitative and quantitative data.

6. The method of compiling a digital hydrocarbon exploration severity map of claim 5 wherein said qualitative data is plotted on said geographic base map by a ground color method and said quantitative data is plotted on said geographic base map by a bar graph or a pie graph.

7. The method of compiling a digital hydrocarbon exploration degree map of claim 1, further comprising:

and selecting the geographic elements and marking the geographic base map.

8. A device for compiling a digital oil and gas exploration degree map is characterized by comprising:

the projection module is used for projecting according to the curved surface of the earth to obtain map projection;

the distribution module is used for determining the coordinate network distribution of the map projection and establishing a geographic base map;

and the calibration module is used for calibrating the exploration area on the geographic base map, drawing exploration area data and obtaining a digital oil and gas exploration degree map.

9. An electronic device, characterized in that the electronic device comprises:

a memory storing executable instructions;

a processor executing the executable instructions in the memory to implement the method of compiling a digital hydrocarbon exploration severity map of any of claims 1-7.

10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by a processor, implements the method of compiling a digital hydrocarbon exploration degree map as claimed in any one of claims 1 to 7.

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