CN104656134A - Method and system for dynamically correlating initial read time of seismic waves and time curve - Google Patents
Method and system for dynamically correlating initial read time of seismic waves and time curve Download PDFInfo
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- CN104656134A CN104656134A CN201510106740.8A CN201510106740A CN104656134A CN 104656134 A CN104656134 A CN 104656134A CN 201510106740 A CN201510106740 A CN 201510106740A CN 104656134 A CN104656134 A CN 104656134A
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Abstract
The invention discloses a method and a system for dynamically correlating initial read time of seismic waves and a time curve. The method comprises the following steps: S1, picking the initial read time of seismic waves, namely identifying and picking the initial read time of seismic waves in seismic waveform data, thereby obtaining the initial read time data of seismic waves; S2, establishing a parameter file, namely establishing an interpretation parameter file needed by analysis and calculation; S3, drawing a time curve, namely drawing the time curve according to the interpretation parameter file established in the step S2; and S4, performing dynamic data correlation analysis, and establishing dynamic association between the initial read time data of seismic waves acquired in the S1 and the time curve drawn in the S3, namely selecting data points on the time curve, opening the seismic data file in which the data points are positioned, modifying the initial read time of seismic waves, and timely updating the time curve. The method is applied to the seismic analysis process, and the data analysis efficiency is effectively improved.
Description
Technical field
The invention belongs to engineering geophysics field, relate to engineering geophysics shallow seismic exploration (test) data analysis field, particularly relate to when a kind of seismic first breaks is read and method that T-X curve dynamically associates.Be mainly used in hydroelectric project, hydraulic engineering, highway, the exploration in railway and industry and the field such as covil construction, prospecting and test.
Background technology
Shallow seismic exploration comprises seismic refraction method and earthquake reflection method, is the conventional method of engineering geophysics, is that cover thickness detects one of effective physical prospecting means, is widely used, and has economical and efficient and the high feature of precision; Seismic wave test comprises bore hole seismic and indulges transverse wave testing, adit seismic wave test etc., is one of rock-soil dynamics parameter testing important means, is widely used in all kinds of engineering.
The data acquisition modes of shallow seismic exploration and seismic wave test is versatile and flexible, and data analysing method is numerous, process is complicated, by force empirical, and the critical process of data analysis comprises when pickup seismic first breaks is read and draws T-X curve.In data analysis process, carry out inspection amendment when needing repeatedly to read seismic first breaks, then repaint T-X curve.In traditional shallow seismic exploration (test) data analysing method, setting up data and drafting T-X curve when seismic first breaks is read is two independently processes, whenever will revising T-X curve, data file when must first read according to corresponding seismic waveform data amendment first arrival, then redraw T-X curve, so repeatedly alternately must have a strong impact on the work efficiency of data analysis.
Summary of the invention
When the object of the present invention is to provide a kind of seismic first breaks to read and the method that dynamically associates of T-X curve, make to set up dynamic movement between amendment when seismic first breaks is read in T-X curve renewal (redrawing) and geological data, significantly improve the work efficiency of data analysis, thus solve the foregoing problems existed in prior art.
To achieve these goals, the technical solution used in the present invention is as follows:
When seismic first breaks is read and the method that dynamically associates of T-X curve, comprise the following steps:
S1, when pickup seismic first breaks is read, is specially, and when identification in seismic waveform data, pickup seismic first breaks are read, obtains data when seismic first breaks is read;
S2, sets up Parameter File, is specially, and sets up the decipher Parameter File needed for analytical calculation;
S3, draws T-X curve, is specially, and draws T-X curve according to the decipher Parameter File set up in S2;
S4, Data Dynamic association analysis, sets up dynamic movement between the T-X curve that data and S3 draw when the seismic first breaks that S1 obtains is read; Be specially: select the data point on T-X curve, open the seismic data file at this data point place, after when amendment seismic first breaks is read, upgrade in time T-X curve.
Preferably, S1 is specially, first the geological data of seismic instrument record is converted to the specific RPS formatted data of physical prospecting test data overall analysis system, then editor comprises survey line number, shot point pile No., receives the associated documents header of pile No., correlativity according to adjacent recording channel seismic first breaks identifies, when pickup seismic first breaks is read.
Preferably, S2 is specially, and according to recording geometry designed during data acquisition, selects corresponding seismic data file, sets up Parameter File.
Preferably, S3 is specially, select suitable drawing ratio in length and breadth, when reading according to the seismic first breaks in the determined seismic data file of Parameter File, with little pile No. limit shot point be true origin, be horizontal ordinate to receive pile No., read with earthquake refraction wave first arrival time draw T-X curve for ordinate.
