CN112505763A - Transverse wave seismic data quality detection method and system - Google Patents
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Abstract
The invention provides a transverse wave seismic data quality detection method and a transverse wave seismic data quality detection system. The transverse wave seismic data quality detection method comprises the following steps: acquiring an included angle between the vibration starting direction of the seismic source vehicle and the direction perpendicular to the measuring line; determining a transverse wave seismic data quality parameter according to the included angle and the seismic source vehicle output data; and generating a transverse wave seismic data quality detection result according to the transverse wave seismic data quality parameters and a pre-obtained quality threshold. The method can accurately judge the quality of the transverse wave seismic data, and reduce the workload and the exploration cost.
Description
Technical Field
The invention relates to the technical field of seismic data quality inspection, in particular to a transverse wave seismic data quality detection method and a transverse wave seismic data quality detection system.
Background
With the development of exploration technology, the requirements of technicians on oil and gas exploration are higher and higher, and conventional longitudinal wave exploration has certain difficulties in structural identification, gas content detection and quantitative evaluation. In recent years, the application of multi-component exploration technology is more and more extensive, the propagation path of seismic waves for transverse wave exploration is the same as that of longitudinal waves, but the propagation mode of the seismic waves is different from that of the longitudinal waves, the longitudinal waves vibrate up and down in the propagation process, and the transverse waves vibrate in the horizontal plane.
FIG. 1 is a schematic diagram of the propagation path and direction of a transverse wave. As shown in fig. 1, the existing shear wave exploration mostly uses a shear wave seismic source as an excitation source, and the seismic source generates continuous vibration in a horizontal direction perpendicular to a survey line and transmits the continuous vibration to the ground through a polar plate fixed on the ground. FIG. 2 is a schematic diagram of the relationship between excitation and reception angle and seismic wave strength. As shown in fig. 2, the waves excited by the seismic source and the waves received by the receiving device have strict angle requirements in the horizontal direction, and the strongest seismic waves can be received only if the vibration direction of the waves is the same as the receiving direction.
In the field construction process, due to the complexity and changeability of the terrain, the vibration direction of a seismic source is difficult to be ensured to be strictly vertical to a survey line, the production data quality of an included angle different from the survey line is different, and even the cost of a cannon is generated if the angle is larger than a certain value. At present, means such as monitoring, recording and replaying are still relied on, and a good method for rapidly and accurately judging the quality of the transverse wave single shot does not exist. Technical staff judge the seismic data quality through naked eyes, the workload is very heavy, the judgment result lacks scientific basis, and the condition that the judgment is inaccurate occurs due to the technical staff level and the like.
Disclosure of Invention
The embodiment of the invention mainly aims to provide a transverse wave seismic data quality detection method and a transverse wave seismic data quality detection system, so that the quality of transverse wave seismic data can be judged quickly and accurately, and the workload and the exploration cost are reduced.
In order to achieve the above object, an embodiment of the present invention provides a method for detecting quality of transverse wave seismic data, including:
acquiring an included angle between the vibration starting direction of the seismic source vehicle and the direction perpendicular to the measuring line;
determining a transverse wave seismic data quality parameter according to the included angle and the seismic source vehicle output data;
and generating a transverse wave seismic data quality detection result according to the transverse wave seismic data quality parameters and a pre-obtained quality threshold.
In one embodiment, determining the shear wave seismic data quality parameter from the included angle and the source vehicle output data comprises:
determining the quality parameters of the seismic source vehicle corresponding to the excitation point according to the included angle of the seismic source vehicle corresponding to the excitation point and the seismic source vehicle output data of the seismic source vehicle;
and determining the quality parameters of the transverse wave seismic data according to the quality parameters of the seismic source vehicle corresponding to the excitation point.
In one embodiment, generating the shear wave seismic data quality detection result according to the shear wave seismic data quality parameter and a pre-obtained quality threshold comprises:
determining the absolute value of the transverse wave seismic data quality parameter;
and generating a transverse wave seismic data quality detection result according to a comparison result of the absolute value of the transverse wave seismic data quality parameter and a quality threshold value obtained in advance.
In one embodiment, the method further comprises the following steps:
determining a geological type corresponding to the excitation point;
a quality threshold is determined based on the geological type.
