CN108107471B

CN108107471B - The acquisition methods and device of a kind of point of orientation first arrival data volume

Info

Publication number: CN108107471B
Application number: CN201711146367.4A
Authority: CN
Inventors: 冯发全; 何永清; 宁宏晓; 冯泽元; 马青坡
Original assignee: China National Petroleum Corp; BGP Inc
Current assignee: China National Petroleum Corp; BGP Inc
Priority date: 2017-11-17
Filing date: 2017-11-17
Publication date: 2019-10-11
Anticipated expiration: 2037-11-17
Also published as: CN108107471A

Abstract

The application provides the acquisition methods and device of a kind of point of orientation first arrival data volume.The described method includes: according to the detection dot file and shot-file that get, the corresponding geophone station permutation index file of building shot point；According to shot-file, the initial angle and end angle in predefined point of orientation, the corresponding shot point starting straight line of building shot point and shot point terminate straight line；According to the corresponding geophone station permutation index file of shot point, the corresponding effective detection dotted line of shot point originates straight line with shot point respectively and shot point terminates straight line starting intersection point and termination intersection point are obtained；According to starting intersection point and intersection point is terminated, obtains effective geophone station in effective detection dotted line in initial angle and termination angular region；The corresponding first arrival data of effective geophone station are obtained, divide orientation first arrival data volume according to the building of first arrival data.Using embodiment each in the application, reduces the calculation amount for obtaining and dividing azimuthal seismic first arrival data, improve the processing speed of seismic data.

Description

The acquisition methods and device of a kind of point of orientation first arrival data volume

Technical field

The application belongs to the acquisition of geophysical exploration processing technology field more particularly to a kind of point of orientation first arrival data volume Method and device.

Background technique

Dividing the processing of azimuthal seismic data is common technology in current seism processing, i.e. acquisition different direction is corresponding Seismic data carries out the analysis processing of seismic data, especially important to analysis anisotropy.Correspondingly, orientation surface layer is divided to model And static correction technology is also required to fit applications and azimuthal seismic data is divided to handle.And a point orientation first arrival data are to carry out a point orientation surface layer The basic data that Inverse modeling and static correction calculate.

In the prior art, a point orientation first arrival data are generallyd use calculates by the road Bao Zhu, i.e., successively calculates each shot point and ground Which geophone station is dividing in bearing range in shake road, and workload is very huge, cannot meet the timeliness requirement of seism processing. If certain three-dimensional 36000 big gun, every big gun 15600 receive, the prior art by the road Bao Zhu calculation method, with generating a point of orientation Shake first arrival data probably need 14 hours or more, and generating multiple points of orientation first arrival data, then the time is multiplied.This is in very great Cheng Surface layer modeling and static correction, the timeliness requirement of seism processing are affected on degree, also just affect the place of entire seismic data Reason progress.Therefore it provides a kind of scheme, can reduce the calculation amount for obtaining and dividing azimuthal seismic first arrival data, further increase ground The processing speed of shake data, is a technical problem to be solved urgently.

Summary of the invention

The application is designed to provide the acquisition methods and device of a kind of point of orientation first arrival data volume, according to geophone station text Part, shot-file successively obtain and are dividing orientation initial angle on the corresponding effective detection dotted line of each of shot point and terminating angular region Interior effective geophone station.The corresponding first arrival data of each effective geophone station are obtained, further obtains and divides orientation first arrival data.It reduces The calculation amount for dividing azimuthal seismic first arrival data is obtained, further improves the processing speed of seismic data.

On the one hand this application provides a kind of acquisition methods for dividing orientation first arrival data volume, comprising:

Obtain detection dot file and shot-file；

According to the detection dot file and the shot-file, the corresponding geophone station permutation index file of shot point is constructed；

According to the shot-file, the initial angle and end angle in predefined point of orientation, the corresponding big gun of the shot point is constructed Point starting straight line and shot point terminate straight line；

According to the corresponding geophone station permutation index file of the shot point, obtain the corresponding effective detection dotted line of the shot point with The starting intersection point and effective detection dotted line of the shot point starting straight line and the shot point terminate the termination intersection point of straight line, institute Stating effective detection dotted line includes: the detection dotted line for receiving the seismic signal that the shot point generates；

According to the starting intersection point and the termination intersection point, obtain in effective detection dotted line in the initial angle and institute State the effective geophone station terminated in angular region；

The corresponding first arrival data of effective geophone station are obtained, divide orientation first arrival data according to first arrival data building Body.

Further, described according to the shot-file, predefined point of orientation in another embodiment of the method Initial angle and end angle, construct the shot point corresponding shot point starting straight line and shot point terminate straight line, comprising:

Obtain the azimuth of three-dimensional survey line；

According to the azimuth, the initial angle and end angle are subjected to coordinate conversion, obtain conversion initial angle and conversion End angle；

The coordinate of the shot point is obtained according to the shot-file；

According to the coordinate of the shot point, the conversion initial angle, the conversion end angle, the shot point starting straight line is constructed Straight line is terminated with the shot point.

Further, described according to the azimuth in another embodiment of the method, by the initial angle and end Only angle carries out coordinate conversion, obtains conversion initial angle and conversion end angle, comprising:

According toThe initial angle and end angle are subjected to coordinate conversion, obtain the conversion initial angle With the conversion end angle；

In above formula, α₁Indicate that the conversion initial angle, θ indicate the azimuth, α indicates the initial angle, β₁Described in expression End angle is converted, β indicates the end angle.

Further, described to be originated according to the coordinate of the shot point, the conversion in another embodiment of the method Angle, the conversion end angle construct the shot point starting straight line and the shot point terminates straight line, comprising:

According toIt constructs the shot point starting straight line and the shot point terminates Straight line；

In above formula, Y_KIndicate the shot point starting straight line, α₁Indicate the conversion initial angle, X_KIndicate that eastern coordinate, K indicate Shot point number, 1≤K≤N, N indicate total shot point number, SY_KIndicate the northern coordinate of current shot point, SX_KIndicate that the east of current shot point is sat Mark, Y_K' indicate that the shot point terminates straight line, β₁Indicate the conversion end angle.

Further, described that rope is arranged according to the corresponding geophone station of the shot point in another embodiment of the method Quotation part, obtain the corresponding effective detection dotted line of the shot point and the shot point starting straight line starting intersection point and it is described effectively Detection dotted line and the shot point terminate the termination intersection point of straight line, comprising:

According to the detection dot file, the detection dotted line linear equation of detection dotted line is pre-established；

According to the geophone station permutation index file, the corresponding effective detection dotted line of the shot point is obtained；

According to the corresponding detection dotted line linear equation of the effective detection dotted line, obtain effective detection dotted line with it is described Shot point originates the starting intersection point of straight line and the termination intersection point of effective detection dotted line and shot point termination straight line.

It is further, described according to the starting intersection point and the termination intersection point in another embodiment of the method, It obtains in effective detection dotted line in the initial angle and the effective geophone station terminated in angular region, comprising:

According to the detection dot file, the geophone station pile No. linear equation of the detection dotted line is pre-established；

According to the geophone station pile No. linear equation, the corresponding starting intersection point pile No. of starting intersection point and the end are obtained The only corresponding termination intersection point pile No. of intersection point；

According to the starting intersection point pile No. and intersection point pile No. is terminated, is obtained in effective detection dotted line in the initial angle With effective geophone station in the termination angular region.

Further, described according to the starting intersection point pile No. and termination intersection point in another embodiment of the method Pile No. obtains in effective detection dotted line in the initial angle and the effective geophone station terminated in angular region, packet It includes:

According to the corresponding geophone station permutation index file of the shot point, the termination pile No. in effective detection dotted line is obtained With starting pile No., the pile No. that terminates includes that the last one in effective detection dotted line receives the earthquake letter that the shot point generates Number the corresponding pile No. of geophone station, the starting pile No. include in effective detection dotted line first receive the shot point and generate Seismic signal the corresponding pile No. of geophone station；

According to the termination pile No., the starting pile No., the starting intersection point pile No., the termination intersection point pile No., obtain In the initial angle and the geophone station pile No. range terminated in angular region in effective detection dotted line；

Effective geophone station is obtained according to the geophone station pile No. range.

