CN112764093A - Three-dimensional seismic data acquisition method and system - Google Patents
Three-dimensional seismic data acquisition method and system Download PDFInfo
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- CN112764093A CN112764093A CN201910999985.6A CN201910999985A CN112764093A CN 112764093 A CN112764093 A CN 112764093A CN 201910999985 A CN201910999985 A CN 201910999985A CN 112764093 A CN112764093 A CN 112764093A
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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
- G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
- G01V1/37—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy specially adapted for seismic systems using continuous agitation of the ground, e.g. using pulse compression of frequency swept signals for enhancement of received signals
- G01V1/375—Correlating received seismic signals with the emitted source signal
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Abstract
The invention provides a three-dimensional seismic data acquisition method and a three-dimensional seismic data acquisition system. The three-dimensional seismic data acquisition method comprises the following steps: calculating the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme according to the number of single-line receiving tracks of the layout template of each to-be-selected three-dimensional acquisition construction scheme, the number of layout excitation lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of receiving lines in harness layout; determining a three-dimensional acquisition construction scheme according to the repeated arrangement and embedding number of the detectors of a plurality of three-dimensional acquisition construction schemes to be selected; and acquiring three-dimensional seismic data according to the three-dimensional acquisition construction scheme. The invention can optimize the three-dimensional acquisition construction scheme, effectively reduce the acquisition cost and improve the working efficiency.
Description
Technical Field
The invention relates to the field of seismic data acquisition, in particular to a three-dimensional seismic data acquisition method and a three-dimensional seismic data acquisition system.
Background
The cost of three-dimensional seismic data acquisition accounts for more than 80% of the total exploration cost, and along with the fluctuation of petroleum prices and the gradual expansion of oil-gas exploration and development to complex geological targets, the method has attracted extensive attention on how to reduce the acquisition cost under the condition of ensuring the quality of seismic data. But the research on the optimization of the collection construction scheme is still in a blank state at present.
Disclosure of Invention
The embodiment of the invention mainly aims to provide a three-dimensional seismic data acquisition method and a three-dimensional seismic data acquisition system so as to optimize a three-dimensional acquisition construction scheme, effectively reduce acquisition cost and improve working efficiency.
In order to achieve the above object, an embodiment of the present invention provides a three-dimensional seismic data acquisition method, including:
acquiring the number of single-line receiving tracks, the number of exciting lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of receiving lines in bunching wiring of each to-be-selected three-dimensional acquisition construction scheme; the number of the to-be-selected three-dimensional acquisition construction schemes is multiple;
calculating the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme according to the number of single-line receiving tracks of the layout template of each to-be-selected three-dimensional acquisition construction scheme, the number of layout excitation lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of receiving lines in harness layout;
determining a three-dimensional acquisition construction scheme according to the repeated arrangement and embedding number of the detectors of a plurality of three-dimensional acquisition construction schemes to be selected;
and acquiring three-dimensional seismic data according to the three-dimensional acquisition construction scheme.
An embodiment of the present invention further provides a three-dimensional seismic data acquisition system, including:
the acquisition unit is used for acquiring the number of single-wire receiving tracks of the layout template, the number of layout exciting lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of beam line layout receiving lines of each to-be-selected three-dimensional acquisition construction scheme; the number of the to-be-selected three-dimensional acquisition construction schemes is multiple;
the calculating unit is used for calculating the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme according to the number of single-line receiving tracks of the layout template of each to-be-selected three-dimensional acquisition construction scheme, the number of layout excitation lines, the total number of work area gun lines, the distance between gun lines, the track distance, the total number of work area receiving lines and the number of harness layout receiving lines;
the determining unit is used for determining the three-dimensional acquisition construction scheme according to the repeated arrangement and embedding number of the detectors of the multiple three-dimensional acquisition construction schemes to be selected;
and the acquisition unit is used for acquiring the three-dimensional seismic data according to the three-dimensional acquisition construction scheme.