The embodiment of the invention also provides a transverse wave seismic data quality detection system, which comprises:
the acquisition unit is used for acquiring an included angle between the vibration starting direction of the seismic source vehicle and the direction perpendicular to the measuring line;
the quality parameter unit is used for determining the quality parameter of the transverse wave seismic data according to the included angle and the output data of the seismic source vehicle;
and the detection result unit is used for generating a transverse wave seismic data quality detection result according to the transverse wave seismic data quality parameters and the pre-obtained quality threshold.
In one embodiment, the quality parameter unit is specifically configured to:
determining the quality parameters of the seismic source vehicle corresponding to the excitation point according to the included angle of the seismic source vehicle corresponding to the excitation point and the seismic source vehicle output data of the seismic source vehicle;
and determining the quality parameters of the transverse wave seismic data according to the quality parameters of the seismic source vehicle corresponding to the excitation point.
In one embodiment, the detection result unit is specifically configured to:
determining the absolute value of the transverse wave seismic data quality parameter;
and generating a transverse wave seismic data quality detection result according to a comparison result of the absolute value of the transverse wave seismic data quality parameter and a quality threshold value obtained in advance.
In one embodiment, the method further comprises the following steps:
the geological type determining unit is used for determining the geological type corresponding to the excitation point;
and the quality threshold value determining unit is used for determining the quality threshold value according to the geological type.
The embodiment of the invention also provides computer equipment which comprises a memory, a processor and a computer program stored on the memory and operated on the processor, wherein the processor realizes the steps of the transverse wave seismic data quality detection method when executing the computer program.
The embodiment of the invention also provides a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and the computer program is executed by a processor to realize the steps of the transverse wave seismic data quality detection method.
According to the method and the system for detecting the transverse wave seismic data quality, provided by the embodiment of the invention, the transverse wave seismic data quality parameter is determined according to the included angle and the seismic source vehicle output data, and then the transverse wave seismic data quality detection result is generated according to the transverse wave seismic data quality parameter and the pre-obtained quality threshold, so that the quality of the transverse wave seismic data can be accurately judged, and the workload and the exploration cost are reduced.
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 schematic diagram of the path and direction of transverse wave propagation;
FIG. 2 is a schematic diagram of the relationship between excitation and reception angles and seismic wave strength;
FIG. 3 is a flow chart of a method for shear wave seismic data quality detection in an embodiment of the invention;
FIG. 4 is a schematic view of the angle between the direction of origin of the seismic source vehicle vibrations and the direction perpendicular to the line of sight;
fig. 5 is a flowchart of S102 in the embodiment of the present invention;
FIG. 6 is a block diagram of a system for shear wave seismic data quality detection in an embodiment of the invention;
fig. 7 is a block diagram of a computer device in the 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 cannot quickly and accurately judge the quality of a transverse wave single shot and the workload is heavy, the embodiment of the invention provides a transverse wave seismic data quality detection method, so that the quality of transverse wave seismic data can be quickly and accurately judged, and the workload and the exploration cost are reduced. The present invention will be described in detail below with reference to the accompanying drawings.
FIG. 3 is a flow chart of a method for shear wave seismic data quality detection in an embodiment of the invention. As shown in fig. 3, the method for detecting the quality of the transverse wave seismic data includes:
s101: and acquiring an included angle between the vibration starting direction of the seismic source vehicle and the vertical direction of the survey line.
TABLE 1
Table 1 is a partial angle table for field construction records. FIG. 4 is a schematic diagram of the angle between the direction of origin of the seismic source vehicle vibrations and the direction perpendicular to the line of sight. As shown in table 1 and fig. 4, α is the angle between the vibration starting direction of the source vehicle and the direction perpendicular to the survey line (clockwise is positive). For example, α may be setiThe included angle of the seismic source vehicle (i-th seismic source) corresponding to the i-th excitation point; i is 1,2,3, … … m, and has m excitation points.
S102: and determining the quality parameters of the transverse wave seismic data according to the included angle and the output data of the seismic source vehicle.
TABLE 2
And table 2 is a quality parameter table of partial transverse wave seismic data recorded in field construction. Fig. 5 is a flowchart of S102 in the embodiment of the present invention. As shown in table 2 and fig. 5, S102 includes:
s201: and determining the quality parameters of the seismic source vehicle corresponding to the excitation point according to the included angle of the seismic source vehicle corresponding to the excitation point and the output data of the seismic source vehicle.
