CN109143330A - A kind of optimization controlled source obtains the method and system of single-shot quality - Google Patents
A kind of optimization controlled source obtains the method and system of single-shot quality Download PDFInfo
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- CN109143330A CN109143330A CN201710501306.9A CN201710501306A CN109143330A CN 109143330 A CN109143330 A CN 109143330A CN 201710501306 A CN201710501306 A CN 201710501306A CN 109143330 A CN109143330 A CN 109143330A
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Abstract
The invention proposes a kind of optimization controlled sources to obtain the method and system of single-shot quality, this method comprises: determining the type for the reference signal that controlled source obtains in acquisition；Determine the signal type of female record of acquisition；The signal type of female record and the type of reference signal are compared, reference signal is handled；By corresponding female record acquisition single shot record related to treated reference signal progress.Preferably, the single shot record that the single shot record is obtained with conventional method is compared, the good single shot record of mass effect is applied in section processing.The controlled source single-shot signal-to-noise ratio obtained using the method for the present invention is high, earthquake information is more clear, the especially controlled source single-shot in the low signal-to-noise ratios such as mountain front region, the quality of mountain front controlled source single-shot can be greatly improved by this method, can effectively improve the target imaging precision and signal-to-noise ratio in the low signal-to-noise ratios such as mountain front region.
Description
Technical field
The present invention relates to oil gas field of geophysical exploration, obtain single-shot more particularly, to a kind of optimization controlled source
The method and system of quality.
Background technique
Controlled source is the very important earthquake stimulation mode of current western exploration, is limited to conventional explosives focus public
The problem of safe and environment-friendly, cost etc., controlled source excitation technique are increasingly taken seriously, in western mountain front, gobi gravel
Stone area, desert area are widely used controlled source and construct.
Controlled source obtain single-shot process be in field acquisition, controlled source using the reference signal that is pre-designed into
Row scanning generate seismic wave, instrument start recording mother record, when female record end after by mother record and reference signal directly into
Row is related to obtain single shot record.This is currently widely used mode, but has some industries to ignore, and should be theoretically
The signal of two kinds of same physical amounts, which carries out correlation, just physical significance, and if participating in the physical quantity of relevant two signals not
Together, then what is related its representative of the signal come out? by ours the study found that general current field is largely adopted
It is received with velocity profile wave detector, then female record nature is exactly the velocity information of particle vibration, and reference signal is usually
Acceleration information, then the different related single-shots come out of the physical quantity of both signals, are speed or acceleration on earth? it is difficult to
It demonstrates.
Summary of the invention
Present invention aim to address two kinds of relative earthquake data physical quantitys during conventional controlled source acquisition single-shot not
Same problem improves the signal-to-noise ratio and resolution ratio of the low signal-to-noise ratios area controlled source seismic datas such as mountain front.
Thus the invention proposes a kind of method that optimization controlled source obtains single-shot quality, solves the above technology and ask
Topic, the controlled source single-shot signal-to-noise ratio and resolution capability obtained using this method obtain larger raising, are especially suitable for western part in front of the mountains
The controlled source earthquake-capturing of band.
According to an aspect of the present invention, a kind of method that optimization controlled source obtains single-shot quality, this method packet are provided
It includes:
Determine the type for the reference signal that controlled source obtains in acquisition；
Determine the signal type of female record of acquisition；
The signal type of female record and the type of reference signal are compared, reference signal is handled；
By corresponding female record acquisition single shot record related to treated reference signal progress.
Preferably, this method further comprises: the single shot record that the single shot record and conventional method obtain is carried out pair
Than the good single shot record of mass effect is applied in section processing.
Further, the phase of the force signal information and reference signal information that are obtained in acquisition by analysis controlled source
Difference determines that reference signal is speed signal or acceleration signal.
Further, if reference signal and force signal are same phases, difference of the two on waveform is that harmonic wave is dry
It disturbs, then reference signal and force signal are all acceleration signal.
Further, according to used wave detector type is acquired, judge the signal type of female record.
Further, speed signal is recorded as by the mother that velocity profile wave detector obtains, is obtained by acceleration type wave detector
The mother obtained is recorded as acceleration signal.
Further, if mother is recorded as speed signal, reference signal is acceleration signal, then quadratures to reference signal
Be converted to speed domain.
Further, if female record is identical as the type of reference signal, processing reference signal is not needed.
