CN112764092A - Detection point position positioning method and system - Google Patents
Detection point position positioning method and system Download PDFInfo
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- CN112764092A CN112764092A CN201910999978.6A CN201910999978A CN112764092A CN 112764092 A CN112764092 A CN 112764092A CN 201910999978 A CN201910999978 A CN 201910999978A CN 112764092 A CN112764092 A CN 112764092A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000523 sample Substances 0.000 claims description 35
- 238000004590 computer program Methods 0.000 claims description 12
- 238000003708 edge detection Methods 0.000 claims description 5
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- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
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Abstract
The invention provides a method and a system for positioning a position of a wave detection point. The method for positioning the position of the wave detection point comprises the following steps: acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point; calculating the offset distance between each shot point and each potential wave detection point according to the position of each shot point and the position of each potential wave detection point; acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point; acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential detection point corresponding to the maximum value as an actual detection point position; and when the actual detection point position is different from the preset detection point position, replacing the preset detection point position with the actual detection point position. The invention can eliminate the difference between the actual position and the design position and ensure the accuracy of data.
Description
Technical Field
The invention relates to the technical field of petroleum seismic exploration, in particular to a method and a system for positioning a position of a wave detection point.
Background
The detector is used as a receiver of seismic signals in petroleum seismic exploration, and whether the position of the detector is correct or not determines the quality of seismic data. The landform conditions faced by mountain seismic exploration are complex, and technicians are required to carry out field quality control during burying operation, so that the burying of the detector is greatly influenced by human subjective factors, a large amount of manpower and material resources are consumed, and the efficiency is low. In addition, the difference between the actual position of the geophone and the design position also affects the accuracy of the seismic data processing.
Disclosure of Invention
The embodiment of the invention mainly aims to provide a detection point position positioning method and system to eliminate the difference between the actual position and the design position, ensure the accuracy of data, reduce the cost and improve the efficiency.
In order to achieve the above object, an embodiment of the present invention provides a method for positioning a position of a detection point, including:
acquiring common-detection-point data corresponding to each shot point; wherein the number of the shot points is multiple;
acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point;
acquiring the position of each shot point and the position of each potential demodulator probe; wherein the number of potential wave detection points is multiple;
calculating the offset distance between each shot point and each potential wave detection point according to the position of each shot point and the position of each potential wave detection point;
acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point;
acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential detection point corresponding to the maximum value as an actual detection point position;
judging whether the actual position of the wave detection point is the same as the preset position of the wave detection point or not;
and when the actual detection point position is different from the preset detection point position, replacing the preset detection point position with the actual detection point position.
An embodiment of the present invention further provides a system for positioning a position of a probe, including:
the common-detection-wave-point data unit is used for acquiring common-detection-wave-point data corresponding to each shot point; wherein the number of the shot points is multiple;
the first arrival time unit is used for acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point;
a location unit for obtaining a location of each shot point and a location of each potential demodulator probe; wherein the number of potential wave detection points is multiple;
the computing unit is used for computing the offset distance between each shot point and each potential demodulator probe according to the position of each shot point and the position of each potential demodulator probe;
the incremental relation value unit is used for acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point;
the actual detection point position unit is used for acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential detection point corresponding to the maximum value as the actual detection point position;
the judging unit is used for judging whether the actual position of the wave detection point is the same as the preset position of the wave detection point;
and the replacing unit is used for replacing the position of the preset detection point with the position of the actual detection point when the position of the actual detection point is different from the position of the preset detection point.
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 capable of running on the processor, and when the processor executes the computer program, the following steps are implemented:
acquiring common-detection-point data corresponding to each shot point; wherein the number of the shot points is multiple;
acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point;
acquiring the position of each shot point and the position of each potential demodulator probe; wherein the number of potential wave detection points is multiple;
calculating the offset distance between each shot point and each potential wave detection point according to the position of each shot point and the position of each potential wave detection point;
acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point;
acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential detection point corresponding to the maximum value as an actual detection point position;
judging whether the actual position of the wave detection point is the same as the preset position of the wave detection point or not;
and when the actual detection point position is different from the preset detection point position, replacing the preset detection point position with the actual detection point position.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the following steps:
acquiring common-detection-point data corresponding to each shot point; wherein the number of the shot points is multiple;
acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point;
acquiring the position of each shot point and the position of each potential demodulator probe; wherein the number of potential wave detection points is multiple;
calculating the offset distance between each shot point and each potential wave detection point according to the position of each shot point and the position of each potential wave detection point;
acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point;
acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential detection point corresponding to the maximum value as an actual detection point position;
judging whether the actual position of the wave detection point is the same as the preset position of the wave detection point or not;
and when the actual detection point position is different from the preset detection point position, replacing the preset detection point position with the actual detection point position.
