CN112052488A - Method and device for determining well position of land platform - Google Patents
Method and device for determining well position of land platform Download PDFInfo
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Abstract
The invention provides a method and a device for determining a well position of a land platform, wherein the method comprises the following steps: acquiring geological image data, exploration data and environment data of a target land area; obtaining a three-dimensional simulated earth surface of the target area according to geological image data of the target land area; and determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area. The method can determine the well position of the land platform, and has high efficiency and low cost.
Description
Technical Field
The invention relates to the technical field of well position exploration, in particular to a method and a device for determining a well position of a land platform.
Background
With the deep exploration and development of shale gas, the number of shale gas wells is greatly increased (about 2 square kilometers of well positions in an exploration area), exploration and site selection are carried out manually on the spot, and the problems of low efficiency, large workload and the like exist; the traditional method is to design the well position indoors, perform feasibility analysis through on-site survey implementation, and often repeatedly survey one well position for many times due to safety, environmental protection and the like.
Currently, in practical applications, the following technical steps are often required for well position surveying: firstly, determining well position coordinates according to exploration data; second, the surveyor carries out on-site lofting on the coordinates of the well location; and thirdly, carrying out safety and environmental protection risk assessment.
The main problems in the above process are: in the well position designed indoors, after lofting measurement, more than 90% of the well positions cannot meet the requirements of safety and environmental protection due to factors such as complex geology and dense population, and repeated design and field lofting are needed, so that the conventional well selection method has the problems of low efficiency (long period) and high cost (high labor cost and labor intensity).
Disclosure of Invention
The embodiment of the invention provides a method for determining a well position of a land platform, which is used for determining the well position of the land platform and has high efficiency and low cost, and comprises the following steps:
acquiring geological image data, exploration data and environment data of a target land area;
obtaining a three-dimensional simulated earth surface of the target area according to geological image data of the target land area;
and determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area.
The embodiment of the invention provides a device for determining the well position of a land platform, which is used for determining the well position of the land platform and has high efficiency and low cost, and the device comprises:
the data acquisition module is used for acquiring geological image data, exploration data and environment data of a target land area;
the three-dimensional simulation earth surface obtaining module is used for obtaining a three-dimensional simulation earth surface of the target area according to geological image data of the target land area;
and the well position determining module is used for determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area.
The embodiment of the present invention further provides a computer device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the method for determining the well position of the land platform is implemented.
Embodiments of the present invention further provide a computer-readable storage medium storing a computer program for executing the above method for determining a well location of a land platform.
In the embodiment of the invention, geological image data, exploration data and environment data of a target land area are obtained; obtaining a three-dimensional simulated earth surface of the target area according to geological image data of the target land area; and determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area. The embodiment of the invention comprehensively considers geological image data, exploration data and environment data of the target land area, then determines the well position of the land platform, does not need repeated on-site lofting measurement, has high efficiency, saves a large amount of labor cost and has low cost.
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 determining a well location of a land platform according to an embodiment of the present invention;
FIG. 2 is a detailed flow diagram of a method for determining a well location of a land platform in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a land platform well location determination apparatus in an 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.
The well position determined by the prior art needs to be repeatedly designed and subjected to field lofting, so that the conventional well position determining method has the problems of low efficiency and high cost, and therefore, the embodiment of the invention provides the land platform well position determining method and the land platform well position determining device, which do not need to be subjected to repeated field lofting, so that the efficiency is high and the cost is low.
Fig. 1 is a flowchart of a method for determining a well location of a land platform according to an embodiment of the present invention, as shown in fig. 1, the method includes:
102, acquiring a three-dimensional simulated earth surface of a target area according to geological image data of the target land area;
and 103, determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area.
In the embodiment of the invention, geological image data, exploration data and environment data of a target land area are obtained; obtaining a three-dimensional simulated earth surface of the target area according to geological image data of the target land area; and determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area. The embodiment of the invention comprehensively considers geological image data, exploration data and environment data of the target land area, then determines the well position of the land platform, does not need repeated on-site lofting measurement, has high efficiency, saves a large amount of labor cost and has low cost.
In step 101, geological image data, survey data and environmental data of the target land area are acquired, and various methods for acquiring the data are available, which are not described in detail herein. In step 102, a three-dimensional simulated earth surface of the target area is obtained according to geological image data of the target land area, wherein the three-dimensional simulated earth surface is generally constructed in a three-dimensional virtual scene, the construction methods are various, and mature construction software such as ANSYS, OpenGL and the like exists; determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area, wherein the determined well position of the land platform has high precision, the field lofting is not needed, the well position can be directly applied at the later stage, and the environment data is considered, so that the well position is in accordance with the safety and production requirements; the construction process has high efficiency and low cost.
