CN112764093B - Three-dimensional seismic data acquisition method and system - Google Patents
Three-dimensional seismic data acquisition method and system Download PDFInfo
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- CN112764093B CN112764093B CN201910999985.6A CN201910999985A CN112764093B CN 112764093 B CN112764093 B CN 112764093B CN 201910999985 A CN201910999985 A CN 201910999985A CN 112764093 B CN112764093 B CN 112764093B
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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
- G01V1/16—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. analysis, for interpretation, for correction
- 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 system. The three-dimensional seismic data acquisition method comprises the following steps: calculating the repeated arrangement embedding quantity of the detectors of each three-dimensional acquisition construction scheme to be selected according to the single-line receiving number of the layout template of each three-dimensional acquisition construction scheme to be selected, the number of the layout excitation lines, the number of the total cannon lines in the work area, the cannon line distance, the track distance, the total receiving line number in the work area and the number of the beam line layout receiving lines; determining a three-dimensional acquisition construction scheme according to the repeated arrangement and embedding quantity of the detectors of the plurality of three-dimensional acquisition construction schemes to be selected; and acquiring three-dimensional seismic data according to a 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 system.
Background
The cost of three-dimensional seismic data acquisition accounts for more than 80% of the total cost of exploration, and along with fluctuation of petroleum price and gradual expansion of oil and gas exploration and development to complex geological targets, how to reduce acquisition cost under the condition of guaranteeing the quality of seismic data has been widely paid attention to. But the current research on the optimization of the acquisition construction scheme is still in a blank state.
Disclosure of Invention
The embodiment of the invention mainly aims to provide a three-dimensional seismic data acquisition method and 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 of a layout template, the number of layout excitation lines, the number of total cannon lines in a work area, the distance between cannons, the distance between tracks, the number of total receiving lines in the work area and the number of beam line layout receiving lines of each three-dimensional acquisition construction scheme to be selected; the number of the three-dimensional acquisition construction schemes to be selected is a plurality of;
calculating the repeated arrangement embedding quantity of the detectors of each three-dimensional acquisition construction scheme to be selected according to the single-line receiving number of the layout template of each three-dimensional acquisition construction scheme to be selected, the number of the layout excitation lines, the number of the total cannon lines in the work area, the cannon line distance, the track distance, the total receiving line number in the work area and the number of the beam line layout receiving lines;
determining a three-dimensional acquisition construction scheme according to the repeated arrangement and embedding quantity of the detectors of the plurality of three-dimensional acquisition construction schemes to be selected;
and acquiring three-dimensional seismic data according to a three-dimensional acquisition construction scheme.
The embodiment of the invention also provides a three-dimensional seismic data acquisition system, which comprises:
the acquisition unit is used for acquiring the number of single-line receiving channels of the layout template, the number of layout excitation lines, the number of total cannon lines in the work area, the cannon line distance, the track distance, the number of total receiving lines in the work area and the number of beam layout receiving lines of each to-be-selected three-dimensional acquisition construction scheme; the number of the three-dimensional acquisition construction schemes to be selected is a plurality of;
the computing unit is used for computing the repeated arrangement embedding quantity of the detectors of each three-dimensional acquisition construction scheme to be selected according to the single line receiving number of the layout template of each three-dimensional acquisition construction scheme to be selected, the number of the layout excitation lines, the number of the total cannon lines of the work area, the cannon line distance, the track distance, the total receiving line number of the work area and the number of the beam line layout receiving lines;
the determining unit is used for determining a three-dimensional acquisition construction scheme according to the repeated arrangement embedding quantity of the detectors of the plurality of three-dimensional acquisition construction schemes to be selected;
the acquisition unit is used for acquiring three-dimensional seismic data according to a three-dimensional acquisition construction scheme.
The embodiment of the invention also provides computer equipment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the steps of the three-dimensional seismic data acquisition method when executing the computer program.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when being executed by a processor, realizes the steps of the three-dimensional seismic data acquisition method.