The method and the system for locating the position of the wave detection point of the embodiment of the invention firstly acquire the first arrival time corresponding to each shot point according to the common wave detection point data corresponding to each shot point, then calculate the offset distance between each shot point and each potential wave detection point according to the position of each shot point and the position of each potential wave detection point, then acquire the incremental relation value of the offset distance corresponding to each potential wave detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential wave detection point and each shot point, then acquire the maximum value from the incremental relation values of the multiple offset distances and the first arrival time, take the position of the potential wave detection point corresponding to the maximum value as the position of the actual wave detection point, and replace the position of the preset wave detection point with the position of the actual wave detection point to process the seismic data according to the position of the actual wave detection point when the position is different from the position of the preset wave detection point, the difference between the actual position and the design position is eliminated, the accuracy of data is guaranteed, the cost is reduced, and the efficiency is improved.
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 will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a flow chart of a method for locating a position of a detection point in an embodiment of the present invention;
FIG. 2 is a flowchart of S105 according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a pickup point and a corresponding shot point in an embodiment of the present invention;
FIG. 4 is a schematic diagram of the gridding of the pickup points and the corresponding shot points in the embodiment of the present invention;
FIG. 5 is a graph of the offset of the grid 15 versus the first arrival time in an embodiment of the present invention;
FIG. 6 is a graph of offset versus first arrival time for the grid 18 in an embodiment of the present invention;
FIG. 7 is a diagram illustrating the offset of grid 1 versus the first arrival time according to an embodiment of the present invention;
FIG. 8 is a graph of offset versus first arrival time for the grid 29 in an embodiment of the present invention;
FIG. 9 is a block diagram of a system for locating positions of wave detection locations in accordance with an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As will be appreciated by one skilled in the art, embodiments of the present invention may be embodied as a system, apparatus, device, method, or computer program product. Accordingly, the present disclosure may be embodied in the form of: entirely hardware, entirely software (including firmware, resident software, micro-code, etc.), or a combination of hardware and software.
In view of the fact that the prior art does not consume a large amount of manpower and material resources, is low in efficiency and low in data accuracy, the embodiment of the invention provides a method and a system for positioning a position of a wave detection point, so that the difference between an actual position and a designed position is eliminated, the accuracy of data is ensured, the cost is reduced, and the efficiency is improved. The present invention will be described in detail below with reference to the accompanying drawings.
In petroleum seismic exploration, each geophone receives a seismic signal with a corresponding excitation shot, and the distance between the shot and the geophone is called the offset (offset). According to the propagation rule of seismic waves, the smaller the offset, the earlier the signal of the direct wave reaches the detector, namely the earlier the first arrival jump is, and the shorter the first arrival time is. And if the position of the detection point is correct, only detecting whether the first arrival time corresponding to the detection point increases along with the increase of the offset distance, screening all potential positions, and selecting the position with the best increasing relation to be regarded as the actual detection point position.
Fig. 1 is a flowchart of a method for locating a position of a detection point according to an embodiment of the present invention. As shown in fig. 1, the method for locating the position of the detection point includes:
s101: acquiring common-detection-point data corresponding to each shot point; wherein the number of the shot points is multiple.
In specific implementation, S101 includes: acquiring a seismic signal corresponding to each shot point; and performing gather extraction on the seismic signals corresponding to each shot point to obtain common-detection-point data corresponding to each shot point.
S102: and acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point.
The common-detection-point data corresponding to each shot point can be processed by adopting a preset edge detection algorithm, and the first arrival time corresponding to each shot point is obtained.
S103: acquiring the position of each shot point and the position of each potential demodulator probe; wherein the number of potential detection points is multiple.
The detectors may be gridded to positions within the shot range, with the center point of each grid being the position of a potential geophone point.
S104: and calculating the offset distance between each shot point and each potential demodulator probe according to the position of each shot point and the position of each potential demodulator probe.
S105: and acquiring an increasing relation value of the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point.
S106: and acquiring a maximum value from the incremental relation values of the plurality of offset distances and the first arrival time, and taking the position of the potential detection point corresponding to the maximum value as the actual detection point position.
S107: and judging whether the actual position of the wave detection point is the same as the preset position of the wave detection point.