In specific implementation, the mass parameter () of the seismic source vehicle corresponding to the excitation point can be determined by the following formula:
Ki＝Acos(αi)；
wherein, KiThe quality parameter of the seismic source vehicle corresponding to the ith excitation point, A is the output data of the seismic source vehicle, alphaiThe included angle of the seismic source vehicle corresponding to the ith excitation point.
S202: and determining the quality parameters of the transverse wave seismic data according to the quality parameters of the seismic source vehicle corresponding to the excitation point.
In specific implementation, the transverse wave seismic data quality parameters can be determined through the following formula:
wherein N is the transverse wave seismic data quality parameter, and m is the number of excitation points.
S103: and generating a transverse wave seismic data quality detection result according to the transverse wave seismic data quality parameters and a pre-obtained quality threshold.
Before executing S103, the method further includes: determining a geological type corresponding to the excitation point; a quality threshold is determined based on the geological type.
In one embodiment, S103 includes: determining the absolute value of the transverse wave seismic data quality parameter; and generating a transverse wave seismic data quality detection result according to a comparison result of the absolute value of the transverse wave seismic data quality parameter and a quality threshold value obtained in advance.
TABLE 3
In this embodiment, the quality threshold may be 0.45. Table 3 is a statistical table of quality test failure data. In particular implementation, as shown in table 3, a quality detection qualification report is generated when the absolute value of the transverse wave seismic data quality parameter is greater than or equal to the quality threshold. And when the absolute value of the quality parameter of the transverse wave seismic data is smaller than the quality threshold, generating a quality detection unqualified report, and performing appropriate treatment on the transverse wave seismic data with unqualified quality detection, such as on-site shot supplement or waste evaluation.
The main body for executing the transverse wave seismic data quality detection method shown in fig. 3 may be a computer. As can be seen from the flow shown in fig. 3, the method for detecting the quality of the shear wave seismic data according to the embodiment of the invention determines the quality parameter of the shear wave seismic data according to the included angle and the seismic source vehicle output data, and generates the result of detecting the quality of the shear wave seismic data according to the result of comparing the quality parameter of the shear wave seismic data with the pre-obtained quality threshold, so that the quality of the shear wave seismic data can be accurately determined, and the workload and the exploration cost can be reduced.
The specific process of the embodiment of the invention is as follows:
1. and acquiring an included angle between the vibration starting direction of the seismic source vehicle and the vertical direction of the survey line.
2. And determining the quality parameters of the seismic source vehicle corresponding to the excitation point according to the included angle of the seismic source vehicle corresponding to the excitation point and the output data of the seismic source vehicle.
3. And determining the quality parameters of the transverse wave seismic data according to the quality parameters of the seismic source vehicle corresponding to the excitation point.
4. And determining the absolute value of the transverse wave seismic data quality parameter.
5. And determining the geological type corresponding to the excitation point, and determining the quality threshold value according to the geological type.
6. And generating a transverse wave seismic data quality detection result according to a comparison result of the absolute value of the transverse wave seismic data quality parameter and a quality threshold value obtained in advance.
In conclusion, through the research on the transverse wave exploration principle, the method directly utilizes the seismic source vehicle angle data recorded during transverse wave excitation, does not depend on transverse wave exploration or other additional data, can determine the projection of the seismic source vehicle on a vertical measuring line according to the included angle between the seismic source vibration direction and the vertical direction of the measuring line in the transverse wave exploration practice, and quickly and accurately judges the effective output of the seismic source according to the size of the projection to determine the quality of the transverse wave seismic data, is simple and effective, reduces the error caused by subjective judgment of personnel on the transverse wave, reduces the working intensity and the exploration cost, and has good application prospect.
Based on the same inventive concept, the embodiment of the invention also provides a transverse wave seismic data quality detection system, and as the problem solving principle of the system is similar to that of the transverse wave seismic data quality detection method, the implementation of the system can be referred to the implementation of the method, and repeated parts are not repeated.
FIG. 6 is a block diagram of a system for shear wave seismic data quality detection in an embodiment of the invention. As shown in fig. 6, the transverse wave seismic data quality detection system includes:
the acquisition unit is used for acquiring an included angle between the vibration starting direction of the seismic source vehicle and the direction perpendicular to the measuring line;
the quality parameter unit is used for determining the quality parameter of the transverse wave seismic data according to the included angle and the output data of the seismic source vehicle;
and the detection result unit is used for generating a transverse wave seismic data quality detection result according to the transverse wave seismic data quality parameters and the pre-obtained quality threshold.
