CN103439738B - Seismic prospecting single shot record exception road recognition methods - Google Patents
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Abstract
Disclose a kind of seismic prospecting single shot record exception road recognition methods.Described method includes: receiving geological data and the positional information of each seismic channel of the multiple seismic channels produced by single-shot, the geological data of each of which seismic channel is by the seismic amplitude of predetermined sampling frequency；Calculate the energy value of each seismic channel；Determine the not working path in the plurality of seismic channel；Determine the abnormal big seismic channel of the energy in the seismic channel in addition to described not working path in the plurality of seismic channel；For each seismic channel in the seismic channel in addition to described not working path and the abnormal big seismic channel of described energy in the plurality of seismic channel, determine energy scale value and determine whether seismic channel is the abnormal road of son based on energy scale value；Export not working path and sub-exception road as final abnormal road.
Description
Technical field
The present invention relates to oil seismic exploration and gather field, more particularly, relate to seismic recognition earthquake and survey
The method visiting single shot record exception road.
Background technology
Along with the development of geophysical prospecting technology, when earthquake data acquisition has been enter into high accuracy, high density, high efficiency
Phase, reception number of channels is many, job scheduling fast, and geological data amount presents exponential increase year by year, and three-dimensional is daily adopted
Collection workload has reached more than 1000 big guns, and two dimension reaches more than 240 big guns.Road working condition is single big gun product
The key factor of matter, therefore in traditional artificial evaluation methodology, the judgement to abnormal road is extremely important,
The most time-consumingly, 240 records are arranged preliminary assessment from playback and reexamine supervision evaluation altogether
Time-consuming 20 hours.Due to time-consuming long, efficiency is low, causes before second day gathers, it is impossible to the previous day
The data gathered comprehensively is analyzed, it is difficult to meet the needs monitoring in real time and instructing field to produce.In order to
Improve production efficiency, improve the accuracy that single shot record is evaluated, it is necessary to research and development single shot record exception road is certainly
Dynamic identification technology.
Summary of the invention
In view of demand present in prior art, this application provides high efficiency and identify that earthquake is surveyed exactly
The method visiting single shot record exception road.
In order to solve the above-mentioned problems in the prior art, the invention provides a kind of seismic prospecting list big gun
The recognition methods of recording exceptional road, comprises the steps: to receive the multiple earthquakes produced by single-shot
The geological data in road and the positional information of each seismic channel, the geological data of each of which seismic channel
For the seismic amplitude by pre-fixed sample interval；Calculate the energy value of each seismic channel；Determine the plurality of
Not working path in seismic channel；Determine the earthquake in addition to described not working path in the plurality of seismic channel
The abnormal big seismic channel of energy in road；For in the plurality of seismic channel in addition to described not working path
Seismic channel in each seismic channel, determine energy scale value and determine seismic channel based on energy scale value
Whether it is the abnormal road of son；Export not working path and sub-exception road as final abnormal road.
Preferably, the step of the energy value calculating each seismic channel includes: the seismic amplitude to seismic channel
The RMS amplitude that carries out calculate the energy value of seismic channel.
Preferably, determine that the step of the not working path in the plurality of seismic channel includes: be 0 by energy value
And the seismic channel do not lost in actual production is defined as not working path.
Preferably, the energy in the seismic channel in addition to described not working path in the plurality of seismic channel is determined
The step of amount the biggest abnormal seismic channel includes: when in the plurality of seismic channel in addition to described not working path
Seismic channel in the energy value of each seismic channel more than at least in the energy value of neighbouring seismic channel
During individual energy value prearranged multiple, this seismic channel is defined as the abnormal big seismic channel of energy.
Preferably, determine energy scale value and determine whether seismic channel is the abnormal road of son based on energy scale value
Step include: in (a) seismic channel in addition to described not working path from the plurality of seismic channel,
Select a seismic channel；B () calculates the seismic channel selected and excites the distance between position；(c) from institute
State the seismic channel in addition to described not working path and the abnormal big seismic channel of described energy in multiple seismic channel
In, determine and excite the distance of position at the seismic channel selected and to excite the first pre-of distance between position
Seismic channel in the range of Ding；D () calculates the meansigma methods of the energy value of the seismic channel determined in step (c)；
(e) the energy value of the seismic channel selected at the second preset range of meansigma methods calculated time, by select
Seismic channel is defined as the abnormal road of son；F () repeats step (a) to (e), until to the plurality of seismic channel
In all seismic channels in addition to described not working path all carried out the judgement in sub abnormal road.
Seismic prospecting single shot record exception road recognition methods according to embodiments of the invention described above, can avoid
The impact of the subjective factors of people.Additionally, when by software performing said method, labor can be alleviated
Power also improves production efficiency.
Accompanying drawing explanation
By the description below in conjunction with the accompanying drawings embodiment carried out, these and/or other aspect of the present invention and
Advantage will be made apparent from and it is more readily appreciated that wherein:
Fig. 1 is the seismic prospecting single shot record exception road identification illustrating the exemplary embodiment according to the present invention
The flow chart of method；
Fig. 2 is to illustrate that in single big gun section, energy value is the diagram of the seismic channel of 0；
Fig. 3 is to illustrate the diagram of the abnormal big seismic channel of energy in single big gun section；
Fig. 4 is the diagram illustrating and judging the abnormal road of son.