S108: and when the actual detection point position is different from the preset detection point position, replacing the preset detection point position with the actual detection point position.
The main body for executing the demodulator probe position locating method shown in fig. 1 may be a computer. As can be seen from the process shown in fig. 1, the method for locating the position of a geophone point according to the embodiment of the present invention first obtains the first arrival time corresponding to each shot point according to the common geophone point data corresponding to each shot point, then calculates the offset distance between each shot point and each potential geophone point according to the position of each shot point and the position of each potential geophone point, then obtains the incremental relationship value between the offset distance corresponding to each potential geophone point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential geophone point and each shot point, then obtains the maximum value from the incremental relationship values between the offset distances and the first arrival times, takes the position of the potential geophone point corresponding to the maximum value as the actual geophone point position, and when the actual geophone point position is different from the preset geophone point position, replaces the preset geophone point position with the actual geophone point position to process seismic data according to the actual geophone point position, the difference between the actual position and the design position is eliminated, the accuracy of data is guaranteed, the cost is reduced, and the efficiency is improved.
Fig. 2 is a flowchart of S105 according to an embodiment of the present invention. As shown in fig. 2, S105 includes:
s201: an initial incremental relationship value is obtained.
S202: sequencing a plurality of offset distances corresponding to each potential detection point from small to large; wherein, the offset distance corresponds to the first arrival time one by one.
S203: and respectively comparing the first arrival time corresponding to each offset with the first arrival time corresponding to each offset sequenced after the offset.
S204: and when the first arrival time corresponding to the offset distance is less than the first arrival time corresponding to the offset distance sequenced after the offset distance, increasing the initial incremental relationship value by a preset value.
The specific flow of one embodiment of the invention is as follows:
1. acquiring a seismic signal corresponding to each shot point; and performing gather extraction on the seismic signals corresponding to each shot point to obtain common-detection-point data corresponding to each shot point.
2. And processing the common detection point data corresponding to each shot point by adopting a preset edge detection algorithm to obtain the first arrival time corresponding to each shot point. FIG. 3 is a schematic diagram of a pickup point and a corresponding shot point in an embodiment of the present invention. As shown in fig. 3, the cross in the diagram is a geophone point, the forty-eight circles are forty-eight shot points, and the first arrival time is the time taken for the seismic wave to be excited from the shot point until the geophone receives a signal.
3. The location of each shot and the location of each potential demodulator probe are obtained.
FIG. 4 is a schematic diagram of gridding the pickup points and the corresponding shot points according to an embodiment of the present invention. As shown in fig. 4, the detectors may be gridded with locations within shot boundaries, with the center point of each grid being the location of a potential geophone point. There are a total of forty grids in fig. 4, i.e., there are forty potential detection point locations.
4. And calculating the offset distance between each shot point and each potential demodulator probe according to the position of each shot point and the position of each potential demodulator probe.
5. An initial incremental relationship value is obtained.
Where the initial incremental relationship value may be 0.
6. Sequencing a plurality of offset distances corresponding to each potential detection point from small to large; wherein, the offset distance corresponds to the first arrival time one by one.
7. Respectively comparing the first arrival time corresponding to each offset with the first arrival time corresponding to each offset sequenced after the offset: and when the first arrival time corresponding to the offset distance is less than the first arrival time corresponding to the offset distance sequenced after the offset distance, increasing the initial incremental relationship value by a preset value.
Wherein, the preset value can be 1. As shown in fig. 4, 48 shots are counted, the first arrival time corresponding to the first offset distance is compared with the second first arrival time corresponding to the second offset distance and the third first arrival time … … corresponding to the third offset distance, and the forty-eight first arrival time corresponding to the forty-eight offset distance, respectively, and the incremental relation value is increased by 1 each time the first arrival time is smaller than the subsequent first arrival time. The initial incremental relationship value is 0, and if the first-arrival time is less than all the subsequent first-arrival times, the incremental relationship value is increased by 47, and the incremental relationship value is 47.
Then, the second first-arrival time corresponding to the second offset is compared with the third first-arrival time corresponding to the third offset and the fourth first-arrival time corresponding to the fourth offset … … and the forty-eight first-arrival time corresponding to the forty-eight offset, and the incremental relation value is increased by 1 every time the second first-arrival time is less than the subsequent first-arrival time. By analogy, all first-arrival times are compared with the sorted first-arrival times to calculate the final magnitude of the incremental relationship value.
8. And acquiring a maximum value from the incremental relation values of the plurality of offset distances and the first arrival time, and taking the position of the potential detection point corresponding to the maximum value as the actual detection point position.