In specific implementation, there are various methods for obtaining the three-dimensional simulated earth surface of the target land area according to the geological image data of the target land area, and one embodiment is given below.
In one embodiment, obtaining a three-dimensional simulated surface of a target region according to geological image data of the target land region includes:
acquiring a digital earth surface model of the target land area according to the geological image data of the target land area;
acquiring a digital orthographic image model of the target land area according to the geological image data and the digital earth surface model of the target land area;
and constructing a three-dimensional simulation earth surface of the target area in the three-dimensional virtual scene according to the digital earth surface model and the digital orthographic image model of the target land area.
In the above embodiments, the Digital Surface Model (DSM) is a ground Elevation Model including heights of Surface buildings, bridges, trees, and the like, and compared with a Digital Elevation Model (DEM), the DEM includes only Elevation information of a terrain and does not include other Surface information, and the DSM further includes elevations of Surface information other than the ground on the basis of the DEM. In some areas where building height is a requirement, a great deal of attention is paid to the fact that DSM represents the most realistic relief situation.
The method for obtaining the digital earth surface model of the target land area may be various, for example, the geological image data of the target land area is subjected to processes such as stitching, space triangle calculation, ground fine correction, and the like, and it is understood that other processing modes may be included, which are not described herein again.
Digital ortho-imagery (DOM) models utilize Digital earth surface models to correct for differences in projection of geological image data (e.g., scanned digitized aerial photographs) on a pixel-by-pixel basis, and then mosaic image-by-image basis, and crop the generated image data according to the range of the image frame. Therefore, the process of obtaining the digital earth surface model and the digital orthographic image model of the target land area includes obtaining the digital earth surface model of the target land area according to the geological image data of the target land area, and obtaining the digital orthographic image model by using the digital earth surface model.
After the digital earth surface model and the digital orthographic projection image model of the target land area exist, the three-dimensional simulation earth surface of the target area can be constructed in the three-dimensional virtual scene, and the three-dimensional simulation earth surface of the target area can be constructed in the three-dimensional virtual scene provided by the geographic information system.
In particular, the method for determining the position of a land platform well based on survey data, environmental data and the three-dimensional simulated surface of a target land area may include a variety of methods, one example of which is provided below.
In one embodiment, determining a land platform well location based on survey data, environmental data, and a three-dimensional simulated surface of a target land area comprises:
adding exploration data of a target land area into a three-dimensional virtual scene to obtain a three-dimensional simulated earth surface comprising the exploration data;
determining an initial position of a land platform well location according to a three-dimensional simulated earth surface comprising exploration data;
screening out the land platform well position meeting the environment data from the initial position of the land platform well position according to the environment data of the target land area;
and determining the optimal land platform well position from the screened land platform well position meeting the environmental data according to the exploration data of the target land area.
In one embodiment, before adding the exploration data of the target land area to the three-dimensional virtual scene and obtaining the three-dimensional simulated ground surface comprising the exploration data, the method further comprises the following steps:
vectorizing the exploration data of the target land area;
adding exploration data of a target land area into a three-dimensional virtual scene to obtain a three-dimensional simulated ground surface comprising the exploration data, wherein the three-dimensional simulated ground surface comprises the following steps:
and adding the vectorized exploration data of the target land area into the three-dimensional virtual scene to obtain a three-dimensional simulated earth surface comprising the exploration data.
In specific implementation, the three-dimensional virtual scene contains vector data, so that before the exploration data of the target land area is added into the three-dimensional virtual scene, the exploration data of the target land area needs to be vectorized, and the obtained three-dimensional simulated earth surface is the three-dimensional simulated earth surface containing the exploration data.
In one embodiment, determining an initial position of a land platform well site from a three-dimensional simulated surface including survey data comprises:
and determining the initial position of the well position of the land platform by adopting a contour or gradient map according to the three-dimensional simulated earth surface comprising the exploration data.
In the above embodiments, the initial selection of the landrace well position is performed from the three-dimensional simulated earth surface including the exploration data by using a contour or slope diagram, but it is understood that the landrace well position may be initially selected in other manners, and all the related variations should fall within the scope of the present invention.
When the initial position of the well position of the land platform is determined, the environmental data of the target land area is not considered, so the obtained well position generally does not meet the requirements of safety and environmental protection, and therefore, the well position of the land platform meeting the environmental data is screened out from the initial position of the well position of the land platform according to the environmental data of the target land area, the process is equivalent to the optimal process of the well position, and the obtained well position is accurate at the moment.