According to the three-dimensional seismic data acquisition method and system, different construction parameters are acquired firstly to calculate the repeated arrangement embedding quantity of the detectors of each to-be-selected three-dimensional acquisition construction scheme, then the three-dimensional acquisition construction scheme is determined according to the repeated arrangement embedding quantity of the detectors of the plurality of to-be-selected three-dimensional acquisition construction schemes, and finally the three-dimensional seismic data is acquired 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 that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
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 of one of the three-dimensional acquisition construction schemes to be selected in an embodiment of the invention;
FIG. 3 is a schematic diagram of a first layout arrangement standard template of one of the three-dimensional acquisition construction schemes to be selected in an embodiment of the present invention;
FIG. 4 is a schematic diagram of a second layout arrangement standard template of one of the three-dimensional acquisition construction schemes to be selected in an embodiment of the present invention;
FIG. 5 is a schematic diagram of a third layout arrangement standard template of one of the three-dimensional acquisition construction schemes to be selected in an embodiment of the present invention;
FIG. 6 is a schematic diagram of a fourth layout arrangement standard template of one of the three-dimensional acquisition construction schemes to be selected in an embodiment of the present invention;
FIG. 7 is a schematic diagram of the number of embeddings in a repeating arrangement of detectors for one of the alternative three-dimensional acquisition construction schemes in an embodiment of the invention;
FIG. 8 is a block diagram of a three-dimensional seismic data acquisition system in accordance with an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Those skilled in the art will appreciate that embodiments of the invention may be implemented as a system, apparatus, device, method, or computer program product. Accordingly, the present disclosure may be embodied in the following forms, namely: complete hardware, complete software (including firmware, resident software, micro-code, etc.), or a combination of hardware and software.
In view of the high acquisition cost of the prior art, the embodiment of the invention provides a three-dimensional seismic data acquisition method and system, so as to optimize a three-dimensional acquisition construction scheme, effectively reduce acquisition cost and improve working efficiency. The present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a flow chart of a method of three-dimensional seismic data acquisition in accordance with 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 of a layout template, the number of layout excitation lines, the number of total cannon lines in a work area, the distance between cannons, the distance between tracks, the number of total receiving lines in the work area and the number of beam line layout receiving lines of each three-dimensional acquisition construction scheme to be selected; the number of the three-dimensional acquisition construction schemes to be selected is multiple.
Before executing S101, further comprising: determining a construction direction according to the characteristics of the work area; when the construction direction is the cannon line direction, S101 is performed.
S102: and calculating the repeated arrangement embedding quantity of the detectors of each three-dimensional acquisition construction scheme to be selected according to the single-line receiving number of the layout template of each three-dimensional acquisition construction scheme to be selected, the number of the layout excitation lines, the number of the total cannon lines of the work area, the cannon line distance, the track distance, the total receiving line number of the work area and the number of the beam line layout receiving lines.
In one embodiment, the number of detector repetition permutations embedded is calculated by the formula:
Repeat＝(B-E/F)×(G-H)×INT((D-C)/C)；
wherein Repeat is the embedding number of the repeated arrangement of the detectors, B is the number of single line receiving tracks of the layout template, C is the number of layout excitation lines, D is the number of total cannon lines of the work area, E is the cannon line distance, F is the track distance, G is the number of total receiving lines of the work area, and H is the number of beam line layout receiving lines.
S103: and determining the three-dimensional acquisition construction scheme according to the repeated arrangement and embedding quantity of the detectors of the plurality of three-dimensional acquisition construction schemes to be selected.
In one embodiment, S103 includes: and selecting a minimum value from the repeated arrangement embedded quantity of the plurality of detectors, and taking the to-be-selected three-dimensional acquisition construction scheme corresponding to the minimum value as a three-dimensional acquisition construction scheme.
S104: and acquiring three-dimensional seismic data according to a 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 acquires different construction parameters to calculate the repeated arrangement embedding quantity 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 embedding quantity of the detectors of a plurality of 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 specific flow 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 gun line direction, acquiring the number of single line receiving channels, the number of layout excitation lines, the number of total gun lines in a work area, the gun line distance, the track distance, the number of total receiving lines in the work area and the number of beam line layout receiving lines of a layout template of each three-dimensional acquisition construction scheme to be selected; the number of the three-dimensional acquisition construction schemes to be selected is multiple.