Fig. 5 is a diagram illustrating the relationship between the offset of the grid 15 and the first arrival time according to the embodiment of the present invention. Fig. 6 is a diagram illustrating the offset of the grid 18 corresponding to the first arrival time in the embodiment of the present invention. Fig. 7 is a diagram illustrating the relationship between the offset of the grid 1 and the first arrival time in the embodiment of the present invention. Fig. 8 is a diagram illustrating the relationship between the offset of the grid 29 and the first arrival time according to the embodiment of the present invention. The offset of the grid is the offset between the center point of the grid and each shot. As shown in fig. 5 to 8, the horizontal axis of fig. 5 to 8 is the offset distance, the vertical axis is the first arrival time, and the incremental relationship between the offset distance and the first arrival time of the grid 15 is the best, and the incremental relationship value is the maximum value among the forty incremental relationship values.
9. Judging whether the actual position of the wave detection point is the same as the preset position of the wave detection point: and when the actual detection point position is different from the preset detection point position, replacing the preset detection point position with the actual detection point position.
The crosses representing the detection points in fig. 4 are located in the grid 15, indicating that the actual detection point position is the same as the preset detection point position, the preset detection point position is correct, and the preset detection point position does not need to be replaced with the actual detection point position.
10. The seismic data are processed by adopting the actual demodulator probe position, so that the difference between the actual position and the designed position can be eliminated, and the accuracy of the data is ensured.
In summary, the method for locating the position of a geophone site according to the embodiment of the present invention first obtains the first arrival time corresponding to each shot according to the common geophone site data corresponding to each shot, then calculates the offset distance between each shot and each potential geophone site according to the position of each shot and the position of each potential geophone site, then obtains the incremental relationship value between the offset distance corresponding to each potential geophone site and the first arrival time according to the first arrival time corresponding to each shot and the offset distance between each potential geophone site and each shot, then obtains the maximum value from the incremental relationship values between the offset distances and the first arrival times, takes the position of the potential geophone site corresponding to the maximum value as the actual geophone site position, and replaces the actual geophone site position with the actual geophone site position to process seismic data according to the actual geophone site position when the actual geophone site position is different from the predetermined geophone site position, the difference between the actual position and the design position is eliminated, the accuracy of data is guaranteed, the cost is reduced, and the efficiency is improved.
Based on the same inventive concept, the embodiment of the invention also provides a system for positioning the position of the detection point, and as the principle of solving the problem of the system is similar to the method for positioning the position of the detection point, the implementation of the system can refer to the implementation of the method, and repeated parts are not described again.
FIG. 9 is a block diagram of a system for locating positions of wave detection locations in accordance with an embodiment of the present invention. As shown in fig. 9, the detection point position locating system includes:
the common-detection-wave-point data unit is used for acquiring common-detection-wave-point data corresponding to each shot point; wherein the number of the shot points is multiple;
the first arrival time unit is used for acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point;
a location unit for obtaining a location of each shot point and a location of each potential demodulator probe; wherein the number of potential wave detection points is multiple;
the computing unit is used for computing the offset distance between each shot point and each potential demodulator probe according to the position of each shot point and the position of each potential demodulator probe;
the incremental relation value unit is used for acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point;
the actual detection point position unit is used for acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential detection point corresponding to the maximum value as the actual detection point position;
the judging unit is used for judging whether the actual position of the wave detection point is the same as the preset position of the wave detection point;
and the replacing unit is used for replacing the position of the preset detection point with the position of the actual detection point when the position of the actual detection point is different from the position of the preset detection point.
In one embodiment, the increment relation value unit is specifically configured to:
acquiring an initial incremental relation value;
sequencing a plurality of offset distances corresponding to each potential detection point from small to large; wherein, the offset distance corresponds to the first arrival time one by one;
comparing the first arrival time corresponding to each offset with the first arrival time corresponding to each offset sequenced after the offset;
and when the first arrival time corresponding to the offset distance is less than the first arrival time corresponding to the offset distance sequenced after the offset distance, increasing the initial incremental relationship value by a preset value.
In one embodiment, the common-detector-point data unit is specifically configured to:
acquiring a seismic signal corresponding to each shot point;
and performing gather extraction on the seismic signals corresponding to each shot point to obtain common-detection-point data corresponding to each shot point.
In one embodiment, the first arrival time unit is specifically configured to:
and processing the common detection point data corresponding to each shot point by adopting a preset edge detection algorithm to obtain the first arrival time corresponding to each shot point.