Further, in another embodiment of the method, it is described according to the termination pile No., the starting pile No., The starting intersection point pile No., the termination intersection point pile No. obtain in effective detection dotted line in the initial angle and the end The only geophone station pile No. range in angular region, comprising:

If end angle≤180 ° described in initial angle < described in 0 ° of <, and the termination intersection point pile No. < starting intersection point stake Number, then the geophone station pile No. range includes: the termination intersection point pile No. to the starting intersection point pile No.；

If end angle described in 180 ° of < of initial angle < described in 0 ° of <, and the termination intersection point pile No. < starting intersection point stake Number, then the geophone station pile No. range includes: the termination pile No. to the termination intersection point pile No.；

If end angle described in 180 ° of < of initial angle < described in 0 ° of <, and the termination intersection point pile No. > starting intersection point stake Number, then the geophone station pile No. range includes: the termination pile No. to the starting intersection point pile No.；

If end angle≤360 ° described in initial angle < described in 180 ° of <, and the termination intersection point pile No. > starting intersection point Pile No., then the geophone station pile No. range includes: the starting intersection point pile No. to the termination intersection point pile No..

On the other hand, this application provides a kind of acquisition device for dividing orientation first arrival data volume, comprising:

Data acquisition module, for obtaining detection dot file and shot-file；

Index file constructs module, for it is corresponding to construct shot point according to the detection dot file and the shot-file Geophone station permutation index file；

Shot point straight line constructs module, for the initial angle and end angle according to the shot-file, predefined point of orientation, It constructs the corresponding shot point starting straight line of the shot point and shot point terminates straight line；

Intersection point obtains module, for obtaining the shot point pair according to the corresponding geophone station permutation index file of the shot point The starting intersection point and effective detection dotted line and the shot point of the effective detection dotted line answered and shot point starting straight line terminate The termination intersection point of straight line, effective detection dotted line include: the detection dotted line for receiving the seismic signal that the shot point generates；

Effective geophone station obtains module, for obtaining effective inspection according to the starting intersection point and the termination intersection point In the initial angle and the effective geophone station terminated in angular region in wave point line；

First arrival data volume constructs module, for obtaining the corresponding first arrival data of effective geophone station, according to the first arrival Data building divides orientation first arrival data volume.

Further, in another embodiment of described device, the shot point straight line building module is specifically used for:

Obtain the azimuth of three-dimensional survey line；

The coordinate of the shot point is obtained according to the shot-file；

Further, in another embodiment of described device, the intersection point obtains module and is specifically used for:

Further, in another embodiment of described device, effective geophone station obtains module and is specifically used for:

If end angle≤180 ° described in initial angle < described in 0 ° of < are known in judgement, and the termination intersection point pile No. < described Beginning intersection point pile No., it is determined that the geophone station pile No. range includes: the termination intersection point pile No. to the starting intersection point pile No.；

If end angle described in 180 ° of < of initial angle < described in 0 ° of < is known in judgement, and the termination intersection point pile No. < described Beginning intersection point pile No., it is determined that the geophone station pile No. range includes: the termination pile No. to the termination intersection point pile No.；

If end angle described in 180 ° of < of initial angle < described in 0 ° of < is known in judgement, and the terminations intersection point pile No. > described Beginning intersection point pile No., it is determined that the geophone station pile No. range includes: the termination pile No. to the starting intersection point pile No.；

If end angle≤360 ° described in initial angle < described in 180 ° of < are known in judgement, and the terminations intersection point pile No. > described in Originate intersection point pile No., it is determined that the geophone station pile No. range includes: the starting intersection point pile No. to the termination intersection point pile No..

In another aspect, present invention also provides a kind of acquisition device for dividing orientation first arrival data volume, comprising: processor and For the memory of storage processor executable instruction, the processor realizes above-mentioned point of orientation first arrival number when executing described instruction According to body acquisition methods.

Provided by the present application point of orientation first arrival data volume acquisition methods and device, according to detection dot file and shot-file, The corresponding geophone station permutation index file of each shot point can be constructed.According to shot-file, the specified initial angle for dividing orientation And end angle, the shot point starting straight line and shot point that can construct the corresponding specified corresponding sector in point orientation of shot point terminate straight Line.By constructing the corresponding geophone station permutation index file of each shot point, the earthquake letter that current shot point generates can be received by filtering out Number effective detection dotted line.Effective detection dotted line is recycled to originate the intersection point of straight line and shot point termination straight line, sieve with shot point respectively Selecting in effective detection dotted line is specifying point orientation to correspond to effective geophone station in sector.It is corresponding further to obtain effective geophone station First arrival data, building divide orientation first arrival data volume.Can use effective detection dotted line, effective geophone station is successively screened, no The calculating by the road Bao Zhu must be carried out, does not need to calculate whether each geophone station belongs in the corresponding sector in point orientation, it is only necessary to obtain Take effective geophone station on the corresponding effective detection dotted line of each shot point.Reduce the calculating for obtaining and dividing azimuthal seismic first arrival data Amount, simplifies a point obtaining step for azimuthal seismic first arrival data, further improves the processing speed of seismic data.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The some embodiments recorded in application, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is that the method flow of acquisition methods one embodiment of a kind of point of orientation first arrival data volume provided by the present application shows It is intended to；

Fig. 2 is shot point straight line schematic diagram in the application one embodiment；

Fig. 3 is that effective geophone station determines method schematic diagram in the application one embodiment；

Fig. 4 (a)-Fig. 4 (c) is that geophone station pile No. range determines schematic illustration in the application one embodiment；

Fig. 5 is point orientation first arrival data volume acquisition methods comparing result schematic diagram in the application one implementation；

Fig. 6 is the modular structure schematic diagram of provided by the present application point of orientation first arrival data volume acquisition device one embodiment；

Fig. 7 is the modular structure signal of the acquisition device embodiment of first arrival data volume in another kind point orientation provided by the present application Figure.

Specific embodiment

In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common The application protection all should belong in technical staff's every other embodiment obtained without creative efforts Range.

When carrying out seismic prospecting, excitation point and geophone station can be set in earth's surface in advance.Earthquake is excited with manual method Wave receives seismic data at each geophone station, by the processing and explanation to seismic data, completes seismic prospecting.Work as shear wave When by HTI (Horizontal Transverse Isotropy, transverse anisotropy) medium, it can be split into parallel-vertical shear wave, Parallel-vertical shear wave has energy in both the tangential and radial directions, and azimuthal anisotropy feature will be shown in orientation trace gather.In order to divide The principal direction and intensity for analysing this azimuthal anisotropy, need a point azimuth sector to be handled, that is, carry out a point azimuthal seismic data Processing.When carrying out the processing of point azimuthal seismic data, need to obtain the data in point orientation, i.e., it is first in orientation including dividing To data.

It, can be by being blown out at shot point when carrying out field data collection, artificial excitation's seismic wave, at each geophone station Wave detector is set, seismic signal is received.Each geophone station is corresponding with the information such as detection point number, wire size, pile No., and each shot point is corresponding There are the information such as point number, wire size, pile No., can reflect the information such as the position of geophone station and shot point.Geophone station with identical wire size One geophone station survey line at place is properly termed as detection dotted line, and a shot point survey line where the shot point with identical wire size can be with Referred to as shot point line.

Fig. 1 is that the method flow of acquisition methods one embodiment of a kind of point of orientation first arrival data volume provided by the present application shows It is intended to, provided by the present application point of orientation first arrival data volume acquisition methods include:

S1, detection dot file and shot-file are obtained.

Specifically, the application one embodiment can according to need the position for setting geophone station, shot point, determine geophone station Line, the wire size of shot point line and geophone station and the pile No. of shot point etc..Detection dot file and shot-file may include: field earthquake Two files respectively about geophone station and shot point related data obtained after the completion of data acquisition.Detection dot file generally can be with Wire size, point number (pile No. that wire size × 10000+ point number can be used as geophone station), northern coordinate, east seat are corresponded to including each geophone station Mark, earth's surface elevation etc..Shot-file generally may include the corresponding wire size of each shot point, (wire size × 10000+ point number can be with for point number Pile No. as shot point), northern coordinate, eastern coordinate, earth's surface elevation, excitation well depth etc..Certainly, in detection dot file and shot-file It can also include other data, the embodiment of the present application is not especially limited.

S2, according to the detection dot file and the shot-file, construct the corresponding geophone station permutation index file of shot point.

Specifically, when field acquisition is blown out, a shot point can have multiple geophone stations of a plurality of different detection dotted line simultaneously Reception seismic signal is carried out simultaneously, and a shot point and the corresponding all geophone stations for receiving seismic signal are referred to as Rankine-Hugoniot relations.? In one example of the application, it can obtain each shot point according to detection dot file and shot-file and be produced with corresponding reception shot point Rankine-Hugoniot relations between all geophone stations of raw seismic signal constructs the corresponding geophone station permutation index file of each shot point. Geophone station permutation index file may include: the geophone station wire size for receiving the seismic signal that shot point generates, detection dotted line reception The pile No. of first geophone station and position number, detection dotted line of first geophone station of the seismic signal of this shot point excitation connect Receive the pile No. of the last one geophone station of the seismic signal of this shot point excitation and the position number of the last one geophone station.