And finally, according to exploration data of a target land area, determining the optimal land platform well position from the screened land platform well positions meeting the environmental data, wherein the process is equivalent to a well position selecting process, the success rate is over 95% after field lofting measurement is carried out through the selected well position, the precision is very high, and the process changes a large amount of field exploration work into indoor work, so that the well position can not be determined when a user is out, the efficiency is high, and the cost is low.
In one embodiment, the geological image data of the target land area includes a plurality of types, and one example is given below.
In one embodiment, obtaining geological image data of a target land area comprises:
and acquiring geological image data of the target land area by adopting unmanned aerial vehicle low-altitude aerial photography.
The geological image data obtained by the method are clear, the low-altitude aerial photography technology of the unmanned aerial vehicle is mature, and the application is convenient.
In one embodiment, the survey data for the target land area includes one or any combination of geological data, formation data, burial depth data, and pressure data for the target land area.
Of course, it is understood that survey data for a target land area may include other data, to name a few examples, and that variations are contemplated as falling within the scope of the present invention.
In one embodiment, the environmental data of the target land area includes one or any combination of building data, water source data, population occupancy data, and road traffic data of the target land area.
Of course, it is understood that the environmental data of the target land area may also include other data, just to name a few examples, and all such variations are intended to fall within the scope of the present invention.
Because the embodiment of the invention considers a large amount of environmental data and exploration data, the well position determined by the method provided by the embodiment of the invention can facilitate the subsequent assessment of the construction difficulty of the well site, namely, the rapid assessment of the well site measurement, the well site digging and filling amount calculation, the traffic distance from the nearest road, the nearest water source distance and the like; meanwhile, the safety risk and environmental protection evaluation of the well site can be conveniently and subsequently evaluated, namely, the evaluation is carried out according to factors such as water sources (such as reservoirs), buildings and population (such as fishponds, towns, schools and factories). Therefore, the method provided by the embodiment of the invention can be widely applied to the exploration and selection of the oil and gas exploration well position, and can also be applied to the design of oil and gas transmission pipeline routes, the safety production of oil and gas exploration and the risk assessment.
In summary of the above embodiments, fig. 2 is a detailed flowchart of a method for determining a well location of an earth platform according to an embodiment of the present invention, as shown in fig. 2, and therefore, in an embodiment, the detailed flowchart of the method for determining a well location of an earth platform includes:
208, screening out the land platform well position meeting the environmental data from the initial position of the land platform well position according to the environmental data of the target land area;
and step 209, determining the optimal land platform well position from the screened land platform well position meeting the environmental data according to the exploration data of the target land area.
Of course, it should be understood that there may be other variations to the above-described detailed procedures of the land platform well location determination method, and all such variations are intended to fall within the scope of the present invention.
In the method for determining the well position of the land platform, provided by the embodiment of the invention, geological image data, exploration data and environment data of a target land area are obtained; obtaining a three-dimensional simulated earth surface of the target area according to geological image data of the target land area; and determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area. The embodiment of the invention comprehensively considers geological image data, exploration data and environment data of the target land area, then determines the well position of the land platform, does not need repeated on-site lofting measurement, has high efficiency, saves a large amount of labor cost and has low cost.
Based on the same inventive concept, the embodiment of the invention also provides a land platform well position determining device, which is described in the following embodiment. Because the principles for solving the problems are similar to the method for determining the well position of the land platform, the implementation of the device can be referred to the implementation of the method, and repeated details are not repeated.
FIG. 3 is a schematic diagram of an apparatus for determining a well location of a land platform according to an embodiment of the present invention, as shown in FIG. 3, the apparatus comprising:
the data acquisition module 301 is configured to acquire geological image data, exploration data, and environmental data of a target land area;
a three-dimensional simulated earth surface obtaining module 302, configured to obtain a three-dimensional simulated earth surface of a target region according to geological image data of the target land region;
and the well position determining module 303 is used for determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area.
In an embodiment, the three-dimensional simulated surface obtaining module 302 is specifically configured to:
acquiring a digital earth surface model of the target land area according to the geological image data of the target land area;
acquiring a digital orthographic image model of the target land area according to the geological image data and the digital earth surface model of the target land area;
and constructing a three-dimensional simulation earth surface of the target area in the three-dimensional virtual scene according to the digital earth surface model and the digital orthographic image model of the target land area.