Fig. 2 is a schematic diagram of a work area observation system according to one of the three-dimensional acquisition construction schemes to be selected in the embodiment of the invention. FIG. 3 is a schematic diagram of a first layout arrangement standard template of one of the three-dimensional acquisition construction schemes to be selected in an embodiment of the present invention. Fig. 4 is a schematic diagram of a second layout arrangement standard template of one of the three-dimensional acquisition construction schemes to be selected in the embodiment of the present invention. Fig. 5 is a schematic diagram of a third layout arrangement standard template of one of the three-dimensional acquisition construction schemes to be selected in the embodiment of the invention. FIG. 6 is a schematic diagram of a fourth layout arrangement standard template of one of the three-dimensional acquisition construction schemes to be selected in an embodiment of the present invention.
As shown in fig. 2 to 6, the crosses in fig. 2 to 6 are detection points, the dots are shot points, the cannon line distance e=100, and the track distance f=50. 2 large dots in fig. 3 to 6 are blasted shots, and 6 small dots are non-blasted shots; the lower left corner shot in fig. 3 is blasted, the upper left corner shot in fig. 4 is blasted, the upper right corner shot in fig. 5 is blasted, and the lower right corner shot in fig. 6 is blasted, and the order of construction in the direction of the shot line is lower left-upper right-lower right.
As shown in fig. 2, there are 8 shots, 5 receiver lines, and 2 shots on each receiver line. Thus, the total shot line number d=2 for the work area, and the total received line number g=5 for the work area.
As shown in fig. 3 to 6, 2 shots are arranged on the standard template, 4 receiving lines are arranged on the standard template, 12 wave detection points are arranged on each receiving line, and 1 shot line is arranged on each receiving line. Therefore, the number of single-line receiving tracks b=12 of the layout standard template, the number of excitation lines (how many lines are in the big beam) c=1, and the number of excitation lines h=4 of the beam.
2. And calculating the repeated arrangement embedding quantity of the detectors of each three-dimensional acquisition construction scheme to be selected according to the single-line receiving number of the layout template of each three-dimensional acquisition construction scheme to be selected, the number of the layout excitation lines, the number of the total cannon lines of the work area, the cannon line distance, the track distance, the total receiving line number of the work area and the number of the beam line layout receiving lines.
For example, in the alternative three-dimensional acquisition construction scheme shown in fig. 2 to 6, the detectors repeatedly arrange the number of embedments repeat= (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 embeddings in a repeating arrangement of detectors for one of the alternative three-dimensional acquisition construction schemes in an embodiment of the invention. As shown in FIG. 7, the thickened cross is a repeating array of embedded detectors consistent with the number of repeating arrays of detectors obtained in accordance with the present invention.
3. And selecting a minimum value from the repeated arrangement embedded quantity of the plurality of detectors, and taking the to-be-selected three-dimensional acquisition construction scheme corresponding to the minimum value as a three-dimensional acquisition construction scheme.
4. And acquiring three-dimensional seismic data according to a three-dimensional acquisition construction scheme.
In summary, the three-dimensional seismic data acquisition method of the embodiment of the invention acquires different construction parameters to calculate the repeated arrangement embedding quantity 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 embedding quantity 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 acquisition cost and improving working efficiency.
Based on the same inventive concept, the embodiment of the invention also provides a three-dimensional seismic data acquisition system, and because the principle of solving the problem of the system is similar to that of a three-dimensional seismic data acquisition method, the implementation of the system can be referred to the implementation of the method, and the repetition is omitted.
FIG. 8 is a block diagram of a three-dimensional seismic data acquisition system in accordance with 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-line receiving channels of the layout template, the number of layout excitation lines, the number of total cannon lines in the work area, the cannon line distance, the track distance, the number of total receiving lines in the work area and the number of beam layout receiving lines of each to-be-selected three-dimensional acquisition construction scheme; the number of the three-dimensional acquisition construction schemes to be selected is a plurality of;
the computing unit is used for computing the repeated arrangement embedding quantity of the detectors of each three-dimensional acquisition construction scheme to be selected according to the single line receiving number of the layout template of each three-dimensional acquisition construction scheme to be selected, the number of the layout excitation lines, the number of the total cannon lines of the work area, the cannon line distance, the track distance, the total receiving line number of the work area and the number of the beam line layout receiving lines;
the determining unit is used for determining a three-dimensional acquisition construction scheme according to the repeated arrangement embedding quantity of the detectors of the plurality of three-dimensional acquisition construction schemes to be selected;
the acquisition unit is used for acquiring three-dimensional seismic data according to a three-dimensional acquisition construction scheme.