According to another aspect of the present invention, a kind of system that optimization controlled source obtains single-shot quality, the system packet are provided
It includes:
Memory is stored with computer executable instructions；
Processor, the processor run the computer executable instructions in the memory, execute following steps:
Determine the type for the reference signal that controlled source obtains in acquisition；
Determine the signal type of female record of acquisition；
The signal type of female record and the type of reference signal are compared, reference signal is handled；
By corresponding female record acquisition single shot record related to treated reference signal progress.
Preferably, further comprise: the single shot record that the single shot record is obtained with conventional method is compared, by matter
The good single shot record of dose-effect fruit is applied in section processing.
The method that optimization controlled source of the invention obtains single-shot quality is with strong points, is obtaining single-shot for controlled source
Some processing problem in the process carries out analysis answer, and the problem exactly ignored by current industry, i.e. controlled source
Two kinds of signals (mother's record is usually speed, and reference signal is acceleration) that different physical quantities are used in obtaining single-shot carry out
Its related physical significance is difficult to demonstrate.
From data effect analysis, the controlled source single-shot signal-to-noise ratio obtained using this method is high, and earthquake information is more clear,
The especially controlled source single-shot in the low signal-to-noise ratios such as mountain front region can greatly improve mountain front controlled source by this method
The quality of single-shot can effectively improve the target imaging precision and signal-to-noise ratio in the low signal-to-noise ratios such as mountain front region.
Detailed description of the invention
Disclosure illustrative embodiments are described in more detail in conjunction with the accompanying drawings, the disclosure above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein in disclosure illustrative embodiments, identical reference label
Typically represent same parts.
Fig. 1 shows the method and technology flow chart of the embodiment of the present invention.
Fig. 2 shows the single-shot effect contrast figures that two kinds of distinct methods obtain.
Specific embodiment
The preferred embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the disclosure without the embodiment party that should be illustrated here
Formula is limited.On the contrary, these embodiments are provided so that this disclosure will be more thorough and complete, and can be by the disclosure
Range is completely communicated to those skilled in the art.
The present invention provides a kind of methods that optimization controlled source obtains single-shot quality, this method comprises:
Determine the type for the reference signal that controlled source obtains in acquisition；
Determine the signal type of female record of acquisition；
The signal type of female record and the type of reference signal are compared, reference signal is handled；
By corresponding female record acquisition single shot record related to treated reference signal progress.
Preferably, this method further comprises: the single shot record that the single shot record and conventional method obtain is carried out pair
Than the good single shot record of mass effect is applied in section processing.
Specifically, force signal information and reference signal information that comparative analysis controlled source obtains in acquisition, analysis two
The phase difference of person, in general reference signal and force signal are same phases, and difference of the two on waveform is only power letter
More harmonic wave interferences in number, that is to say, that reference signal is equally acceleration signal with force signal.
It is next determined that female record of acquisition is speed signal or acceleration signal.It generally requires and knows field acquisition
Which kind of used wave detector, the type of wave detector are divided into acceleration type and two kinds of velocity profile, are carried out using velocity profile wave detector
Acquisition is exactly the velocity component of record vibration particle, and obtaining female record is exactly speed signal, if using acceleration type wave detector
Being acquired is exactly the component of acceleration for recording vibration particle, and obtaining female record is exactly acceleration signal.
To be acceleration signal or speed signal reasonably handled reference signal by judging mother bottom to be recorded,
If mother's record is speed signal, quadratures to reference signal and be converted to speed domain, if female record is acceleration signal,
Reference signal does not need to change.
By being analyzed above as a result, corresponding mother is recorded acquisition single shot record related to reference signal progress, velocity profile
Mother's record acquisition single-shot related with the signal that obtains after reference signal integral, acceleration type mother records directly related with reference signal
Obtain single shot record.
It is compared using the single shot record that the single shot record that the method for the present invention obtains is obtained with conventional method, confirms this hair
The mass effect for the single shot record that bright method obtains is more preferable, and the single shot record that the method for the present invention is obtained is applied to section processing
In.
A concrete application example is given below in the scheme and its effect of the embodiment of the present invention for ease of understanding.This field
It should be understood to the one skilled in the art that the example is only for the purposes of understanding the present invention, any detail is not intended to be limited in any way
The system present invention.
To enable objects, features and advantages of the present invention to be clearer and more comprehensible, hereafter cooperate institute's accompanying drawings, elaborate as
Under:
As shown in FIG. 1, FIG. 1 is the flow charts that the optimization controlled source of the embodiment of the present invention obtains the method for single-shot quality.