Detailed description of the invention
Being described in detail the embodiment of the present invention now, its example represents in the accompanying drawings, wherein, and phase
Same label represents same parts all the time.It is described embodiment below with reference to the accompanying drawings to explain this
Invention.
Fig. 1 is the seismic prospecting single shot record exception road identification illustrating the exemplary embodiment according to the present invention
The flow chart of method.
In step 110, receive the geological data of the multiple seismic channels produced by single-shot and every
The positional information of one seismic channel, the geological data of each of which seismic channel is by pre-fixed sample interval
Seismic amplitude.
As it is well known to the skilled in the art, single shot record is for excite in a precalculated position, and
Multiple positions receive this and excite the vibration caused.In other words, each receiving position corresponds to a seismic channel,
And the geological data of each seismic channel is the seismic amplitude sampled by pre-fixed sample interval.
In step 120, calculate the energy value of each seismic channel.Employing to the seismic amplitude of seismic channel
Root-mean-square formula calculates the energy value of seismic channel.
It is assumed that geological data includes n seismic amplitude, respectively a1、a2、……、an, then
The energy value in shake road is
In step 130, determine the not working path in the plurality of seismic channel.Here, can be 0 by energy value
And the seismic channel do not lost in actual production is defined as not working path.As in figure 2 it is shown, by A in Fig. 2
The part represented is that in single big gun section, energy value is the seismic channel of 0.
In step 140, determine in the seismic channel in addition to described not working path in the plurality of seismic channel
Energy the biggest abnormal seismic channel.Here, if in the plurality of seismic channel except described not working path it
The energy value of a certain seismic channel in outer seismic channel is more than in the energy value of its neighbouring seismic channel at least
The prearranged multiple (such as 10 times) of one energy value, then be defined as the abnormal big ground of energy by this seismic channel
Shake road.As it is shown on figure 3, the part represented by B in Fig. 3 is the abnormal big ground of energy in single big gun section
Shake road.
In step 150, in the seismic channel in addition to described not working path in the plurality of seismic channel
Each seismic channel, determine energy scale value and determine that whether seismic channel is that son is different based on energy scale value
Often road.
Here, the abnormal road of son can be determined as follows.
In (a) seismic channel in addition to described not working path from the plurality of seismic channel, select one
Seismic channel.
B () calculates the seismic channel selected and excites the distance between position.
(c) from the plurality of seismic channel except described not working path and described energy the biggest abnormal seismic channel
Outside seismic channel in, determine and excite the distance of position at the seismic channel selected and to excite between position
Seismic channel in first preset range of distance.
D () calculates the meansigma methods of the energy value of the seismic channel determined in step (c) as energy scale
Value.
(e) the energy value of seismic channel selected at energy scale value the second preset range time, by select
Seismic channel is defined as the abnormal road of son.
F () repeats step (a) to (e), until to not working except described in the plurality of seismic channel
All seismic channels outside road have all carried out the judgement in sub abnormal road.
As shown in Figure 4, if as seismic channel A1 is judged, calculating seismic channel A1 and excite position
The distance of O is 2km, the distance seismic channel at about 2km ± 200m determining with exciting position, it is assumed that
Determine that result is that seismic channel B1, C1, D1 meet above-mentioned distance condition.By seismic channel B1, C1, D1
The meansigma methods of energy value as the energy scale value of seismic channel A1, by this energy scale value and seismic channel
The energy value of A1 compares, when the energy value of seismic channel A1 exceedes the second predetermined model of energy scale value
When enclosing (such as, 0.1-10 times), seismic channel A1 will be confirmed as the abnormal road of son.
In step 160, export not working path and sub-exception road as final abnormal road.Selectively, may be used
Output eliminates not working path and the seismic channel in sub-exception road.
Seismic prospecting single shot record exception road recognition methods according to embodiments of the invention described above, can avoid
The impact of the subjective factors of people.Additionally, when by software performing said method, labor can be alleviated
Power also improves production efficiency.
Although having show and described some embodiments of the present invention, it will be understood by those skilled in the art that
Without departing from the principle of the present invention and the situation of spirit being limited its scope by claim and equivalent thereof
Under, these embodiments can be modified.