In the application one embodiment, geophone station line index file can be established according to detection dot file and shot-file With shot point line index file.Geophone station line index file may include the wire size of every detection dotted line, the detection dotted line first The pile No. of geophone station and first geophone station sort the position in (ascending order) in all geophone stations, the last one inspection of the detection dotted line Wave point pile No. and the last one geophone station sort the position in (ascending order) in all geophone stations.Shot point line index file may include The wire size of every shot point line, first shot point pile No. of the shot point line and first shot point sort the position in (ascending order) in all shot points It sets, the last one shot point pile No. of the shot point line and the last one shot point sort the position in (ascending order) in all shot points.Geophone station Line index file box shot point line index file, can probably represent between the positional relationship and each shot point between each geophone station Positional relationship, the spatial arrangement for finding out each geophone station and shot point that can be general.Meanwhile geophone station line index file box big gun Dotted line index file can also quickly orient the position of each geophone station, shot point.Further according to geophone station line index file and big gun Dotted line index file can go out the corresponding geophone station permutation index file of each shot point with rapid build.Certainly, geophone station clue is drawn It can also include other data in file and shot point line index file, the embodiment of the present application is not especially limited.

S3, according to the shot-file, the initial angle and end angle in predefined point of orientation, it is corresponding to construct the shot point Shot point originates straight line and shot point terminates straight line.

Specifically, the position that each shot point can be obtained from shot-file, according to the starting in predetermined point of orientation Angle α and end angle β, can construct each shot point using the tangent value of initial angle α as the shot point of slope originate straight line and each shot point with The tangent value of end angle β is that the shot point of slope terminates straight line.It can be constructed not using the position where each shot point as coordinate origin Same coordinate system, constructs the corresponding shot point starting straight line of each shot point and shot point terminates straight line.Fig. 2 is in the application one embodiment Shot point straight line schematic diagram, as shown in Fig. 2, according to the position of specified the initial angle α for dividing orientation and end angle β and shot point A, Two straight lines can be constructed, shot point originates straight line and shot point terminates straight line.

S4, according to the corresponding geophone station permutation index file of the shot point, obtain the corresponding effective geophone station of the shot point The termination that the starting intersection point and effective detection dotted line and the shot point of line and shot point starting straight line terminate straight line is handed over Point, effective detection dotted line include: the detection dotted line for receiving the seismic signal that the shot point generates.

Specifically, according to the corresponding geophone station permutation index file of shot point, the available earthquake letter for receiving shot point and generating Number detection dotted line, i.e. the corresponding effective detection dotted line of the shot point.Such as: in the corresponding geophone station permutation index file of shot point A The wire size that record has the detection dotted line for receiving the seismic signal that shot point A is generated includes 1,5,7,10,15.Then geophone station wire size be 1, 5,7,10,15 corresponding detection dotted lines may be considered the corresponding effective detection dotted line of shot point A.According to the corresponding effective inspection of shot point Wave point line, shot point starting straight line and shot point terminate straight line, obtain effective detection dotted line and shot point starting straight line starting intersection point with And the termination intersection point of effectively detection dotted line and shot point termination straight line.The effective detection dotted line of each shot point corresponding with shot point respectively Starting straight line and shot point terminate straight line share 2 intersection points, can successively obtain the corresponding effective detection dotted line of each shot point respectively with Shot point originates straight line and shot point terminates the intersection point of straight line.

S5, according to the starting intersection point and the termination intersection point, obtain in effective detection dotted line in the initial angle With effective geophone station in the termination angular region.

Specifically, the effective detection dotted line of each and the corresponding shot point starting straight line of shot point are got and shot point terminates straight line Starting intersection point and terminate intersection point after, can according to starting intersection point and terminate intersection point position determine effectively to examine in conjunction with figure Effective geophone station in wave point line in the range of the specified initial angle and end angle for dividing orientation.

Such as: Fig. 3 is that effective geophone station determines method schematic diagram in the application one embodiment, as shown in figure 3, α can be with Indicate that the specified initial angle for dividing orientation, β can indicate the end angle in specified point orientation, A can indicate shot point, B₁It can be with table Show starting intersection point, B₂It can indicate to terminate intersection point, L₁It can indicate that shot point originates straight line, L₂It can indicate that shot point terminates straight line, l₁ It can indicate effective detection dotted line.As shown in figure 3,0 ° of β≤180 ° < α < at this time, at this point it is possible to think effective detection dotted line l₁ In in the effective geophone station divided in azimuthal sector region where initial angle α and end angle β, in starting intersection points B₁With termination intersection point B₂Between.The specific location of effective geophone station can be according to detection dot file or geophone station line index file or the corresponding inspection of shot point Wave point permutation index file is determined.

The method can be used, effective geophone station in the corresponding each effective detection dotted line of shot point is obtained.Such as: it can obtain Take the corresponding effective detection dotted line l of shot point A₁、l₅、l₇、l₁₀、l₁₅In corresponding effective geophone station.

S6, the corresponding first arrival data of effective geophone station are obtained, divides orientation first arrival number according to first arrival data building According to body.

Specifically, point orientation first arrival data volume may include the set that specified point orientation corresponds to the first arrival data in sector. After getting effective geophone station in the corresponding effective detection dotted line of shot point, it can be drawn according to detection dot file or geophone station clue File or the corresponding geophone station permutation index file of shot point, determine the position of each effective geophone station.According to effective geophone station Position obtains the corresponding first arrival data of each effective geophone station, method can obtain the corresponding effective geophone station of all shot points according to this First arrival data, construct a point orientation first arrival data volume.The first arrival time that whole shake roads of every big gun can be picked up in advance, generates just To data file.After getting the corresponding effective geophone station of each shot point, it can be drawn according to detection dot file or geophone station clue File or the corresponding geophone station permutation index file of shot point, determine the position in first arrival data file of each effective geophone station It sets.According to the position in first arrival data file of each effective geophone station, effectively inspection can be extracted from first arrival data file The corresponding first arrival data (can be initial time value) of wave point, further construct a point orientation first arrival data volume.

Such as: it include 10 shot points in the application one embodiment, each shot point includes 10 effective detection dotted lines.It can It is successively to obtain effective geophone station in the effective detection dotted line of the corresponding each of 10 shot points, all shot points are corresponding all The first arrival data of effective geophone station in effective detection dotted line, which are used as, divides orientation first arrival data volume.

Provided by the present application point of orientation first arrival data volume acquisition methods can be with structure according to detection dot file and shot-file Build out the corresponding geophone station permutation index file of each shot point.According to shot-file, the specified initial angle for dividing orientation and termination Angle, the shot point starting straight line and shot point that can construct the corresponding specified corresponding sector in point orientation of shot point terminate straight line.It is logical It crosses and constructs the corresponding geophone station permutation index file of each shot point, filter out having for the seismic signal that can receive that current shot point generates Imitate detection dotted line.Effective detection dotted line is recycled to originate the intersection point of straight line and shot point termination straight line with shot point respectively, screening is effective Orientation is divided to correspond to effective geophone station in sector specified in detection dotted line.Further obtain the corresponding first arrival number of effective geophone station According to building divides orientation first arrival data volume.The calculating by the road Bao Zhu need not be carried out, does not need to calculate each geophone station and whether belongs to point In the corresponding sector in orientation.A point obtaining step for azimuthal seismic first arrival data is simplified, reduces acquisition and divides azimuthal seismic first arrival The calculation amount of data further improves the processing speed of seismic data.

On the basis of the above embodiments, described according to the shot-file, the initial angle in predefined point of orientation and end Only angle, constructs the corresponding shot point starting straight line of the shot point and shot point terminates straight line, comprising:

Obtain the azimuth of three-dimensional survey line；

The coordinate of the shot point is obtained according to the shot-file；

The shot point, which is constructed, according to the coordinate of the shot point, the conversion initial angle, the conversion end angle originates straight line Straight line is terminated with the shot point.

Specifically, the azimuth of seismic survey lines is usually to increase using direct north as zero degree, clockwise direction to define, And rectangular co-ordinate (can be understood as) usually mathematically is increased using due east direction as zero degree, counter clockwise direction to define. Subsequent data processing and calculating for convenience, needs the initial angle in point orientation that will be specified and end angle to be coordinately transformed, Be converted to the angle in usual mathematics in rectangular coordinate system.