The embodiment of the invention also provides computer equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the steps of the three-dimensional seismic data acquisition method when executing the computer program.
Embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the three-dimensional seismic data acquisition method.
The three-dimensional seismic data acquisition method and the three-dimensional seismic data acquisition system firstly acquire different construction parameters to calculate the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme, then determine the three-dimensional acquisition construction scheme according to the repeated arrangement and embedment number of the detectors of the to-be-selected three-dimensional acquisition construction scheme, and finally acquire the three-dimensional seismic data according to the three-dimensional acquisition construction scheme to optimize the three-dimensional acquisition construction scheme, so that the acquisition cost is effectively reduced, and the working 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 of three-dimensional seismic data acquisition in accordance with an embodiment of the invention;
FIG. 2 is a schematic diagram of a work area observation system for one to-be-selected three-dimensional acquisition construction scheme in the embodiment of the invention;
FIG. 3 is a schematic diagram of a first standard template for arrangement of a to-be-selected three-dimensional collection construction scheme according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a second standard template for arrangement of a to-be-selected three-dimensional acquisition construction scheme according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a third standard template for arrangement of a to-be-selected three-dimensional collection construction scheme according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a fourth standard template for arrangement and arrangement of one of the three-dimensional collection solutions to be selected in the embodiment of the present invention;
FIG. 7 is a schematic diagram of the number of detectors repeatedly arranged and embedded in one of the three-dimensional acquisition schemes to be selected according to the embodiment of the invention;
FIG. 8 is a block diagram of a three-dimensional seismic data acquisition system in an embodiment of the 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 high acquisition cost in the prior art, the embodiment of the invention provides a three-dimensional seismic data acquisition method and a three-dimensional seismic data acquisition system, so as to optimize a three-dimensional acquisition construction scheme, effectively reduce the acquisition cost and improve the working efficiency. The present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a flow chart of a method of three-dimensional seismic data acquisition in an embodiment of the invention. As shown in fig. 1, the three-dimensional seismic data acquisition method includes:
s101: acquiring the number of single-line receiving tracks, the number of exciting lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of receiving lines in bunching wiring of each to-be-selected three-dimensional acquisition construction scheme; and the number of the to-be-selected three-dimensional acquisition construction schemes is multiple.
Before executing S101, the method further includes: determining a construction direction according to the characteristics of the work area; when the construction direction is the gun line direction, S101 is executed.
S102: and calculating the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme according to the number of single-line receiving tracks of the layout template of each to-be-selected three-dimensional acquisition construction scheme, the number of layout excitation lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of receiving lines in harness layout.
In one embodiment, the detector repeat arrangement embedding number is calculated by the following formula:
Repeat＝(B-E/F)×(G-H)×INT((D-C)/C)；
the Repeat is the repeated arrangement and embedding quantity of the detectors, B is the number of single-wire receiving tracks of the layout template, C is the number of the arranged exciting lines, D is the total number of blast lines in a work area, E is the distance between the blast lines, F is the track distance, G is the total number of the receiving lines in the work area, and H is the number of the arranged receiving lines of the wire harness.
S103: and determining the three-dimensional acquisition construction scheme according to the repeated arrangement and embedding number of the detectors of the multiple to-be-selected three-dimensional acquisition construction schemes.
In one embodiment, S103 includes: and selecting the minimum value from the repeated arrangement and embedding number of the detectors, and taking the three-dimensional acquisition construction scheme to be selected corresponding to the minimum value as the three-dimensional acquisition construction scheme.
S104: and acquiring three-dimensional seismic data according to the three-dimensional acquisition construction scheme.
