CN104199083A - Method and device for determining wide-line seismological observation system - Google Patents
Method and device for determining wide-line seismological observation system Download PDFInfo
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- CN104199083A CN104199083A CN201410438038.7A CN201410438038A CN104199083A CN 104199083 A CN104199083 A CN 104199083A CN 201410438038 A CN201410438038 A CN 201410438038A CN 104199083 A CN104199083 A CN 104199083A
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Abstract
The embodiment of the present application discloses a method and a device for determining a wide-line seismological observation system. The method comprises the following steps of: acquiring interference wave parameters and earth surface parameters in a preset area; determining the transversal width of the wide-line seismological observation system on the basis of an interference wave apparent wavelength in the interference wave parameters; determining the receiving line number and the receiving line distance of the observation system on the basis of the transversal width, and determining an excitation line number and an excitation line distance according to the receiving line number and the receiving line distance; determining a track pitch range according to a preset rule, and determining a track pitch among wave detector combinations on receiving lines according to the track pitch range; forming the wide-line seismological observation system according to the transversal width, the receiving line number, the receiving line distance, the track pitch, the excitation line number, the excitation line distance and a shot distance. The method and the device for determining the wide-line seismological observation system disclosed by the embodiment of the present application are capable of determining the wide-line seismological observation system containing different track pitches so as to acquire the seismological data received by the different track pitches, and capable of saving the cost of acquisition for seismological data.
Description
Technical field
The application relates to the technical field that gathers seismic prospecting data, particularly a kind of method and apparatus of definite wode line seismic recording geometry.
Background technology
In gathering seismic prospecting data technology, technician utilizes seismic observation system can gather seismic exploration data.Seismic observation system generally can comprise the mutual alignment relation of shot point (being shot point), seismic receiving point and seismic event shot point and the acceptance point of seismic event.In multiple seismic observation system, the wode line seismic recording geometry advantages such as horizontal noise pressing result is good owing to having, effect degree of covering is many are widely used the collection in seismic exploration data.
The method of existing definite wode line seismic recording geometry can comprise conventionally: determine reception drawing lines distance and big gun distance in seismic observation system; According to definite reception drawing lines distance and big gun distance, determine wode line seismic recording geometry.In the more complicated region of geologic structure, conventionally need to gather different drawing lines distances and the different big guns of receiving apart from the seismic data in situation by test of many times, the data collecting is compared, according to comparative result, finally determine reception drawing lines distance and the big gun distance of the wode line seismic recording geometry that is applicable to this geologic structure complex region.
In realizing the application's process, inventor finds that in prior art, at least there are the following problems: the wode line seismic recording geometry that the method for existing definite wode line seismic recording geometry is designed can only gather a kind of result of seismic explosion that receives drawing lines collection and big gun distance at every turn, in the more complicated region of geology result, obtain a plurality of big gun distances and receive drawing lines and apart from the seismic data in situation, just need to design a plurality of different wode line seismic recording geometrys and carry out respectively the collection of seismic prospecting data, increased the cost of collection seismic prospecting data.
Summary of the invention
The object of the embodiment of the present application is to provide a kind of method and apparatus of definite wode line seismic recording geometry, to reduce the cost that gathers seismic prospecting data.
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of method and apparatus of definite wode line seismic recording geometry, is achieved in that
A method for definite wode line seismic recording geometry, comprising: obtain interference wave parameter and Land Surface Parameters in predeterminable area; Interference wave apparent wavelength based in described interference wave parameter, determines the transverse width of wode line seismic recording geometry; Based on described transverse width, determine the reception line number of described recording geometry and receive line-spacing, and determining excitation line number and excitation line distance according to described reception line number and reception line-spacing; According to default rule, determine track pitch scope, and determine the track pitch between receiver pattern on described reception line according to described track pitch scope; According to described transverse width, reception line number, reception line-spacing, track pitch, excitation line number, excitation line distance and shot interval, form wode line seismic recording geometry.