In step 101, it is necessary first to which determining reference signal on earth is acceleration information or velocity information, by grinding in the past
Studying carefully discovery reference signal is usually acceleration information.It needs to put together two kinds of scanning signals of reference signal and force signal, it is right
Than the two phase, the phase difference of the two is analyzed, in general reference signal and force signal is same phase, and the two is on waveform
Difference be only more harmonic wave interferences in force signal, that is to say, that reference signal is equally acceleration signal with force signal, is
It lays the foundation in next step.Process enters step 102.
In step 102, after the physical quantity type of reference signal has been determined, it is also necessary to determine the recorded earthquake of female record
Data is acceleration information or velocity information on earth.Generally require which kind of wave detector used by knowing field acquisition, detection
The type of device is divided into acceleration type and two kinds of velocity profile, and being acquired using velocity profile wave detector is exactly the speed for recording vibration particle
Component is spent, obtaining female record is exactly speed signal, if being acquired using acceleration type wave detector is exactly record vibration particle
Component of acceleration, obtaining female record is exactly acceleration signal.Enter step 103.
Reference signal is targetedly adjusted according to the physical quantity type of mother's record in step 103.Pass through the female record of judgement
It is acceleration signal or speed signal on earth reasonably to handle reference signal, if female record is speed signal,
It then quadratures to reference signal and is converted to speed domain, if female record is acceleration signal, reference signal does not need to change.Stream
Journey enters step 104.
In step 104, by analyzing and handling above, the female record and reference signal of corresponding same physical amount are carried out
Correlation obtains single shot record.Velocity profile mother record acquisition single shot record related with the signal that obtains after reference signal integral, acceleration
Degree type mother records acquisition single shot record directly related with reference signal.Process enters step 105.
In step 105, compared using the single shot record that the single shot record that this method obtains is obtained with conventional method, really
Recognize the mass effect of the single shot record of the method for the present invention acquisition, the single shot record that inventive method is obtained is applied to section processing
In.Process terminates.
The method that the optimization controlled source obtains single-shot quality is with strong points, for controlled source during obtaining single-shot
Some processing problem carry out analysis answer, which is that current industry is ignored, i.e., controlled source obtain single-shot in
Related its physics meaning is carried out using two kinds of signals (mother's record is usually speed, and reference signal is acceleration) of different physical quantities
Justice is difficult to demonstrate.
As shown in Fig. 2 comparison, from data effect analysis, the controlled source single-shot signal-to-noise ratio obtained using this method is high, ground
Shake information is more clear, especially the controlled source single-shot in the low signal-to-noise ratios such as mountain front region, can be mentioned significantly by this method
The quality of high mountain front controlled source single-shot can effectively improve the target imaging precision and letter in the low signal-to-noise ratios such as mountain front region
It makes an uproar ratio.
The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport
In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or lead this technology
Other those of ordinary skill in domain can understand each embodiment disclosed herein.
Claims (10)
1. a kind of method that optimization controlled source obtains single-shot quality, which is characterized in that this method comprises:
Determine the type for the reference signal that controlled source obtains in acquisition；
Determine the signal type of female record of acquisition；
The signal type of female record and the type of reference signal are compared, reference signal is handled；
By corresponding female record acquisition single shot record related to treated reference signal progress.
2. the method that optimization controlled source according to claim 1 obtains single-shot quality, which is characterized in that further packet
It includes: the single shot record that the single shot record is obtained with conventional method is compared, by the good single shot record application of mass effect
In section processing.
3. the method that optimization controlled source according to claim 1 obtains single-shot quality, which is characterized in that can by analysis
The phase difference of force signal information and reference signal information that control focus obtains in acquisition, determines that reference signal is speed signal
Or acceleration signal.
4. the method that optimization controlled source according to claim 3 obtains single-shot quality, which is characterized in that if with reference to letter
Number and force signal be same phase, difference of the two on waveform is harmonic wave interference, then reference signal and force signal be all plus
Speed signal.
5. the method that optimization controlled source according to claim 1 obtains single-shot quality, which is characterized in that according to acquisition institute
The wave detector type of use judges the signal type of female record.
6. the method that optimization controlled source according to claim 5 obtains single-shot quality, which is characterized in that pass through velocity profile
The mother that wave detector obtains is recorded as speed signal, is recorded as acceleration signal by the mother that acceleration type wave detector obtains.