The execution subject of the three-dimensional seismic data acquisition method shown in fig. 1 may be a computer. As can be seen from the flow shown in fig. 1, the three-dimensional seismic data acquisition method according to the embodiment of the invention first obtains different construction parameters to calculate the number of detectors repeatedly arranged and embedded in each three-dimensional acquisition construction scheme to be selected, then determines the three-dimensional acquisition construction scheme according to the number of detectors repeatedly arranged and embedded in a plurality of three-dimensional acquisition construction schemes to be selected, and finally acquires the three-dimensional seismic data according to the three-dimensional acquisition construction scheme to optimize the three-dimensional acquisition construction scheme, thereby effectively reducing the acquisition cost and improving the working efficiency.
The specific process of the invention is as follows:
1. determining a construction direction according to the characteristics of the work area; when the construction direction is the direction of the blast line, acquiring the number of single-line receiving tracks, the number of arrangement exciting lines, the total number of blast lines in a work area, the distance of the blast lines, the track distance, the total number of receiving lines in the work area and the number of beam line arrangement receiving lines of each to-be-selected three-dimensional acquisition construction scheme; and the number of the to-be-selected three-dimensional acquisition construction schemes is multiple.
Fig. 2 is a schematic diagram of a work area observation system of one to-be-selected three-dimensional acquisition construction scheme in the embodiment of the invention. Fig. 3 is a schematic diagram of a first standard template for arrangement of a to-be-selected three-dimensional collection construction scheme in the embodiment of the present invention. Fig. 4 is a schematic diagram of a second standard template for arrangement of a to-be-selected three-dimensional acquisition construction scheme in the embodiment of the present invention. Fig. 5 is a schematic diagram of a third standard template for arrangement of a to-be-selected three-dimensional collection construction scheme in the embodiment of the present invention. Fig. 6 is a schematic diagram of a fourth standard template for arrangement and arrangement of one to-be-selected three-dimensional collection construction scheme in the embodiment of the present invention.
As shown in fig. 2 to 6, the crosses in fig. 2 to 6 are geophone points, the dots are shot points, the shot line pitch E is 100, and the track pitch F is 50. In fig. 3 to 6, 2 large dots are shot points, and 6 small dots are non-shot points; the lower left-hand shot in fig. 3, the upper left-hand shot in fig. 4, the upper right-hand shot in fig. 5, and the lower right-hand shot in fig. 6 are fired in the sequence of the construction in the direction of the blast line, left-lower-upper-left-upper-right-lower.
As shown in fig. 2, there are 8 shots, 5 receiver lines, and 2 gun lines on each receiver line. Therefore, the total number D of gun lines in the work area is 2, and the total number G of receiver lines in the work area is 5.
As shown in fig. 3 to 6, the arrangement standard template has 2 shot points and 4 receiving lines, and each receiving line has 12 demodulator probes and 1 shot line. Therefore, the number B of the single-wire receiving channels of the standard template for layout and arrangement is equal to 12, the number C of the excitation wires (how many gun wires are in a large beam) for layout is equal to 1, and the number H of the excitation wires for beam-wire layout is equal to 4.
2. And calculating the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme according to the number of single-line receiving tracks of the layout template of each to-be-selected three-dimensional acquisition construction scheme, the number of layout excitation lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of receiving lines in harness layout.
For example, in the candidate three-dimensional acquisition construction scheme shown in fig. 2 to 6, the repeated arrangement and embedding number Repeat of detectors is (B-E/F) × (G-H) × INT ((D-C)/C) × (12-100/50) × (5-4) × INT ((2-1)/1) ═ 10.
FIG. 7 is a schematic diagram of the number of the repeatedly arranged and embedded detectors of one of the candidate three-dimensional acquisition construction schemes in the embodiment of the invention. As shown in fig. 7, the thickened crosses are the detectors embedded in the repeated arrangement, which is consistent with the number of the detectors embedded in the repeated arrangement obtained by the present invention.
3. And selecting the minimum value from the repeated arrangement and embedding number of the detectors, and taking the three-dimensional acquisition construction scheme to be selected corresponding to the minimum value as the three-dimensional acquisition construction scheme.