In preferred version, the interference wave apparent wavelength based in described interference wave parameter, determines and comprises the transverse width of wode line seismic recording geometry: the span of described transverse width is determined by following formula:
Wherein, L represents the value of transverse width,
the minimum value that represents interference wave apparent wavelength,
the maximal value that represents interference wave apparent wavelength.
In preferred version, based on described transverse width, determine the reception line number of described recording geometry and receive line-spacing, particularly, described reception line number is calculated and is obtained by following formula:
Rln＝Fold*X*SI
In formula, Rln represents the reception line number of wode line seismic recording geometry; Fold represents minimum degree of covering; X represents spread length; SI represents shot interval; According to the reception line number calculating and described transverse width, calculate reception line-spacing.
In preferred version, according to the reception line number calculating and described transverse width, calculate reception line-spacing, comprising: described transverse width, divided by receiving line number, is carried out to rounding operation to the result of gained and obtains whole-number result, using described whole-number result as receiving line-spacing.
In preferred version, according to described reception line number with receive line-spacing and determine excitation line number and excitation line distance, comprising: the line number that excitation line number equals to receive line deducts 1; Described excitation line is apart from equaling described reception line-spacing.
In preferred version, according to default rule, determine track pitch scope, comprising: according to default sampling rule, determine track pitch scope, described track pitch scope is calculated acquisition by following formula:
In formula, b represents track pitch; Vrms presentation layer speed; Described Fmax represents to make sampling not have the highest frequency of aliasing; Described θ represents the inclination angle on stratum.
In preferred version, according to described track pitch scope, determine and receive the track pitch between receiver pattern on line, comprising: according to described reception line number, the span of described track pitch is carried out to uniformly-spaced value; Or, in the span of track pitch, set minimum track pitch, from minimum track pitch, the track pitch that difference is received on line increases fixed step size.
A device for definite wode line seismic recording geometry, comprising: parameter acquiring unit, transverse width unit, the first computing unit, track pitch computing unit and system determining unit; Wherein, described parameter acquiring unit, for obtaining interference wave parameter and the Land Surface Parameters in predeterminable area; Described transverse width unit, for the interference wave apparent wavelength based on described parameter acquiring unit, determines the transverse width of wode line seismic recording geometry; Described the first computing unit, for the transverse width calculating based on described transverse width unit, determines the reception line number of described wode line seismic recording geometry and receives line-spacing, and determining excitation line number and excitation line distance according to described reception line number and reception line-spacing; Described track pitch computing unit, for determining track pitch scope according to default rule, and determines and receives the track pitch between receiver pattern on line according to described track pitch scope; Described system determining unit, for according to described transverse width, reception line number, reception line-spacing, track pitch, excitation line number, excitation line distance and shot interval, forms wode line seismic recording geometry.
In preferred version, described the first computing unit comprises: receive that line is counted determining unit, received line-spacing determining unit, excitation line is counted determining unit and excitation line apart from determining unit; Wherein, described reception line is counted determining unit, for calculating, receives line number; Described reception line-spacing determining unit, the reception line number and the transverse width calculating reception line-spacing that for count determining unit according to described reception line, calculate; Described excitation line is counted determining unit, for calculating excitation line number according to receiving line number; The line number that described excitation line number equals to receive line deducts 1; Described excitation line is apart from determining unit, for calculating excitation line distance according to receiving line-spacing; Described excitation line is apart from equaling described reception line-spacing.
In preferred version, described track pitch computing unit comprises: track pitch range cells and track pitch determining unit; Wherein, described track pitch range cells, for determining track pitch scope according to default sampling rule; Described track pitch determining unit, for the track pitch scope definite according to described track pitch range cells, determines the track pitch receiving on line.