In summary, the system for locating positions of geophones according to the embodiments of the present invention first obtains the first arrival time corresponding to each shot according to the common geophone data corresponding to each shot, then calculates the offset distance between each shot and each potential geophone according to the position of each shot and the position of each potential geophone, then obtains the incremental relationship value between the offset distance corresponding to each potential geophone and the first arrival time according to the first arrival time corresponding to each shot and the offset distance between each potential geophone and each shot, then obtains the maximum value from the incremental relationship values between the offset distances and the first arrival time, takes the position of the potential geophone corresponding to the maximum value as the actual geophone position, and when the actual geophone position is different from the preset geophone position, replaces the preset geophone position with the actual geophone position to process seismic data according to the actual geophone position, the difference between the actual position and the design position is eliminated, the accuracy of data is guaranteed, the cost is reduced, and the efficiency is improved.
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 capable of running on the processor, and when the processor executes the computer program, the following steps are implemented:
acquiring common-detection-point data corresponding to each shot point; wherein the number of the shot points is multiple;
acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point;
acquiring the position of each shot point and the position of each potential demodulator probe; wherein the number of potential wave detection points is multiple;
calculating the offset distance between each shot point and each potential wave detection point according to the position of each shot point and the position of each potential wave detection point;
acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point;
acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential detection point corresponding to the maximum value as an actual detection point position;
judging whether the actual position of the wave detection point is the same as the preset position of the wave detection point or not;
and when the actual detection point position is different from the preset detection point position, replacing the preset detection point position with the actual detection point position.
In summary, the computer device according to the embodiment of the present invention first obtains the first arrival time corresponding to each shot point according to the common geophone point data corresponding to each shot point, then calculates the offset distance between each shot point and each potential geophone point according to the position of each shot point and the position of each potential geophone point, then obtains the incremental relationship value between the offset distance corresponding to each potential geophone point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential geophone point and each shot point, then obtains the maximum value from the incremental relationship values between the multiple offset distances and the first arrival time, takes the position of the potential geophone point corresponding to the maximum value as the actual geophone point position, and replaces the actual geophone point position with the actual geophone point position to process the seismic data according to the actual geophone point position when the actual geophone point position is different from the predetermined geophone point position, the difference between the actual position and the design position is eliminated, the accuracy of data is guaranteed, the cost is reduced, and the efficiency is improved.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the following steps:
acquiring common-detection-point data corresponding to each shot point; wherein the number of the shot points is multiple;
acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point;
acquiring the position of each shot point and the position of each potential demodulator probe; wherein the number of potential wave detection points is multiple;
calculating the offset distance between each shot point and each potential wave detection point according to the position of each shot point and the position of each potential wave detection point;
acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point;
acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential detection point corresponding to the maximum value as an actual detection point position;
judging whether the actual position of the wave detection point is the same as the preset position of the wave detection point or not;
and when the actual detection point position is different from the preset detection point position, replacing the preset detection point position with the actual detection point position.
In summary, the computer-readable storage medium according to the embodiment of the present invention first obtains the first arrival time corresponding to each shot point according to the common geophone point data corresponding to each shot point, then calculates the offset distance between each shot point and each potential geophone point according to the position of each shot point and the position of each potential geophone point, then obtains the incremental relationship value between the offset distance corresponding to each potential geophone point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential geophone point and each shot point, then obtains the maximum value from the incremental relationship values between the multiple offset distances and the first arrival time, takes the position of the potential geophone point corresponding to the maximum value as the actual geophone point position, and when the actual geophone point position is different from the preset geophone point position, replaces the preset geophone point position with the actual geophone point position to process the seismic data according to the actual geophone point position, the difference between the actual position and the design position is eliminated, the accuracy of data is guaranteed, the cost is reduced, and the efficiency is improved.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method for locating a position of a detection point, comprising:
acquiring common-detection-point data corresponding to each shot point; wherein the number of the shot points is multiple;
acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point;
acquiring the position of each shot point and the position of each potential demodulator probe; wherein the number of the potential wave detection points is multiple;
calculating the offset distance between each shot point and each potential wave detection point according to the position of each shot point and the position of each potential wave detection point;
acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point;
acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential detection point corresponding to the maximum value as an actual detection point position;
judging whether the position of the actual detection point is the same as the position of a preset detection point or not;
and when the actual detection point position is different from the preset detection point position, replacing the preset detection point position with the actual detection point position.