In one embodiment, the quality parameter unit is specifically configured to:
determining the quality parameters of the seismic source vehicle corresponding to the excitation point according to the included angle of the seismic source vehicle corresponding to the excitation point and the seismic source vehicle output data of the seismic source vehicle;
and determining the quality parameters of the transverse wave seismic data according to the quality parameters of the seismic source vehicle corresponding to the excitation point.
In one embodiment, the detection result unit is specifically configured to:
determining the absolute value of the transverse wave seismic data quality parameter;
and generating a transverse wave seismic data quality detection result according to a comparison result of the absolute value of the transverse wave seismic data quality parameter and a quality threshold value obtained in advance.
In one embodiment, the method further comprises the following steps:
the geological type determining unit is used for determining the geological type corresponding to the excitation point;
and the quality threshold value determining unit is used for determining the quality threshold value according to the geological type.
In summary, the transverse wave seismic data quality detection system of the embodiment of the invention determines the transverse wave seismic data quality parameter according to the included angle and the seismic source vehicle output data, and generates the transverse wave seismic data quality detection result according to the comparison result of the transverse wave seismic data quality parameter and the pre-obtained quality threshold, so that the quality of the transverse wave seismic data can be accurately judged, and the workload and the exploration cost are reduced.
The embodiment of the invention also provides a specific implementation mode of computer equipment capable of realizing all the steps in the transverse wave seismic data quality detection method in the embodiment. Fig. 7 is a block diagram of a computer device in an embodiment of the present invention, and referring to fig. 7, the computer device specifically includes the following:
a processor (processor)701 and a memory (memory) 702.
The processor 701 is configured to call a computer program in the memory 702, and the processor implements all the steps in the shear wave seismic data quality detection method in the above embodiment when executing the computer program, for example, the processor implements the following steps when executing the computer program:
acquiring an included angle between the vibration starting direction of the seismic source vehicle and the direction perpendicular to the measuring line;
determining a transverse wave seismic data quality parameter according to the included angle and the seismic source vehicle output data;
and generating a transverse wave seismic data quality detection result according to the transverse wave seismic data quality parameters and a pre-obtained quality threshold.
In summary, the computer device of the embodiment of the invention determines the transverse wave seismic data quality parameter according to the included angle and the seismic source vehicle output data, and then generates the transverse wave seismic data quality detection result according to the comparison result of the transverse wave seismic data quality parameter and the pre-obtained quality threshold, so that the quality of the transverse wave seismic data can be accurately judged, and the workload and the exploration cost are reduced.
An embodiment of the present invention further provides a computer-readable storage medium capable of implementing all the steps in the method for detecting quality of transverse wave seismic data in the foregoing embodiment, where the computer-readable storage medium stores a computer program, and the computer program is executed by a processor to implement all the steps in the method for detecting quality of transverse wave seismic data in the foregoing embodiment, for example, when the processor executes the computer program, the processor implements the following steps:
acquiring an included angle between the vibration starting direction of the seismic source vehicle and the direction perpendicular to the measuring line;
determining a transverse wave seismic data quality parameter according to the included angle and the seismic source vehicle output data;
and generating a transverse wave seismic data quality detection result according to the transverse wave seismic data quality parameters and a pre-obtained quality threshold.
In summary, the computer-readable storage medium of the embodiment of the present invention determines the transverse wave seismic data quality parameter according to the included angle and the seismic source vehicle output data, and then generates the transverse wave seismic data quality detection result according to the comparison result between the transverse wave seismic data quality parameter and the pre-obtained quality threshold, so that the quality of the transverse wave seismic data can be accurately determined, and the workload and the exploration cost are reduced.
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.
Those of skill in the art will further appreciate that the various illustrative logical blocks, units, and steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate the interchangeability of hardware and software, various illustrative components, elements, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design requirements of the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present embodiments.
The various illustrative logical blocks, or elements, or devices described in connection with the embodiments disclosed herein may be implemented or performed with a general purpose processor, a digital signal processor, an Application Specific Integrated Circuit (ASIC), a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general-purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other similar configuration.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. For example, a storage medium may be coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC, which may be located in a user terminal. In the alternative, the processor and the storage medium may reside in different components in a user terminal.