4. And acquiring three-dimensional seismic data according to the three-dimensional acquisition construction scheme.
In summary, the three-dimensional seismic data acquisition method of the embodiment of the invention firstly obtains different construction parameters to calculate the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme, then determines the three-dimensional acquisition construction scheme according to the repeated arrangement and embedment number of the detectors of a plurality of to-be-selected three-dimensional acquisition construction schemes, and finally acquires the three-dimensional seismic data according to the three-dimensional acquisition construction scheme to optimize the three-dimensional acquisition construction scheme, thereby effectively reducing the acquisition cost and improving the working efficiency.
Based on the same conception, the embodiment of the invention also provides a three-dimensional seismic data acquisition system, and as the problem solving principle of the system is similar to that of the three-dimensional seismic data acquisition method, the implementation of the system can be referred to the implementation of the method, and repeated details are not repeated.
FIG. 8 is a block diagram of a three-dimensional seismic data acquisition system in an embodiment of the invention. As shown in fig. 8, the three-dimensional seismic data acquisition system includes:
the acquisition unit is used for acquiring the number of single-wire receiving tracks of the layout template, the number of layout exciting lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of beam line layout receiving lines of each to-be-selected three-dimensional acquisition construction scheme; the number of the to-be-selected three-dimensional acquisition construction schemes is multiple;
the calculating unit is used for calculating the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme according to the number of single-line receiving tracks of the layout template of each to-be-selected three-dimensional acquisition construction scheme, the number of layout excitation lines, the total number of work area gun lines, the distance between gun lines, the track distance, the total number of work area receiving lines and the number of harness layout receiving lines;
the determining unit is used for determining the three-dimensional acquisition construction scheme according to the repeated arrangement and embedding number of the detectors of the multiple three-dimensional acquisition construction schemes to be selected;
and the acquisition unit is used for acquiring the three-dimensional seismic data according to the three-dimensional acquisition construction scheme.
In one embodiment, the method further comprises the following steps:
the construction direction unit is used for determining the construction direction according to the characteristics of the work area;
the obtaining unit is specifically configured to: and when the construction direction is the direction of the blast line, acquiring the number of single-line receiving tracks, the number of arrangement exciting lines, the total number of blast lines in the work area, the blast line distance, the track distance, the total number of receiving lines in the work area and the number of beam line arrangement receiving lines of each to-be-selected three-dimensional acquisition construction scheme.
In one embodiment, the determining unit is specifically configured to:
and selecting the minimum value from the repeated arrangement and embedding number of the detectors, and taking the three-dimensional acquisition construction scheme to be selected corresponding to the minimum value as the three-dimensional acquisition construction scheme.
In one embodiment, the computing unit is specifically configured to:
the number of the repeatedly arranged and embedded detectors is calculated by the following formula:
Repeat＝(B-E/F)×(G-H)×INT((D-C)/C)；
the Repeat is the repeated arrangement and embedding quantity of the detectors, B is the number of single-wire receiving tracks of the layout template, C is the number of the arranged exciting lines, D is the total number of blast lines in a work area, E is the distance between the blast lines, F is the track distance, G is the total number of the receiving lines in the work area, and H is the number of the arranged receiving lines of the wire harness.
In summary, the three-dimensional seismic data acquisition system of the embodiment of the invention firstly obtains different construction parameters to calculate the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme, then determines the three-dimensional acquisition construction scheme according to the repeated arrangement and embedment number of the detectors of a plurality of to-be-selected three-dimensional acquisition construction schemes, and finally acquires the three-dimensional seismic data according to the three-dimensional acquisition construction scheme to optimize the three-dimensional acquisition construction scheme, thereby effectively reducing the acquisition cost and improving the working efficiency.