7. the method that optimization controlled source according to claim 1 obtains single-shot quality, which is characterized in that if female record
For speed signal, reference signal is acceleration signal, then quadratures to reference signal and be converted to speed domain.
8. the method that optimization controlled source according to claim 1 obtains single-shot quality, which is characterized in that if female record
It is identical as the type of reference signal, then do not need processing reference signal.
9. a kind of system that optimization controlled source obtains single-shot quality, which is characterized in that the system includes:
Memory is stored with computer executable instructions；
Processor, the processor run the computer executable instructions in the memory, execute following steps:
Determine the type for the reference signal that controlled source obtains in acquisition；
Determine the signal type of female record of acquisition；
The signal type of female record and the type of reference signal are compared, reference signal is handled；
By corresponding female record acquisition single shot record related to treated reference signal progress.
10. the system that optimization controlled source according to claim 9 obtains single-shot quality, which is characterized in that further packet
It includes: the single shot record that the single shot record is obtained with conventional method is compared, by the good single shot record application of mass effect
In section processing.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255681A (en) * | 2020-10-26 | 2021-01-22 | 中国石油天然气集团有限公司 | Vibroseis frequency reduction scanning data processing method and device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1029833A (en) * | 1961-05-08 | 1966-05-18 | Seismograph Service England | Method and means for the correlation for two variables |
| CN1496485A (en) * | 2000-02-15 | 2004-05-12 | ʩ³����ع�����˾ | Processing of simultaneous vibratory seismic data |
| CN102338888A (en) * | 2010-07-14 | 2012-02-01 | 中国石油天然气集团公司 | Vibroseis data correlation method capable of improving seismic resolution |
| CN105204068A (en) * | 2014-06-26 | 2015-12-30 | 中石化石油工程地球物理有限公司胜利分公司 | Actual data spectrum characteristic-based nonlinear scanning signal design method |
| CN105277983A (en) * | 2014-06-26 | 2016-01-27 | 中石化石油工程地球物理有限公司胜利分公司 | Novel method for suppressing vibroseis slide scanning harmonic interference |
| CN105301634A (en) * | 2014-06-26 | 2016-02-03 | 中石化石油工程地球物理有限公司胜利分公司 | Method for increasing correlation quality of controlled seismic source single shot by utilizing record of detector near to seismic source |
| CN106094024A (en) * | 2016-06-21 | 2016-11-09 | 中国石油天然气集团公司 | A kind of controlled source slip scan data acquisition treatment method and device |
-
2017
- 2017-06-27 CN CN201710501306.9A patent/CN109143330B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1029833A (en) * | 1961-05-08 | 1966-05-18 | Seismograph Service England | Method and means for the correlation for two variables |
| CN1496485A (en) * | 2000-02-15 | 2004-05-12 | ʩ³����ع�����˾ | Processing of simultaneous vibratory seismic data |
| CN102338888A (en) * | 2010-07-14 | 2012-02-01 | 中国石油天然气集团公司 | Vibroseis data correlation method capable of improving seismic resolution |
| CN105204068A (en) * | 2014-06-26 | 2015-12-30 | 中石化石油工程地球物理有限公司胜利分公司 | Actual data spectrum characteristic-based nonlinear scanning signal design method |
| CN105277983A (en) * | 2014-06-26 | 2016-01-27 | 中石化石油工程地球物理有限公司胜利分公司 | Novel method for suppressing vibroseis slide scanning harmonic interference |
| CN105301634A (en) * | 2014-06-26 | 2016-02-03 | 中石化石油工程地球物理有限公司胜利分公司 | Method for increasing correlation quality of controlled seismic source single shot by utilizing record of detector near to seismic source |
| CN106094024A (en) * | 2016-06-21 | 2016-11-09 | 中国石油天然气集团公司 | A kind of controlled source slip scan data acquisition treatment method and device |
Non-Patent Citations (4)
| Title |
|---|
| 刘金中: "可控震源极性测试", 《物探装备》 * |
| 季玉新 等: "关于多波多分量地震资料极性问题的讨论", 《石油物探》 * |
| 尚新民: "地震资料相位差异分析方法与应用", 《物探与化探》 * |
| 魏继东: "从一个野外试验看不同检波器的差异—以DSU3与20dx为例", 《地球物理学进展》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255681A (en) * | 2020-10-26 | 2021-01-22 | 中国石油天然气集团有限公司 | Vibroseis frequency reduction scanning data processing method and device |
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