Preferably, S4 is specially, and sets up dynamic movement between the amendment when T-X curve upgrades and in geological data, seismic first breaks is read; That is, after T-X curve being selected a certain coordinate points (T, X), search the seismic data file at this coordinate points place and open, switching to interface when seismic first breaks is read, and track and localization is to corresponding seismic data traces; After when the seismic first breaks revising corresponding road is read, close interface when seismic first breaks is read, return to T-X curve interface, and redraw T-X curve by amended coordinate points (T, X) data; So repeatedly, until obtain the satisfied T-X curve for analytical calculation.
When seismic first breaks is read and the system that dynamically associates of T-X curve, comprising:
Pickup model when seismic first breaks is read, during for identifying in seismic waveform data, picking up that seismic first breaks is read, obtains data when seismic first breaks is read;
Parameter File sets up module, for setting up the decipher Parameter File needed for analytical calculation;
T-X curve drafting module, for drawing T-X curve according to set up decipher Parameter File;
Data Dynamic association analysis module, sets up dynamic movement between data and the T-X curve of drafting during for reading at the seismic first breaks obtained; Specifically for, select the data point on T-X curve, open the seismic data file at this data point place, after when amendment seismic first breaks is read, upgrade in time T-X curve.
The invention has the beneficial effects as follows:
The present invention is applied to seismic refraction data analysis, earthquake reflective data analysis, the data analysis of adit seismic wave test, bore hole seismic in length and breadth in the analytic process such as ripple test data analysis, effectively improves data analysis efficiency.
Accompanying drawing explanation
Fig. 1 is steps flow chart schematic diagram of the present invention;
Fig. 2 is the interface schematic diagram picked up in the embodiment of the present invention when seismic first breaks is read;
Fig. 3 is the interface schematic diagram setting up Parameter File in the embodiment of the present invention;
Fig. 4 is the T-X curve figure drawn in the embodiment of the present invention;
Fig. 5 is interface schematic diagram when checking in the embodiment of the present invention that seismic first breaks is read.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.Should be appreciated that embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the invention discloses when a kind of seismic first breaks is read and method and system that T-X curve dynamically associates, the method comprises the following steps:
1, when pickup seismic first breaks is read, during for identifying in geological data (waveform), picking up that seismic first breaks is read;
2, Parameter File is set up, for setting up the decipher Parameter File needed for analytical calculation;
3, T-X curve is drawn, for drawing T-X curve according to set up decipher Parameter File;
4, Data Dynamic association analysis, for setting up dynamic movement when seismic first breaks is read between data and T-X curve: select the data point on T-X curve, open the seismic data file at data point place, after when amendment seismic first breaks is read, upgrade in time (redrawing) T-X curve.
When pickup seismic first breaks is read, first the geological data of seismic instrument record is converted to the specific RPS formatted data of physical prospecting test data overall analysis system, then edit survey line number, shot point pile No., receive the File header information such as pile No., correlativity according to adjacent recording channel seismic first breaks identifies, when pickup seismic first breaks is read.
Set up Parameter File, according to recording geometry designed during data acquisition, select corresponding seismic data file, set up Parameter File.
Draw T-X curve, select suitable drawing ratio in length and breadth, when reading according to the seismic first breaks in the determined seismic data file of Parameter File, with little pile No. limit shot point be true origin, be horizontal ordinate to receive pile No., read with earthquake refraction wave first arrival time draw T-X curve (time and distance relation curve) for ordinate.
Data Dynamic association analysis, namely set up dynamic movement between the amendment when T-X curve upgrades that in (redrawing) and geological data, seismic first breaks is read: time curve on select a certain coordinate points (T, X) after, search the seismic data file at this coordinate points place and open, switch to window when seismic first breaks is read, and track and localization is to corresponding seismic data traces; After when the seismic first breaks revising corresponding road is read, close window when seismic first breaks is read, return T-X curve window, and redraw T-X curve by amended (T, X) data.So repeatedly, until obtain the satisfied T-X curve for analytical calculation.
Seismic refraction data analysis during method of the present invention is applied to " physical prospecting test data overall analysis system ", earthquake reflective data analysis, the data analysis of adit seismic wave test, bore hole seismic, in length and breadth in the process such as ripple test data analysis, effectively improve data analysis efficiency.
Composition graphs 1 is described in detail to technical solution of the present invention by specific embodiment, as follows:
The present embodiment is the application of technical solution of the present invention in some hydropower station pre feasibility study stage cover thickness detection W10 section 0-100 pile No. section shallow seismic refraction data analysis process.
The present embodiment comprises: when pickup seismic first breaks is read, set up Parameter File, drafting T-X curve, Data Dynamic association analysis, four step process.
1, when pickup seismic first breaks is read:
The present embodiment the geological data of seismic instrument record is converted to the specific RPS formatted data of physical prospecting test data overall analysis system, then edit survey line number, shot point pile No., receive the File header information such as pile No., by comparison of wave shape and correlation analysis, when pickup seismic refraction seismic first breaks is read, shown in accompanying drawing 2.