The azimuth of three-dimensional survey line can be determined when doing Seismic Design, detection dotted line can according to this azimuth into Row design.In the application one embodiment, using the azimuth for the three-dimensional survey line being pre-designed or it can directly can lead to The northern coordinate and eastern coordinate for crossing a detection dotted line are calculated this azimuth and (or are calculated, made even using a plurality of detection dotted line Mean value).According to the azimuth of the three-dimensional survey line of acquisition, the initial angle in specified point orientation and end angle are coordinately transformed, Obtain conversion initial angle and conversion end angle.Specific coordinate conversion can be carried out with reference to following formula (1):

In above formula, α₁It can indicate that conversion initial angle, θ can indicate the azimuth of three-dimensional survey line, α can indicate to originate Angle, β₁It can indicate conversion end angle, β can indicate end angle.It is, of course, also possible to other methods are used according to actual needs, The initial angle in specified point orientation and end angle are coordinately transformed, the application is not especially limited.

According to the conversion initial angle α after conversion₁With conversion end angle β₁, in conjunction with the coordinate of shot point, shot point pair can be constructed The shot point starting straight line and shot point answered terminate straight line.The coordinate of shot point can be obtained by shot-file.

The specific corresponding shot point starting straight line of shot point and the method for shot point termination straight line of constructing can refer to following formula (2):

In above formula, Y_KIt can indicate that shot point originates straight line, i.e., northern coordinate belongs to dependent variable, and K can indicate that shot point is numbered, and 1 ≤ K≤N, N indicate total shot point number；α₁It can indicate conversion initial angle；X_KIt can indicate eastern coordinate, be unknown quantity, K can be indicated Shot point number, 1≤K≤N, N can indicate total shot point number；SY_KIt can indicate that the northern coordinate of current shot point, K can indicate shot point Number, 1≤K≤N, N can indicate total shot point number；SX_KIt can indicate that the eastern coordinate of current shot point, K can indicate that shot point is numbered, 1≤K≤N, N can indicate total shot point number；Y_K' it can indicate that shot point terminates straight line, i.e., northern coordinate belongs to dependent variable, K can be with table Show that shot point is numbered, 1≤K≤N, N can indicate total shot point number；β₁It can indicate conversion end angle.

Provided by the present application point of orientation first arrival data volume acquisition methods, point orientation that can use the coordinate of shot point and specify Initial angle and end angle, can quickly construct shot point starting straight line and shot point terminate straight line.Divide orientation for subsequent acquisition First arrival data volume provides accurate theoretical basis, meanwhile, reduce the calculation amount for obtaining and dividing azimuthal seismic first arrival data, into One step improves the processing speed of seismic data.

On the basis of the above embodiments, described according to the corresponding geophone station permutation index file of the shot point, obtain institute State the corresponding effective detection dotted line of shot point and the shot point starting straight line starting intersection point and effective detection dotted line with it is described The termination intersection point of shot point termination straight line, comprising:

Specifically, the coordinate of each geophone station on every detection dotted line, Ke Yili can be obtained according to detection dot file It is fitted with ordinate and abscissa of the least square method to all geophone stations on detection dotted line, obtains detection dotted line straight line Equation.It is of course also possible to use other methods construct detection dotted line linear equation, such as list, image fitting, the application do not make It is specific to limit.The detection dotted line linear equation constructed can refer to following formula (3):

Y_i=a_1,iX_i+a_0,i (3)

In above formula, Y_iIt can indicate that northern coordinate, i can indicate that the number of detection dotted line, range are 1 detection for arriving the three-dimensional The item number M of dotted line；X_iIt can indicate that eastern coordinate, i can indicate that the number of detection dotted line, range are 1 geophone station for arriving the three-dimensional The item number M of line；a_1,iIt can indicate the slope coefficient of detection dotted line linear equation, can be calculated by least square method, i can To indicate that detection dotted line is numbered, range is the 1 geophone station number of lines M for arriving the three-dimensional；a_0,iIt can indicate the normal system of linear equation Number, can be calculated by least square method, and i can indicate that detection dotted line is numbered, and range is the 1 geophone station lines for arriving the three-dimensional Number M.

According to geophone station permutation index file, the corresponding effective detection dotted line of shot point can be obtained.According to effective geophone station The corresponding detection dotted line linear equation of line can obtain the starting intersection point of effective detection dotted line and shot point starting straight line, Yi Jiyou It imitates detection dotted line and shot point terminates the termination intersection point of straight line.

Provided by the present application point of orientation first arrival data volume acquisition methods can use least square method, obtain detection dotted line Detection dotted line linear equation, further obtain effective detection dotted line and shot point starting straight line and shot point terminate straight line friendship Point.Method is simple, and calculation amount is small, provides accurate data basis for the acquisition of subsequent point of bearing data body.

On the basis of the above embodiments, described according to the starting intersection point and the termination intersection point, it obtains described effective In the initial angle and the effective geophone station terminated in angular region in detection dotted line, comprising:

Specifically, according to detection dot file, can be obtained in the application one embodiment each geophone station abscissa (or Ordinate) and pile No. geophone station pile No. linear equation established according to the relationship between geophone station coordinate and pile No..It can be right The pile No. of all geophone stations of every detection dotted line is in alignment using least square fitting with ordinate (or abscissa), builds The linear equation of vertical geophone station pile No. and ordinate (or abscissa) (can be converted to geophone station by ordinate or abscissa Pile No.).It is of course also possible to use other methods construct geophone station pile No. linear equation, such as list, image fitting, the application It is not especially limited.When the azimuth of seismic survey lines is close to zero degree (direct north), pile No. and abscissa can be intended It closes, when other angles, pile No. and ordinate can be fitted.The geophone station pile No. linear equation of acquisition can refer to as follows Formula (4):

R_i=b_1,iX_i+b_0,i (4)

In above formula, R_iIt can indicate that northern coordinate, i can indicate that the number of detection dotted line, range are 1 detection for arriving the three-dimensional The item number M of dotted line；X_iIt can indicate that eastern coordinate or northern coordinate, i can indicate that the number of detection dotted line, range arrive the three-dimensional for 1 Detection dotted line item number M；b_1,iIt can indicate the slope coefficient of geophone station pile No. linear equation, it can be by least square method meter It obtains, i represents detection dotted line number, and range is the 1 geophone station number of lines M for arriving the three-dimensional；b_0,iIt can indicate linear equation Constant coefficient can be calculated by least square method, and i can indicate that detection dotted line is numbered, and range is 1 geophone station for arriving the three-dimensional Number of lines M.

After obtaining geophone station pile No. linear equation, can according to geophone station pile No. linear equation, by effective detection dotted line with The coordinate of starting intersection point and termination intersection point that shot point starting straight line and shot point terminate straight line is converted to corresponding pile No., is risen Beginning intersection point pile No. and termination intersection point pile No..According to the starting intersection point pile No. of acquisition and intersection point pile No. is terminated, determines effective geophone station Effective geophone station in line.

Due to starting intersection point and terminate intersection point between there may be cannot receive shot point generation seismic signal geophone station, Accordingly, it may be desirable to be screened according to the actual situation.It, can be according to the corresponding detection of shot point in the application one embodiment Point permutation index file obtains termination pile No. and starting pile No. in effective detection dotted line.Terminating pile No. may include effectively examining The last one in wave point line receives the corresponding pile No. of geophone station of the seismic signal of shot point generation.Originating pile No. may include having First receives the corresponding pile No. of geophone station for the seismic signal that shot point generates in effect detection dotted line.Intersection point is originated according to obtaining Pile No. terminates intersection point pile No., starting pile No., terminates pile No., obtain in effective detection dotted line in the corresponding initial angle in point orientation and Terminate the geophone station pile No. range in angular region.Pattern analysis geophone station pile No. range and starting intersection point stake can specifically be passed through Number, terminate intersection point pile No., starting pile No., terminate pile No. between relationship, be determined.