The technical scheme being provided from above the embodiment of the present application, the method and apparatus of the disclosed definite wode line seismic recording geometry of the embodiment of the present application, can determine the wode line seismic recording geometry that comprises different track pitches.While adopting the definite wode line seismic recording geometry acquiring seismic data of the application's method, can collect and comprise the geological data that different track pitches receive, and not need to utilize a plurality of observation to gather respectively, save the cost that gathers seismic data.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the process flow diagram that the application determines an embodiment of method of wode line seismic recording geometry;
Fig. 2 is the schematic diagram that utilizes the definite wode line seismic recording geometry of the application's method;
Fig. 3 is the module map of an embodiment of device of a kind of definite wode line seismic recording geometry of the application;
Fig. 4 is the module map of the first computing unit in the device embodiment of described a kind of definite wode line seismic recording geometry;
Fig. 5 is the module map of track pitch computing unit in the device embodiment of described a kind of definite wode line seismic recording geometry.
Embodiment
The embodiment of the present application provides a kind of method and apparatus of definite wode line seismic recording geometry.
In order to make those skilled in the art person understand better the technical scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the application's protection.
Fig. 1 is the process flow diagram that the application determines an embodiment of method of wode line seismic recording geometry.As shown in Figure 1, the method for described definite wode line seismic recording geometry can comprise:
S101: obtain interference wave parameter and Land Surface Parameters in predeterminable area.
Computing machine can obtain calculating interference wave parameter and Land Surface Parameters required when predeterminable area is interior designs wode line seismic recording geometry.
Described interference wave parameter can be for representing the distribution situation of the interference wave in predeterminable area, such as the distribution situation of ground roll, sound wave and multiple reflection etc.Described interference wave parameter can comprise: interference wave apparent wavelength, apparent cycle, speed, frequency and energy etc.Described interference wave parameter can obtain according to existing seismic data.
Described Land Surface Parameters can be for representing Lithology.Described surface infrastructure parameter can comprise: the interval velocity of the destination layer degree of depth, geology.Described Land Surface Parameters can obtain according to existing seismic data.
The described destination layer degree of depth, can be for representing can obtain in predeterminable area the degree of depth of effective reflection.
The interval velocity of described geology, can be for representing that seismic event is in the velocity of propagation at described predeterminable area.
According to the described destination layer degree of depth, can obtain obtaining in predeterminable area the spread length of effective reflection.Particularly, described spread length can equal the described destination layer degree of depth.Described spread length can receive line number for calculating.
S102: the interference wave apparent wavelength based in described interference wave parameter, determines the transverse width of wode line seismic recording geometry.
Interference wave apparent wavelength based in described interference wave parameter, can determine the transverse width of wode line seismic recording geometry.
Described transverse width can be for representing in described wode line seismic recording geometry, two distances between two reception lines farthest, and the maximum in described wode line seismic recording geometry receives line-spacing.The span of described transverse width can be calculated acquisition according to described interference wave apparent wavelength.Particularly, the span of described transverse width can be determined by following formula:
Wherein, L represents the value of transverse width,
the minimum value that represents interference wave apparent wavelength,
the maximal value that represents interference wave apparent wavelength.
For example, table 1 shows the correlation parameter of interference wave in certain work area.The interference wave existing in this work area can comprise: ground roll 1, ground roll 2 and ground roll 3, the corresponding parameter of each interference wave can be as shown in table 1.The span of described transverse width can comprise: 28 meters of <L<40 rice.
The correlation parameter of interference wave in certain work area of table 1
| Interference wave | Apparent velocity (meter per second) | Depending on dominant frequency (hertz) | Apparent wavelength's (rice) |
| Ground roll 1 | 600-700 | 15-17 | 28 |
| Ground roll 2 | 556-600 | 11-13 | 37 |
| Ground roll 3 | 362-392 | 7-9 | 40 |
S103: determine the reception line number of described wode line seismic recording geometry and receive line-spacing based on described transverse width, and determining excitation line number and excitation line distance according to described reception line number and reception line-spacing.
Based on described transverse width, can determine the reception line number of described wode line seismic recording geometry and receive line-spacing.Described reception line-spacing is for representing two distances between adjacent take-up.