2. The method of claim 1, wherein obtaining an increasing relationship between the offset and the first arrival time for each potential detection point comprises:
acquiring an initial incremental relation value;
sequencing a plurality of offset distances corresponding to each potential detection point from small to large; wherein the offset distances correspond to the first arrival times one to one;
comparing the first arrival time corresponding to each offset with the first arrival time corresponding to each offset sequenced after the offset;
and when the first arrival time corresponding to the offset distance is less than the first arrival time corresponding to the offset distance sequenced after the offset distance, increasing the initial incremental relationship value by a preset value.
3. The method for locating the position of a probe point according to claim 2, wherein obtaining the common probe point data corresponding to each shot point comprises:
acquiring a seismic signal corresponding to each shot point;
and performing gather extraction on the seismic signals corresponding to each shot point to obtain common-detection-point data corresponding to each shot point.
4. The method for locating the position of a probe point according to claim 2, wherein obtaining the first arrival time corresponding to each shot point according to the common probe point data corresponding to each shot point comprises:
and processing the common detection point data corresponding to each shot point by adopting a preset edge detection algorithm to obtain the first arrival time corresponding to each shot point.
5. A system for locating a position of a probe, comprising:
the common-detection-wave-point data unit is used for acquiring common-detection-wave-point data corresponding to each shot point; wherein the number of the shot points is multiple;
the first arrival time unit is used for acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point;
a location unit for obtaining a location of each shot point and a location of each potential demodulator probe; wherein the number of the potential wave detection points is multiple;
the computing unit is used for computing the offset distance between each shot point and each potential demodulator probe according to the position of each shot point and the position of each potential demodulator probe;
the incremental relation value unit is used for acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point;
the actual demodulator probe position unit is used for acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential demodulator probe corresponding to the maximum value as the actual demodulator probe position;
the judging unit is used for judging whether the actual position of the wave detection point is the same as the position of a preset wave detection point or not;
and the replacing unit is used for replacing the position of the preset detection point with the position of the actual detection point when the position of the actual detection point is different from the position of the preset detection point.
6. The system according to claim 5, wherein the incremental relationship value unit is specifically configured to:
acquiring an initial incremental relation value;
sequencing a plurality of offset distances corresponding to each potential detection point from small to large; wherein the offset distances correspond to the first arrival times one to one;
comparing the first arrival time corresponding to each offset with the first arrival time corresponding to each offset sequenced after the offset;
and when the first arrival time corresponding to the offset distance is less than the first arrival time corresponding to the offset distance sequenced after the offset distance, increasing the initial incremental relationship value by a preset value.
7. The system according to claim 6, wherein the common probe data unit is specifically configured to:
acquiring a seismic signal corresponding to each shot point;
and performing gather extraction on the seismic signals corresponding to each shot point to obtain common-detection-point data corresponding to each shot point.
8. The system according to claim 6, wherein the first arrival time unit is specifically configured to:
and processing the common detection point data corresponding to each shot point by adopting a preset edge detection algorithm to obtain the first arrival time corresponding to each shot point.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the computer program implements the steps of:
acquiring common-detection-point data corresponding to each shot point; wherein the number of the shot points is multiple;
acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point;
acquiring the position of each shot point and the position of each potential demodulator probe; wherein the number of the potential wave detection points is multiple;
calculating the offset distance between each shot point and each potential wave detection point according to the position of each shot point and the position of each potential wave detection point;
acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point;
acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential detection point corresponding to the maximum value as an actual detection point position;
judging whether the position of the actual detection point is the same as the position of a preset detection point or not;
and when the actual detection point position is different from the preset detection point position, replacing the preset detection point position with the actual detection point position.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of:
acquiring common-detection-point data corresponding to each shot point; wherein the number of the shot points is multiple;
acquiring the first arrival time corresponding to each shot point according to the common detection point data corresponding to each shot point;
acquiring the position of each shot point and the position of each potential demodulator probe; wherein the number of the potential wave detection points is multiple;
calculating the offset distance between each shot point and each potential wave detection point according to the position of each shot point and the position of each potential wave detection point;
acquiring an incremental relation value between the offset distance corresponding to each potential detection point and the first arrival time according to the first arrival time corresponding to each shot point and the offset distance between each potential detection point and each shot point;
acquiring a maximum value from the incremental relation values of the offset distances and the first arrival time, and taking the position of a potential detection point corresponding to the maximum value as an actual detection point position;
judging whether the position of the actual detection point is the same as the position of a preset detection point or not;
and when the actual detection point position is different from the preset detection point position, replacing the preset detection point position with the actual detection point position.
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