Fig. 4 (a)-Fig. 4 (c) is that geophone station pile No. range determines schematic illustration, such as Fig. 4 in the application one embodiment (a) shown in-Fig. 4 (c), in figure, α expression divides orientation corresponding initial angle, and β expression divides orientation corresponding end angle, and Jsta1 is indicated Intersection point pile No. is originated, Jsta2 indicates to terminate intersection point pile No., and Rsta1 indicates to terminate pile No., and Rsta2 indicates starting pile No., and A can be with Indicate shot point, L₁It can indicate that shot point originates straight line, L₂It can indicate that shot point terminates straight line, l₁、l₂It can indicate effective geophone station Line.Geophone station pile No. range determines schematic illustration, Fig. 4 when Fig. 4 (a) is 0 ° of β≤180 ° < α < in the application one embodiment (b) geophone station pile No. range determines schematic illustration when being 0 ° of < α 180 ° of < β of < in the application one embodiment, and Fig. 4 (c) is Geophone station pile No. range determines schematic illustration when 180 ° of β≤360 ° < α < in the application one embodiment, can specifically refer to Following method determines geophone station wave pile No. range:

If 0 ° of β≤180 ° < α <, and Jsta2 < Jsta1, then geophone station pile No. range may include: Jsta2 to Jsta1.

If 0 ° of < α <, 180 ° of < β, and when Jsta2 < Jsta1, then geophone station pile No. range may include: that Rsta1 is arrived Jsta2；If 0 ° of < α <, 180 ° of < β, and Jsta2 > Jsta1, then geophone station pile No. range may include: Rsta1 to Jsta1.

If 180 ° of β≤360 ° < α <, and Jsta2 > Jsta1, then geophone station pile No. range may include: that Jsta1 is arrived Jsta2。

According to the geophone station pile No. range of above-mentioned determination, the corresponding geophone station permutation index document alignment of shot point can be passed through Effective geophone station within the scope of geophone station pile No., the position in the first arrival file obtained in advance.And it extracts at the position Time value (first arrival data) saves to specified and divides in orientation first arrival data file, and the available shot point of method is all according to this It is arranged in the specified earthquake first arrival data divided in bearing range.

Provided by the present application point of orientation first arrival data volume acquisition methods provide in a kind of effective detection dotted line of quick determination In the geophone station pile No. range divided in bearing range, can be realized in detection dotted line in the effective geophone station divided in bearing range Quick positioning.Reduce the calculation amount for obtaining and dividing azimuthal seismic first arrival data, further increases the processing speed of seismic data.

In the application one embodiment, divide orientation first arrival data volume acquisition methods that can refer to following implementation process:

1) detection dot file, shot-file and the relational file etc. of three-dimensional survey line are sorted out according to field production.Geophone station File can press geophone station pile No. ascending sort, shot-file can be by shot point pile No. ascending sort.And geophone station is established respectively The index file of line and shot point line, the corresponding geophone station permutation index file of each shot point.

2) first arrival time for picking up every big gun, generates first arrival data file.The first arrival time of every big gun, may include seismic wave most First reach the seismic signal time of each geophone station.

3) it obtains the azimuth of the determining three-dimensional survey line of design or calculates the azimuth of three-dimensional survey line according to detection dot file.

4) ordinate to all geophone stations of every detection dotted line and abscissa carry out least square fitting, establish every The ordinate of detection dotted line and the detection dotted line linear equation of abscissa；

5) least square fitting is carried out to the pile No. of all geophone stations of every detection dotted line and ordinate (or abscissa), Establish the detection dotted line pile No. linear equation between the geophone station pile No. of every detection dotted line and ordinate (or abscissa).It is local When shaking survey line azimuth close to zero degree (direct north), pile No. and abscissa can be fitted, it, can general when other angles Pile No. is fitted with ordinate.

6) point initial angle of orientation first arrival data and end angle (regulation: initial angle is less than end angle) will be generated by specifying, and The azimuth of the three-dimensional survey line obtained in conjunction with step 3) by initial angle and end angle be respectively converted into the east of coordinate be that horizontal axis, north are sat It is designated as the longitudinal axis, due east direction is zero degree, the conversion initial angle and conversion end angle of the rectangular coordinate system increased counterclockwise.It is specific to turn The method of changing can refer to the introduction of above-described embodiment, and details are not described herein again.

7) since the first bombard, with above-mentioned steps 6) what is obtained converts the seat of initial angle, conversion end angle and current shot point Mark, establishes shot point starting straight line respectively and shot point terminates straight line.Geophone station permutation index file is corresponded to according to current shot point, is obtained All effective detection dotted lines of the corresponding seismic signal for receiving current shot point generation of current shot point.It obtains one by one and works as forward gun The corresponding effective detection dotted line of point and shot point starting straight line and shot point terminate the starting intersection point of straight line and terminate intersection point.

1 shot point may have a plurality of effective detection dotted line while receive seismic signal, and the application can work as forward gun by receiving Effective detection dotted line line-by-line of point earthquake information is respectively calculated.The detection dotted line pile No. straight line side obtained according to step 5) Journey obtains the detection dotted line pile No. linear equation of the currently active detection dotted line.According to the coordinate of the starting intersection point of acquisition, terminates and hand over The corresponding detection dotted line pile No. linear equation of coordinate and the currently active detection dotted line of point will originate intersection point and terminate intersection point Coordinate is converted to corresponding pile No., obtains starting intersection point pile No. and terminates intersection point pile No..

According to starting intersection point pile No. and terminating intersection point pile No. may determine that the currently active detection dotted line in specified point orientation Geophone station pile No. range in corresponding initial angle and end angle.Starting pile No. and the end of the currently active detection dotted line can be combined Only pile No. is determined geophone station stake of the currently active detection dotted line in the specified corresponding initial angle in point orientation and end angle Number range.Specific method can refer to above-described embodiment, be not especially limited herein.It may then pass through the detection of current shot point Point permutation index file quickly positions position of effective geophone station in first arrival file within the scope of geophone station pile No., and extracts Time value (first arrival) write-in at the position it is new divide orientation first arrival data file.Obtain that current shot point is corresponding all to be had one by one The corresponding first arrival data of effective geophone station in detection dotted line are imitated, available current shot point is all in specified azimuth coverage Earthquake first arrival data.

8) is extracted by each shot point and is divided in bearing range specified according to the method for step 7) for shot point all in three-dimensional survey line Seismic channel first arrival data, obtain point orientation first arrival data volume of whole shot points.

9) it is remaining to can be used for surface layer Inverse modeling, point orientation static correction and point orientation for point orientation first arrival data volume generated The calculating of static correction.

Fig. 5 is point orientation first arrival data volume acquisition methods comparing result schematic diagram in the application one implementation, such as Fig. 5 institute Show, ordinate, which indicates to obtain, in figure divides time of bearing data body, and time few figure is to be obtained using the present processes point Time used in bearing data body, time longer figure are divided used in bearing data body using the method acquisition of the prior art Time.Since three dimensional seismic data general data amount is larger, divide orientation first arrival data volume by the conventional method generation of the prior art Calculation amount it is especially big, calculate that time-consuming using common computer, be difficult to meet the timeliness requirement of seism processing.Pass through this Application can quickly generate a point orientation first arrival data volume on common computer, shorten data generation time, to be able to satisfy practical life The needs of production.As shown in figure 5, by comparison, it can be seen that the application acquisition divides the time of bearing data body to have apparent reduction, The small efficiency that point bearing data body obtains is improved, the processing speed of seismic data is further improved.

It should be noted that the separate equations in the application are a kind of embodiment, can also as needed to formula into Row deformation or transformation, the application are not especially limited.

Provided by the present application point of orientation first arrival data volume acquisition methods can be with structure according to detection dot file and shot-file Build out the corresponding geophone station permutation index file of each shot point.According to shot-file, the specified initial angle for dividing orientation and termination Angle, the shot point starting straight line and shot point that can construct the corresponding specified corresponding sector in point orientation of shot point terminate straight line.Pass through The corresponding geophone station permutation index file of each shot point is constructed, the effective of the seismic signal that can receive that current shot point generates is filtered out Detection dotted line.It recycles effective detection dotted line to originate the intersection point of straight line and shot point termination straight line with shot point respectively, screens effectively inspection Orientation is divided to correspond to effective geophone station in sector specified in wave point line.Further obtain the corresponding first arrival number of effective geophone station According to building divides orientation first arrival data volume.The calculating by the road Bao Zhu need not be carried out, does not need to calculate each geophone station and whether belongs to point In the corresponding sector in orientation.A point obtaining step for azimuthal seismic first arrival data is simplified, reduces acquisition and divides azimuthal seismic first arrival The calculation amount of data further improves the processing speed of seismic data.