Described reception line number can be calculated and be obtained by following formula:
Rln＝Fold*X*SI (2)
In formula (2), Rln represents the reception line number of wode line seismic recording geometry; Fold represents minimum degree of covering; X represents spread length; SI represents shot interval.
Described minimum degree of covering can obtain according to existing seismic data.Described shot interval can be set according to actual tests result.Described shot interval can be set to identical.Described shot interval also can be set to not identical.
According to described transverse width and described reception line number, can calculate the reception line-spacing of described wode line seismic recording geometry.Particularly, can the result of gained be carried out to rounding operation and obtain whole-number result by described transverse width divided by receiving line number, using described whole-number result as receiving line-spacing.
According to described reception line number and reception line-spacing, can determine excitation line number and excitation line distance.Because excitation line is positioned at the centre of two adjacent reception lines, so the line number that the line number of described excitation line can equal to receive line deducts 1; Described excitation line is apart from equaling described reception line-spacing.
S104: determine track pitch scope according to default rule, and determine the track pitch between receiver pattern on described reception line according to described track pitch scope.
According to default sampling rule, can determine track pitch scope, particularly,
In formula (3), b represents track pitch; Vrms represents the interval velocity of last layer; Described Fmax represents to make sampling not have the highest frequency of aliasing; Described θ represents the inclination angle on stratum.
The interval velocity Vrms of described last layer, highest frequency Fmax and stratigraphic dip θ are known quantity.
For example, the interval velocity of last layer is 3224 meters, and highest frequency is 38 hertz, and stratigraphic dip is 32 degree, and the span that can calculate track pitch b comprises: b≤40.03 meter.
Less according to track pitch, the more sufficient principle of signal of reception, common described track pitch minimum can be got 10 meters.
According to described definite track pitch scope, can determine and receive the track pitch between receiver pattern on line.Particularly, can comprise: according to described reception line number, the span of described track pitch b is carried out to uniformly-spaced value.For example, if receive line number, be 3, described track pitch scope uniformly-spaced can be divided into 10 meters, 25 meters, 40 meters three kinds of situations, each can receive line and adopt wherein a kind of track pitch value; If receiving line number is 4, can be by described reception channel apart from being uniformly-spaced divided into 10 meters, 20 meters, 30 meters and 40 meters of these four kinds of situations, each receives line can adopt wherein a kind of track pitch value.
According to described definite track pitch scope, determine the track pitch between the receiver pattern receiving on line, can also comprise: in the span of track pitch, set minimum track pitch, from minimum track pitch, the track pitch that difference is received on line increases fixed step size.For example, setting minimum track pitch is 10 meters, and fixed step size is 5 meters, if receive line number, is 4, and the different track pitches that receive on line can be set to respectively 10 meters, 15 meters, 20 meters and 25 meters.
S105: according to described transverse width, reception line number, reception line-spacing, track pitch, excitation line number, excitation line distance and shot interval, form wode line seismic recording geometry.
The parameter definite according to S101-S104, can determine described wode line seismic recording geometry.Described parameter can comprise: the transverse width of wode line seismic recording geometry, reception line number, reception line-spacing, track pitch, excitation line number, excitation line distance and shot interval.For example, Fig. 2 is the schematic diagram that utilizes the definite seismic wide line seismic observation system of the application's method.In Fig. 2, solid line representative receives line, and dotted line represents excitation line.The circle receiving on line represents receiver pattern, and the triangle in excitation line represents shot point.
While utilizing the wode line seismic recording geometry acquiring seismic data shown in Fig. 2, can excite first successively label is the shot point in 2 excitation line, the wave detector receiving on line can obtain seismic data, because the track pitch of this wode line seismic recording geometry is different, this wode line seismic recording geometry can be obtained the seismological observation data under different track pitches simultaneously.
The method of the disclosed definite wode line seismic recording geometry of above-described embodiment, can determine the wode line seismic recording geometry that comprises different track pitches.While adopting the definite wode line seismic recording geometry acquiring seismic data of the application's method, can collect and comprise the geological data that different track pitches receive, and not need to utilize a plurality of observation to gather respectively, save the cost that gathers seismic data.