In one embodiment, the method further comprises:
the construction direction unit is used for determining a construction direction according to the characteristics of the work area;
the acquisition unit is specifically configured to: when the construction direction is the gun line direction, the single line receiving channel number, the number of the layout excitation lines, the total gun line number in the work area, the gun line distance, the track distance, the total receiving line number in the work area and the beam line layout receiving line number of the layout template of each to-be-selected three-dimensional acquisition construction scheme are obtained.
In one embodiment, the determining unit is specifically configured to:
and selecting a minimum value from the repeated arrangement embedded quantity of the plurality of detectors, and taking the to-be-selected three-dimensional acquisition construction scheme corresponding to the minimum value as a three-dimensional acquisition construction scheme.
In one embodiment, the computing unit is specifically configured to:
the number of detector repeated arrangement burial is calculated by the following formula:
Repeat＝(B-E/F)×(G-H)×INT((D-C)/C)；
wherein Repeat is the embedding number of the repeated arrangement of the detectors, B is the number of single line receiving tracks of the layout template, C is the number of layout excitation lines, D is the number of total cannon lines of the work area, E is the cannon line distance, F is the track distance, G is the number of total receiving lines of the work area, and H is the number of beam line layout receiving lines.
In summary, the three-dimensional seismic data acquisition system of the embodiment of the invention acquires different construction parameters to calculate the repeated arrangement embedding quantity 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 embedding quantity 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 acquisition cost and improving working efficiency.
The embodiment of the invention also provides a computer device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor can realize all or part of the content of the three-dimensional seismic data acquisition method when executing the computer program, for example, the processor can realize the following content when executing the computer program:
acquiring the number of single-line receiving tracks of a layout template, the number of layout excitation lines, the number of total cannon lines in a work area, the distance between cannons, the distance between tracks, the number of total receiving lines in the work area and the number of beam line layout receiving lines of each three-dimensional acquisition construction scheme to be selected; the number of the three-dimensional acquisition construction schemes to be selected is a plurality of;
calculating the repeated arrangement embedding quantity of the detectors of each three-dimensional acquisition construction scheme to be selected according to the single-line receiving number of the layout template of each three-dimensional acquisition construction scheme to be selected, the number of the layout excitation lines, the number of the total cannon lines in the work area, the cannon line distance, the track distance, the total receiving line number in the work area and the number of the beam line layout receiving lines;
determining a three-dimensional acquisition construction scheme according to the repeated arrangement and embedding quantity of the detectors of the plurality of three-dimensional acquisition construction schemes to be selected;
and acquiring three-dimensional seismic data according to a three-dimensional acquisition construction scheme.
In summary, the computer equipment of the embodiment of the invention acquires different construction parameters to calculate the repeated arrangement embedding quantity 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 embedding quantity of the detectors of a plurality of 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 embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, the computer program can realize all or part of the content of the three-dimensional seismic data acquisition method when being executed by a processor, for example, the processor can realize the following content when executing the computer program:
acquiring the number of single-line receiving tracks of a layout template, the number of layout excitation lines, the number of total cannon lines in a work area, the distance between cannons, the distance between tracks, the number of total receiving lines in the work area and the number of beam line layout receiving lines of each three-dimensional acquisition construction scheme to be selected; the number of the three-dimensional acquisition construction schemes to be selected is a plurality of;
calculating the repeated arrangement embedding quantity of the detectors of each three-dimensional acquisition construction scheme to be selected according to the single-line receiving number of the layout template of each three-dimensional acquisition construction scheme to be selected, the number of the layout excitation lines, the number of the total cannon lines in the work area, the cannon line distance, the track distance, the total receiving line number in the work area and the number of the beam line layout receiving lines;
determining a three-dimensional acquisition construction scheme according to the repeated arrangement and embedding quantity of the detectors of the plurality of three-dimensional acquisition construction schemes to be selected;
and acquiring three-dimensional seismic data according to a three-dimensional acquisition construction scheme.