An embodiment of the present invention further provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor may implement all or part of the contents of the three-dimensional seismic data acquisition method when executing the computer program, for example, the processor may implement the following contents when executing the computer program:
acquiring the number of single-line receiving tracks, the number of exciting lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of receiving lines in bunching wiring of each to-be-selected three-dimensional acquisition construction scheme; the number of the to-be-selected three-dimensional acquisition construction schemes is multiple;
calculating the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme according to the number of single-line receiving tracks of the layout template of each to-be-selected three-dimensional acquisition construction scheme, the number of layout excitation lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of receiving lines in harness layout;
determining a three-dimensional acquisition construction scheme according to the repeated arrangement and embedding number of the detectors of a plurality of three-dimensional acquisition construction schemes to be selected;
and acquiring three-dimensional seismic data according to the three-dimensional acquisition construction scheme.
To sum up, the computer equipment of the embodiment of the invention firstly obtains different construction parameters to calculate the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme, then determines the three-dimensional acquisition construction scheme according to the repeated arrangement and embedment number of the detectors of the to-be-selected three-dimensional acquisition construction scheme, and finally acquires three-dimensional seismic data according to the three-dimensional acquisition construction scheme to optimize the three-dimensional acquisition construction scheme, thereby effectively reducing the acquisition cost and improving the working efficiency.
Embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, may implement all or part of the contents of the three-dimensional seismic data acquisition method, for example, when the processor executes the computer program, the following contents may be implemented:
acquiring the number of single-line receiving tracks, the number of exciting lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of receiving lines in bunching wiring of each to-be-selected three-dimensional acquisition construction scheme; the number of the to-be-selected three-dimensional acquisition construction schemes is multiple;
calculating the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme according to the number of single-line receiving tracks of the layout template of each to-be-selected three-dimensional acquisition construction scheme, the number of layout excitation lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of receiving lines in harness layout;
determining a three-dimensional acquisition construction scheme according to the repeated arrangement and embedding number of the detectors of a plurality of three-dimensional acquisition construction schemes to be selected;
and acquiring three-dimensional seismic data according to the three-dimensional acquisition construction scheme.
To sum up, the computer-readable storage medium of the embodiment of the invention first obtains different construction parameters to calculate the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme, then determines the three-dimensional acquisition construction scheme according to the repeated arrangement and embedment number of the detectors of the multiple to-be-selected three-dimensional acquisition construction schemes, and finally acquires three-dimensional seismic data according to the three-dimensional acquisition construction scheme to optimize the three-dimensional acquisition construction scheme, thereby effectively reducing acquisition cost and improving working efficiency.
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 of three-dimensional seismic data acquisition, comprising:
acquiring the number of single-line receiving tracks, the number of exciting lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of receiving lines in bunching wiring of each to-be-selected three-dimensional acquisition construction scheme; the number of the to-be-selected three-dimensional acquisition construction schemes is multiple;
calculating the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme according to the number of single-line receiving tracks of the layout template, the number of layout excitation lines, the total number of blast lines of the work area, the distance between the blast lines, the track distance, the total number of receiving lines of the work area and the number of beam line layout receiving lines of each to-be-selected three-dimensional acquisition construction scheme;
determining a three-dimensional acquisition construction scheme according to the repeated arrangement and embedding number of the detectors of a plurality of three-dimensional acquisition construction schemes to be selected;
and acquiring three-dimensional seismic data according to the three-dimensional acquisition construction scheme.
2. The method of three-dimensional seismic data acquisition according to claim 1, further comprising:
determining a construction direction according to the characteristics of the work area;
and when the construction direction is the direction of the blast line, acquiring the number of single-line receiving tracks, the number of arrangement exciting lines, the total number of blast lines in the work area, the blast line distance, the track distance, the total number of receiving lines in the work area and the number of beam line arrangement receiving lines of each to-be-selected three-dimensional acquisition construction scheme.
3. The method of claim 1, wherein determining the three-dimensional acquisition construction plan based on the number of detectors repeatedly arranged and embedded for a plurality of three-dimensional acquisition construction plans to be selected comprises:
and selecting a minimum value from the repeated arrangement and embedding number of the detectors, and taking a to-be-selected three-dimensional acquisition construction scheme corresponding to the minimum value as a three-dimensional acquisition construction scheme.