Introduce the device that the application determines wode line seismic recording geometry below.
Fig. 3 is the module map of an embodiment of device of a kind of definite wode line seismic recording geometry of the application.As shown in Figure 3, the device of described definite wode line seismic recording geometry can comprise: parameter acquiring unit 100, transverse width unit 200, the first computing unit 300, track pitch computing unit 400 and system determining unit 500.Wherein,
Described parameter acquiring unit 100, can be for obtaining interference wave parameter and the Land Surface Parameters in predeterminable area.
Described transverse width unit 200, can, for the interference wave apparent wavelength based in described parameter acquiring unit 100, determine the transverse width of wode line seismic recording geometry.
Described the first computing unit 300, can be for the transverse width calculating based on described transverse width unit 200, determine the reception line number of described wode line seismic recording geometry and receive line-spacing, and determining excitation line number and excitation line distance according to described reception line number and reception line-spacing.
Described track pitch computing unit 400, can be for determining track pitch scope according to default rule, and determine and receive the track pitch between receiver pattern on line according to described track pitch scope.
Described system determining unit 500, can, for according to described transverse width, reception line number, reception line-spacing, track pitch, excitation line number, excitation line distance and shot interval, form wode line seismic recording geometry.
Fig. 4 is the module map of the first computing unit in the device embodiment of described a kind of definite wode line seismic recording geometry.As shown in Figure 4, described the first computing unit 300, can comprise: receive that line is counted determining unit 301, received line-spacing determining unit 302, excitation line is counted determining unit 303 and excitation line apart from determining unit 304.Wherein,
Described reception line is counted determining unit 301, can receive line number for calculating.
Described reception line-spacing determining unit 302, reception line number and the transverse width calculating reception line-spacing that can calculate for count determining unit 301 according to described reception line.
Described excitation line is counted determining unit 303, can calculate excitation line number for the reception line number obtaining according to described reception line-spacing determining unit 302; The line number that described excitation line number equals to receive line deducts 1.
Described excitation line, can be for calculating excitation line distance according to receiving line-spacing apart from determining unit 304; Described excitation line is apart from equaling described reception line-spacing.
Fig. 5 is the module map of track pitch computing unit in the device embodiment of described a kind of definite wode line seismic recording geometry.As shown in Figure 5, described track pitch computing unit 400 can comprise: track pitch range cells 401 and track pitch determining unit 402.Wherein,
Described track pitch range cells 401, can be for determining track pitch scope according to default sampling rule.
Described track pitch determining unit 402, can, for the track pitch scope definite according to described track pitch range cells 401, determine the track pitch receiving on line.
The device of the disclosed definite wode line seismic recording geometry of above-described embodiment is corresponding with the method for the disclosed definite wode line seismic recording geometry of the application, can realize the technique effect of the application's embodiment of the method.
In the nineties in 20th century, for the improvement of a technology, can clearly distinguish is improvement (for example, the improvement to circuit structures such as diode, transistor, switches) on hardware or the improvement (for the improvement of method flow) on software.Yet along with the development of technology, the improvement of current a lot of method flows can be considered as the direct improvement of hardware circuit.Designer nearly all obtains corresponding hardware circuit by improved method flow is programmed in hardware circuit.Therefore, the improvement of not talkative method flow just can not realize by hardware entities module.For example, programmable logic device (PLD) (Programmable Logic Device, PLD) (for example field programmable gate array (Field Programmable Gate Array, FPGA)) is exactly a kind of like this integrated circuit, and its logic function is determined device programming by user.By designer, programmed voluntarily a digital display circuit " integrated " on a slice PLD, and do not need to ask chip maker to carry out the integrated circuit (IC) chip 2 of designing and making special use.And, nowadays, replace and manually make integrated circuit (IC) chip, this programming is also mostly used " logic compiler (logic compiler) " software instead and is realized, software compiler used when it and program development are write is similar, and to compile before source code also handy specific programming language write, this is referred to as hardware description language (Hardware Description Language, HDL), and that HDL also not only has is a kind of, but there are many kinds, as ABEL (Advanced Boolean Expression Language), AHDL (Altera Hardware Description Language), Confluence, CUPL (Cornell University Programming Language), HDCal, JHDL (Java Hardware Description Language), Lava, Lola, MyHDL, PALASM, RHDL (Ruby Hardware Description Language) etc., that the most generally use at present is VHDL (Very-High-Speed Integrated Circuit Hardware Description Language) and Verilog2.Those skilled in the art also should be clear, only method flow slightly need to be made to programming in logic and is programmed in integrated circuit with above-mentioned several hardware description languages, just can be easy to the hardware circuit of accomplished this logical method flow process.