In an embodiment, the well location determining module 303 is specifically configured to:
adding exploration data of a target land area into a three-dimensional virtual scene to obtain a three-dimensional simulated earth surface comprising the exploration data;
determining an initial position of a land platform well location according to a three-dimensional simulated earth surface comprising exploration data;
screening out the land platform well position meeting the environment data from the initial position of the land platform well position according to the environment data of the target land area;
and determining the optimal land platform well position from the screened land platform well position meeting the environmental data according to the exploration data of the target land area.
In an embodiment, the well location determining module 303 is specifically configured to:
vectorizing the exploration data of the target land area;
and adding the vectorized exploration data of the target land area into the three-dimensional virtual scene to obtain a three-dimensional simulated earth surface comprising the exploration data.
In an embodiment, the data obtaining module 301 is specifically configured to:
and determining the initial position of the well position of the land platform by adopting a contour or gradient map according to the three-dimensional simulated earth surface comprising the exploration data.
In the land platform well position determining device provided by the embodiment of the invention, geological image data, exploration data and environment data of a target land area are obtained; obtaining a three-dimensional simulated earth surface of the target area according to geological image data of the target land area; and determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area. The embodiment of the invention comprehensively considers geological image data, exploration data and environment data of the target land area, then determines the well position of the land platform, does not need repeated on-site lofting measurement, has high efficiency, saves a large amount of labor cost and has low cost.
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 (11)
1. A method for determining a well location of a land platform, comprising:
acquiring geological image data, exploration data and environment data of a target land area;
obtaining a three-dimensional simulated earth surface of the target area according to geological image data of the target land area;
and determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area.
2. The method of determining a position of a land platform well site of claim 1, wherein obtaining a three-dimensional simulated surface of the target area from the geological image data of the target land area comprises:
acquiring a digital earth surface model of the target land area according to the geological image data of the target land area;
acquiring a digital orthographic image model of the target land area according to the geological image data and the digital earth surface model of the target land area;
and constructing a three-dimensional simulation earth surface of the target area in the three-dimensional virtual scene according to the digital earth surface model and the digital orthographic image model of the target land area.
3. The method of determining a land platform well position according to claim 2, wherein determining a land platform well position based on the survey data, the environmental data, and the three-dimensional simulated surface of the target land area comprises:
adding exploration data of a target land area into a three-dimensional virtual scene to obtain a three-dimensional simulated earth surface comprising the exploration data;
determining an initial position of a land platform well location according to a three-dimensional simulated earth surface comprising exploration data;
screening out the land platform well position meeting the environment data from the initial position of the land platform well position according to the environment data of the target land area;
and determining the optimal land platform well position from the screened land platform well position meeting the environmental data according to the exploration data of the target land area.
4. The method of determining a land platform well position of claim 3, wherein prior to adding survey data for the target land area to the three-dimensional virtual scene, obtaining a three-dimensional simulated surface including the survey data, further comprises:
vectorizing the exploration data of the target land area;
adding exploration data of a target land area into a three-dimensional virtual scene to obtain a three-dimensional simulated ground surface comprising the exploration data, wherein the three-dimensional simulated ground surface comprises the following steps:
and adding the vectorized exploration data of the target land area into the three-dimensional virtual scene to obtain a three-dimensional simulated earth surface comprising the exploration data.
5. A method of determining a location of a land platform well site as defined in claim 3, wherein determining an initial location of the land platform well site from the three dimensional simulated surface including survey data comprises:
and determining the initial position of the well position of the land platform by adopting a contour or gradient map according to the three-dimensional simulated earth surface comprising the exploration data.
6. The method of determining a land platform well position of claim 1, wherein obtaining geological image data of a target land area comprises:
and acquiring geological image data of the target land area by adopting unmanned aerial vehicle low-altitude aerial photography.
7. The method of determining a land platform well position of claim 1, wherein the survey data for the target land area comprises one or any combination of geological data, formation data, burial depth data, and pressure data for the target land area.
8. The method of land platform well site determination of claim 1, wherein the environmental data of the target land area comprises one or any combination of construction data, water source data, population occupancy data, and road traffic data of the target land area.
9. An apparatus for determining a land platform well location, comprising:
the data acquisition module is used for acquiring geological image data, exploration data and environment data of a target land area;
the three-dimensional simulation earth surface obtaining module is used for obtaining a three-dimensional simulation earth surface of the target area according to geological image data of the target land area;
and the well position determining module is used for determining the well position of the land platform according to the exploration data, the environment data and the three-dimensional simulation earth surface of the target land area.
10. 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 8 when executing the computer program.
11. 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 8.
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