2, Parameter File is set up:
The present embodiment data acquisition adopts dual meeting to chase (four curves) recording geometry, select little pile No. limit big gun data file (1455.RPS) respectively, little pile No. chases big gun data file (1459.RPS), pile No. limit big gun data file (1451.RPS), large pile No. are chased big gun data file (1454.RPS) and set up Parameter File greatly, each path, data file place is all hiding, shown in accompanying drawing 3.
3, T-X curve is drawn:
The present embodiment adopts vertical-horizontal proportion to be 1:1000 to draw T-X curve, namely with little pile No. limit shot point be true origin, be horizontal ordinate to receive pile No., read with earthquake refraction wave first arrival time draw time and the distance relation curve of four data files, see accompanying drawing 4 for ordinate.
4, Data Dynamic association analysis:
The present embodiment operating process is: select to need to check Update Table point (coordinate points as chosen in accompanying drawing 4) on T-X curve figure; Open the seismic data file wanting Update Table point place, and track and localization to choose the Seismic Traces at data point place; Check seismic first breaks read time interface in revise earthquake refraction wave seismic first breaks read time; Return T-X curve figure, and repaint T-X curve.This process repeatedly hockets and namely obtains accurately for the T-X curve figure of data analysis.
By adopting technique scheme disclosed by the invention, obtain effect useful as follows:
The present invention is applied to seismic refraction data analysis, earthquake reflective data analysis, the data analysis of adit seismic wave test, bore hole seismic in length and breadth in the analytic process such as ripple test data analysis, effectively improves data analysis efficiency.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (6)
1. when seismic first breaks is read and the method that dynamically associates of T-X curve, it is characterized in that, comprise the following steps:
S1, when pickup seismic first breaks is read, is specially, and when identification in seismic waveform data, pickup seismic first breaks are read, obtains data when seismic first breaks is read;
S2, sets up Parameter File, is specially, and sets up the decipher Parameter File needed for analytical calculation;
S3, draws T-X curve, is specially, and draws T-X curve according to the decipher Parameter File set up in S2;
S4, Data Dynamic association analysis, sets up dynamic movement between the T-X curve that data and S3 draw when the seismic first breaks that S1 obtains is read; Be specially: select the data point on T-X curve, open the seismic data file at this data point place, after when amendment seismic first breaks is read, upgrade in time T-X curve.
2. when seismic first breaks according to claim 1 is read and the method that dynamically associates of T-X curve, it is characterized in that, S1 is specially, first the geological data of seismic instrument record is converted to the specific RPS formatted data of physical prospecting test data overall analysis system, then editor comprises survey line number, shot point pile No., receives the associated documents header of pile No., correlativity according to adjacent recording channel seismic first breaks identifies, when pickup seismic first breaks is read.
3. when seismic first breaks according to claim 1 is read and the method that dynamically associates of T-X curve, it is characterized in that, S2 is specially, and according to recording geometry designed during data acquisition, selects corresponding seismic data file, sets up Parameter File.
4. when seismic first breaks according to claim 1 is read and the method that dynamically associates of T-X curve, it is characterized in that, S3 is specially, select suitable drawing ratio in length and breadth, when reading according to the seismic first breaks in the determined seismic data file of Parameter File, with little pile No. limit shot point be true origin, be horizontal ordinate to receive pile No., read with earthquake refraction wave first arrival time draw T-X curve for ordinate.
5. when seismic first breaks according to claim 1 is read and the method that dynamically associates of T-X curve, it is characterized in that, S4 is specially, and sets up dynamic movement between the amendment when T-X curve upgrades and in geological data, seismic first breaks is read; That is, after T-X curve being selected a certain coordinate points (T, X), search the seismic data file at this coordinate points place and open, switching to interface when seismic first breaks is read, and track and localization is to corresponding seismic data traces; After when the seismic first breaks revising corresponding road is read, close interface when seismic first breaks is read, return to T-X curve interface, and redraw T-X curve by amended coordinate points (T, X) data; So repeatedly, until obtain the satisfied T-X curve for analytical calculation.
6. when seismic first breaks is read and the system that dynamically associates of T-X curve, it is characterized in that, comprising:
Pickup model when seismic first breaks is read, during for identifying in seismic waveform data, picking up that seismic first breaks is read, obtains data when seismic first breaks is read;
Parameter File sets up module, for setting up the decipher Parameter File needed for analytical calculation;
T-X curve drafting module, for drawing T-X curve according to set up decipher Parameter File;
Data Dynamic association analysis module, sets up dynamic movement between data and the T-X curve of drafting during for reading at the seismic first breaks obtained; Specifically for, select the data point on T-X curve, open the seismic data file at this data point place, after when amendment seismic first breaks is read, upgrade in time T-X curve.
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Cited By (1)
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Application publication date: 20150527 |