First arrival data volume in orientation is divided to obtain processing method based on described above, this specification one or more embodiment is also First arrival data volume in one kind point orientation is provided and obtains processing unit.The device may include having used this specification embodiment institute It states the system (including distributed system) of method, software (application), module, component, server, client etc. and combines necessary Implement the device of hardware.Device based on same innovation thinking, in one or more embodiments of this specification embodiment offer As described in the following examples.Since the implementation that device solves the problems, such as is similar to method, this specification embodiment tool The implementation of the device of body may refer to the implementation of preceding method, and overlaps will not be repeated.It is used below, term " unit " Or the combination of the software and/or hardware of predetermined function may be implemented in " module ".Although device described in following embodiment compared with It is realized goodly with software, but the realization of the combination of hardware or software and hardware is also that may and be contemplated.

Specifically, Fig. 6 is the modular structure of provided by the present application point of orientation first arrival data volume acquisition device one embodiment Schematic diagram, as shown in fig. 6, a point orientation first arrival data volume acquisition device provided herein includes: data acquisition module 61, rope Quotation part constructs module 62, shot point straight line building module 63, intersection point and obtains module 64, effective geophone station acquisition module 65, first arrival Data volume constructs module 66.

Data acquisition module 61 can be used for obtaining detection dot file and shot-file；

Index file constructs module 62, can be used for constructing shot point according to the detection dot file and the shot-file Corresponding geophone station permutation index file；

Shot point straight line constructs module 63, can be used for according to the shot-file, predefined point of orientation initial angle and End angle, constructs the corresponding shot point starting straight line of the shot point and shot point terminates straight line；

Intersection point obtains module 64, can be used for according to the corresponding geophone station permutation index file of the shot point, described in acquisition The starting intersection point and effective detection dotted line and the big gun of the corresponding effective detection dotted line of shot point and shot point starting straight line Point terminates the termination intersection point of straight line, and effective detection dotted line includes: the geophone station for receiving the seismic signal that the shot point generates Line；

Effective geophone station obtains module 65, can be used for according to the starting intersection point and the termination intersection point, described in acquisition In the initial angle and the effective geophone station terminated in angular region in effective detection dotted line；

First arrival data volume constructs module 66, can be used for obtaining the corresponding first arrival data of effective geophone station, according to institute State first arrival data building point orientation first arrival data volume.

Provided by the present application point of orientation first arrival data volume acquisition device can be with structure according to detection dot file and shot-file Build out the corresponding geophone station permutation index file of each shot point.According to shot-file, the specified initial angle for dividing orientation and termination Angle, the shot point starting straight line and shot point that can construct the corresponding specified corresponding sector in point orientation of shot point terminate straight line.Pass through The corresponding geophone station permutation index file of each shot point is constructed, the effective of the seismic signal that can receive that current shot point generates is filtered out Detection dotted line.It recycles effective detection dotted line to originate the intersection point of straight line and shot point termination straight line with shot point respectively, screens effectively inspection Orientation is divided to correspond to effective geophone station in sector specified in wave point line.Further obtain the corresponding first arrival number of effective geophone station According to building divides orientation first arrival data volume.The calculating by the road Bao Zhu need not be carried out, does not need to calculate each geophone station and whether belongs to point In the corresponding sector in orientation.A point obtaining step for azimuthal seismic first arrival data is simplified, reduces acquisition and divides azimuthal seismic first arrival The calculation amount of data further improves the processing speed of seismic data.

On the basis of the above embodiments, the shot point straight line building module is specifically used for:

Obtain the azimuth of three-dimensional survey line；

The coordinate of the shot point is obtained according to the shot-file；

Provided by the present application point of orientation first arrival data volume acquisition device obtains the corresponding seat of current shot point according to shot-file Mark, in conjunction with the corresponding initial angle in orientation and end angle is divided, can be gone out with rapid build current shot point corresponding shot point starting straight line and Shot point terminates straight line.Accurate data basis is provided for a subsequent acquisition point orientation first arrival data volume, improves a point bearing data The speed that body obtains.

Provided by the present application point of orientation first arrival data volume acquisition device can be quick according to the azimuth of three-dimensional survey line The corresponding initial angle in orientation and end angle will be divided, be quickly converted to the angle under the common coordinate system of mathematical computations.After convenient Continuous data processing and calculating improves the speed that point bearing data body obtains.

Provided by the present application point of orientation first arrival data volume acquisition device utilizes conversion initial angle, conversion end angle and big gun The corresponding coordinate of point, the equation and shot point that quickly construct accurate shot point starting straight line terminate the equation of straight line.It is subsequent First arrival data volume in acquisition point orientation provides accurate data basis, improves the speed that point bearing data body obtains.

On the basis of the above embodiments, the intersection point obtains module and is specifically used for:

Provided by the present application point of orientation first arrival data volume acquisition device, can construct each detection according to detection dot file The linear equation of point dotted line, may further quickly obtain effective detection dotted line and shot point starting straight line and shot point terminates directly The intersection point of line.It filters out effective geophone station to be subsequent and provides accurate data basis, meanwhile, method is simple, and calculation amount is small, subtracts Lack the calculation amount for obtaining and dividing azimuthal seismic first arrival data, further improves the processing speed of seismic data.

On the basis of the above embodiments, effective geophone station obtains module and is specifically used for:

Provided by the present application point of orientation first arrival data volume acquisition device can construct geophone station according to detection dot file and sit Geophone station pile No. linear equation between mark and pile No..It may further be will acquire according to geophone station pile No. linear equation Starting intersection point and the coordinate for terminating intersection point are converted to starting intersection point pile No. and terminate intersection point pile No..According to starting intersection point pile No. and end Only intersection point pile No. can be oriented quickly in the pile No. where effective geophone station in point orientation initial angle and termination angular region Range.It filters out effective geophone station to be subsequent and provides accurate data basis, meanwhile, method is simple, and calculation amount is small, reduces The calculation amount for dividing azimuthal seismic first arrival data is obtained, the processing speed of seismic data is further improved.

Provided by the present application point of orientation first arrival data volume acquisition device, due to that may be deposited between starting intersection point and termination intersection point The reception of effective geophone station line is combined to work as in the geophone station for the seismic signal that cannot receive shot point generation, the application one embodiment The corresponding starting pile No. of starting geophone station and the corresponding termination pile No. of termination geophone station for the seismic signal that preceding shot point generates, really It is scheduled on point orientation initial angle and terminates the pile No. range where effective geophone station in angular region.Effective detection is filtered out to be subsequent Point provides accurate data basis, meanwhile, method is simple, and calculation amount is small, reduces acquisition and divides azimuthal seismic first arrival data Calculation amount further improves the processing speed of seismic data.

Provided by the present application point of orientation first arrival data volume acquisition device divides orientation corresponding starting in conjunction with what is actually specified Angle, starting intersection point pile No., terminates intersection point pile No., starting pile No., terminates pile No. the angle of end angle, can accurately orient Pile No. range where dividing orientation initial angle and terminating effective geophone station in angular region.Effective geophone station is filtered out to be subsequent Accurate data basis is provided, meanwhile, method is simple, and calculation amount is small, reduces the meter for obtaining and dividing azimuthal seismic first arrival data Calculation amount further improves the processing speed of seismic data.

It should be noted that device described above can also include other embodiment party according to the description of embodiment of the method Formula, concrete implementation mode are referred to the description of related method embodiment, do not repeat one by one herein.

It is above-mentioned that this specification specific embodiment is described.Other embodiments are in the scope of the appended claims It is interior.In some cases, the movement recorded in detail in the claims or step can be come according to the sequence being different from embodiment It executes and desired result still may be implemented.In addition, process depicted in the drawing not necessarily require show it is specific suitable Sequence or consecutive order are just able to achieve desired result.In some embodiments, multitasking and parallel processing be also can With or may be advantageous.