Controller can be realized by any suitable mode, for example, controller can be taked the computer-readable medium of the computer readable program code (for example software or firmware) that microprocessor for example or processor and storage can be carried out by this (micro-) processor, logic gate, switch, special IC (Application Specific Integrated Circuit, ASIC), the form of programmable logic controller (PLC) and embedding microcontroller, the example of controller includes but not limited to following microcontroller: ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20 and Silicone Labs C8051F320, Memory Controller can also be implemented as a part for the steering logic of storer.
Those skilled in the art also know, except realize controller in pure computer readable program code mode, can make controller realize identical function with the form of logic gate, switch, special IC, programmable logic controller (PLC) and embedding microcontroller etc. by method step being carried out to programming in logic completely.Therefore sort controller can be considered to a kind of hardware component, and for realizing the device of various functions, also can be considered as the structure in hardware component to what comprise in it.Or can will not only can be even, the software module of implementation method but also can be the structure in hardware component for realizing that the device of various functions is considered as.
The system that above-described embodiment is illustrated, device, module or unit, specifically can be realized by computer chip or entity, or be realized by the product with certain function.
While for convenience of description, describing above device, with function, being divided into various unit describes respectively.Certainly, when implementing the application, the function of each unit can be realized in same or a plurality of software and/or hardware.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the application can add essential general hardware platform by software and realizes.Understanding based on such, the part that the application's technical scheme contributes to prior art in essence in other words can embody with the form of software product, in a typical configuration, computing equipment comprises one or more processors (CPU), input/output interface, network interface and internal memory.This computer software product can comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in some part of each embodiment of the application or embodiment.This computer software product can be stored in internal memory, internal memory may comprise the volatile memory in computer-readable medium, the forms such as random access memory (RAM) and/or Nonvolatile memory, as ROM (read-only memory) (ROM) or flash memory (flash RAM).Internal memory is the example of computer-readable medium.Computer-readable medium comprises that permanent and impermanency, removable and non-removable media can realize information by any method or technology and store.Information can be module or other data of computer-readable instruction, data structure, program.The example of the storage medium of computing machine comprises, but be not limited to phase transition internal memory (PRAM), static RAM (SRAM), dynamic RAM (DRAM), the random access memory of other types (RAM), ROM (read-only memory) (ROM), Electrically Erasable Read Only Memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc ROM (read-only memory) (CD-ROM), digital versatile disc (DVD) or other optical memory, magnetic magnetic tape cassette, the storage of tape magnetic rigid disk or other magnetic storage apparatus or any other non-transmission medium, can be used for the information that storage can be accessed by computing equipment.According to defining herein, computer-readable medium does not comprise of short duration computer readable media (transitory media), as data-signal and the carrier wave of modulation.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, each embodiment stresses is the difference with other embodiment.Especially, for system embodiment, because it is substantially similar in appearance to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
The application can be used in numerous general or special purpose computing system environments or configuration.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, small-size computer, mainframe computer, comprise distributed computing environment of above any system or equipment etc.