In summary, the computer readable storage medium of the embodiment of the invention acquires different construction parameters to calculate the repeated arrangement embedding quantity 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 embedding quantity of the detectors of a plurality of 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 foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. A method of three-dimensional seismic data acquisition, comprising:
determining a construction direction according to the characteristics of the work area;
when the construction direction is the gun line direction, acquiring the number of single-line receiving channels, the number of layout excitation lines, the number of total gun lines in a work area, the gun line distance, the track distance, the number of total receiving lines in the work area and the number of beam line layout receiving lines of a layout template of each three-dimensional acquisition construction scheme to be selected; the number of the three-dimensional acquisition construction schemes to be selected is a plurality of the three-dimensional acquisition construction schemes;
calculating the repeated arrangement embedding quantity of the detectors of each three-dimensional acquisition construction scheme to be selected according to the single line receiving track number of the layout template, the number of the layout excitation lines, the number of the total cannon lines of the work area, the cannon line distance, the track distance, the total receiving line number of the work area and the number of the beam line layout receiving lines of each three-dimensional acquisition construction scheme to be selected;
determining a three-dimensional acquisition construction scheme according to the repeated arrangement and embedding quantity of the detectors of the plurality of three-dimensional acquisition construction schemes to be selected;
acquiring three-dimensional seismic data according to the three-dimensional acquisition construction scheme;
the number of detector repeated arrangement burial is calculated by the following formula:
Repeat＝(B-E/F)×(G-H)×INT((D-C)/C)；
wherein Repeat is the embedding number of the repeated arrangement of the detectors, B is the number of single line receiving tracks of the layout template, C is the number of layout excitation lines, D is the number of total cannon lines of the work area, E is the cannon line distance, F is the track distance, G is the number of total receiving lines of the work area, and H is the number of beam line layout receiving lines.
2. The method of three-dimensional seismic data acquisition according to claim 1, wherein determining the three-dimensional acquisition construction scheme from the number of detectors repeated in arrangement of the plurality of candidate three-dimensional acquisition construction schemes comprises:
and selecting a minimum value from the repeated arrangement embedded quantity of the plurality of detectors, and taking the to-be-selected three-dimensional acquisition construction scheme corresponding to the minimum value as a three-dimensional acquisition construction scheme.
3. A three-dimensional seismic data acquisition system, comprising:
the construction direction unit is used for determining a construction direction according to the characteristics of the work area;
the acquisition unit is used for acquiring the number of single line receiving channels, the number of layout excitation lines, the number of total cannon lines in a work area, the distance between cannon lines, the distance between tracks, the number of total receiving lines in the work area and the number of beam line layout receiving lines of the layout template of each three-dimensional acquisition construction scheme to be selected when the construction direction is the cannon line direction; the number of the three-dimensional acquisition construction schemes to be selected is a plurality of the three-dimensional acquisition construction schemes;
the computing unit is used for computing the repeated arrangement embedding quantity of the detectors of each three-dimensional acquisition construction scheme to be selected according to the single-line receiving track number, the number of the layout excitation lines, the total shot line number, the shot line distance, the track distance, the total work area receiving line number and the beam line layout receiving line number of the layout template of each three-dimensional acquisition construction scheme to be selected;
the determining unit is used for determining a three-dimensional acquisition construction scheme according to the repeated arrangement embedding quantity of the detectors of the plurality of three-dimensional acquisition construction schemes to be selected;
the acquisition unit is used for acquiring three-dimensional seismic data according to the three-dimensional acquisition construction scheme;
the computing unit is specifically configured to:
the number of detector repeated arrangement burial is calculated by the following formula:
Repeat＝(B-E/F)×(G-H)×INT((D-C)/C)；
wherein Repeat is the embedding number of the repeated arrangement of the detectors, B is the number of single line receiving tracks of the layout template, C is the number of layout excitation lines, D is the number of total cannon lines of the work area, E is the cannon line distance, F is the track distance, G is the number of total receiving lines of the work area, and H is the number of beam line layout receiving lines.
4. A three-dimensional seismic data acquisition system according to claim 3, wherein the determination unit is specifically configured to:
and selecting a minimum value from the repeated arrangement embedded quantity of the plurality of detectors, and taking the to-be-selected three-dimensional acquisition construction scheme corresponding to the minimum value as a three-dimensional acquisition construction scheme.
5. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the three-dimensional seismic data acquisition method of any one of claims 1 to 2 when the computer program is executed.
6. A computer readable storage medium having stored thereon a computer program, characterized in that the computer program when executed by a processor implements the steps of the three-dimensional seismic data acquisition method of any one of claims 1 to 2.
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| CN109270576A (en) * | 2018-11-06 | 2019-01-25 | 中国石油天然气股份有限公司 | Multichannel three-dimensional seismic physical simulation collecting method and device |
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