In one or more exemplary designs, the functions described above in connection with the embodiments of the invention may be implemented in hardware, software, firmware, or any combination of the three. If implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media that facilitate transfer of a computer program from one place to another. Storage media may be any available media that can be accessed by a general purpose or special purpose computer. For example, such computer-readable media can include, but is not limited to, RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to carry or store program code in the form of instructions or data structures and which can be read by a general-purpose or special-purpose computer, or a general-purpose or special-purpose processor. Additionally, any connection is properly termed a computer-readable medium, and, thus, is included if the software is transmitted from a website, server, or other remote source via a coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wirelessly, e.g., infrared, radio, and microwave. Such discs (disk) and disks (disc) include compact disks, laser disks, optical disks, DVDs, floppy disks and blu-ray disks where disks usually reproduce data magnetically, while disks usually reproduce data optically with lasers. Combinations of the above may also be included in the computer-readable medium.
Claims (10)
1. A method for detecting the quality of transverse wave seismic data is characterized by comprising the following steps:
acquiring an included angle between the vibration starting direction of the seismic source vehicle and the direction perpendicular to the measuring line;
determining a transverse wave seismic data quality parameter according to the included angle and the seismic source vehicle output data;
and generating a transverse wave seismic data quality detection result according to the transverse wave seismic data quality parameters and a pre-obtained quality threshold.
2. The shear wave seismic data quality detection method of claim 1, wherein determining a shear wave seismic data quality parameter from the included angle and source vehicle output data comprises:
determining the quality parameters of the seismic source vehicle corresponding to the excitation point according to the included angle of the seismic source vehicle corresponding to the excitation point and the seismic source vehicle output data of the seismic source vehicle;
and determining the quality parameters of the transverse wave seismic data according to the quality parameters of the seismic source vehicle corresponding to the excitation point.
3. The method of claim 2, wherein generating a shear wave seismic data quality detection result based on the shear wave seismic data quality parameter and a pre-obtained quality threshold comprises:
determining the absolute value of the transverse wave seismic data quality parameter;
and generating a transverse wave seismic data quality detection result according to a comparison result of the absolute value of the transverse wave seismic data quality parameter and a quality threshold value obtained in advance.
4. The method for shear wave seismic data quality inspection according to claim 1, further comprising:
determining a geological type corresponding to the excitation point;
determining the quality threshold according to the geological type.
5. A shear wave seismic data quality detection system, comprising:
the acquisition unit is used for acquiring an included angle between the vibration starting direction of the seismic source vehicle and the direction perpendicular to the measuring line;
the quality parameter unit is used for determining the quality parameter of the transverse wave seismic data according to the included angle and the output data of the seismic source vehicle;
and the detection result unit is used for generating a transverse wave seismic data quality detection result according to the transverse wave seismic data quality parameters and the pre-obtained quality threshold.
6. The shear wave seismic data quality detection system of claim 5, wherein the quality parameter unit is specifically configured to:
determining the quality parameters of the seismic source vehicle corresponding to the excitation point according to the included angle of the seismic source vehicle corresponding to the excitation point and the seismic source vehicle output data of the seismic source vehicle;
and determining the quality parameters of the transverse wave seismic data according to the quality parameters of the seismic source vehicle corresponding to the excitation point.
7. The shear wave seismic data quality detection system of claim 6, wherein the detection result unit is specifically configured to:
determining the absolute value of the transverse wave seismic data quality parameter;
and generating a transverse wave seismic data quality detection result according to a comparison result of the absolute value of the transverse wave seismic data quality parameter and a quality threshold value obtained in advance.
8. The shear wave seismic data quality detection system of claim 5, further comprising:
the geological type determining unit is used for determining the geological type corresponding to the excitation point;
and the quality threshold value determining unit is used for determining the quality threshold value according to the geological type.
9. A computer apparatus comprising a memory, a processor and a computer program stored on the memory and executed on the processor, wherein the processor implements the steps of the shear wave seismic data quality detection method of any one of claims 1 to 4 when executing the computer program.
10. A computer-readable storage medium having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the steps of the shear wave seismic data quality detection method of any one of claims 1 to 4.
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