The application can describe in the general context of the computer executable instructions of being carried out by computing machine, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract data type, program, object, assembly, data structure etc.Also can in distributed computing environment, put into practice the application, in these distributed computing environment, by the teleprocessing equipment being connected by communication network, be executed the task.In distributed computing environment, program module can be arranged in the local and remote computer-readable storage medium that comprises memory device.
Although described the application by embodiment, those of ordinary skills know, the application has many distortion and variation and the spirit that do not depart from the application, wish that appended claim comprises these distortion and variation and the spirit that do not depart from the application.
Claims (10)
1. a method for definite wode line seismic recording geometry, is characterized in that, comprising:
Obtain interference wave parameter and Land Surface Parameters in predeterminable area;
Interference wave apparent wavelength based in described interference wave parameter, determines the transverse width of wode line seismic recording geometry;
Based on described transverse width, determine the reception line number of described recording geometry and receive line-spacing, and determining excitation line number and excitation line distance according to described reception line number and reception line-spacing;
According to default rule, determine track pitch scope, and determine the track pitch between receiver pattern on described reception line according to described track pitch scope;
According to described transverse width, reception line number, reception line-spacing, track pitch, excitation line number, excitation line distance and shot interval, form wode line seismic recording geometry.
2. the method for a kind of definite wode line seismic recording geometry as claimed in claim 1, is characterized in that, the interference wave apparent wavelength based in described interference wave parameter determines and comprises the transverse width of wode line seismic recording geometry:
The span of described transverse width is determined by following formula:
Wherein, L represents the value of transverse width,
the minimum value that represents interference wave apparent wavelength,
the maximal value that represents interference wave apparent wavelength.
3. the method for a kind of definite wode line seismic recording geometry as claimed in claim 1, is characterized in that, based on described transverse width, determines the reception line number of described recording geometry and receives line-spacing, and particularly, described reception line number is calculated and obtained by following formula:
Rln＝Fold*X*SI
In formula, Rln represents the reception line number of wode line seismic recording geometry; Fold represents minimum degree of covering; X represents spread length; SI represents shot interval;
According to the reception line number calculating and described transverse width, calculate reception line-spacing.
4. the method for a kind of definite wode line seismic recording geometry as claimed in claim 3, it is characterized in that, according to the reception line number calculating and described transverse width, calculate reception line-spacing, comprise: by described transverse width divided by receiving line number, the result of gained is carried out to rounding operation and obtain whole-number result, using described whole-number result as receiving line-spacing.
5. the method for a kind of definite wode line seismic recording geometry as claimed in claim 4, is characterized in that, according to described reception line number and reception line-spacing, determines excitation line number and excitation line distance, comprising:
The line number that excitation line number equals to receive line deducts 1;
Described excitation line is apart from equaling described reception line-spacing.
6. the method for a kind of definite wode line seismic recording geometry as claimed in claim 1, is characterized in that, according to default rule, determines track pitch scope, comprising:
According to default sampling rule, determine track pitch scope, described track pitch scope is calculated acquisition by following formula:
In formula, b represents track pitch; Vrms presentation layer speed; Described Fmax represents to make sampling not have the highest frequency of aliasing; Described θ represents the inclination angle on stratum.
7. the method for a kind of definite wode line seismic recording geometry as claimed in claim 6, is characterized in that, according to described track pitch scope, determines and receives the track pitch between receiver pattern on line, comprising:
According to described reception line number, the span of described track pitch is carried out to uniformly-spaced value;
Or,
In the span of track pitch, set minimum track pitch, from minimum track pitch, the track pitch that difference is received on line increases fixed step size.