The above-mentioned point of orientation first arrival data volume acquisition methods or device that this specification embodiment provides can be in a computer Corresponding program instruction is executed by processor to realize, such as realized using the c++ language of windows operating system at the end PC, Linux system is realized or other are for example realized using android, iOS system programming language in intelligent terminal, Yi Jiji Realized in the processing logic of quantum computer etc..This specification provide a kind of acquisition device for dividing orientation first arrival data volume it is another In one embodiment, Fig. 7 is the module knot of the acquisition device embodiment of first arrival data volume in another kind point orientation provided by the present application Structure schematic diagram, as shown in fig. 7, point orientation first arrival data volume acquisition device that another embodiment of the application provides may include processing Device 71 and memory 72 for storage processor executable instruction,

Processor 71 and memory 72 pass through bus 73 and complete mutual communication；

The processor 71 is used to call the program instruction in the memory 72, to execute above-mentioned each point of orientation first arrival number According to method provided by body acquisition methods embodiment, for example, obtain detection dot file and shot-file；According to the detection Dot file and the shot-file, the corresponding geophone station permutation index file of building shot point；According to the shot-file, predefine The initial angle and end angle for dividing orientation, construct the shot point corresponding shot point starting straight line and shot point terminate straight line；According to institute The corresponding geophone station permutation index file of shot point is stated, the corresponding effective detection dotted line of the shot point is obtained and shot point starting is straight The starting intersection point of line and effective detection dotted line and the shot point terminate the termination intersection point of straight line, effective detection dotted line It include: the detection dotted line for receiving the seismic signal that the shot point generates；According to the starting intersection point and the termination intersection point, obtain In the initial angle and the effective geophone station terminated in angular region in effective detection dotted line；Obtain effective detection The corresponding first arrival data of point divide orientation first arrival data volume according to first arrival data building.

It should be noted that specification device described above can also include it according to the description of related method embodiment His embodiment, concrete implementation mode are referred to the description of embodiment of the method, do not repeat one by one herein.In the application Various embodiments are described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, often What a embodiment stressed is the difference from other embodiments.For hardware+program class embodiment, Since it is substantially similar to the method embodiment, so being described relatively simple, related place is said referring to the part of embodiment of the method It is bright.

This specification embodiment is not limited to meet industry communication standard, standard computer data processing sum number According to situation described in storage rule or this specification one or more embodiment.The right way of conduct is made in certain professional standards or use by oneself In formula or the practice processes of embodiment description embodiment modified slightly also may be implemented above-described embodiment it is identical, it is equivalent or The implementation result being anticipated that after close or deformation.Using these modifications or deformed data acquisition, storage, judgement, processing side The embodiment of the acquisitions such as formula still may belong within the scope of the optional embodiment of this specification embodiment.

In the 1990s, the improvement of a technology can be distinguished clearly be on hardware improvement (for example, Improvement to circuit structures such as diode, transistor, switches) or software on improvement (improvement for method flow).So And with the development of technology, the improvement of current many method flows can be considered as directly improving for hardware circuit. Designer nearly all obtains corresponding hardware circuit by the way that improved method flow to be programmed into hardware circuit.Cause This, it cannot be said that the improvement of a method flow cannot be realized with hardware entities module.For example, programmable logic device (Programmable Logic Device, PLD) (such as field programmable gate array (Field Programmable Gate Array, FPGA)) it is exactly such a integrated circuit, logic function determines device programming by user.By designer Voluntarily programming comes a digital display circuit " integrated " on a piece of PLD, designs and makes without asking chip maker Dedicated IC chip.Moreover, nowadays, substitution manually makes IC chip, this programming is also used instead mostly " is patrolled Volume compiler (logic compiler) " software realizes that software compiler used is similar when it writes with program development, And the source code before compiling also write by handy specific programming language, this is referred to as hardware description language (Hardware Description Language, HDL), and HDL is also not only a kind of, but there are many kind, such 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., VHDL (Very-High-Speed is most generally used at present Integrated Circuit Hardware Description Language) and Verilog.Those skilled in the art also answer This understands, it is only necessary to method flow slightly programming in logic and is programmed into integrated circuit with above-mentioned several hardware description languages, The hardware circuit for realizing the logical method process can be readily available.

Controller can be implemented in any suitable manner, for example, controller can take such as microprocessor or processing The computer for the computer readable program code (such as software or firmware) that device and storage can be executed by (micro-) processor can Read medium, logic gate, switch, specific integrated circuit (Application Specific Integrated Circuit, ASIC), the form of programmable logic controller (PLC) and insertion microcontroller, the example of controller includes but is not limited to following microcontroller Device: ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20 and Silicone Labs C8051F320 are deposited Memory controller is also implemented as a part of the control logic of memory.It is also known in the art that in addition to Pure computer readable program code mode is realized other than controller, can be made completely by the way that method and step is carried out programming in logic Controller is obtained to come in fact in the form of logic gate, switch, specific integrated circuit, programmable logic controller (PLC) and insertion microcontroller etc. Existing identical function.Therefore this controller is considered a kind of hardware component, and to including for realizing various in it The device of function can also be considered as the structure in hardware component.Or even, it can will be regarded for realizing the device of various functions For either the software module of implementation method can be the structure in hardware component again.

System, device, module or the unit that above-described embodiment illustrates can specifically realize by computer chip or entity, Or it is realized by the product with certain function.It is a kind of typically to realize that equipment is computer.Specifically, computer for example may be used Think personal computer, laptop computer, vehicle-mounted human-computer interaction device, cellular phone, camera phone, smart phone, individual Digital assistants, media player, navigation equipment, electronic mail equipment, game console, tablet computer, wearable device or The combination of any equipment in these equipment of person.

Although this specification one or more embodiment provides the method operating procedure as described in embodiment or flow chart, It but may include more or less operating procedure based on conventional or without creativeness means.The step of being enumerated in embodiment Sequence is only one of numerous step execution sequence mode, does not represent and unique executes sequence.Device in practice or When end product executes, can be executed according to embodiment or the execution of method shown in the drawings sequence or parallel (such as it is parallel The environment of processor or multiple threads, even distributed data processing environment).The terms "include", "comprise" or its Any other variant is intended to non-exclusive inclusion so that include the process, methods of a series of elements, product or Equipment not only includes those elements, but also including other elements that are not explicitly listed, or further include for this process, Method, product or the intrinsic element of equipment.In the absence of more restrictions, being not precluded is including the element There is also other identical or equivalent elements in process, method, product or equipment.The first, the second equal words are used to indicate name Claim, and does not indicate any particular order.

For convenience of description, it is divided into various modules when description apparatus above with function to describe respectively.Certainly, implementing this The function of each module can be realized in the same or multiple software and or hardware when specification one or more, it can also be with The module for realizing same function is realized by the combination of multiple submodule or subelement etc..Installation practice described above is only It is only illustrative, for example, in addition the division of the unit, only a kind of logical function partition can have in actual implementation Division mode, such as multiple units or components can be combined or can be integrated into another system or some features can be with Ignore, or does not execute.Another point, shown or discussed mutual coupling, direct-coupling or communication connection can be logical Some interfaces are crossed, the indirect coupling or communication connection of device or unit can be electrical property, mechanical or other forms.

The present invention be referring to according to the method for the embodiment of the present invention, the process of device (system) and computer program product Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.

These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.

In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net Network interface and memory.

Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/or The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium Example.

Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data. The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM), Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage, graphene stores or other Magnetic storage device or any other non-transmission medium, can be used for storage can be accessed by a computing device information.According to herein In define, computer-readable medium does not include temporary computer readable media (transitory media), such as the data of modulation Signal and carrier wave.

It will be understood by those skilled in the art that this specification one or more embodiment can provide as method, system or calculating Machine program product.Therefore, this specification one or more embodiment can be used complete hardware embodiment, complete software embodiment or The form of embodiment combining software and hardware aspects.Moreover, this specification one or more embodiment can be used at one or It is multiple wherein include computer usable program code computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) on the form of computer program product implemented.

This specification one or more embodiment can computer executable instructions it is general on It hereinafter describes, such as program module.Generally, program module includes executing particular task or realization particular abstract data type Routine, programs, objects, component, data structure etc..This this specification one can also be practiced in a distributed computing environment Or multiple embodiments, in these distributed computing environments, by being held by the connected remote processing devices of communication network Row task.In a distributed computing environment, program module can be located at the local and remote computer including storage equipment In storage medium.

All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method Part explanation.In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", The description of " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, structure, material Or feature is contained at least one embodiment or example of this specification.In the present specification, to the signal of above-mentioned term Property statement be necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples Sign is combined.

The foregoing is merely the embodiments of this specification one or more embodiment, are not limited to book explanation Book one or more embodiment.To those skilled in the art, this specification one or more embodiment can have various Change and variation.All any modification, equivalent replacement, improvement and so within the spirit and principles of the present application should all include Within scope of the claims.