Claims (3)
1. a seismic prospecting single shot record exception road recognition methods, it is characterised in that comprise the steps:
Receive the geological data of multiple seismic channels produced by single-shot and each seismic channel
Positional information, the geological data of each of which seismic channel is the seismic amplitude by pre-fixed sample interval；
Calculate the energy value of each seismic channel；
Determine the not working path in the plurality of seismic channel；
Determine that the energy in the seismic channel in addition to described not working path in the plurality of seismic channel is abnormal big
Seismic channel；
For each earthquake in the seismic channel in addition to described not working path in the plurality of seismic channel
Road, determines energy scale value and determines whether seismic channel is the abnormal road of son based on energy scale value；
Export not working path and sub-exception road as final abnormal road,
Wherein, the step of the energy value calculating each seismic channel includes: enter the seismic amplitude of seismic channel
Row RMS amplitude calculates, and calculates the energy value of seismic channel,
Wherein it is determined that energy scale value determine that whether seismic channel is the abnormal road of son based on energy scale value
Step includes:
In (a) seismic channel in addition to described not working path from the plurality of seismic channel, select one
Seismic channel；
B () calculates the seismic channel selected and excites the distance between position；
(c) from the plurality of seismic channel except described not working path and described energy the biggest abnormal seismic channel
Outside seismic channel in, determine and excite the distance of position at the seismic channel selected and to excite between position
Seismic channel in first preset range of distance；
D () calculates the meansigma methods of the energy value of the seismic channel determined in step (c)；
E () is less than the 0.1 of the meansigma methods calculated or more than calculating at the energy value of the seismic channel selected
During 10 times of meansigma methods, the seismic channel of selection is defined as the abnormal road of son；
F () repeats step (a) to (e), until to not working except described in the plurality of seismic channel
All seismic channels outside road have all carried out the judgement in sub abnormal road.
Seismic prospecting single shot record exception road recognition methods the most according to claim 1, wherein, really
The step of the not working path in fixed the plurality of seismic channel includes: is 0 by energy value and does not has in actual production
The seismic channel in You Diu road is defined as not working path.
Seismic prospecting single shot record exception road recognition methods the most according to claim 1, wherein, really
The abnormal big earthquake of the energy in the seismic channel in addition to described not working path in fixed the plurality of seismic channel
The step in road includes:
Some seismic channel in the seismic channel in addition to described not working path in the plurality of seismic channel
Energy value more than seismic channel adjacent thereto energy value at least one energy value prearranged multiple time,
This seismic channel is defined as the abnormal big seismic channel of energy.
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| CN104459779B (en) * | 2014-12-09 | 2017-07-28 | 中国石油天然气集团公司 | A kind of method and apparatus of the automatic identification in Unusual Seismic road |
| CN104865601B (en) * | 2015-05-18 | 2017-08-25 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | The method for determining the type of the earthquake record gathered in seismic prospecting |
| CN109425894A (en) * | 2017-08-23 | 2019-03-05 | 中国石油化工股份有限公司 | A kind of seismic anomaly road detection method and device |
| CN107664778B (en) * | 2017-08-24 | 2019-11-08 | 中国石油天然气股份有限公司 | Method and device for determining seismic data quality |
| CN108181648B (en) * | 2017-11-23 | 2019-07-09 | 中国石油天然气集团公司 | The quality control method and device of continuous record aliased seismic acquisition data |
| CN107884826A (en) * | 2017-12-13 | 2018-04-06 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | The method of dead trace recognition methods and optimization seismic data process in geological data |
| CN111123356B (en) * | 2018-10-30 | 2022-07-12 | 中石化石油工程技术服务有限公司 | Abnormal track intelligent identification method based on first arrival information |
| CN111596357B (en) * | 2019-02-20 | 2023-11-28 | 中国石油天然气集团有限公司 | Method and device for analyzing working state of submarine acquisition node |
| CN109932748A (en) * | 2019-03-01 | 2019-06-25 | 中国石油天然气集团有限公司 | A kind of earth surface consistency vibration amplitude compensation processing method, device and storage medium |
| CN111308551B (en) * | 2020-03-12 | 2022-09-23 | 王美琪 | Distance radius inner shot number mean value standard evaluation method |
| CN114114391B (en) * | 2020-09-01 | 2023-08-22 | 中国石油天然气股份有限公司 | Method and device for identifying negative samples of seismic data |
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| US5265192A (en) * | 1990-09-20 | 1993-11-23 | Atlantic Richfield Company | Method for the automated editing of seismic traces using an adaptive network |
| GB0015974D0 (en) * | 2000-06-30 | 2000-08-23 | Geco As | Quality control of data |
| CN100349011C (en) * | 2005-06-03 | 2007-11-14 | 中国石油集团东方地球物理勘探有限责任公司 | Method for suppressing background noise not related to excitation source in seismic data enhancement |
| CN102193108B (en) * | 2010-03-19 | 2013-07-03 | 中国石油天然气集团公司 | Method for improving SNR (signal-to-noise ratio) of oil exploration data processing |
| CN102004264B (en) * | 2010-10-18 | 2015-09-23 | 中国石油化工股份有限公司 | A kind of earthquake-capturing data quality quantitative test and evaluation method |
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Effective date of registration: 20180208 Address after: 072751 Zhuozhou, Baoding, Fan Yang Road West, No. 189 Patentee after: BGP INC., CHINA NATIONAL PETROLEUM Corp. Address before: 610213 No. 1, No. 1, No. 1, Huayang Avenue, Huayang Town, Shuangliu County, Chengdu, Sichuan Patentee before: GEOPHYSICAL EXPLORATION COMPANY OF CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. |
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Effective date of registration: 20200918 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: BGP Inc., China National Petroleum Corp. Address before: 072751 Zhuozhou, Baoding, Fan Yang Road West, No. 189 Patentee before: BGP Inc., China National Petroleum Corp. |