8. a device for definite wode line seismic recording geometry, is characterized in that, comprising: parameter acquiring unit, transverse width unit, the first computing unit, track pitch computing unit and system determining unit; Wherein,
Described parameter acquiring unit, for obtaining interference wave parameter and the Land Surface Parameters in predeterminable area;
Described transverse width unit, for the interference wave apparent wavelength based on described parameter acquiring unit, determines the transverse width of wode line seismic recording geometry;
Described the first computing unit, for the transverse width calculating based on described transverse width unit, determines the reception line number of described wode line seismic recording geometry and receives line-spacing, and determining excitation line number and excitation line distance according to described reception line number and reception line-spacing;
Described track pitch computing unit, for determining track pitch scope according to default rule, and determines and receives the track pitch between receiver pattern on line according to described track pitch scope;
Described system determining unit, for according to described transverse width, reception line number, reception line-spacing, track pitch, excitation line number, excitation line distance and shot interval, forms wode line seismic recording geometry.
9. the device of a kind of definite wode line seismic recording geometry as claimed in claim 8, is characterized in that, described the first computing unit comprises: receive that line is counted determining unit, received line-spacing determining unit, excitation line is counted determining unit and excitation line apart from determining unit; Wherein,
Described reception line is counted determining unit, for calculating, receives line number;
Described reception line-spacing determining unit, the reception line number and the transverse width calculating reception line-spacing that for count determining unit according to described reception line, calculate;
Described excitation line is counted determining unit, for calculating excitation line number according to receiving line number; The line number that described excitation line number equals to receive line deducts 1;
Described excitation line is apart from determining unit, for calculating excitation line distance according to receiving line-spacing; Described excitation line is apart from equaling described reception line-spacing.
10. the device of a kind of definite wode line seismic recording geometry as claimed in claim 8, is characterized in that, described track pitch computing unit comprises: track pitch range cells and track pitch determining unit; Wherein,
Described track pitch range cells, for determining track pitch scope according to default sampling rule;
Described track pitch determining unit, for the track pitch scope definite according to described track pitch range cells, determines the track pitch receiving on line.
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| CN111983673A (en) * | 2019-05-21 | 2020-11-24 | 中国石油天然气集团有限公司 | Method and device for determining receiving line distance of three-dimensional seismic observation system |
| CN112965110A (en) * | 2021-02-05 | 2021-06-15 | 中国石油化工股份有限公司 | Method for rapidly determining transverse rolling distance of observation system and observation system design method |
| CN113219524A (en) * | 2020-02-05 | 2021-08-06 | 中国石油天然气集团有限公司 | Three-dimensional seismic acquisition arrangement template layout scheme selection method and device |
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| CN104698490A (en) * | 2015-03-22 | 2015-06-10 | 中国煤炭地质总局地球物理勘探研究院 | Static correction-based shallow coal seam efficient three-dimensional seismic exploration and observation system |
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| CN105093268B (en) * | 2015-06-30 | 2018-04-03 | 中国石油天然气集团公司 | A kind of method and device based on wave field Lighting Design observation system parameter |
| CN106501841A (en) * | 2016-09-19 | 2017-03-15 | 中国石油天然气集团公司 | A kind of Optimization Design of two-dimentional wode line seismic observation system and device |
| CN106501841B (en) * | 2016-09-19 | 2018-08-14 | 中国石油天然气集团公司 | A kind of optimum design method and device of two dimension wode line seismic observation system |
| CN107065008A (en) * | 2016-12-08 | 2017-08-18 | 中国石油天然气集团公司 | A kind of method and device for determining observation system degree of covering |
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| CN111983673A (en) * | 2019-05-21 | 2020-11-24 | 中国石油天然气集团有限公司 | Method and device for determining receiving line distance of three-dimensional seismic observation system |
| CN111983673B (en) * | 2019-05-21 | 2023-08-22 | 中国石油天然气集团有限公司 | Method and device for determining receiving line distance of three-dimensional seismic observation system |
| CN113219524A (en) * | 2020-02-05 | 2021-08-06 | 中国石油天然气集团有限公司 | Three-dimensional seismic acquisition arrangement template layout scheme selection method and device |
| CN112965110A (en) * | 2021-02-05 | 2021-06-15 | 中国石油化工股份有限公司 | Method for rapidly determining transverse rolling distance of observation system and observation system design method |
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