Claims

1. a kind of acquisition methods for dividing orientation first arrival data volume, which is characterized in that the described method includes:

Obtain detection dot file and shot-file；

According to the shot-file, the initial angle and end angle in predefined point of orientation, constructs the corresponding shot point of the shot point and rise Beginning straight line and shot point terminate straight line；

According to the corresponding geophone station permutation index file of the shot point, obtain the corresponding effective detection dotted line of the shot point with it is described Shot point originates the starting intersection point of straight line and the termination intersection point of effective detection dotted line and shot point termination straight line, described to have Effect detection dotted line includes: the detection dotted line for receiving the seismic signal that the shot point generates；

According to the starting intersection point and the termination intersection point, obtain in effective detection dotted line in the initial angle and the end Only effective geophone station in angular region；

The corresponding first arrival data of effective geophone station are obtained, divide orientation first arrival data volume according to first arrival data building；

Wherein, described according to the shot-file, the initial angle and end angle in predefined point of orientation, it is corresponding to construct the shot point Shot point starting straight line and shot point terminate straight line, comprising:

Obtain the azimuth of three-dimensional survey line；

According to the azimuth, the initial angle and end angle are subjected to coordinate conversion, conversion initial angle is obtained and conversion terminates Angle；

The coordinate of the shot point is obtained according to the shot-file；

According to the coordinate of the shot point, the conversion initial angle, the conversion end angle, the shot point starting straight line and institute are constructed It states shot point and terminates straight line.

2. a kind of acquisition methods for dividing orientation first arrival data volume as described in claim 1, which is characterized in that described according to The initial angle and end angle are carried out coordinate conversion by azimuth, obtain conversion initial angle and conversion end angle, comprising:

According toThe initial angle and end angle are subjected to coordinate conversion, obtain the conversion initial angle and institute State conversion end angle；

In above formula, α₁Indicate that the conversion initial angle, θ indicate the azimuth, α indicates the initial angle, β₁Indicate the conversion End angle, β indicate the end angle.

3. a kind of acquisition methods for dividing orientation first arrival data volume as claimed in claim 2, which is characterized in that described according to The coordinate of shot point, the conversion initial angle, the conversion end angle construct the shot point starting straight line and the shot point terminates directly Line, comprising:

In above formula, Y_KIndicate the shot point starting straight line, α₁Indicate the conversion initial angle, X_KIndicate that eastern coordinate, K indicate shot point Number, 1≤K≤N, N indicate total shot point number, SY_KIndicate the northern coordinate of current shot point, SX_KIndicate the eastern coordinate of current shot point, Y '_K Indicate that the shot point terminates straight line, β₁Indicate the conversion end angle.

4. a kind of acquisition methods for dividing orientation first arrival data volume as described in any one of claims 1-3, which is characterized in that described According to the corresponding geophone station permutation index file of the shot point, the corresponding effective detection dotted line of the shot point and the shot point are obtained Originate the starting intersection point of straight line and the termination intersection point of effective detection dotted line and shot point termination straight line, comprising:

According to the corresponding detection dotted line linear equation of the effective detection dotted line, effective detection dotted line and the shot point are obtained Originate the starting intersection point of straight line and the termination intersection point of effective detection dotted line and shot point termination straight line.

5. a kind of acquisition methods for dividing orientation first arrival data volume as described in claim 1, which is characterized in that described according to Intersection point and the termination intersection point are originated, is obtained in effective detection dotted line in the initial angle and the termination angular region Effective geophone station, comprising:

According to the geophone station pile No. linear equation, obtains the corresponding starting intersection point pile No. of starting intersection point and the termination is handed over The corresponding termination intersection point pile No. of point；

According to the starting intersection point pile No. and intersection point pile No. is terminated, is obtained in effective detection dotted line in the initial angle and institute State the effective geophone station terminated in angular region.

6. a kind of acquisition methods for dividing orientation first arrival data volume as claimed in claim 5, which is characterized in that described according to It originates intersection point pile No. and terminates intersection point pile No., obtain in effective detection dotted line in the initial angle and the termination angular region Interior effective geophone station, comprising:

According to the corresponding geophone station permutation index file of the shot point, obtains the termination pile No. in effective detection dotted line and rise Beginning pile No., the pile No. that terminates includes that the last one in effective detection dotted line receives the seismic signal that the shot point generates The corresponding pile No. of geophone station, the starting pile No. include the ground that first reception shot point generates in effective detection dotted line Shake the corresponding pile No. of geophone station of signal；

According to the termination pile No., the starting pile No., the starting intersection point pile No., the termination intersection point pile No., described in acquisition In the initial angle and the geophone station pile No. range terminated in angular region in effective detection dotted line；

7. a kind of acquisition methods for dividing orientation first arrival data volume as claimed in claim 6, which is characterized in that described according to Pile No., the starting pile No., the starting intersection point pile No., the termination intersection point pile No. are terminated, effective detection dotted line is obtained In the initial angle and it is described terminate angular region in geophone station pile No. range, comprising:

If end angle≤180 ° described in initial angle < described in 0 ° of <, and the termination intersection point pile No. < starting intersection point pile No., then The geophone station pile No. range includes: the termination intersection point pile No. to the starting intersection point pile No.；

If end angle described in 180 ° of < of initial angle < described in 0 ° of <, and the termination intersection point pile No. < starting intersection point pile No., then The geophone station pile No. range includes: the termination pile No. to the termination intersection point pile No.；

If end angle described in 180 ° of < of initial angle < described in 0 ° of <, and the termination intersection point pile No. > starting intersection point pile No., then The geophone station pile No. range includes: the termination pile No. to the starting intersection point pile No.；

8. a kind of acquisition device for dividing orientation first arrival data volume characterized by comprising

Data acquisition module, for obtaining detection dot file and shot-file；

Index file constructs module, for constructing the corresponding detection of shot point according to the detection dot file and the shot-file Point permutation index file；

Shot point straight line constructs module, for the initial angle and end angle according to the shot-file, predefined point of orientation, building The corresponding shot point starting straight line of the shot point and shot point terminate straight line；

Intersection point obtains module, for it is corresponding to obtain the shot point according to the corresponding geophone station permutation index file of the shot point The starting intersection point and effective detection dotted line and the shot point of effective detection dotted line and shot point starting straight line terminate straight line Termination intersection point, effective detection dotted line includes: the detection dotted line for receiving the seismic signal that the shot point generates；

Effective geophone station obtains module, for obtaining effective geophone station according to the starting intersection point and the termination intersection point In the initial angle and the effective geophone station terminated in angular region in line；

First arrival data volume constructs module, for obtaining the corresponding first arrival data of effective geophone station, according to the first arrival data Building divides orientation first arrival data volume；

Wherein, the shot point straight line building module is specifically used for:

Obtain the azimuth of three-dimensional survey line；

The coordinate of the shot point is obtained according to the shot-file；

9. a kind of acquisition device for dividing orientation first arrival data volume as claimed in claim 8, which is characterized in that the shot point straight line Building module is specifically used for:

10. a kind of acquisition device for dividing orientation first arrival data volume as claimed in claim 9, which is characterized in that the shot point is straight Line building module is specifically used for:

11. such as a kind of described in any item acquisition device for dividing orientation first arrival data volume of claim 8-10, which is characterized in that institute Intersection point acquisition module is stated to be specifically used for:

12. a kind of acquisition device for dividing orientation first arrival data volume as claimed in claim 8, which is characterized in that effective inspection Wave point obtains module and is specifically used for:

13. a kind of acquisition device for dividing orientation first arrival data volume as claimed in claim 12, which is characterized in that effective inspection Wave point obtains module and is specifically used for:

14. a kind of acquisition device for dividing orientation first arrival data volume as claimed in claim 13, which is characterized in that effective inspection Wave point obtains module and is specifically used for:

If end angle≤180 ° described in initial angle < described in 0 ° of < are known in judgement, and the termination intersection point pile No. < starting is handed over Point pile No., it is determined that the geophone station pile No. range includes: the termination intersection point pile No. to the starting intersection point pile No.；

If end angle described in 180 ° of < of initial angle < described in 0 ° of < is known in judgement, and the termination intersection point pile No. < starting is handed over Point pile No., it is determined that the geophone station pile No. range includes: the termination pile No. to the termination intersection point pile No.；

If end angle described in 180 ° of < of initial angle < described in 0 ° of < is known in judgement, and the termination intersection point pile No. > starting is handed over Point pile No., it is determined that the geophone station pile No. range includes: the termination pile No. to the starting intersection point pile No.；

If end angle≤360 ° described in initial angle < described in 180 ° of <, and the termination intersection point pile No. > starting are known in judgement Intersection point pile No., it is determined that the geophone station pile No. range includes: the starting intersection point pile No. to the termination intersection point pile No..

15. a kind of acquisition device for dividing orientation first arrival data volume, which is characterized in that including processor and be used for storage processor The memory of executable instruction, the processor realize the side as described in any one of claim 1 to 7 when executing described instruction The step of method.