4. The method of three-dimensional seismic data acquisition according to claim 1, wherein the number of repeatedly arranged burial of detectors is calculated by the following formula:
Repeat＝(B-E/F)×(G-H)×INT((D-C)/C)；
the Repeat is the repeated arrangement and embedding quantity of the detectors, B is the number of single-wire receiving tracks of the layout template, C is the number of the arranged exciting lines, D is the total number of blast lines in a work area, E is the distance between the blast lines, F is the track distance, G is the total number of the receiving lines in the work area, and H is the number of the arranged receiving lines of the wire harness.
5. A three-dimensional seismic data acquisition system, comprising:
the acquisition unit is used for acquiring the number of single-wire receiving tracks of the layout template, the number of layout exciting lines, the total number of blast lines in a work area, the distance between blast lines, the track distance, the total number of receiving lines in the work area and the number of beam line layout receiving lines of each to-be-selected three-dimensional acquisition construction scheme; the number of the to-be-selected three-dimensional acquisition construction schemes is multiple;
the calculation unit is used for calculating the repeated arrangement and embedment number of the detectors of each to-be-selected three-dimensional acquisition construction scheme according to the single-line receiving channel number of the layout template, the number of the layout excitation lines, the total blast line number of the work area, the blast line distance, the channel distance, the total receiving line number of the work area and the number of the bunch wiring receiving lines of each to-be-selected three-dimensional acquisition construction scheme;
the determining unit is used for determining the three-dimensional acquisition construction scheme according to the repeated arrangement and embedding number of the detectors of the multiple three-dimensional acquisition construction schemes to be selected;
and the acquisition unit is used for acquiring the three-dimensional seismic data according to the three-dimensional acquisition construction scheme.
6. The three dimensional seismic data acquisition system of claim 5, further comprising:
the construction direction unit is used for determining the construction direction according to the characteristics of the work area;
the obtaining unit is specifically configured to: and when the construction direction is the direction of the blast line, acquiring the number of single-line receiving tracks, the number of arrangement exciting lines, the total number of blast lines in the work area, the blast line distance, the track distance, the total number of receiving lines in the work area and the number of beam line arrangement receiving lines of each to-be-selected three-dimensional acquisition construction scheme.
7. The three-dimensional seismic data acquisition system of claim 5, wherein the determination unit is specifically configured to:
and selecting a minimum value from the repeated arrangement and embedding number of the detectors, and taking a to-be-selected three-dimensional acquisition construction scheme corresponding to the minimum value as a three-dimensional acquisition construction scheme.
8. The three-dimensional seismic data acquisition system of claim 5, wherein the computing unit is specifically configured to:
the number of the repeatedly arranged and embedded detectors is calculated by the following formula:
Repeat＝(B-E/F)×(G-H)×INT((D-C)/C)；
the Repeat is the repeated arrangement and embedding quantity of the detectors, B is the number of single-wire receiving tracks of the layout template, C is the number of the arranged exciting lines, D is the total number of blast lines in a work area, E is the distance between the blast lines, F is the track distance, G is the total number of the receiving lines in the work area, and H is the number of the arranged receiving lines of the wire harness.
9. 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, when executing the computer program, carries out the steps of the method of three-dimensional seismic data acquisition according to any one of claims 1 to 4.
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 the method of three-dimensional seismic data acquisition according to any one of claims 1 to 4.
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| CN104142514A (en) * | 2013-10-29 | 2014-11-12 | 中国石油化工股份有限公司 | Three-dimensional earthquake observing system quantitative designing method |
| CN107144873A (en) * | 2017-04-12 | 2017-09-08 | 核工业北京地质研究院 | A kind of sandstone-type uranium mineralization with respect 3D seismic data observation procedure |
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